Commit | Line | Data |
---|---|---|
a7e3ed1e | 1 | /* |
efc9f05d SE |
2 | * Per core/cpu state |
3 | * | |
4 | * Used to coordinate shared registers between HT threads or | |
5 | * among events on a single PMU. | |
a7e3ed1e | 6 | */ |
de0428a7 | 7 | |
c767a54b JP |
8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
9 | ||
de0428a7 KW |
10 | #include <linux/stddef.h> |
11 | #include <linux/types.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/slab.h> | |
69c60c88 | 14 | #include <linux/export.h> |
de0428a7 KW |
15 | |
16 | #include <asm/hardirq.h> | |
17 | #include <asm/apic.h> | |
18 | ||
19 | #include "perf_event.h" | |
a7e3ed1e | 20 | |
f22f54f4 | 21 | /* |
b622d644 | 22 | * Intel PerfMon, used on Core and later. |
f22f54f4 | 23 | */ |
ec75a716 | 24 | static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly = |
f22f54f4 | 25 | { |
c3b7cdf1 PE |
26 | [PERF_COUNT_HW_CPU_CYCLES] = 0x003c, |
27 | [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, | |
28 | [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e, | |
29 | [PERF_COUNT_HW_CACHE_MISSES] = 0x412e, | |
30 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, | |
31 | [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, | |
32 | [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, | |
33 | [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */ | |
f22f54f4 PZ |
34 | }; |
35 | ||
5c543e3c | 36 | static struct event_constraint intel_core_event_constraints[] __read_mostly = |
f22f54f4 PZ |
37 | { |
38 | INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ | |
39 | INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ | |
40 | INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ | |
41 | INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ | |
42 | INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ | |
43 | INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */ | |
44 | EVENT_CONSTRAINT_END | |
45 | }; | |
46 | ||
5c543e3c | 47 | static struct event_constraint intel_core2_event_constraints[] __read_mostly = |
f22f54f4 | 48 | { |
b622d644 PZ |
49 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
50 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 51 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
52 | INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */ |
53 | INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ | |
54 | INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ | |
55 | INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ | |
56 | INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ | |
57 | INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */ | |
58 | INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ | |
59 | INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */ | |
b622d644 | 60 | INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */ |
f22f54f4 PZ |
61 | INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */ |
62 | EVENT_CONSTRAINT_END | |
63 | }; | |
64 | ||
5c543e3c | 65 | static struct event_constraint intel_nehalem_event_constraints[] __read_mostly = |
f22f54f4 | 66 | { |
b622d644 PZ |
67 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
68 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 69 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
70 | INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */ |
71 | INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */ | |
72 | INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */ | |
73 | INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */ | |
74 | INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */ | |
75 | INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */ | |
76 | INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ | |
77 | INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ | |
78 | EVENT_CONSTRAINT_END | |
79 | }; | |
80 | ||
5c543e3c | 81 | static struct extra_reg intel_nehalem_extra_regs[] __read_mostly = |
a7e3ed1e | 82 | { |
efc9f05d | 83 | INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), |
a7e3ed1e AK |
84 | EVENT_EXTRA_END |
85 | }; | |
86 | ||
5c543e3c | 87 | static struct event_constraint intel_westmere_event_constraints[] __read_mostly = |
f22f54f4 | 88 | { |
b622d644 PZ |
89 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
90 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 91 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
92 | INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ |
93 | INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */ | |
94 | INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ | |
d1100770 | 95 | INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */ |
f22f54f4 PZ |
96 | EVENT_CONSTRAINT_END |
97 | }; | |
98 | ||
5c543e3c | 99 | static struct event_constraint intel_snb_event_constraints[] __read_mostly = |
b06b3d49 LM |
100 | { |
101 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
102 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 103 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
b06b3d49 | 104 | INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ |
b06b3d49 LM |
105 | INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ |
106 | INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ | |
107 | EVENT_CONSTRAINT_END | |
108 | }; | |
109 | ||
69943182 SE |
110 | static struct event_constraint intel_ivb_event_constraints[] __read_mostly = |
111 | { | |
112 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
113 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
114 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ | |
115 | INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */ | |
116 | INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */ | |
117 | INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */ | |
118 | INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */ | |
119 | INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */ | |
120 | INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */ | |
121 | INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ | |
122 | INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ | |
123 | INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ | |
124 | INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ | |
125 | INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ | |
126 | INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ | |
127 | INTEL_EVENT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ | |
128 | EVENT_CONSTRAINT_END | |
129 | }; | |
130 | ||
5c543e3c | 131 | static struct extra_reg intel_westmere_extra_regs[] __read_mostly = |
a7e3ed1e | 132 | { |
efc9f05d SE |
133 | INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), |
134 | INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1), | |
a7e3ed1e AK |
135 | EVENT_EXTRA_END |
136 | }; | |
137 | ||
0af3ac1f AK |
138 | static struct event_constraint intel_v1_event_constraints[] __read_mostly = |
139 | { | |
140 | EVENT_CONSTRAINT_END | |
141 | }; | |
142 | ||
5c543e3c | 143 | static struct event_constraint intel_gen_event_constraints[] __read_mostly = |
f22f54f4 | 144 | { |
b622d644 PZ |
145 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
146 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 147 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
148 | EVENT_CONSTRAINT_END |
149 | }; | |
150 | ||
ee89cbc2 SE |
151 | static struct extra_reg intel_snb_extra_regs[] __read_mostly = { |
152 | INTEL_EVENT_EXTRA_REG(0xb7, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0), | |
153 | INTEL_EVENT_EXTRA_REG(0xbb, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1), | |
154 | EVENT_EXTRA_END | |
155 | }; | |
156 | ||
f22f54f4 PZ |
157 | static u64 intel_pmu_event_map(int hw_event) |
158 | { | |
159 | return intel_perfmon_event_map[hw_event]; | |
160 | } | |
161 | ||
74e6543f YZ |
162 | #define SNB_DMND_DATA_RD (1ULL << 0) |
163 | #define SNB_DMND_RFO (1ULL << 1) | |
164 | #define SNB_DMND_IFETCH (1ULL << 2) | |
165 | #define SNB_DMND_WB (1ULL << 3) | |
166 | #define SNB_PF_DATA_RD (1ULL << 4) | |
167 | #define SNB_PF_RFO (1ULL << 5) | |
168 | #define SNB_PF_IFETCH (1ULL << 6) | |
169 | #define SNB_LLC_DATA_RD (1ULL << 7) | |
170 | #define SNB_LLC_RFO (1ULL << 8) | |
171 | #define SNB_LLC_IFETCH (1ULL << 9) | |
172 | #define SNB_BUS_LOCKS (1ULL << 10) | |
173 | #define SNB_STRM_ST (1ULL << 11) | |
174 | #define SNB_OTHER (1ULL << 15) | |
175 | #define SNB_RESP_ANY (1ULL << 16) | |
176 | #define SNB_NO_SUPP (1ULL << 17) | |
177 | #define SNB_LLC_HITM (1ULL << 18) | |
178 | #define SNB_LLC_HITE (1ULL << 19) | |
179 | #define SNB_LLC_HITS (1ULL << 20) | |
180 | #define SNB_LLC_HITF (1ULL << 21) | |
181 | #define SNB_LOCAL (1ULL << 22) | |
182 | #define SNB_REMOTE (0xffULL << 23) | |
183 | #define SNB_SNP_NONE (1ULL << 31) | |
184 | #define SNB_SNP_NOT_NEEDED (1ULL << 32) | |
185 | #define SNB_SNP_MISS (1ULL << 33) | |
186 | #define SNB_NO_FWD (1ULL << 34) | |
187 | #define SNB_SNP_FWD (1ULL << 35) | |
188 | #define SNB_HITM (1ULL << 36) | |
189 | #define SNB_NON_DRAM (1ULL << 37) | |
190 | ||
191 | #define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD) | |
192 | #define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO) | |
193 | #define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) | |
194 | ||
195 | #define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \ | |
196 | SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \ | |
197 | SNB_HITM) | |
198 | ||
199 | #define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY) | |
200 | #define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY) | |
201 | ||
202 | #define SNB_L3_ACCESS SNB_RESP_ANY | |
203 | #define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM) | |
204 | ||
205 | static __initconst const u64 snb_hw_cache_extra_regs | |
206 | [PERF_COUNT_HW_CACHE_MAX] | |
207 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
208 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
209 | { | |
210 | [ C(LL ) ] = { | |
211 | [ C(OP_READ) ] = { | |
212 | [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS, | |
213 | [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS, | |
214 | }, | |
215 | [ C(OP_WRITE) ] = { | |
216 | [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS, | |
217 | [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS, | |
218 | }, | |
219 | [ C(OP_PREFETCH) ] = { | |
220 | [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS, | |
221 | [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS, | |
222 | }, | |
223 | }, | |
224 | [ C(NODE) ] = { | |
225 | [ C(OP_READ) ] = { | |
226 | [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY, | |
227 | [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE, | |
