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4ed24f86 JD |
1 | # The MIT License (MIT) |
2 | # | |
a3fa57c0 | 3 | # Copyright (C) 2015 - Julien Desfossez <jdesfossez@efficios.com> |
6cd52af3 | 4 | # 2015 - Antoine Busque <abusque@efficios.com> |
cee855a2 | 5 | # 2015 - Philippe Proulx <pproulx@efficios.com> |
4ed24f86 JD |
6 | # |
7 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | # of this software and associated documentation files (the "Software"), to deal | |
9 | # in the Software without restriction, including without limitation the rights | |
10 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | # copies of the Software, and to permit persons to whom the Software is | |
12 | # furnished to do so, subject to the following conditions: | |
13 | # | |
14 | # The above copyright notice and this permission notice shall be included in | |
15 | # all copies or substantial portions of the Software. | |
16 | # | |
17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | # SOFTWARE. | |
24 | ||
0b250a71 | 25 | import collections |
a9c9a2a6 JD |
26 | import operator |
27 | import statistics | |
b6d9132b | 28 | import sys |
0b250a71 | 29 | from . import mi |
8400227b | 30 | from . import termgraph |
0b250a71 | 31 | from ..core import io |
8400227b | 32 | from ..common import format_utils |
0b250a71 AB |
33 | from .command import Command |
34 | from ..linuxautomaton import common | |
a9c9a2a6 JD |
35 | |
36 | ||
a0acc08c PP |
37 | _UsageTables = collections.namedtuple('_UsageTables', [ |
38 | 'per_proc_read', | |
39 | 'per_proc_write', | |
40 | 'per_file_read', | |
41 | 'per_file_write', | |
42 | 'per_proc_block_read', | |
43 | 'per_proc_block_write', | |
44 | 'per_disk_sector', | |
45 | 'per_disk_request', | |
46 | 'per_disk_rtps', | |
47 | 'per_netif_recv', | |
48 | 'per_netif_send', | |
49 | ]) | |
50 | ||
51 | ||
087e5d00 | 52 | class IoAnalysisCommand(Command): |
a9c9a2a6 | 53 | _DESC = """The I/O command.""" |
b6d9132b | 54 | _ANALYSIS_CLASS = io.IoAnalysis |
a0acc08c PP |
55 | _MI_TITLE = 'I/O analysis' |
56 | _MI_DESCRIPTION = 'System call/disk latency statistics, system call ' + \ | |
57 | 'latency distribution, system call top latencies, ' + \ | |
58 | 'I/O usage top, and I/O operations log' | |
59 | _MI_TAGS = [ | |
60 | mi.Tags.IO, | |
61 | mi.Tags.SYSCALL, | |
62 | mi.Tags.STATS, | |
63 | mi.Tags.FREQ, | |
64 | mi.Tags.LOG, | |
65 | mi.Tags.TOP, | |
66 | ] | |
67 | _MI_TABLE_CLASS_SYSCALL_LATENCY_STATS = 'syscall-latency-stats' | |
68 | _MI_TABLE_CLASS_PART_LATENCY_STATS = 'disk-latency-stats' | |
69 | _MI_TABLE_CLASS_FREQ = 'freq' | |
70 | _MI_TABLE_CLASS_TOP_SYSCALL = 'top-syscall' | |
71 | _MI_TABLE_CLASS_LOG = 'log' | |
72 | _MI_TABLE_CLASS_PER_PROCESS_TOP = 'per-process-top' | |
73 | _MI_TABLE_CLASS_PER_FILE_TOP = 'per-file-top' | |
74 | _MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK = 'per-process-top-block' | |
75 | _MI_TABLE_CLASS_PER_DISK_TOP_SECTOR = 'per-disk-top-sector' | |
76 | _MI_TABLE_CLASS_PER_DISK_TOP_REQUEST = 'per-disk-top-request' | |
77 | _MI_TABLE_CLASS_PER_DISK_TOP_RTPS = 'per-disk-top-rps' | |
78 | _MI_TABLE_CLASS_PER_NETIF_TOP = 'per-netif-top' | |
79 | _MI_TABLE_CLASSES = [ | |
80 | ( | |
81 | _MI_TABLE_CLASS_SYSCALL_LATENCY_STATS, | |
82 | 'System call latency statistics', [ | |
83 | ('obj', 'System call category', mi.String), | |
84 | ('count', 'Call count', mi.Integer, 'calls'), | |