228 | }, | |
229 | [ C(OP_WRITE) ] = { | |
230 | [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY, | |
231 | [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE, | |
232 | }, | |
233 | [ C(OP_PREFETCH) ] = { | |
234 | [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY, | |
235 | [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE, | |
236 | }, | |
237 | }, | |
238 | }; | |
239 | ||
b06b3d49 LM |
240 | static __initconst const u64 snb_hw_cache_event_ids |
241 | [PERF_COUNT_HW_CACHE_MAX] | |
242 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
243 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
244 | { | |
245 | [ C(L1D) ] = { | |
246 | [ C(OP_READ) ] = { | |
247 | [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS */ | |
248 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPLACEMENT */ | |
249 | }, | |
250 | [ C(OP_WRITE) ] = { | |
251 | [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES */ | |
252 | [ C(RESULT_MISS) ] = 0x0851, /* L1D.ALL_M_REPLACEMENT */ | |
253 | }, | |
254 | [ C(OP_PREFETCH) ] = { | |
255 | [ C(RESULT_ACCESS) ] = 0x0, | |
256 | [ C(RESULT_MISS) ] = 0x024e, /* HW_PRE_REQ.DL1_MISS */ | |
257 | }, | |
258 | }, | |
259 | [ C(L1I ) ] = { | |
260 | [ C(OP_READ) ] = { | |
261 | [ C(RESULT_ACCESS) ] = 0x0, | |
262 | [ C(RESULT_MISS) ] = 0x0280, /* ICACHE.MISSES */ | |
263 | }, | |
264 | [ C(OP_WRITE) ] = { | |
265 | [ C(RESULT_ACCESS) ] = -1, | |
266 | [ C(RESULT_MISS) ] = -1, | |
267 | }, | |
268 | [ C(OP_PREFETCH) ] = { | |
269 | [ C(RESULT_ACCESS) ] = 0x0, | |
270 | [ C(RESULT_MISS) ] = 0x0, | |
271 | }, | |
272 | }, | |
273 | [ C(LL ) ] = { | |
b06b3d49 | 274 | [ C(OP_READ) ] = { |
63b6a675 | 275 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
b06b3d49 | 276 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
277 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ |
278 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
279 | }, |
280 | [ C(OP_WRITE) ] = { | |
63b6a675 | 281 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
b06b3d49 | 282 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
283 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ |
284 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
285 | }, |
286 | [ C(OP_PREFETCH) ] = { | |
63b6a675 | 287 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
b06b3d49 | 288 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
289 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ |
290 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
291 | }, |
292 | }, | |
293 | [ C(DTLB) ] = { | |
294 | [ C(OP_READ) ] = { | |
295 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */ | |
296 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */ | |
297 | }, | |
298 | [ C(OP_WRITE) ] = { | |
299 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */ | |
300 | [ C(RESULT_MISS) ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ | |
301 | }, | |
302 | [ C(OP_PREFETCH) ] = { | |
303 | [ C(RESULT_ACCESS) ] = 0x0, | |
304 | [ C(RESULT_MISS) ] = 0x0, | |
305 | }, | |
306 | }, | |
307 | [ C(ITLB) ] = { | |
308 | [ C(OP_READ) ] = { | |
309 | [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT */ | |
310 | [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK */ | |
311 | }, | |
312 | [ C(OP_WRITE) ] = { | |
313 | [ C(RESULT_ACCESS) ] = -1, | |
314 | [ C(RESULT_MISS) ] = -1, | |
315 | }, | |
316 | [ C(OP_PREFETCH) ] = { | |
317 | [ C(RESULT_ACCESS) ] = -1, | |
318 | [ C(RESULT_MISS) ] = -1, | |
319 | }, | |
320 | }, | |
321 | [ C(BPU ) ] = { | |
322 | [ C(OP_READ) ] = { | |
323 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
324 | [ C(RESULT_MISS) ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */ | |
325 | }, | |
326 | [ C(OP_WRITE) ] = { | |
327 | [ C(RESULT_ACCESS) ] = -1, | |
328 | [ C(RESULT_MISS) ] = -1, | |
329 | }, | |
330 | [ C(OP_PREFETCH) ] = { | |
331 | [ C(RESULT_ACCESS) ] = -1, | |
332 | [ C(RESULT_MISS) ] = -1, | |
333 | }, | |
334 | }, | |
89d6c0b5 PZ |
335 | [ C(NODE) ] = { |
336 | [ C(OP_READ) ] = { | |
74e6543f YZ |
337 | [ C(RESULT_ACCESS) ] = 0x01b7, |
338 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
339 | }, |
340 | [ C(OP_WRITE) ] = { | |
74e6543f YZ |
341 | [ C(RESULT_ACCESS) ] = 0x01b7, |
342 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
343 | }, |
344 | [ C(OP_PREFETCH) ] = { | |
74e6543f YZ |
345 | [ C(RESULT_ACCESS) ] = 0x01b7, |
346 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
347 | }, |
348 | }, | |
349 | ||
b06b3d49 LM |
350 | }; |
351 | ||
caaa8be3 | 352 | static __initconst const u64 westmere_hw_cache_event_ids |
f22f54f4 PZ |
353 | [PERF_COUNT_HW_CACHE_MAX] |
354 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
355 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
356 | { | |
357 | [ C(L1D) ] = { | |
358 | [ C(OP_READ) ] = { | |
359 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ | |
360 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ | |
361 | }, | |
362 | [ C(OP_WRITE) ] = { | |
363 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ | |
364 | [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ | |
365 | }, | |
366 | [ C(OP_PREFETCH) ] = { | |
367 | [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ | |
368 | [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ | |
369 | }, | |
370 | }, | |
371 | [ C(L1I ) ] = { | |
372 | [ C(OP_READ) ] = { | |
373 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
374 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
375 | }, | |
376 | [ C(OP_WRITE) ] = { | |
377 | [ C(RESULT_ACCESS) ] = -1, | |
378 | [ C(RESULT_MISS) ] = -1, | |
379 | }, | |
380 | [ C(OP_PREFETCH) ] = { | |
381 | [ C(RESULT_ACCESS) ] = 0x0, | |
382 | [ C(RESULT_MISS) ] = 0x0, | |
383 | }, | |
384 | }, | |
385 | [ C(LL ) ] = { | |
386 | [ C(OP_READ) ] = { | |
63b6a675 | 387 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
e994d7d2 | 388 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
389 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ |
390 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 | 391 | }, |
e994d7d2 AK |
392 | /* |
393 | * Use RFO, not WRITEBACK, because a write miss would typically occur | |
394 | * on RFO. | |
395 | */ | |
f22f54f4 | 396 | [ C(OP_WRITE) ] = { |
63b6a675 PZ |
397 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
398 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
399 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ | |
e994d7d2 | 400 | [ C(RESULT_MISS) ] = 0x01b7, |
f22f54f4 PZ |
401 | }, |
402 | [ C(OP_PREFETCH) ] = { | |
63b6a675 | 403 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
e994d7d2 | 404 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
405 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ |
406 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
407 | }, |
408 | }, | |
409 | [ C(DTLB) ] = { | |
410 | [ C(OP_READ) ] = { | |
411 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ | |
412 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ | |
413 | }, | |
414 | [ C(OP_WRITE) ] = { | |
415 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ | |
416 | [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ | |
417 | }, | |
418 | [ C(OP_PREFETCH) ] = { | |
419 | [ C(RESULT_ACCESS) ] = 0x0, | |
420 | [ C(RESULT_MISS) ] = 0x0, | |
421 | }, | |
422 | }, | |
423 | [ C(ITLB) ] = { | |
424 | [ C(OP_READ) ] = { | |
425 | [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ | |
426 | [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */ | |
427 | }, | |
428 | [ C(OP_WRITE) ] = { | |
429 | [ C(RESULT_ACCESS) ] = -1, | |
430 | [ C(RESULT_MISS) ] = -1, | |
431 | }, | |
432 | [ C(OP_PREFETCH) ] = { | |
433 | [ C(RESULT_ACCESS) ] = -1, | |
434 | [ C(RESULT_MISS) ] = -1, | |
435 | }, | |
436 | }, | |
437 | [ C(BPU ) ] = { | |
438 | [ C(OP_READ) ] = { | |
439 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
440 | [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ | |
441 | }, | |
442 | [ C(OP_WRITE) ] = { | |
443 | [ C(RESULT_ACCESS) ] = -1, | |
444 | [ C(RESULT_MISS) ] = -1, | |
445 | }, | |
446 | [ C(OP_PREFETCH) ] = { | |
447 | [ C(RESULT_ACCESS) ] = -1, | |
448 | [ C(RESULT_MISS) ] = -1, | |
449 | }, | |
450 | }, | |
89d6c0b5 PZ |
451 | [ C(NODE) ] = { |
452 | [ C(OP_READ) ] = { | |
453 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
454 | [ C(RESULT_MISS) ] = 0x01b7, | |
455 | }, | |
456 | [ C(OP_WRITE) ] = { | |
457 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
458 | [ C(RESULT_MISS) ] = 0x01b7, | |
459 | }, | |
460 | [ C(OP_PREFETCH) ] = { | |
461 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
462 | [ C(RESULT_MISS) ] = 0x01b7, | |
463 | }, | |
464 | }, | |
f22f54f4 PZ |
465 | }; |
466 | ||
e994d7d2 | 467 | /* |
63b6a675 PZ |
468 | * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits; |
469 | * See IA32 SDM Vol 3B 30.6.1.3 | |
e994d7d2 AK |
470 | */ |
471 | ||
63b6a675 PZ |
472 | #define NHM_DMND_DATA_RD (1 << 0) |
473 | #define NHM_DMND_RFO (1 << 1) | |
474 | #define NHM_DMND_IFETCH (1 << 2) | |
475 | #define NHM_DMND_WB (1 << 3) | |
476 | #define NHM_PF_DATA_RD (1 << 4) | |
477 | #define NHM_PF_DATA_RFO (1 << 5) | |
478 | #define NHM_PF_IFETCH (1 << 6) | |
479 | #define NHM_OFFCORE_OTHER (1 << 7) | |
480 | #define NHM_UNCORE_HIT (1 << 8) | |
481 | #define NHM_OTHER_CORE_HIT_SNP (1 << 9) | |
482 | #define NHM_OTHER_CORE_HITM (1 << 10) | |
483 | /* reserved */ | |
484 | #define NHM_REMOTE_CACHE_FWD (1 << 12) | |
485 | #define NHM_REMOTE_DRAM (1 << 13) | |
486 | #define NHM_LOCAL_DRAM (1 << 14) | |
487 | #define NHM_NON_DRAM (1 << 15) | |
488 | ||
87e24f4b PZ |
489 | #define NHM_LOCAL (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD) |
490 | #define NHM_REMOTE (NHM_REMOTE_DRAM) | |
63b6a675 PZ |
491 | |
492 | #define NHM_DMND_READ (NHM_DMND_DATA_RD) | |
493 | #define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB) | |
494 | #define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO) | |
495 | ||
496 | #define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM) | |
87e24f4b | 497 | #define NHM_L3_MISS (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD) |
63b6a675 | 498 | #define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS) |
e994d7d2 AK |
499 | |
500 | static __initconst const u64 nehalem_hw_cache_extra_regs | |
501 | [PERF_COUNT_HW_CACHE_MAX] | |
502 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
503 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
504 | { | |
505 | [ C(LL ) ] = { | |
506 | [ C(OP_READ) ] = { | |
63b6a675 PZ |
507 | [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS, |
508 | [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS, | |
e994d7d2 AK |
509 | }, |
510 | [ C(OP_WRITE) ] = { | |
63b6a675 PZ |