85 | ('min_latency', 'Minimum call latency', mi.Duration), | |
86 | ('avg_latency', 'Average call latency', mi.Duration), | |
87 | ('max_latency', 'Maximum call latency', mi.Duration), | |
650e7f57 AB |
88 | ('stdev_latency', 'System call latency standard deviation', |
89 | mi.Duration), | |
a0acc08c PP |
90 | ] |
91 | ), | |
92 | ( | |
93 | _MI_TABLE_CLASS_PART_LATENCY_STATS, | |
94 | 'Partition latency statistics', [ | |
95 | ('obj', 'Partition', mi.Disk), | |
96 | ('count', 'Access count', mi.Integer, 'accesses'), | |
97 | ('min_latency', 'Minimum access latency', mi.Duration), | |
98 | ('avg_latency', 'Average access latency', mi.Duration), | |
99 | ('max_latency', 'Maximum access latency', mi.Duration), | |
650e7f57 AB |
100 | ('stdev_latency', 'System access latency standard deviation', |
101 | mi.Duration), | |
a0acc08c PP |
102 | ] |
103 | ), | |
104 | ( | |
105 | _MI_TABLE_CLASS_FREQ, | |
106 | 'I/O request latency distribution', [ | |
107 | ('latency_lower', 'Latency (lower bound)', mi.Duration), | |
108 | ('latency_upper', 'Latency (upper bound)', mi.Duration), | |
109 | ('count', 'Request count', mi.Integer, 'requests'), | |
110 | ] | |
111 | ), | |
112 | ( | |
113 | _MI_TABLE_CLASS_TOP_SYSCALL, | |
114 | 'Top system call latencies', [ | |
115 | ('time_range', 'Call time range', mi.TimeRange), | |
116 | ('out_of_range', 'System call out of range?', mi.Boolean), | |
117 | ('duration', 'Call duration', mi.Duration), | |
118 | ('syscall', 'System call', mi.Syscall), | |
119 | ('size', 'Read/write size', mi.Size), | |
120 | ('process', 'Process', mi.Process), | |
121 | ('path', 'File path', mi.Path), | |
122 | ('fd', 'File descriptor', mi.Fd), | |
123 | ] | |
124 | ), | |
125 | ( | |
126 | _MI_TABLE_CLASS_LOG, | |
127 | 'I/O operations log', [ | |
128 | ('time_range', 'Call time range', mi.TimeRange), | |
129 | ('out_of_range', 'System call out of range?', mi.Boolean), | |
130 | ('duration', 'Call duration', mi.Duration), | |
131 | ('syscall', 'System call', mi.Syscall), | |
132 | ('size', 'Read/write size', mi.Size), | |
133 | ('process', 'Process', mi.Process), | |
134 | ('path', 'File path', mi.Path), | |
135 | ('fd', 'File descriptor', mi.Fd), | |
136 | ] | |
137 | ), | |
138 | ( | |
139 | _MI_TABLE_CLASS_PER_PROCESS_TOP, | |
140 | 'Per-process top I/O operations', [ | |
141 | ('process', 'Process', mi.Process), | |
142 | ('size', 'Total operations size', mi.Size), | |
143 | ('disk_size', 'Disk operations size', mi.Size), | |
144 | ('net_size', 'Network operations size', mi.Size), | |
145 | ('unknown_size', 'Unknown operations size', mi.Size), | |
146 | ] | |
147 | ), | |
148 | ( | |
149 | _MI_TABLE_CLASS_PER_FILE_TOP, | |
150 | 'Per-file top I/O operations', [ | |
151 | ('path', 'File path/info', mi.Path), | |
152 | ('size', 'Operations size', mi.Size), | |
153 | ('fd_owners', 'File descriptor owners', mi.String), | |
154 | ] | |
155 | ), | |
156 | ( | |
157 | _MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, | |
158 | 'Per-process top block I/O operations', [ | |
159 | ('process', 'Process', mi.Process), | |
160 | ('size', 'Operations size', mi.Size), | |
161 | ] | |
162 | ), | |
163 | ( | |
164 | _MI_TABLE_CLASS_PER_DISK_TOP_SECTOR, | |
165 | 'Per-disk top sector I/O operations', [ | |
166 | ('disk', 'Disk', mi.Disk), | |
167 | ('count', 'Sector count', mi.Integer, 'sectors'), | |
168 | ] | |
169 | ), | |
170 | ( | |
171 | _MI_TABLE_CLASS_PER_DISK_TOP_REQUEST, | |
172 | 'Per-disk top I/O requests', [ | |
173 | ('disk', 'Disk', mi.Disk), | |
174 | ('count', 'Request count', mi.Integer, 'I/O requests'), | |
175 | ] | |
176 | ), | |
177 | ( | |
178 | _MI_TABLE_CLASS_PER_DISK_TOP_RTPS, | |
179 | 'Per-disk top I/O request time/sector', [ | |
180 | ('disk', 'Disk', mi.Disk), | |
181 | ('rtps', 'Request time/sector', mi.Duration), | |
182 | ] | |
183 | ), | |
184 | ( | |
185 | _MI_TABLE_CLASS_PER_NETIF_TOP, | |
186 | 'Per-network interface top I/O operations', [ | |
187 | ('netif', 'Network interface', mi.NetIf), | |
188 | ('size', 'Operations size', mi.Size), | |
189 | ] | |
190 | ), | |
191 | ] | |
ef49c8de AB |
192 | _LATENCY_STATS_FORMAT = '{:<14} {:>14} {:>14} {:>14} {:>14} {:>14}' |
193 | _SECTION_SEPARATOR_STRING = '-' * 89 | |
194 | ||
a0acc08c PP |
195 | def _analysis_tick(self, begin_ns, end_ns): |
196 | syscall_latency_stats_table = None | |
197 | disk_latency_stats_table = None | |
198 | freq_tables = None | |
199 | top_tables = None | |
200 | log_table = None | |
201 | usage_tables = None | |
202 | ||
203 | if self._args.stats: | |
204 | syscall_latency_stats_table, disk_latency_stats_table = \ | |
205 | self._get_latency_stats_result_tables(begin_ns, end_ns) | |
206 | ||
207 | if self._args.freq: | |
208 | freq_tables = self._get_freq_result_tables(begin_ns, end_ns) | |
209 | ||
210 | if self._args.usage: | |
211 | usage_tables = self._get_usage_result_tables(begin_ns, end_ns) | |
212 | ||
213 | if self._args.top: | |
214 | top_tables = self._get_top_result_tables(begin_ns, end_ns) | |
215 | ||
216 | if self._args.log: | |
217 | log_table = self._get_log_result_table(begin_ns, end_ns) | |
218 | ||
219 | if self._mi_mode: | |
220 | self._mi_append_result_tables([ | |
221 | log_table, | |
222 | syscall_latency_stats_table, | |
223 | disk_latency_stats_table, | |
224 | ]) | |
225 | self._mi_append_result_tables(top_tables) | |
226 | self._mi_append_result_tables(usage_tables) | |
227 | self._mi_append_result_tables(freq_tables) | |
228 | else: | |
229 | self._print_date(begin_ns, end_ns) | |
230 | ||
231 | if self._args.usage: | |
232 | self._print_usage(usage_tables) | |
233 | ||
234 | if self._args.stats: | |
235 | self._print_latency_stats(syscall_latency_stats_table, | |
236 | disk_latency_stats_table) | |
237 | ||
238 | if self._args.top: | |
239 | self._print_top(top_tables) | |
240 | ||
241 | if self._args.freq: | |
242 | self._print_freq(freq_tables) | |
243 | ||
244 | if self._args.log: | |
245 | self._print_log(log_table) | |
246 | ||
247 | def _create_summary_result_tables(self): | |
248 | # TODO: create a summary table here | |
249 | self._mi_clear_result_tables() | |
250 | ||
882fcd19 | 251 | # Filter predicates |
882fcd19 AB |
252 | def _filter_size(self, size): |
253 | if size is None: | |
254 | return True | |
b6d9132b | 255 | if self._args.maxsize is not None and size > self._args.maxsize: |
882fcd19 | 256 | return False |
b6d9132b | 257 | if self._args.minsize is not None and size < self._args.minsize: |
882fcd19 AB |
258 | return False |
259 | return True | |
260 | ||
261 | def _filter_latency(self, duration): | |
b6d9132b | 262 | if self._args.max is not None and duration > self._args.max: |
882fcd19 | 263 | return False |
b6d9132b | 264 | if self._args.min is not None and duration < self._args.min: |
882fcd19 AB |