511 | [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS, |
512 | [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS, | |
e994d7d2 AK |
513 | }, |
514 | [ C(OP_PREFETCH) ] = { | |
63b6a675 PZ |
515 | [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS, |
516 | [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS, | |
e994d7d2 | 517 | }, |
89d6c0b5 PZ |
518 | }, |
519 | [ C(NODE) ] = { | |
520 | [ C(OP_READ) ] = { | |
87e24f4b PZ |
521 | [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE, |
522 | [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_REMOTE, | |
89d6c0b5 PZ |
523 | }, |
524 | [ C(OP_WRITE) ] = { | |
87e24f4b PZ |
525 | [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE, |
526 | [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_REMOTE, | |
89d6c0b5 PZ |
527 | }, |
528 | [ C(OP_PREFETCH) ] = { | |
87e24f4b PZ |
529 | [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE, |
530 | [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_REMOTE, | |
89d6c0b5 PZ |
531 | }, |
532 | }, | |
e994d7d2 AK |
533 | }; |
534 | ||
caaa8be3 | 535 | static __initconst const u64 nehalem_hw_cache_event_ids |
f22f54f4 PZ |
536 | [PERF_COUNT_HW_CACHE_MAX] |
537 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
538 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
539 | { | |
540 | [ C(L1D) ] = { | |
541 | [ C(OP_READ) ] = { | |
f4929bd3 PZ |
542 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ |
543 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ | |
f22f54f4 PZ |
544 | }, |
545 | [ C(OP_WRITE) ] = { | |
f4929bd3 PZ |
546 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ |
547 | [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ | |
f22f54f4 PZ |
548 | }, |
549 | [ C(OP_PREFETCH) ] = { | |
550 | [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ | |
551 | [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ | |
552 | }, | |
553 | }, | |
554 | [ C(L1I ) ] = { | |
555 | [ C(OP_READ) ] = { | |
556 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
557 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
558 | }, | |
559 | [ C(OP_WRITE) ] = { | |
560 | [ C(RESULT_ACCESS) ] = -1, | |
561 | [ C(RESULT_MISS) ] = -1, | |
562 | }, | |
563 | [ C(OP_PREFETCH) ] = { | |
564 | [ C(RESULT_ACCESS) ] = 0x0, | |
565 | [ C(RESULT_MISS) ] = 0x0, | |
566 | }, | |
567 | }, | |
568 | [ C(LL ) ] = { | |
569 | [ C(OP_READ) ] = { | |
e994d7d2 AK |
570 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
571 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
572 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ | |
573 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 | 574 | }, |
e994d7d2 AK |
575 | /* |
576 | * Use RFO, not WRITEBACK, because a write miss would typically occur | |
577 | * on RFO. | |
578 | */ | |
f22f54f4 | 579 | [ C(OP_WRITE) ] = { |
e994d7d2 AK |
580 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
581 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
582 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ | |
583 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
584 | }, |
585 | [ C(OP_PREFETCH) ] = { | |
e994d7d2 AK |
586 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
587 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
588 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ | |
589 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
590 | }, |
591 | }, | |
592 | [ C(DTLB) ] = { | |
593 | [ C(OP_READ) ] = { | |
594 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ | |
595 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ | |
596 | }, | |
597 | [ C(OP_WRITE) ] = { | |
598 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ | |
599 | [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ | |
600 | }, | |
601 | [ C(OP_PREFETCH) ] = { | |
602 | [ C(RESULT_ACCESS) ] = 0x0, | |
603 | [ C(RESULT_MISS) ] = 0x0, | |
604 | }, | |
605 | }, | |
606 | [ C(ITLB) ] = { | |
607 | [ C(OP_READ) ] = { | |
608 | [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ | |
609 | [ C(RESULT_MISS) ] = 0x20c8, /* ITLB_MISS_RETIRED */ | |
610 | }, | |
611 | [ C(OP_WRITE) ] = { | |
612 | [ C(RESULT_ACCESS) ] = -1, | |
613 | [ C(RESULT_MISS) ] = -1, | |
614 | }, | |
615 | [ C(OP_PREFETCH) ] = { | |
616 | [ C(RESULT_ACCESS) ] = -1, | |
617 | [ C(RESULT_MISS) ] = -1, | |
618 | }, | |
619 | }, | |
620 | [ C(BPU ) ] = { | |
621 | [ C(OP_READ) ] = { | |
622 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
623 | [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ | |
624 | }, | |
625 | [ C(OP_WRITE) ] = { | |
626 | [ C(RESULT_ACCESS) ] = -1, | |
627 | [ C(RESULT_MISS) ] = -1, | |
628 | }, | |
629 | [ C(OP_PREFETCH) ] = { | |
630 | [ C(RESULT_ACCESS) ] = -1, | |
631 | [ C(RESULT_MISS) ] = -1, | |
632 | }, | |
633 | }, | |
89d6c0b5 PZ |
634 | [ C(NODE) ] = { |
635 | [ C(OP_READ) ] = { | |
636 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
637 | [ C(RESULT_MISS) ] = 0x01b7, | |
638 | }, | |
639 | [ C(OP_WRITE) ] = { | |
640 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
641 | [ C(RESULT_MISS) ] = 0x01b7, | |
642 | }, | |
643 | [ C(OP_PREFETCH) ] = { | |
644 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
645 | [ C(RESULT_MISS) ] = 0x01b7, | |
646 | }, | |
647 | }, | |
f22f54f4 PZ |
648 | }; |
649 | ||
caaa8be3 | 650 | static __initconst const u64 core2_hw_cache_event_ids |
f22f54f4 PZ |
651 | [PERF_COUNT_HW_CACHE_MAX] |
652 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
653 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
654 | { | |
655 | [ C(L1D) ] = { | |
656 | [ C(OP_READ) ] = { | |
657 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */ | |
658 | [ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */ | |
659 | }, | |
660 | [ C(OP_WRITE) ] = { | |
661 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */ | |
662 | [ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */ | |
663 | }, | |
664 | [ C(OP_PREFETCH) ] = { | |
665 | [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS */ | |
666 | [ C(RESULT_MISS) ] = 0, | |
667 | }, | |
668 | }, | |
669 | [ C(L1I ) ] = { | |
670 | [ C(OP_READ) ] = { | |
671 | [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS */ | |
672 | [ C(RESULT_MISS) ] = 0x0081, /* L1I.MISSES */ | |
673 | }, | |
674 | [ C(OP_WRITE) ] = { | |
675 | [ C(RESULT_ACCESS) ] = -1, | |
676 | [ C(RESULT_MISS) ] = -1, | |
677 | }, | |
678 | [ C(OP_PREFETCH) ] = { | |
679 | [ C(RESULT_ACCESS) ] = 0, | |
680 | [ C(RESULT_MISS) ] = 0, | |
681 | }, | |
682 | }, | |
683 | [ C(LL ) ] = { | |
684 | [ C(OP_READ) ] = { | |
685 | [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ | |
686 | [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ | |
687 | }, | |
688 | [ C(OP_WRITE) ] = { | |
689 | [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ | |
690 | [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ | |
691 | }, | |
692 | [ C(OP_PREFETCH) ] = { | |
693 | [ C(RESULT_ACCESS) ] = 0, | |
694 | [ C(RESULT_MISS) ] = 0, | |
695 | }, | |
696 | }, | |
697 | [ C(DTLB) ] = { | |
698 | [ C(OP_READ) ] = { | |
699 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ | |
700 | [ C(RESULT_MISS) ] = 0x0208, /* DTLB_MISSES.MISS_LD */ | |
701 | }, | |
702 | [ C(OP_WRITE) ] = { | |
703 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ | |
704 | [ C(RESULT_MISS) ] = 0x0808, /* DTLB_MISSES.MISS_ST */ | |
705 | }, | |
706 | [ C(OP_PREFETCH) ] = { | |
707 | [ C(RESULT_ACCESS) ] = 0, | |
708 | [ C(RESULT_MISS) ] = 0, | |
709 | }, | |
710 | }, | |
711 | [ C(ITLB) ] = { | |
712 | [ C(OP_READ) ] = { | |
713 | [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
714 | [ C(RESULT_MISS) ] = 0x1282, /* ITLBMISSES */ | |
715 | }, | |
716 | [ C(OP_WRITE) ] = { | |
717 | [ C(RESULT_ACCESS) ] = -1, | |
718 | [ C(RESULT_MISS) ] = -1, | |
719 | }, | |
720 | [ C(OP_PREFETCH) ] = { | |
721 | [ C(RESULT_ACCESS) ] = -1, | |
722 | [ C(RESULT_MISS) ] = -1, | |
723 | }, | |
724 | }, | |
725 | [ C(BPU ) ] = { | |
726 | [ C(OP_READ) ] = { | |
727 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ | |
728 | [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ | |
729 | }, | |
730 | [ C(OP_WRITE) ] = { | |
731 | [ C(RESULT_ACCESS) ] = -1, | |
732 | [ C(RESULT_MISS) ] = -1, | |
733 | }, | |
734 | [ C(OP_PREFETCH) ] = { | |
735 | [ C(RESULT_ACCESS) ] = -1, | |
736 | [ C(RESULT_MISS) ] = -1, | |
737 | }, | |
738 | }, | |
739 | }; | |
740 | ||
caaa8be3 | 741 | static __initconst const u64 atom_hw_cache_event_ids |
f22f54f4 PZ |
742 | [PERF_COUNT_HW_CACHE_MAX] |
743 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
744 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
745 | { | |
746 | [ C(L1D) ] = { | |
747 | [ C(OP_READ) ] = { | |
748 | [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD */ | |
749 | [ C(RESULT_MISS) ] = 0, | |
750 | }, | |
751 | [ C(OP_WRITE) ] = { | |
752 | [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST */ | |
753 | [ C(RESULT_MISS) ] = 0, | |
754 | }, | |
755 | [ C(OP_PREFETCH) ] = { | |
756 | [ C(RESULT_ACCESS) ] = 0x0, | |
757 | [ C(RESULT_MISS) ] = 0, | |
758 | }, | |
759 | }, | |
760 | [ C(L1I ) ] = { | |
761 | [ C(OP_READ) ] = { | |
762 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
763 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
764 | }, | |
765 | [ C(OP_WRITE) ] = { | |
766 | [ C(RESULT_ACCESS) ] = -1, | |
767 | [ C(RESULT_MISS) ] = -1, | |
768 | }, | |
769 | [ C(OP_PREFETCH) ] = { | |
770 | [ C(RESULT_ACCESS) ] = 0, | |
771 | [ C(RESULT_MISS) ] = 0, | |
772 | }, | |
773 | }, | |
774 | [ C(LL ) ] = { | |
775 | [ C(OP_READ) ] = { | |
776 | [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ | |
777 | [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ | |
778 | }, | |
779 | [ C(OP_WRITE) ] = { | |
780 | [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ | |
781 | [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ | |
782 | }, | |
783 | [ C(OP_PREFETCH) ] = { | |
784 | [ C(RESULT_ACCESS) ] = 0, | |
785 | [ C(RESULT_MISS) ] = 0, | |
786 | }, | |
787 | }, | |
788 | [ C(DTLB) ] = { | |
789 | [ C(OP_READ) ] = { | |
790 | [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI (alias) */ | |
791 | [ C(RESULT_MISS) ] = 0x0508, /* DTLB_MISSES.MISS_LD */ | |
792 | }, | |
793 | [ C(OP_WRITE) ] = { | |
794 | [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI (alias) */ | |
795 | [ C(RESULT_MISS) ] = 0x0608, /* DTLB_MISSES.MISS_ST */ | |
796 | }, | |
797 | [ C(OP_PREFETCH) ] = { | |
798 | [ C(RESULT_ACCESS) ] = 0, | |
799 | [ C(RESULT_MISS) ] = 0, | |
800 | }, | |
801 | }, | |
802 | [ C(ITLB) ] = { | |
803 | [ C(OP_READ) ] = { | |
804 | [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
805 | [ C(RESULT_MISS) ] = 0x0282, /* ITLB.MISSES */ | |
806 | }, | |
807 | [ C(OP_WRITE) ] = { | |
808 | [ C(RESULT_ACCESS) ] = -1, | |
809 | [ C(RESULT_MISS) ] = -1, | |
810 | }, | |
811 | [ C(OP_PREFETCH) ] = { | |
812 | [ C(RESULT_ACCESS) ] = -1, | |
813 | [ C(RESULT_MISS) ] = -1, | |
814 | }, | |
815 | }, | |
816 | [ C(BPU ) ] = { | |
817 | [ C(OP_READ) ] = { | |
818 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ | |
819 | [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ | |
820 | }, | |
821 | [ C(OP_WRITE) ] = { | |
822 | [ C(RESULT_ACCESS) ] = -1, | |
823 | [ C(RESULT_MISS) ] = -1, | |
824 | }, | |
825 | [ C(OP_PREFETCH) ] = { | |
826 | [ C(RESULT_ACCESS) ] = -1, | |
827 | [ C(RESULT_MISS) ] = -1, | |
828 | }, | |
829 | }, | |
830 | }; | |
831 | ||
60ce0fbd SE |
832 | static inline bool intel_pmu_needs_lbr_smpl(struct perf_event *event) |
833 | { | |
834 | /* user explicitly requested branch sampling */ | |
835 | if (has_branch_stack(event)) | |
836 | return true; | |
837 | ||
838 | /* implicit branch sampling to correct PEBS skid */ | |
839 | if (x86_pmu.intel_cap.pebs_trap && event->attr.precise_ip > 1) | |
840 | return true; | |
841 | ||
842 | return false; | |
843 | } | |
844 | ||
f22f54f4 PZ |
845 | static void intel_pmu_disable_all(void) |
846 | { | |
847 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); | |
848 | ||
849 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); | |
850 | ||
15c7ad51 | 851 | if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) |
f22f54f4 | 852 | intel_pmu_disable_bts(); |
ca037701 PZ |
853 | |
854 | intel_pmu_pebs_disable_all(); | |
caff2bef | 855 | intel_pmu_lbr_disable_all(); |
f22f54f4 PZ |
856 | } |
857 | ||
11164cd4 | 858 | static void intel_pmu_enable_all(int added) |
f22f54f4 PZ |
859 | { |
860 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); | |
861 | ||
d329527e PZ |
862 | intel_pmu_pebs_enable_all(); |
863 | intel_pmu_lbr_enable_all(); | |
144d31e6 GN |
864 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, |
865 | x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask); | |
f22f54f4 | 866 | |
15c7ad51 | 867 | if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { |
f22f54f4 | 868 | struct perf_event *event = |
15c7ad51 | 869 | cpuc->events[INTEL_PMC_IDX_FIXED_BTS]; |
f22f54f4 PZ |
870 | |
871 | if (WARN_ON_ONCE(!event)) | |
872 | return; | |
873 | ||
874 | intel_pmu_enable_bts(event->hw.config); | |
875 | } | |
876 | } | |
877 | ||
11164cd4 PZ |
878 | /* |
879 | * Workaround for: | |
880 | * Intel Errata AAK100 (model 26) | |
881 | * Intel Errata AAP53 (model 30) | |
40b91cd1 | 882 | * Intel Errata BD53 (model 44) |
11164cd4 | 883 | * |
351af072 ZY |
884 | * The official story: |
885 | * These chips need to be 'reset' when adding counters by programming the | |
886 | * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either | |
887 | * in sequence on the same PMC or on different PMCs. | |
888 | * | |
889 | * In practise it appears some of these events do in fact count, and | |
890 | * we need to programm all 4 events. | |
11164cd4 | 891 | */ |
351af072 | 892 | static void intel_pmu_nhm_workaround(void) |
11164cd4 | 893 | { |
351af072 ZY |
894 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
895 | static const unsigned long nhm_magic[4] = { | |
896 | 0x4300B5, | |
897 | 0x4300D2, | |
898 | 0x4300B1, | |
899 | 0x4300B1 | |
900 | }; | |
901 | struct perf_event *event; | |
902 | int i; | |
11164cd4 | 903 | |
351af072 ZY |
904 | /* |
905 | * The Errata requires below steps: | |
906 | * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL; | |
907 | * 2) Configure 4 PERFEVTSELx with the magic events and clear | |
908 | * the corresponding PMCx; | |
909 | * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL; | |
910 | * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL; | |
911 | * 5) Clear 4 pairs of ERFEVTSELx and PMCx; | |
912 | */ | |
11164cd4 | 913 | |
351af072 ZY |
914 | /* |
915 | * The real steps we choose are a little different from above. | |
916 | * A) To reduce MSR operations, we don't run step 1) as they | |
917 | * are already cleared before this function is called; | |
918 | * B) Call x86_perf_event_update to save PMCx before configuring | |
919 | * PERFEVTSELx with magic number; | |
920 | * C) With step 5), we do clear only when the PERFEVTSELx is | |
921 | * not used currently. | |
922 | * D) Call x86_perf_event_set_period to restore PMCx; | |
923 | */ | |
11164cd4 | 924 | |
351af072 ZY |
925 | /* We always operate 4 pairs of PERF Counters */ |
926 | for (i = 0; i < 4; i++) { | |
927 | event = cpuc->events[i]; | |
928 | if (event) | |
929 | x86_perf_event_update(event); | |
930 | } | |
11164cd4 | 931 | |
351af072 ZY |
932 | for (i = 0; i < 4; i++) { |
933 | wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]); | |
934 | wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0); | |
935 | } | |
936 | ||
937 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf); | |
938 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); | |
11164cd4 | 939 | |
351af072 ZY |
940 | for (i = 0; i < 4; i++) { |
941 | event = cpuc->events[i]; | |
942 | ||
943 | if (event) { | |
944 | x86_perf_event_set_period(event); | |
31fa58af | 945 | __x86_pmu_enable_event(&event->hw, |
351af072 ZY |
946 | ARCH_PERFMON_EVENTSEL_ENABLE); |
947 | } else | |
948 | wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0); | |
11164cd4 | 949 | } |
351af072 ZY |
950 | } |
951 | ||
952 | static void intel_pmu_nhm_enable_all(int added) | |
953 | { | |
954 | if (added) | |
955 | intel_pmu_nhm_workaround(); | |
11164cd4 PZ |
956 | intel_pmu_enable_all(added); |
957 | } | |
958 | ||
f22f54f4 PZ |
959 | static inline u64 intel_pmu_get_status(void) |
960 | { | |
961 | u64 status; | |
962 | ||
963 | rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status); | |
964 | ||
965 | return status; | |
966 | } | |
967 | ||
968 | static inline void intel_pmu_ack_status(u64 ack) | |
969 | { | |
970 | wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack); | |
971 | } | |
972 | ||
ca037701 | 973 | static void intel_pmu_disable_fixed(struct hw_perf_event *hwc) |
f22f54f4 | 974 | { |
15c7ad51 | 975 | int idx = hwc->idx - INTEL_PMC_IDX_FIXED; |
f22f54f4 PZ |
976 | u64 ctrl_val, mask; |
977 | ||
978 | mask = 0xfULL << (idx * 4); | |
979 | ||
980 | rdmsrl(hwc->config_base, ctrl_val); | |
981 | ctrl_val &= ~mask; | |
7645a24c | 982 | wrmsrl(hwc->config_base, ctrl_val); |
f22f54f4 PZ |
983 | } |
984 | ||
ca037701 | 985 | static void intel_pmu_disable_event(struct perf_event *event) |
f22f54f4 | 986 | { |
aff3d91a | 987 | struct hw_perf_event *hwc = &event->hw; |
144d31e6 | 988 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
aff3d91a | 989 | |
15c7ad51 | 990 | if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { |
f22f54f4 PZ |
991 | intel_pmu_disable_bts(); |
992 | intel_pmu_drain_bts_buffer(); | |
993 | return; | |
994 | } | |
995 | ||
144d31e6 GN |
996 | cpuc->intel_ctrl_guest_mask &= ~(1ull << hwc->idx); |
997 | cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx); | |
998 | ||
60ce0fbd SE |
999 | /* |
1000 | * must disable before any actual event | |
1001 | * because any event may be combined with LBR | |
1002 | */ | |
1003 | if (intel_pmu_needs_lbr_smpl(event)) | |
1004 | intel_pmu_lbr_disable(event); | |
1005 | ||
f22f54f4 | 1006 | if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { |
aff3d91a | 1007 | intel_pmu_disable_fixed(hwc); |
f22f54f4 PZ |
1008 | return; |
1009 | } | |
1010 | ||
aff3d91a | 1011 | x86_pmu_disable_event(event); |
ca037701 | 1012 | |
ab608344 | 1013 | if (unlikely(event->attr.precise_ip)) |
ef21f683 | 1014 | intel_pmu_pebs_disable(event); |
f22f54f4 PZ |
1015 | } |
1016 | ||
ca037701 | 1017 | static void intel_pmu_enable_fixed(struct hw_perf_event *hwc) |
f22f54f4 | 1018 | { |
15c7ad51 | 1019 | int idx = hwc->idx - INTEL_PMC_IDX_FIXED; |
f22f54f4 | 1020 | u64 ctrl_val, bits, mask; |
f22f54f4 PZ |
1021 | |
1022 | /* | |
1023 | * Enable IRQ generation (0x8), | |
1024 | * and enable ring-3 counting (0x2) and ring-0 counting (0x1) | |
1025 | * if requested: | |
1026 | */ | |
1027 | bits = 0x8ULL; | |
1028 | if (hwc->config & ARCH_PERFMON_EVENTSEL_USR) | |
1029 | bits |= 0x2; | |
1030 | if (hwc->config & ARCH_PERFMON_EVENTSEL_OS) | |
1031 | bits |= 0x1; | |
1032 | ||
1033 | /* | |
1034 | * ANY bit is supported in v3 and up | |
1035 | */ | |
1036 | if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY) | |
1037 | bits |= 0x4; | |
1038 | ||
1039 | bits <<= (idx * 4); | |
1040 | mask = 0xfULL << (idx * 4); | |
1041 | ||
1042 | rdmsrl(hwc->config_base, ctrl_val); | |
1043 | ctrl_val &= ~mask; | |
1044 | ctrl_val |= bits; | |
7645a24c | 1045 | wrmsrl(hwc->config_base, ctrl_val); |
f22f54f4 PZ |
1046 | } |
1047 | ||
aff3d91a | 1048 | static void intel_pmu_enable_event(struct perf_event *event) |
f22f54f4 | 1049 | { |
aff3d91a | 1050 | struct hw_perf_event *hwc = &event->hw; |
144d31e6 | 1051 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
aff3d91a | 1052 | |
15c7ad51 | 1053 | if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { |
0a3aee0d | 1054 | if (!__this_cpu_read(cpu_hw_events.enabled)) |
f22f54f4 PZ |
1055 | return; |
1056 | ||
1057 | intel_pmu_enable_bts(hwc->config); | |
1058 | return; | |
1059 | } | |
60ce0fbd SE |
1060 | /* |
1061 | * must enabled before any actual event | |
1062 | * because any event may be combined with LBR | |
1063 | */ | |
1064 | if (intel_pmu_needs_lbr_smpl(event)) | |
1065 | intel_pmu_lbr_enable(event); | |
f22f54f4 | 1066 | |
144d31e6 GN |
1067 | if (event->attr.exclude_host) |
1068 | cpuc->intel_ctrl_guest_mask |= (1ull << hwc->idx); | |
1069 | if (event->attr.exclude_guest) | |
1070 | cpuc->intel_ctrl_host_mask |= (1ull << hwc->idx); | |
1071 | ||
f22f54f4 | 1072 | if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { |
aff3d91a | 1073 | intel_pmu_enable_fixed(hwc); |
f22f54f4 PZ |
1074 | return; |
1075 | } | |
1076 | ||
ab608344 | 1077 | if (unlikely(event->attr.precise_ip)) |
ef21f683 | 1078 | intel_pmu_pebs_enable(event); |
ca037701 | 1079 | |
31fa58af | 1080 | __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); |
f22f54f4 PZ |
1081 | } |
1082 | ||
1083 | /* | |
1084 | * Save and restart an expired event. Called by NMI contexts, | |
1085 | * so it has to be careful about preempting normal event ops: | |
1086 | */ | |
de0428a7 | 1087 | int intel_pmu_save_and_restart(struct perf_event *event) |
f22f54f4 | 1088 | { |
cc2ad4ba PZ |
1089 | x86_perf_event_update(event); |
1090 | return x86_perf_event_set_period(event); | |
f22f54f4 PZ |
1091 | } |
1092 | ||
1093 | static void intel_pmu_reset(void) | |
1094 | { | |
0a3aee0d | 1095 | struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds); |
f22f54f4 PZ |
1096 | unsigned long flags; |
1097 | int idx; | |