265 | return False |
266 | return True | |
267 | ||
ef49c8de | 268 | def _filter_time_range(self, begin, end): |
b6d9132b AB |
269 | # Note: we only want to return False only when a request has |
270 | # ended and is completely outside the timerange (i.e. begun | |
271 | # after the end of the time range). | |
272 | return not (self._args.begin and self._args.end and end and | |
273 | begin > self._args.end) | |
ef49c8de AB |
274 | |
275 | def _filter_io_request(self, io_rq): | |
43b66dd6 | 276 | return self._filter_size(io_rq.size) and \ |
ef49c8de AB |
277 | self._filter_latency(io_rq.duration) and \ |
278 | self._filter_time_range(io_rq.begin_ts, io_rq.end_ts) | |
279 | ||
7e73fe34 | 280 | def _is_io_rq_out_of_range(self, io_rq): |
b6d9132b AB |
281 | return self._args.begin and io_rq.begin_ts < self._args.begin or \ |
282 | self._args.end and io_rq.end_ts > self._args.end | |
7e73fe34 | 283 | |
a0acc08c | 284 | def _append_per_proc_read_usage_row(self, proc_stats, result_table): |
a0acc08c PP |
285 | result_table.append_row( |
286 | process=mi.Process(proc_stats.comm, pid=proc_stats.pid, | |
287 | tid=proc_stats.tid), | |
288 | size=mi.Size(proc_stats.total_read), | |
f67842f8 AB |
289 | disk_size=mi.Size(proc_stats.disk_io.read), |
290 | net_size=mi.Size(proc_stats.net_io.read), | |
291 | unknown_size=mi.Size(proc_stats.unk_io.read), | |
a0acc08c | 292 | ) |
88cfa546 | 293 | |
a0acc08c | 294 | return True |
88cfa546 | 295 | |
a0acc08c | 296 | def _append_per_proc_write_usage_row(self, proc_stats, result_table): |
a0acc08c PP |
297 | result_table.append_row( |
298 | process=mi.Process(proc_stats.comm, pid=proc_stats.pid, | |
299 | tid=proc_stats.tid), | |
300 | size=mi.Size(proc_stats.total_write), | |
f67842f8 AB |
301 | disk_size=mi.Size(proc_stats.disk_io.write), |
302 | net_size=mi.Size(proc_stats.net_io.write), | |
303 | unknown_size=mi.Size(proc_stats.unk_io.write), | |
a0acc08c | 304 | ) |
91765fd2 | 305 | |
a0acc08c | 306 | return True |
91765fd2 | 307 | |
a0acc08c | 308 | def _append_per_proc_block_read_usage_row(self, proc_stats, result_table): |
f67842f8 | 309 | if proc_stats.block_io.read == 0: |
a0acc08c | 310 | return False |
91765fd2 | 311 | |
a0acc08c PP |
312 | if proc_stats.comm: |
313 | proc_name = proc_stats.comm | |
91765fd2 | 314 | else: |
a0acc08c | 315 | proc_name = None |
91765fd2 | 316 | |
a0acc08c PP |
317 | result_table.append_row( |
318 | process=mi.Process(proc_name, pid=proc_stats.pid, | |
319 | tid=proc_stats.tid), | |
f67842f8 | 320 | size=mi.Size(proc_stats.block_io.read), |
a0acc08c | 321 | ) |
91765fd2 | 322 | |
a0acc08c | 323 | return True |
91765fd2 | 324 | |
a0acc08c | 325 | def _append_per_proc_block_write_usage_row(self, proc_stats, result_table): |
f67842f8 | 326 | if proc_stats.block_io.write == 0: |
a0acc08c | 327 | return False |
91765fd2 | 328 | |
a0acc08c PP |
329 | if proc_stats.comm: |
330 | proc_name = proc_stats.comm | |
91765fd2 | 331 | else: |
a0acc08c | 332 | proc_name = None |
91765fd2 | 333 | |
a0acc08c PP |
334 | result_table.append_row( |
335 | process=mi.Process(proc_name, pid=proc_stats.pid, | |
336 | tid=proc_stats.tid), | |
f67842f8 | 337 | size=mi.Size(proc_stats.block_io.write), |
a0acc08c | 338 | ) |
91765fd2 | 339 | |
a0acc08c | 340 | return True |
91765fd2 | 341 | |
a0acc08c PP |
342 | def _append_disk_sector_usage_row(self, disk_stats, result_table): |
343 | if disk_stats.total_rq_sectors == 0: | |
91765fd2 AB |
344 | return None |
345 | ||
a0acc08c PP |
346 | result_table.append_row( |
347 | disk=mi.Disk(disk_stats.disk_name), | |
348 | count=mi.Integer(disk_stats.total_rq_sectors), | |
349 | ) | |
91765fd2 | 350 | |
a0acc08c | 351 | return True |
91765fd2 | 352 | |
a0acc08c PP |
353 | def _append_disk_request_usage_row(self, disk_stats, result_table): |
354 | if disk_stats.rq_count == 0: | |
355 | return False | |
91765fd2 | 356 | |
a0acc08c PP |
357 | result_table.append_row( |
358 | disk=mi.Disk(disk_stats.disk_name), | |
359 | count=mi.Integer(disk_stats.rq_count), | |
360 | ) | |
91765fd2 | 361 | |
a0acc08c | 362 | return True |
91765fd2 | 363 | |
a0acc08c PP |
364 | def _append_disk_rtps_usage_row(self, disk_stats, result_table): |
365 | if disk_stats.rq_count == 0: | |
366 | return False | |
91765fd2 | 367 | |
a0acc08c PP |
368 | avg_latency = (disk_stats.total_rq_duration / disk_stats.rq_count) |
369 | result_table.append_row( | |
370 | disk=mi.Disk(disk_stats.disk_name), | |
371 | rtps=mi.Duration(avg_latency), | |
372 | ) | |
91765fd2 | 373 | |
a0acc08c | 374 | return True |
91765fd2 | 375 | |
a0acc08c PP |
376 | def _append_netif_recv_usage_row(self, netif_stats, result_table): |
377 | result_table.append_row( | |
378 | netif=mi.NetIf(netif_stats.name), | |
379 | size=mi.Size(netif_stats.recv_bytes) | |
380 | ) | |
91765fd2 | 381 | |
a0acc08c | 382 | return True |
91765fd2 | 383 | |
a0acc08c PP |
384 | def _append_netif_send_usage_row(self, netif_stats, result_table): |
385 | result_table.append_row( | |
386 | netif=mi.NetIf(netif_stats.name), | |
387 | size=mi.Size(netif_stats.sent_bytes) | |
388 | ) | |
91765fd2 | 389 | |
a0acc08c | 390 | return True |
e0e5f1fd | 391 | |
a0acc08c | 392 | def _get_file_stats_fd_owners_str(self, file_stats): |
e0e5f1fd | 393 | fd_by_pid_str = '' |
a0acc08c | 394 | |
e0e5f1fd AB |
395 | for pid, fd in file_stats.fd_by_pid.items(): |
396 | comm = self._analysis.tids[pid].comm | |
397 | fd_by_pid_str += 'fd %d in %s (%s) ' % (fd, comm, pid) | |
398 | ||
a0acc08c PP |
399 | return fd_by_pid_str |
400 | ||
401 | def _append_file_read_usage_row(self, file_stats, result_table): | |
f67842f8 | 402 | if file_stats.io.read == 0: |
a0acc08c | 403 | return False |
e0e5f1fd | 404 | |
a0acc08c PP |
405 | fd_owners = self._get_file_stats_fd_owners_str(file_stats) |
406 | result_table.append_row( | |
407 | path=mi.Path(file_stats.filename), | |
f67842f8 | 408 | size=mi.Size(file_stats.io.read), |
a0acc08c PP |
409 | fd_owners=mi.String(fd_owners), |
410 | ) | |
411 | ||
412 | return True | |
e0e5f1fd | 413 | |
a0acc08c | 414 | def _append_file_write_usage_row(self, file_stats, result_table): |
f67842f8 | 415 | if file_stats.io.write == 0: |
a0acc08c | 416 | return False |
e0e5f1fd | 417 | |
a0acc08c PP |
418 | fd_owners = self._get_file_stats_fd_owners_str(file_stats) |
419 | result_table.append_row( | |
420 | path=mi.Path(file_stats.filename), | |
f67842f8 | 421 | size=mi.Size(file_stats.io.write), |
a0acc08c PP |
422 | fd_owners=mi.String(fd_owners), |
423 | ) | |
e0e5f1fd | 424 | |
a0acc08c | 425 | return True |
e0e5f1fd | 426 | |
650e7f57 AB |
427 | def _fill_usage_result_table(self, input_list, append_row_cb, |
428 | result_table): | |
a0acc08c PP |
429 | count = 0 |
430 | limit = self._args.limit | |
e0e5f1fd | 431 | |
a0acc08c PP |
432 | for elem in input_list: |