1098 | ||
948b1bb8 | 1099 | if (!x86_pmu.num_counters) |
f22f54f4 PZ |
1100 | return; |
1101 | ||
1102 | local_irq_save(flags); | |
1103 | ||
c767a54b | 1104 | pr_info("clearing PMU state on CPU#%d\n", smp_processor_id()); |
f22f54f4 | 1105 | |
948b1bb8 | 1106 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { |
715c85b1 PA |
1107 | wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); |
1108 | wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); | |
f22f54f4 | 1109 | } |
948b1bb8 | 1110 | for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) |
715c85b1 | 1111 | wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); |
948b1bb8 | 1112 | |
f22f54f4 PZ |
1113 | if (ds) |
1114 | ds->bts_index = ds->bts_buffer_base; | |
1115 | ||
1116 | local_irq_restore(flags); | |
1117 | } | |
1118 | ||
1119 | /* | |
1120 | * This handler is triggered by the local APIC, so the APIC IRQ handling | |
1121 | * rules apply: | |
1122 | */ | |
1123 | static int intel_pmu_handle_irq(struct pt_regs *regs) | |
1124 | { | |
1125 | struct perf_sample_data data; | |
1126 | struct cpu_hw_events *cpuc; | |
1127 | int bit, loops; | |
2e556b5b | 1128 | u64 status; |
b0b2072d | 1129 | int handled; |
f22f54f4 | 1130 | |
f22f54f4 PZ |
1131 | cpuc = &__get_cpu_var(cpu_hw_events); |
1132 | ||
2bce5dac DZ |
1133 | /* |
1134 | * Some chipsets need to unmask the LVTPC in a particular spot | |
1135 | * inside the nmi handler. As a result, the unmasking was pushed | |
1136 | * into all the nmi handlers. | |
1137 | * | |
1138 | * This handler doesn't seem to have any issues with the unmasking | |
1139 | * so it was left at the top. | |
1140 | */ | |
1141 | apic_write(APIC_LVTPC, APIC_DM_NMI); | |
1142 | ||
3fb2b8dd | 1143 | intel_pmu_disable_all(); |
b0b2072d | 1144 | handled = intel_pmu_drain_bts_buffer(); |
f22f54f4 PZ |
1145 | status = intel_pmu_get_status(); |
1146 | if (!status) { | |
11164cd4 | 1147 | intel_pmu_enable_all(0); |
b0b2072d | 1148 | return handled; |
f22f54f4 PZ |
1149 | } |
1150 | ||
1151 | loops = 0; | |
1152 | again: | |
2e556b5b | 1153 | intel_pmu_ack_status(status); |
f22f54f4 PZ |
1154 | if (++loops > 100) { |
1155 | WARN_ONCE(1, "perfevents: irq loop stuck!\n"); | |
1156 | perf_event_print_debug(); | |
1157 | intel_pmu_reset(); | |
3fb2b8dd | 1158 | goto done; |
f22f54f4 PZ |
1159 | } |
1160 | ||
1161 | inc_irq_stat(apic_perf_irqs); | |
ca037701 | 1162 | |
caff2bef PZ |
1163 | intel_pmu_lbr_read(); |
1164 | ||
ca037701 PZ |
1165 | /* |
1166 | * PEBS overflow sets bit 62 in the global status register | |
1167 | */ | |
de725dec PZ |
1168 | if (__test_and_clear_bit(62, (unsigned long *)&status)) { |
1169 | handled++; | |
ca037701 | 1170 | x86_pmu.drain_pebs(regs); |
de725dec | 1171 | } |
ca037701 | 1172 | |
984b3f57 | 1173 | for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) { |
f22f54f4 PZ |
1174 | struct perf_event *event = cpuc->events[bit]; |
1175 | ||
de725dec PZ |
1176 | handled++; |
1177 | ||
f22f54f4 PZ |
1178 | if (!test_bit(bit, cpuc->active_mask)) |
1179 | continue; | |
1180 | ||
1181 | if (!intel_pmu_save_and_restart(event)) | |
1182 | continue; | |
1183 | ||
fd0d000b | 1184 | perf_sample_data_init(&data, 0, event->hw.last_period); |
f22f54f4 | 1185 | |
60ce0fbd SE |
1186 | if (has_branch_stack(event)) |
1187 | data.br_stack = &cpuc->lbr_stack; | |
1188 | ||
a8b0ca17 | 1189 | if (perf_event_overflow(event, &data, regs)) |
a4eaf7f1 | 1190 | x86_pmu_stop(event, 0); |
f22f54f4 PZ |
1191 | } |
1192 | ||
f22f54f4 PZ |
1193 | /* |
1194 | * Repeat if there is more work to be done: | |
1195 | */ | |
1196 | status = intel_pmu_get_status(); | |
1197 | if (status) | |
1198 | goto again; | |
1199 | ||
3fb2b8dd | 1200 | done: |
11164cd4 | 1201 | intel_pmu_enable_all(0); |
de725dec | 1202 | return handled; |
f22f54f4 PZ |
1203 | } |
1204 | ||
f22f54f4 | 1205 | static struct event_constraint * |
ca037701 | 1206 | intel_bts_constraints(struct perf_event *event) |
f22f54f4 | 1207 | { |
ca037701 PZ |
1208 | struct hw_perf_event *hwc = &event->hw; |
1209 | unsigned int hw_event, bts_event; | |
f22f54f4 | 1210 | |
18a073a3 PZ |
1211 | if (event->attr.freq) |
1212 | return NULL; | |
1213 | ||
ca037701 PZ |
1214 | hw_event = hwc->config & INTEL_ARCH_EVENT_MASK; |
1215 | bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS); | |
f22f54f4 | 1216 | |
ca037701 | 1217 | if (unlikely(hw_event == bts_event && hwc->sample_period == 1)) |
f22f54f4 | 1218 | return &bts_constraint; |
ca037701 | 1219 | |
f22f54f4 PZ |
1220 | return NULL; |
1221 | } | |
1222 | ||
5a425294 | 1223 | static int intel_alt_er(int idx) |
b79e8941 PZ |
1224 | { |
1225 | if (!(x86_pmu.er_flags & ERF_HAS_RSP_1)) | |
5a425294 | 1226 | return idx; |
b79e8941 | 1227 | |
5a425294 PZ |
1228 | if (idx == EXTRA_REG_RSP_0) |
1229 | return EXTRA_REG_RSP_1; | |
1230 | ||
1231 | if (idx == EXTRA_REG_RSP_1) | |
1232 | return EXTRA_REG_RSP_0; | |
1233 | ||
1234 | return idx; | |
1235 | } | |
1236 | ||
1237 | static void intel_fixup_er(struct perf_event *event, int idx) | |
1238 | { | |
1239 | event->hw.extra_reg.idx = idx; | |
1240 | ||
1241 | if (idx == EXTRA_REG_RSP_0) { | |
b79e8941 PZ |
1242 | event->hw.config &= ~INTEL_ARCH_EVENT_MASK; |
1243 | event->hw.config |= 0x01b7; | |
b79e8941 | 1244 | event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; |
5a425294 PZ |
1245 | } else if (idx == EXTRA_REG_RSP_1) { |
1246 | event->hw.config &= ~INTEL_ARCH_EVENT_MASK; | |
1247 | event->hw.config |= 0x01bb; | |
1248 | event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; | |
b79e8941 | 1249 | } |
b79e8941 PZ |
1250 | } |
1251 | ||
efc9f05d SE |
1252 | /* |
1253 | * manage allocation of shared extra msr for certain events | |
1254 | * | |
1255 | * sharing can be: | |
1256 | * per-cpu: to be shared between the various events on a single PMU | |
1257 | * per-core: per-cpu + shared by HT threads | |
1258 | */ | |
a7e3ed1e | 1259 | static struct event_constraint * |
efc9f05d | 1260 | __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, |
b36817e8 SE |
1261 | struct perf_event *event, |
1262 | struct hw_perf_event_extra *reg) | |
a7e3ed1e | 1263 | { |
efc9f05d | 1264 | struct event_constraint *c = &emptyconstraint; |
a7e3ed1e | 1265 | struct er_account *era; |
cd8a38d3 | 1266 | unsigned long flags; |
5a425294 | 1267 | int idx = reg->idx; |
a7e3ed1e | 1268 | |
5a425294 PZ |
1269 | /* |
1270 | * reg->alloc can be set due to existing state, so for fake cpuc we | |
1271 | * need to ignore this, otherwise we might fail to allocate proper fake | |
1272 | * state for this extra reg constraint. Also see the comment below. | |
1273 | */ | |
1274 | if (reg->alloc && !cpuc->is_fake) | |
b36817e8 | 1275 | return NULL; /* call x86_get_event_constraint() */ |
a7e3ed1e | 1276 | |
b79e8941 | 1277 | again: |
5a425294 | 1278 | era = &cpuc->shared_regs->regs[idx]; |
cd8a38d3 SE |
1279 | /* |
1280 | * we use spin_lock_irqsave() to avoid lockdep issues when | |
1281 | * passing a fake cpuc | |
1282 | */ | |
1283 | raw_spin_lock_irqsave(&era->lock, flags); | |
efc9f05d SE |
1284 | |
1285 | if (!atomic_read(&era->ref) || era->config == reg->config) { | |
1286 | ||
5a425294 PZ |
1287 | /* |
1288 | * If its a fake cpuc -- as per validate_{group,event}() we | |
1289 | * shouldn't touch event state and we can avoid doing so | |
1290 | * since both will only call get_event_constraints() once | |
1291 | * on each event, this avoids the need for reg->alloc. | |
1292 | * | |
1293 | * Not doing the ER fixup will only result in era->reg being | |
1294 | * wrong, but since we won't actually try and program hardware | |
1295 | * this isn't a problem either. | |
1296 | */ | |
1297 | if (!cpuc->is_fake) { | |
1298 | if (idx != reg->idx) | |
1299 | intel_fixup_er(event, idx); | |
1300 | ||
1301 | /* | |
1302 | * x86_schedule_events() can call get_event_constraints() | |
1303 | * multiple times on events in the case of incremental | |
1304 | * scheduling(). reg->alloc ensures we only do the ER | |
1305 | * allocation once. | |
1306 | */ | |
1307 | reg->alloc = 1; | |
1308 | } | |
1309 | ||
efc9f05d SE |
1310 | /* lock in msr value */ |
1311 | era->config = reg->config; | |
1312 | era->reg = reg->reg; | |
1313 | ||
1314 | /* one more user */ | |
1315 | atomic_inc(&era->ref); | |
1316 | ||
a7e3ed1e | 1317 | /* |
b36817e8 SE |
1318 | * need to call x86_get_event_constraint() |
1319 | * to check if associated event has constraints | |
a7e3ed1e | 1320 | */ |
b36817e8 | 1321 | c = NULL; |
5a425294 PZ |
1322 | } else { |
1323 | idx = intel_alt_er(idx); | |
1324 | if (idx != reg->idx) { | |
1325 | raw_spin_unlock_irqrestore(&era->lock, flags); | |
1326 | goto again; | |
1327 | } | |
a7e3ed1e | 1328 | } |
cd8a38d3 | 1329 | raw_spin_unlock_irqrestore(&era->lock, flags); |
a7e3ed1e | 1330 | |
efc9f05d SE |
1331 | return c; |
1332 | } | |
1333 | ||
1334 | static void | |
1335 | __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc, | |
1336 | struct hw_perf_event_extra *reg) | |
1337 | { | |
1338 | struct er_account *era; | |
1339 | ||
1340 | /* | |
5a425294 PZ |
1341 | * Only put constraint if extra reg was actually allocated. Also takes |
1342 | * care of event which do not use an extra shared reg. | |
1343 | * | |
1344 | * Also, if this is a fake cpuc we shouldn't touch any event state | |
1345 | * (reg->alloc) and we don't care about leaving inconsistent cpuc state | |
1346 | * either since it'll be thrown out. | |
efc9f05d | 1347 | */ |
5a425294 | 1348 | if (!reg->alloc || cpuc->is_fake) |
efc9f05d SE |
1349 | return; |
1350 | ||
1351 | era = &cpuc->shared_regs->regs[reg->idx]; | |
1352 | ||
1353 | /* one fewer user */ | |
1354 | atomic_dec(&era->ref); | |
1355 | ||
1356 | /* allocate again next time */ | |
1357 | reg->alloc = 0; | |
1358 | } | |
1359 | ||
1360 | static struct event_constraint * | |
1361 | intel_shared_regs_constraints(struct cpu_hw_events *cpuc, | |
1362 | struct perf_event *event) | |
1363 | { | |
b36817e8 SE |
1364 | struct event_constraint *c = NULL, *d; |
1365 | struct hw_perf_event_extra *xreg, *breg; | |
1366 | ||
1367 | xreg = &event->hw.extra_reg; | |
1368 | if (xreg->idx != EXTRA_REG_NONE) { | |
1369 | c = __intel_shared_reg_get_constraints(cpuc, event, xreg); | |
1370 | if (c == &emptyconstraint) | |
1371 | return c; | |
1372 | } | |
1373 | breg = &event->hw.branch_reg; | |
1374 | if (breg->idx != EXTRA_REG_NONE) { | |
1375 | d = __intel_shared_reg_get_constraints(cpuc, event, breg); | |
1376 | if (d == &emptyconstraint) { | |
1377 | __intel_shared_reg_put_constraints(cpuc, xreg); | |
1378 | c = d; | |
1379 | } | |
1380 | } | |
efc9f05d | 1381 | return c; |
a7e3ed1e AK |
1382 | } |
1383 | ||
de0428a7 KW |
1384 | struct event_constraint * |
1385 | x86_get_event_constraints(struct cpu_hw_events *cpuc, struct perf_event *event) | |