433 | if append_row_cb(elem, result_table): | |
434 | count += 1 | |
435 | ||
436 | if limit is not None and count >= limit: | |
437 | break | |
438 | ||
439 | def _fill_per_process_read_usage_result_table(self, result_table): | |
91765fd2 AB |
440 | input_list = sorted(self._analysis.tids.values(), |
441 | key=operator.attrgetter('total_read'), | |
442 | reverse=True) | |
a0acc08c PP |
443 | self._fill_usage_result_table(input_list, |
444 | self._append_per_proc_read_usage_row, | |
445 | result_table) | |
91765fd2 | 446 | |
a0acc08c | 447 | def _fill_per_process_write_usage_result_table(self, result_table): |
91765fd2 AB |
448 | input_list = sorted(self._analysis.tids.values(), |
449 | key=operator.attrgetter('total_write'), | |
450 | reverse=True) | |
a0acc08c PP |
451 | self._fill_usage_result_table(input_list, |
452 | self._append_per_proc_write_usage_row, | |
453 | result_table) | |
91765fd2 | 454 | |
a0acc08c | 455 | def _fill_per_process_block_read_usage_result_table(self, result_table): |
91765fd2 | 456 | input_list = sorted(self._analysis.tids.values(), |
f67842f8 | 457 | key=operator.attrgetter('block_io.read'), |
91765fd2 | 458 | reverse=True) |
650e7f57 AB |
459 | self._fill_usage_result_table( |
460 | input_list, self._append_per_proc_block_read_usage_row, | |
461 | result_table) | |
91765fd2 | 462 | |
a0acc08c | 463 | def _fill_per_process_block_write_usage_result_table(self, result_table): |
91765fd2 | 464 | input_list = sorted(self._analysis.tids.values(), |
f67842f8 | 465 | key=operator.attrgetter('block_io.write'), |
91765fd2 | 466 | reverse=True) |
650e7f57 AB |
467 | self._fill_usage_result_table( |
468 | input_list, self._append_per_proc_block_write_usage_row, | |
469 | result_table) | |
91765fd2 | 470 | |
a0acc08c | 471 | def _fill_disk_sector_usage_result_table(self, result_table): |
91765fd2 AB |
472 | input_list = sorted(self._analysis.disks.values(), |
473 | key=operator.attrgetter('total_rq_sectors'), | |
474 | reverse=True) | |
a0acc08c PP |
475 | self._fill_usage_result_table(input_list, |
476 | self._append_disk_sector_usage_row, | |
477 | result_table) | |
91765fd2 | 478 | |
a0acc08c | 479 | def _fill_disk_request_usage_result_table(self, result_table): |
91765fd2 AB |
480 | input_list = sorted(self._analysis.disks.values(), |
481 | key=operator.attrgetter('rq_count'), | |
482 | reverse=True) | |
a0acc08c PP |
483 | self._fill_usage_result_table(input_list, |
484 | self._append_disk_request_usage_row, | |
485 | result_table) | |
91765fd2 | 486 | |
a0acc08c | 487 | def _fill_disk_rtps_usage_result_table(self, result_table): |
91765fd2 | 488 | input_list = self._analysis.disks.values() |
a0acc08c PP |
489 | self._fill_usage_result_table(input_list, |
490 | self._append_disk_rtps_usage_row, | |
491 | result_table) | |
91765fd2 | 492 | |
a0acc08c | 493 | def _fill_netif_recv_usage_result_table(self, result_table): |
91765fd2 AB |
494 | input_list = sorted(self._analysis.ifaces.values(), |
495 | key=operator.attrgetter('recv_bytes'), | |
496 | reverse=True) | |
a0acc08c PP |
497 | self._fill_usage_result_table(input_list, |
498 | self._append_netif_recv_usage_row, | |
499 | result_table) | |
91765fd2 | 500 | |
a0acc08c | 501 | def _fill_netif_send_usage_result_table(self, result_table): |
91765fd2 AB |
502 | input_list = sorted(self._analysis.ifaces.values(), |
503 | key=operator.attrgetter('sent_bytes'), | |
504 | reverse=True) | |
a0acc08c PP |
505 | self._fill_usage_result_table(input_list, |
506 | self._append_netif_send_usage_row, | |
507 | result_table) | |
91765fd2 | 508 | |
a0acc08c | 509 | def _fill_file_read_usage_result_table(self, files, result_table): |
e0e5f1fd | 510 | input_list = sorted(files.values(), |
f67842f8 | 511 | key=lambda file_stats: file_stats.io.read, |
e0e5f1fd | 512 | reverse=True) |
a0acc08c PP |
513 | self._fill_usage_result_table(input_list, |
514 | self._append_file_read_usage_row, | |
515 | result_table) | |
a9c9a2a6 | 516 | |
a0acc08c | 517 | def _fill_file_write_usage_result_table(self, files, result_table): |
e0e5f1fd | 518 | input_list = sorted(files.values(), |
f67842f8 | 519 | key=lambda file_stats: file_stats.io.write, |
e0e5f1fd | 520 | reverse=True) |
a0acc08c PP |
521 | self._fill_usage_result_table(input_list, |
522 | self._append_file_write_usage_row, | |
523 | result_table) | |
a9c9a2a6 | 524 | |
a0acc08c | 525 | def _fill_file_usage_result_tables(self, read_table, write_table): |
b9f05f8d | 526 | files = self._analysis.get_files_stats() |
a0acc08c PP |
527 | self._fill_file_read_usage_result_table(files, read_table) |
528 | self._fill_file_write_usage_result_table(files, write_table) | |
529 | ||
530 | def _get_usage_result_tables(self, begin, end): | |
531 | # create result tables | |
650e7f57 AB |
532 | per_proc_read_table = self._mi_create_result_table( |
533 | self._MI_TABLE_CLASS_PER_PROCESS_TOP, begin, end, 'read') | |
534 | per_proc_write_table = self._mi_create_result_table( | |
535 | self._MI_TABLE_CLASS_PER_PROCESS_TOP, begin, end, 'written') | |
536 | per_file_read_table = self._mi_create_result_table( | |
537 | self._MI_TABLE_CLASS_PER_FILE_TOP, begin, end, 'read') | |
538 | per_file_write_table = self._mi_create_result_table( | |
539 | self._MI_TABLE_CLASS_PER_FILE_TOP, begin, end, 'written') | |
540 | per_proc_block_read_table = self._mi_create_result_table( | |
541 | self._MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, begin, end, 'read') | |
542 | per_proc_block_write_table = self._mi_create_result_table( | |
543 | self._MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, begin, end, 'written') | |
544 | per_disk_sector_table = self._mi_create_result_table( | |
545 | self._MI_TABLE_CLASS_PER_DISK_TOP_SECTOR, begin, end) | |
546 | per_disk_request_table = self._mi_create_result_table( | |
547 | self._MI_TABLE_CLASS_PER_DISK_TOP_REQUEST, begin, end) | |
548 | per_disk_rtps_table = self._mi_create_result_table( | |
549 | self._MI_TABLE_CLASS_PER_DISK_TOP_RTPS, begin, end) | |
550 | per_netif_recv_table = self._mi_create_result_table( | |
551 | self._MI_TABLE_CLASS_PER_NETIF_TOP, begin, end, 'received') | |
552 | per_netif_send_table = self._mi_create_result_table( | |
553 | self._MI_TABLE_CLASS_PER_NETIF_TOP, begin, end, 'sent') | |
a0acc08c PP |
554 | |
555 | # fill result tables | |
556 | self._fill_per_process_read_usage_result_table(per_proc_read_table) | |
557 | self._fill_per_process_write_usage_result_table(per_proc_write_table) | |
558 | self._fill_file_usage_result_tables(per_file_read_table, | |
559 | per_file_write_table) | |
650e7f57 AB |
560 | self._fill_per_process_block_read_usage_result_table( |
561 | per_proc_block_read_table) | |
92b29247 | 562 | self._fill_per_process_block_write_usage_result_table( |
650e7f57 | 563 | per_proc_block_write_table) |
a0acc08c PP |