1386 | { | |
1387 | struct event_constraint *c; | |
1388 | ||
1389 | if (x86_pmu.event_constraints) { | |
1390 | for_each_event_constraint(c, x86_pmu.event_constraints) { | |
1391 | if ((event->hw.config & c->cmask) == c->code) | |
1392 | return c; | |
1393 | } | |
1394 | } | |
1395 | ||
1396 | return &unconstrained; | |
1397 | } | |
1398 | ||
f22f54f4 PZ |
1399 | static struct event_constraint * |
1400 | intel_get_event_constraints(struct cpu_hw_events *cpuc, struct perf_event *event) | |
1401 | { | |
1402 | struct event_constraint *c; | |
1403 | ||
ca037701 PZ |
1404 | c = intel_bts_constraints(event); |
1405 | if (c) | |
1406 | return c; | |
1407 | ||
1408 | c = intel_pebs_constraints(event); | |
f22f54f4 PZ |
1409 | if (c) |
1410 | return c; | |
1411 | ||
efc9f05d | 1412 | c = intel_shared_regs_constraints(cpuc, event); |
a7e3ed1e AK |
1413 | if (c) |
1414 | return c; | |
1415 | ||
f22f54f4 PZ |
1416 | return x86_get_event_constraints(cpuc, event); |
1417 | } | |
1418 | ||
efc9f05d SE |
1419 | static void |
1420 | intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc, | |
a7e3ed1e AK |
1421 | struct perf_event *event) |
1422 | { | |
efc9f05d | 1423 | struct hw_perf_event_extra *reg; |
a7e3ed1e | 1424 | |
efc9f05d SE |
1425 | reg = &event->hw.extra_reg; |
1426 | if (reg->idx != EXTRA_REG_NONE) | |
1427 | __intel_shared_reg_put_constraints(cpuc, reg); | |
b36817e8 SE |
1428 | |
1429 | reg = &event->hw.branch_reg; | |
1430 | if (reg->idx != EXTRA_REG_NONE) | |
1431 | __intel_shared_reg_put_constraints(cpuc, reg); | |
efc9f05d | 1432 | } |
a7e3ed1e | 1433 | |
efc9f05d SE |
1434 | static void intel_put_event_constraints(struct cpu_hw_events *cpuc, |
1435 | struct perf_event *event) | |
1436 | { | |
1437 | intel_put_shared_regs_event_constraints(cpuc, event); | |
a7e3ed1e AK |
1438 | } |
1439 | ||
0780c927 | 1440 | static void intel_pebs_aliases_core2(struct perf_event *event) |
b4cdc5c2 | 1441 | { |
0780c927 | 1442 | if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { |
7639dae0 PZ |
1443 | /* |
1444 | * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P | |
1445 | * (0x003c) so that we can use it with PEBS. | |
1446 | * | |
1447 | * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't | |
1448 | * PEBS capable. However we can use INST_RETIRED.ANY_P | |
1449 | * (0x00c0), which is a PEBS capable event, to get the same | |
1450 | * count. | |
1451 | * | |
1452 | * INST_RETIRED.ANY_P counts the number of cycles that retires | |
1453 | * CNTMASK instructions. By setting CNTMASK to a value (16) | |
1454 | * larger than the maximum number of instructions that can be | |
1455 | * retired per cycle (4) and then inverting the condition, we | |
1456 | * count all cycles that retire 16 or less instructions, which | |
1457 | * is every cycle. | |
1458 | * | |
1459 | * Thereby we gain a PEBS capable cycle counter. | |
1460 | */ | |
f9b4eeb8 PZ |
1461 | u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16); |
1462 | ||
0780c927 PZ |
1463 | alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); |
1464 | event->hw.config = alt_config; | |
1465 | } | |
1466 | } | |
1467 | ||
1468 | static void intel_pebs_aliases_snb(struct perf_event *event) | |
1469 | { | |
1470 | if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { | |
1471 | /* | |
1472 | * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P | |
1473 | * (0x003c) so that we can use it with PEBS. | |
1474 | * | |
1475 | * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't | |
1476 | * PEBS capable. However we can use UOPS_RETIRED.ALL | |
1477 | * (0x01c2), which is a PEBS capable event, to get the same | |
1478 | * count. | |
1479 | * | |
1480 | * UOPS_RETIRED.ALL counts the number of cycles that retires | |
1481 | * CNTMASK micro-ops. By setting CNTMASK to a value (16) | |
1482 | * larger than the maximum number of micro-ops that can be | |
1483 | * retired per cycle (4) and then inverting the condition, we | |
1484 | * count all cycles that retire 16 or less micro-ops, which | |
1485 | * is every cycle. | |
1486 | * | |
1487 | * Thereby we gain a PEBS capable cycle counter. | |
1488 | */ | |
1489 | u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16); | |
7639dae0 PZ |
1490 | |
1491 | alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); | |
1492 | event->hw.config = alt_config; | |
1493 | } | |
0780c927 PZ |
1494 | } |
1495 | ||
1496 | static int intel_pmu_hw_config(struct perf_event *event) | |
1497 | { | |
1498 | int ret = x86_pmu_hw_config(event); | |
1499 | ||
1500 | if (ret) | |
1501 | return ret; | |
1502 | ||
1503 | if (event->attr.precise_ip && x86_pmu.pebs_aliases) | |
1504 | x86_pmu.pebs_aliases(event); | |
7639dae0 | 1505 | |
60ce0fbd SE |
1506 | if (intel_pmu_needs_lbr_smpl(event)) { |
1507 | ret = intel_pmu_setup_lbr_filter(event); | |
1508 | if (ret) | |
1509 | return ret; | |
1510 | } | |
1511 | ||
b4cdc5c2 PZ |
1512 | if (event->attr.type != PERF_TYPE_RAW) |
1513 | return 0; | |
1514 | ||
1515 | if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY)) | |
1516 | return 0; | |
1517 | ||
1518 | if (x86_pmu.version < 3) | |
1519 | return -EINVAL; | |
1520 | ||
1521 | if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN)) | |
1522 | return -EACCES; | |
1523 | ||
1524 | event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY; | |
1525 | ||
1526 | return 0; | |
1527 | } | |
1528 | ||
144d31e6 GN |
1529 | struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr) |
1530 | { | |
1531 | if (x86_pmu.guest_get_msrs) | |
1532 | return x86_pmu.guest_get_msrs(nr); | |
1533 | *nr = 0; | |
1534 | return NULL; | |
1535 | } | |
1536 | EXPORT_SYMBOL_GPL(perf_guest_get_msrs); | |
1537 | ||
1538 | static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr) | |
1539 | { | |
1540 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); | |
1541 | struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; | |
1542 | ||
1543 | arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL; | |
1544 | arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask; | |
1545 | arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask; | |
26a4f3c0 GN |
1546 | /* |
1547 | * If PMU counter has PEBS enabled it is not enough to disable counter | |
1548 | * on a guest entry since PEBS memory write can overshoot guest entry | |
1549 | * and corrupt guest memory. Disabling PEBS solves the problem. | |
1550 | */ | |
1551 | arr[1].msr = MSR_IA32_PEBS_ENABLE; | |
1552 | arr[1].host = cpuc->pebs_enabled; | |
1553 | arr[1].guest = 0; | |
144d31e6 | 1554 | |
26a4f3c0 | 1555 | *nr = 2; |
144d31e6 GN |
1556 | return arr; |
1557 | } | |
1558 | ||
1559 | static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr) | |
1560 | { | |
1561 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); | |
1562 | struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; | |
1563 | int idx; | |
1564 | ||
1565 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { | |
1566 | struct perf_event *event = cpuc->events[idx]; | |
1567 | ||
1568 | arr[idx].msr = x86_pmu_config_addr(idx); | |
1569 | arr[idx].host = arr[idx].guest = 0; | |
1570 | ||
1571 | if (!test_bit(idx, cpuc->active_mask)) | |
1572 | continue; | |
1573 | ||
1574 | arr[idx].host = arr[idx].guest = | |
1575 | event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE; | |
1576 | ||
1577 | if (event->attr.exclude_host) | |
1578 | arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE; | |
1579 | else if (event->attr.exclude_guest) | |
1580 | arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE; | |
1581 | } | |
1582 | ||
1583 | *nr = x86_pmu.num_counters; | |
1584 | return arr; | |
1585 | } | |
1586 | ||
1587 | static void core_pmu_enable_event(struct perf_event *event) | |
1588 | { | |
1589 | if (!event->attr.exclude_host) | |
1590 | x86_pmu_enable_event(event); | |
1591 | } | |
1592 | ||
1593 | static void core_pmu_enable_all(int added) | |
1594 | { | |
1595 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); | |
1596 | int idx; | |
1597 | ||
1598 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { | |
1599 | struct hw_perf_event *hwc = &cpuc->events[idx]->hw; | |
1600 | ||
1601 | if (!test_bit(idx, cpuc->active_mask) || | |
1602 | cpuc->events[idx]->attr.exclude_host) | |
1603 | continue; | |
1604 | ||
1605 | __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); | |
1606 | } | |
1607 | } | |
1608 | ||
641cc938 JO |
1609 | PMU_FORMAT_ATTR(event, "config:0-7" ); |
1610 | PMU_FORMAT_ATTR(umask, "config:8-15" ); | |
1611 | PMU_FORMAT_ATTR(edge, "config:18" ); | |
1612 | PMU_FORMAT_ATTR(pc, "config:19" ); | |
1613 | PMU_FORMAT_ATTR(any, "config:21" ); /* v3 + */ | |
1614 | PMU_FORMAT_ATTR(inv, "config:23" ); | |
1615 | PMU_FORMAT_ATTR(cmask, "config:24-31" ); | |
1616 | ||
1617 | static struct attribute *intel_arch_formats_attr[] = { | |
1618 | &format_attr_event.attr, | |
1619 | &format_attr_umask.attr, | |
1620 | &format_attr_edge.attr, | |
1621 | &format_attr_pc.attr, | |
1622 | &format_attr_inv.attr, | |
1623 | &format_attr_cmask.attr, | |
1624 | NULL, | |
1625 | }; | |
1626 | ||
0bf79d44 JO |
1627 | ssize_t intel_event_sysfs_show(char *page, u64 config) |
1628 | { | |
1629 | u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT); | |
1630 | ||
1631 | return x86_event_sysfs_show(page, config, event); | |
1632 | } | |
1633 | ||
caaa8be3 | 1634 | static __initconst const struct x86_pmu core_pmu = { |
f22f54f4 PZ |
1635 | .name = "core", |
1636 | .handle_irq = x86_pmu_handle_irq, | |
1637 | .disable_all = x86_pmu_disable_all, | |
144d31e6 GN |
1638 | .enable_all = core_pmu_enable_all, |
1639 | .enable = core_pmu_enable_event, | |
f22f54f4 | 1640 | .disable = x86_pmu_disable_event, |
b4cdc5c2 | 1641 | .hw_config = x86_pmu_hw_config, |
a072738e | 1642 | .schedule_events = x86_schedule_events, |
f22f54f4 PZ |
1643 | .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, |
1644 | .perfctr = MSR_ARCH_PERFMON_PERFCTR0, | |
1645 | .event_map = intel_pmu_event_map, | |
f22f54f4 PZ |
1646 | .max_events = ARRAY_SIZE(intel_perfmon_event_map), |
1647 | .apic = 1, | |
1648 | /* | |
1649 | * Intel PMCs cannot be accessed sanely above 32 bit width, | |
1650 | * so we install an artificial 1<<31 period regardless of | |
1651 | * the generic event period: | |
1652 | */ | |
1653 | .max_period = (1ULL << 31) - 1, | |
1654 | .get_event_constraints = intel_get_event_constraints, | |
a7e3ed1e | 1655 | .put_event_constraints = intel_put_event_constraints, |
f22f54f4 | 1656 | .event_constraints = intel_core_event_constraints, |
144d31e6 | 1657 | .guest_get_msrs = core_guest_get_msrs, |
641cc938 | 1658 | .format_attrs = intel_arch_formats_attr, |
0bf79d44 | 1659 | .events_sysfs_show = intel_event_sysfs_show, |
f22f54f4 PZ |
1660 | }; |
1661 | ||
de0428a7 | 1662 | struct intel_shared_regs *allocate_shared_regs(int cpu) |
efc9f05d SE |
1663 | { |
1664 | struct intel_shared_regs *regs; | |
1665 | int i; | |
1666 | ||
1667 | regs = kzalloc_node(sizeof(struct intel_shared_regs), | |
1668 | GFP_KERNEL, cpu_to_node(cpu)); | |
1669 | if (regs) { | |
1670 | /* | |
1671 | * initialize the locks to keep lockdep happy | |
1672 | */ | |
1673 | for (i = 0; i < EXTRA_REG_MAX; i++) | |
1674 | raw_spin_lock_init(®s->regs[i].lock); | |
1675 | ||
1676 | regs->core_id = -1; | |
1677 | } | |
1678 | return regs; | |
1679 | } | |
1680 | ||
a7e3ed1e AK |
1681 | static int intel_pmu_cpu_prepare(int cpu) |
1682 | { | |
1683 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); | |
1684 | ||
b36817e8 | 1685 | if (!(x86_pmu.extra_regs || x86_pmu.lbr_sel_map)) |
69092624 LM |
1686 | return NOTIFY_OK; |
1687 | ||
efc9f05d SE |
1688 | cpuc->shared_regs = allocate_shared_regs(cpu); |
1689 | if (!cpuc->shared_regs) | |
a7e3ed1e AK |
1690 | return NOTIFY_BAD; |
1691 | ||
a7e3ed1e AK |
1692 | return NOTIFY_OK; |
1693 | } | |
1694 | ||
74846d35 PZ |
1695 | static void intel_pmu_cpu_starting(int cpu) |
1696 | { | |
a7e3ed1e AK |
1697 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); |
1698 | int core_id = topology_core_id(cpu); | |
1699 | int i; | |
1700 | ||
69092624 LM |
1701 | init_debug_store_on_cpu(cpu); |
1702 | /* | |
1703 | * Deal with CPUs that don't clear their LBRs on power-up. | |
1704 | */ | |
1705 | intel_pmu_lbr_reset(); | |
1706 | ||
b36817e8 SE |
1707 | cpuc->lbr_sel = NULL; |
1708 | ||
1709 | if (!cpuc->shared_regs) | |
69092624 LM |
1710 | return; |
1711 | ||
b36817e8 SE |
1712 | if (!(x86_pmu.er_flags & ERF_NO_HT_SHARING)) { |
1713 | for_each_cpu(i, topology_thread_cpumask(cpu)) { | |
1714 | struct intel_shared_regs *pc; | |
a7e3ed1e | 1715 | |
b36817e8 SE |
1716 | pc = per_cpu(cpu_hw_events, i).shared_regs; |
1717 | if (pc && pc->core_id == core_id) { | |
1718 | cpuc->kfree_on_online = cpuc->shared_regs; | |
1719 | cpuc->shared_regs = pc; | |
1720 | break; | |
1721 | } | |
a7e3ed1e | 1722 | } |
b36817e8 SE |
1723 | cpuc->shared_regs->core_id = core_id; |
1724 | cpuc->shared_regs->refcnt++; | |
a7e3ed1e AK |
1725 | } |
1726 | ||
b36817e8 SE |
1727 | if (x86_pmu.lbr_sel_map) |
1728 | cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR]; | |
74846d35 PZ |
1729 | } |
1730 | ||
1731 | static void intel_pmu_cpu_dying(int cpu) | |
1732 | { | |
a7e3ed1e | 1733 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); |
efc9f05d | 1734 | struct intel_shared_regs *pc; |
a7e3ed1e | 1735 | |
efc9f05d | 1736 | pc = cpuc->shared_regs; |
a7e3ed1e AK |
1737 | if (pc) { |
1738 | if (pc->core_id == -1 || --pc->refcnt == 0) | |
1739 | kfree(pc); | |
efc9f05d | 1740 | cpuc->shared_regs = NULL; |
a7e3ed1e AK |
1741 | } |
1742 | ||
74846d35 PZ |
1743 | fini_debug_store_on_cpu(cpu); |
1744 | } | |
1745 | ||
d010b332 SE |
1746 | static void intel_pmu_flush_branch_stack(void) |
1747 | { | |
1748 | /* | |
1749 | * Intel LBR does not tag entries with the | |
1750 | * PID of the current task, then we need to | |
1751 | * flush it on ctxsw | |
1752 | * For now, we simply reset it | |
1753 | */ | |
1754 | if (x86_pmu.lbr_nr) | |
1755 | intel_pmu_lbr_reset(); | |
1756 | } | |
1757 | ||
641cc938 JO |
1758 | PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); |
1759 | ||
1760 | static struct attribute *intel_arch3_formats_attr[] = { | |
1761 | &format_attr_event.attr, | |
1762 | &format_attr_umask.attr, | |
1763 | &format_attr_edge.attr, | |
1764 | &format_attr_pc.attr, | |
1765 | &format_attr_any.attr, | |
1766 | &format_attr_inv.attr, | |
1767 | &format_attr_cmask.attr, | |
1768 | ||
1769 | &format_attr_offcore_rsp.attr, /* XXX do NHM/WSM + SNB breakout */ | |
1770 | NULL, | |
1771 | }; | |
1772 | ||
caaa8be3 | 1773 | static __initconst const struct x86_pmu intel_pmu = { |
f22f54f4 PZ |
1774 | .name = "Intel", |
1775 | .handle_irq = intel_pmu_handle_irq, | |
1776 | .disable_all = intel_pmu_disable_all, | |
1777 | .enable_all = intel_pmu_enable_all, | |
1778 | .enable = intel_pmu_enable_event, | |
1779 | .disable = intel_pmu_disable_event, | |
b4cdc5c2 | 1780 | .hw_config = intel_pmu_hw_config, |
a072738e | 1781 | .schedule_events = x86_schedule_events, |
f22f54f4 PZ |
1782 | .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, |
1783 | .perfctr = MSR_ARCH_PERFMON_PERFCTR0, | |
1784 | .event_map = intel_pmu_event_map, | |
f22f54f4 PZ |
1785 | .max_events = ARRAY_SIZE(intel_perfmon_event_map), |
1786 | .apic = 1, | |
1787 | /* | |
1788 | * Intel PMCs cannot be accessed sanely above 32 bit width, | |
1789 | * so we install an artificial 1<<31 period regardless of | |
1790 | * the generic event period: | |
1791 | */ | |
1792 | .max_period = (1ULL << 31) - 1, | |
3f6da390 | 1793 | .get_event_constraints = intel_get_event_constraints, |
a7e3ed1e | 1794 | .put_event_constraints = intel_put_event_constraints, |
0780c927 | 1795 | .pebs_aliases = intel_pebs_aliases_core2, |
3f6da390 | 1796 | |
641cc938 | 1797 | .format_attrs = intel_arch3_formats_attr, |
0bf79d44 | 1798 | .events_sysfs_show = intel_event_sysfs_show, |
641cc938 | 1799 | |
a7e3ed1e | 1800 | .cpu_prepare = intel_pmu_cpu_prepare, |
74846d35 PZ |
1801 | .cpu_starting = intel_pmu_cpu_starting, |
1802 | .cpu_dying = intel_pmu_cpu_dying, | |
144d31e6 | 1803 | .guest_get_msrs = intel_guest_get_msrs, |
d010b332 | 1804 | .flush_branch_stack = intel_pmu_flush_branch_stack, |
f22f54f4 PZ |
1805 | }; |
1806 | ||
c1d6f42f | 1807 | static __init void intel_clovertown_quirk(void) |
3c44780b PZ |
1808 | { |
1809 | /* | |
1810 | * PEBS is unreliable due to: | |
1811 | * | |
1812 | * AJ67 - PEBS may experience CPL leaks | |
1813 | * AJ68 - PEBS PMI may be delayed by one event | |
1814 | * AJ69 - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12] | |
1815 | * AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS | |
1816 | * | |
1817 | * AJ67 could be worked around by restricting the OS/USR flags. | |
1818 | * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI. | |
1819 | * | |
1820 | * AJ106 could possibly be worked around by not allowing LBR | |
1821 | * usage from PEBS, including the fixup. | |
1822 | * AJ68 could possibly be worked around by always programming | |
ec75a716 | 1823 | * a pebs_event_reset[0] value and coping with the lost events. |
3c44780b PZ |
1824 | * |
1825 | * But taken together it might just make sense to not enable PEBS on | |
1826 | * these chips. | |
1827 | */ | |
c767a54b | 1828 | pr_warn("PEBS disabled due to CPU errata\n"); |
3c44780b PZ |
1829 | x86_pmu.pebs = 0; |
1830 | x86_pmu.pebs_constraints = NULL; | |
1831 | } | |
1832 | ||
c93dc84c PZ |
1833 | static int intel_snb_pebs_broken(int cpu) |
1834 | { | |
1835 | u32 rev = UINT_MAX; /* default to broken for unknown models */ | |
1836 | ||
1837 | switch (cpu_data(cpu).x86_model) { | |
1838 | case 42: /* SNB */ | |
1839 | rev = 0x28; | |
1840 | break; | |
1841 | ||
1842 | case 45: /* SNB-EP */ | |
1843 | switch (cpu_data(cpu).x86_mask) { | |
1844 | case 6: rev = 0x618; break; | |
1845 | case 7: rev = 0x70c; break; | |
1846 | } | |
1847 | } | |
1848 | ||
1849 | return (cpu_data(cpu).microcode < rev); | |
1850 | } | |
1851 | ||
1852 | static void intel_snb_check_microcode(void) | |
1853 | { | |
1854 | int pebs_broken = 0; | |
1855 | int cpu; | |
1856 | ||
1857 | get_online_cpus(); | |
1858 | for_each_online_cpu(cpu) { | |
1859 | if ((pebs_broken = intel_snb_pebs_broken(cpu))) | |
1860 | break; | |
1861 | } | |
1862 | put_online_cpus(); | |
1863 | ||
1864 | if (pebs_broken == x86_pmu.pebs_broken) | |
1865 | return; | |
1866 | ||
1867 | /* | |
1868 | * Serialized by the microcode lock.. | |
1869 | */ | |
1870 | if (x86_pmu.pebs_broken) { | |
1871 | pr_info("PEBS enabled due to microcode update\n"); | |
1872 | x86_pmu.pebs_broken = 0; | |
1873 | } else { | |
1874 | pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n"); | |
1875 | x86_pmu.pebs_broken = 1; | |
1876 | } | |
1877 | } | |
1878 | ||
c1d6f42f | 1879 | static __init void intel_sandybridge_quirk(void) |
6a600a8b | 1880 | { |
c93dc84c PZ |
1881 | x86_pmu.check_microcode = intel_snb_check_microcode; |
1882 | intel_snb_check_microcode(); | |
6a600a8b PZ |
1883 | } |
1884 | ||
c1d6f42f PZ |
1885 | static const struct { int id; char *name; } intel_arch_events_map[] __initconst = { |
1886 | { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" }, | |
1887 | { PERF_COUNT_HW_INSTRUCTIONS, "instructions" }, | |
1888 | { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" }, | |
1889 | { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" }, | |
1890 | { PERF_COUNT_HW_CACHE_MISSES, "cache misses" }, | |
1891 | { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" }, | |
1892 | { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" }, | |
ffb871bc GN |
1893 | }; |
1894 | ||
c1d6f42f PZ |
1895 | static __init void intel_arch_events_quirk(void) |
1896 | { | |
1897 | int bit; | |
1898 | ||
1899 | /* disable event that reported as not presend by cpuid */ | |
1900 | for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) { | |
1901 | intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0; | |
c767a54b JP |
1902 | pr_warn("CPUID marked event: \'%s\' unavailable\n", |
1903 | intel_arch_events_map[bit].name); | |
c1d6f42f PZ |
1904 | } |
1905 | } | |
1906 | ||
1907 | static __init void intel_nehalem_quirk(void) | |
1908 | { | |
1909 | union cpuid10_ebx ebx; | |
1910 | ||
1911 | ebx.full = x86_pmu.events_maskl; | |
1912 | if (ebx.split.no_branch_misses_retired) { | |
1913 | /* | |
1914 | * Erratum AAJ80 detected, we work it around by using | |
1915 | * the BR_MISP_EXEC.ANY event. This will over-count | |
1916 | * branch-misses, but it's still much better than the | |
1917 | * architectural event which is often completely bogus: | |
1918 | */ | |
1919 | intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89; | |
1920 | ebx.split.no_branch_misses_retired = 0; | |
1921 | x86_pmu.events_maskl = ebx.full; | |
c767a54b | 1922 | pr_info("CPU erratum AAJ80 worked around\n"); |
c1d6f42f PZ |
1923 | } |
1924 | } | |
1925 | ||
de0428a7 | 1926 | __init int intel_pmu_init(void) |
f22f54f4 PZ |
1927 | { |
1928 | union cpuid10_edx edx; | |
1929 | union cpuid10_eax eax; | |
ffb871bc | 1930 | union cpuid10_ebx ebx; |
a1eac7ac | 1931 | struct event_constraint *c; |
f22f54f4 | 1932 | unsigned int unused; |
f22f54f4 PZ |
1933 | int version; |
1934 | ||
1935 | if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) { | |
a072738e CG |
1936 | switch (boot_cpu_data.x86) { |
1937 | case 0x6: | |
1938 | return p6_pmu_init(); | |
e717bf4e VW |
1939 | case 0xb: |
1940 | return knc_pmu_init(); | |
a072738e CG |
1941 | case 0xf: |
1942 | return p4_pmu_init(); | |
1943 | } | |
f22f54f4 | 1944 | return -ENODEV; |
f22f54f4 PZ |
1945 | } |
1946 | ||
1947 | /* | |
1948 | * Check whether the Architectural PerfMon supports | |
1949 | * Branch Misses Retired hw_event or not. | |
1950 | */ | |
ffb871bc GN |
1951 | cpuid(10, &eax.full, &ebx.full, &unused, &edx.full); |
1952 | if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT) | |
f22f54f4 PZ |
1953 | return -ENODEV; |
1954 | ||
1955 | version = eax.split.version_id; | |
1956 | if (version < 2) | |
1957 | x86_pmu = core_pmu; | |
1958 | else | |
1959 | x86_pmu = intel_pmu; | |
1960 | ||
1961 | x86_pmu.version = version; | |
948b1bb8 RR |
1962 | x86_pmu.num_counters = eax.split.num_counters; |
1963 | x86_pmu.cntval_bits = eax.split.bit_width; | |
1964 | x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1; | |
f22f54f4 | 1965 | |
c1d6f42f PZ |
1966 | x86_pmu.events_maskl = ebx.full; |
1967 | x86_pmu.events_mask_len = eax.split.mask_length; | |
1968 | ||
70ab7003 AK |
1969 | x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); |
1970 | ||
f22f54f4 PZ |
1971 | /* |
1972 | * Quirk: v2 perfmon does not report fixed-purpose events, so | |
1973 | * assume at least 3 events: | |
1974 | */ | |
1975 | if (version > 1) | |
948b1bb8 | 1976 | x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3); |
f22f54f4 | 1977 | |
8db909a7 PZ |
1978 | /* |
1979 | * v2 and above have a perf capabilities MSR | |
1980 | */ | |
1981 | if (version > 1) { | |
1982 | u64 capabilities; | |
1983 | ||
1984 | rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); | |
1985 | x86_pmu.intel_cap.capabilities = capabilities; | |
1986 | } | |
1987 | ||
ca037701 PZ |
1988 | intel_ds_init(); |
1989 | ||
c1d6f42f PZ |
1990 | x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */ |
1991 | ||
f22f54f4 PZ |
1992 | /* |
1993 | * Install the hw-cache-events table: | |
1994 | */ | |
1995 | switch (boot_cpu_data.x86_model) { | |
1996 | case 14: /* 65 nm core solo/duo, "Yonah" */ | |
1997 | pr_cont("Core events, "); | |
1998 | break; | |
1999 | ||
2000 | case 15: /* original 65 nm celeron/pentium/core2/xeon, "Merom"/"Conroe" */ | |
c1d6f42f | 2001 | x86_add_quirk(intel_clovertown_quirk); |
f22f54f4 PZ |
2002 | case 22: /* single-core 65 nm celeron/core2solo "Merom-L"/"Conroe-L" */ |
2003 | case 23: /* current 45 nm celeron/core2/xeon "Penryn"/"Wolfdale" */ | |
2004 | case 29: /* six-core 45 nm xeon "Dunnington" */ | |
2005 | memcpy(hw_cache_event_ids, core2_hw_cache_event_ids, | |
2006 | sizeof(hw_cache_event_ids)); | |
2007 | ||
caff2bef PZ |
2008 | intel_pmu_lbr_init_core(); |
2009 | ||
f22f54f4 | 2010 | x86_pmu.event_constraints = intel_core2_event_constraints; |
17e31629 | 2011 | x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints; |
f22f54f4 PZ |
2012 | pr_cont("Core2 events, "); |
2013 | break; | |
2014 | ||
2015 | case 26: /* 45 nm nehalem, "Bloomfield" */ | |
2016 | case 30: /* 45 nm nehalem, "Lynnfield" */ | |
134fbadf | 2017 | case 46: /* 45 nm nehalem-ex, "Beckton" */ |
f22f54f4 PZ |
2018 | memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids, |
2019 | sizeof(hw_cache_event_ids)); | |
e994d7d2 AK |
2020 | memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, |
2021 | sizeof(hw_cache_extra_regs)); | |
f22f54f4 | 2022 | |
caff2bef PZ |
2023 | intel_pmu_lbr_init_nhm(); |
2024 | ||
f22f54f4 | 2025 | x86_pmu.event_constraints = intel_nehalem_event_constraints; |
17e31629 | 2026 | x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints; |
11164cd4 | 2027 | x86_pmu.enable_all = intel_pmu_nhm_enable_all; |
a7e3ed1e | 2028 | x86_pmu.extra_regs = intel_nehalem_extra_regs; |
ec75a716 | 2029 | |
91fc4cc0 | 2030 | /* UOPS_ISSUED.STALLED_CYCLES */ |
f9b4eeb8 PZ |
2031 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
2032 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
91fc4cc0 | 2033 | /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ |
f9b4eeb8 PZ |
2034 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
2035 | X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); | |
94403f88 | 2036 | |
c1d6f42f | 2037 | x86_add_quirk(intel_nehalem_quirk); |
ec75a716 | 2038 | |
11164cd4 | 2039 | pr_cont("Nehalem events, "); |
f22f54f4 | 2040 | break; |
caff2bef | 2041 | |
b622d644 | 2042 | case 28: /* Atom */ |
0927b482 SL |
2043 | case 38: /* Lincroft */ |
2044 | case 39: /* Penwell */ | |
2045 | case 53: /* Cloverview */ | |
2046 | case 54: /* Cedarview */ | |
f22f54f4 PZ |
2047 | memcpy(hw_cache_event_ids, atom_hw_cache_event_ids, |
2048 | sizeof(hw_cache_event_ids)); | |
2049 | ||
caff2bef PZ |
2050 | intel_pmu_lbr_init_atom(); |
2051 | ||
f22f54f4 | 2052 | x86_pmu.event_constraints = intel_gen_event_constraints; |
17e31629 | 2053 | x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints; |
f22f54f4 PZ |
2054 | pr_cont("Atom events, "); |
2055 | break; | |
2056 | ||
2057 | case 37: /* 32 nm nehalem, "Clarkdale" */ | |
2058 | case 44: /* 32 nm nehalem, "Gulftown" */ | |
b2508e82 | 2059 | case 47: /* 32 nm Xeon E7 */ |
f22f54f4 PZ |
2060 | memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids, |
2061 | sizeof(hw_cache_event_ids)); | |
e994d7d2 AK |
2062 | memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, |
2063 | sizeof(hw_cache_extra_regs)); | |
f22f54f4 | 2064 | |
caff2bef PZ |
2065 | intel_pmu_lbr_init_nhm(); |
2066 | ||
f22f54f4 | 2067 | x86_pmu.event_constraints = intel_westmere_event_constraints; |
40b91cd1 | 2068 | x86_pmu.enable_all = intel_pmu_nhm_enable_all; |
17e31629 | 2069 | x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints; |
a7e3ed1e | 2070 | x86_pmu.extra_regs = intel_westmere_extra_regs; |
b79e8941 | 2071 | x86_pmu.er_flags |= ERF_HAS_RSP_1; |
30112039 IM |
2072 | |
2073 | /* UOPS_ISSUED.STALLED_CYCLES */ | |
f9b4eeb8 PZ |
2074 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
2075 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
30112039 | 2076 | /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ |
f9b4eeb8 PZ |
2077 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
2078 | X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); | |
30112039 | 2079 | |
f22f54f4 PZ |
2080 | pr_cont("Westmere events, "); |
2081 | break; | |
b622d644 | 2082 | |
b06b3d49 | 2083 | case 42: /* SandyBridge */ |
a34668f6 | 2084 | case 45: /* SandyBridge, "Romely-EP" */ |
47a8863d | 2085 | x86_add_quirk(intel_sandybridge_quirk); |
b06b3d49 LM |
2086 | memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, |
2087 | sizeof(hw_cache_event_ids)); | |
74e6543f YZ |
2088 | memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, |
2089 | sizeof(hw_cache_extra_regs)); | |
b06b3d49 | 2090 | |
c5cc2cd9 | 2091 | intel_pmu_lbr_init_snb(); |
b06b3d49 LM |
2092 | |
2093 | x86_pmu.event_constraints = intel_snb_event_constraints; | |
de0428a7 | 2094 | x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints; |
0780c927 | 2095 | x86_pmu.pebs_aliases = intel_pebs_aliases_snb; |
ee89cbc2 SE |
2096 | x86_pmu.extra_regs = intel_snb_extra_regs; |
2097 | /* all extra regs are per-cpu when HT is on */ | |
b79e8941 PZ |
2098 | x86_pmu.er_flags |= ERF_HAS_RSP_1; |
2099 | x86_pmu.er_flags |= ERF_NO_HT_SHARING; | |
e04d1b23 LM |
2100 | |
2101 | /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ | |
f9b4eeb8 PZ |
2102 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
2103 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
e04d1b23 | 2104 | /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/ |
f9b4eeb8 PZ |
2105 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
2106 | X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1); | |
e04d1b23 | 2107 | |
b06b3d49 LM |
2108 | pr_cont("SandyBridge events, "); |
2109 | break; | |
20a36e39 | 2110 | case 58: /* IvyBridge */ |
923d8697 | 2111 | case 62: /* IvyBridge EP */ |
20a36e39 SE |
2112 | memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, |
2113 | sizeof(hw_cache_event_ids)); | |
2114 | memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, | |
2115 | sizeof(hw_cache_extra_regs)); | |
2116 | ||
2117 | intel_pmu_lbr_init_snb(); | |
2118 | ||
69943182 | 2119 | x86_pmu.event_constraints = intel_ivb_event_constraints; |
20a36e39 SE |
2120 | x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints; |
2121 | x86_pmu.pebs_aliases = intel_pebs_aliases_snb; | |
2122 | x86_pmu.extra_regs = intel_snb_extra_regs; | |
2123 | /* all extra regs are per-cpu when HT is on */ | |
2124 | x86_pmu.er_flags |= ERF_HAS_RSP_1; | |
2125 | x86_pmu.er_flags |= ERF_NO_HT_SHARING; | |
2126 | ||
2127 | /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ | |
2128 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = | |
2129 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
2130 | ||
2131 | pr_cont("IvyBridge events, "); | |
2132 | break; | |
2133 | ||
b06b3d49 | 2134 | |
f22f54f4 | 2135 | default: |
0af3ac1f AK |
2136 | switch (x86_pmu.version) { |
2137 | case 1: | |
2138 | x86_pmu.event_constraints = intel_v1_event_constraints; | |
2139 | pr_cont("generic architected perfmon v1, "); | |
2140 | break; | |
2141 | default: | |
2142 | /* | |
2143 | * default constraints for v2 and up | |
2144 | */ | |
2145 | x86_pmu.event_constraints = intel_gen_event_constraints; | |
2146 | pr_cont("generic architected perfmon, "); | |
2147 | break; | |
2148 | } | |
f22f54f4 | 2149 | } |
ffb871bc | 2150 | |
a1eac7ac RR |
2151 | if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) { |
2152 | WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", | |
2153 | x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC); | |
2154 | x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC; | |
2155 | } | |
2156 | x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; | |
2157 | ||
2158 | if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) { | |
2159 | WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", | |
2160 | x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED); | |
2161 | x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; | |
2162 | } | |
2163 | ||
2164 | x86_pmu.intel_ctrl |= | |
2165 | ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED; | |
2166 | ||
2167 | if (x86_pmu.event_constraints) { | |
2168 | /* | |
2169 | * event on fixed counter2 (REF_CYCLES) only works on this | |
2170 | * counter, so do not extend mask to generic counters | |
2171 | */ | |
2172 | for_each_event_constraint(c, x86_pmu.event_constraints) { | |
2173 | if (c->cmask != X86_RAW_EVENT_MASK | |
2174 | || c->idxmsk64 == INTEL_PMC_MSK_FIXED_REF_CYCLES) { | |
2175 | continue; | |
2176 | } | |
2177 | ||
2178 | c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; | |
2179 | c->weight += x86_pmu.num_counters; | |
2180 | } | |
2181 | } | |
2182 | ||
f22f54f4 PZ |
2183 | return 0; |
2184 | } |