564 | self._fill_disk_sector_usage_result_table(per_disk_sector_table) |
565 | self._fill_disk_request_usage_result_table(per_disk_request_table) | |
566 | self._fill_disk_rtps_usage_result_table(per_disk_rtps_table) | |
567 | self._fill_netif_recv_usage_result_table(per_netif_recv_table) | |
568 | self._fill_netif_send_usage_result_table(per_netif_send_table) | |
569 | ||
570 | return _UsageTables( | |
571 | per_proc_read=per_proc_read_table, | |
572 | per_proc_write=per_proc_write_table, | |
573 | per_file_read=per_file_read_table, | |
574 | per_file_write=per_file_write_table, | |
575 | per_proc_block_read=per_proc_block_read_table, | |
576 | per_proc_block_write=per_proc_block_write_table, | |
577 | per_disk_sector=per_disk_sector_table, | |
578 | per_disk_request=per_disk_request_table, | |
579 | per_disk_rtps=per_disk_rtps_table, | |
580 | per_netif_recv=per_netif_recv_table, | |
581 | per_netif_send=per_netif_send_table, | |
582 | ) | |
583 | ||
8400227b AB |
584 | def _print_per_proc_io(self, result_table, title): |
585 | header_format = '{:<25} {:<10} {:<10} {:<10}' | |
586 | label_header = header_format.format( | |
587 | 'Process', 'Disk', 'Net', 'Unknown' | |
588 | ) | |
a0acc08c | 589 | |
8400227b AB |
590 | def get_label(row): |
591 | label_format = '{:<25} {:>10} {:>10} {:>10}' | |
592 | if row.process.pid is None: | |
593 | pid_str = 'unknown (tid=%d)' % (row.process.tid) | |
594 | else: | |
595 | pid_str = str(row.process.pid) | |
a0acc08c | 596 | |
8400227b AB |
597 | label = label_format.format( |
598 | '%s (%s)' % (row.process.name, pid_str), | |
599 | format_utils.format_size(row.disk_size.value), | |
600 | format_utils.format_size(row.net_size.value), | |
601 | format_utils.format_size(row.unknown_size.value) | |
602 | ) | |
a0acc08c | 603 | |
8400227b | 604 | return label |
a0acc08c | 605 | |
8400227b AB |
606 | graph = termgraph.BarGraph( |
607 | title='Per-process I/O ' + title, | |
608 | label_header=label_header, | |
609 | get_value=lambda row: row.size.value, | |
610 | get_value_str=format_utils.format_size, | |
611 | get_label=get_label, | |
612 | data=result_table.rows | |
613 | ) | |
a0acc08c | 614 | |
8400227b | 615 | graph.print_graph() |
a0acc08c | 616 | |
8400227b AB |
617 | def _print_per_proc_block_io(self, result_table, title): |
618 | def get_label(row): | |
619 | proc_name = row.process.name | |
a0acc08c | 620 | |
8400227b AB |
621 | if not proc_name: |
622 | proc_name = 'unknown' | |
a0acc08c | 623 | |
8400227b AB |
624 | if row.process.pid is None: |
625 | pid_str = 'unknown (tid={})'.format(row.process.tid) | |
626 | else: | |
627 | pid_str = str(row.process.pid) | |
a0acc08c | 628 | |
8400227b | 629 | return '{} (pid={})'.format(proc_name, pid_str) |
a0acc08c | 630 | |
8400227b AB |
631 | graph = termgraph.BarGraph( |
632 | title='Block I/O ' + title, | |
633 | label_header='Process', | |
634 | get_value=lambda row: row.size.value, | |
635 | get_value_str=format_utils.format_size, | |
636 | get_label=get_label, | |
637 | data=result_table.rows | |
638 | ) | |
a0acc08c | 639 | |
8400227b | 640 | graph.print_graph() |
a0acc08c | 641 | |
8400227b AB |
642 | def _print_per_disk_sector(self, result_table): |
643 | graph = termgraph.BarGraph( | |
644 | title='Disk Requests Sector Count', | |
645 | label_header='Disk', | |
646 | unit='sectors', | |
647 | get_value=lambda row: row.count.value, | |
648 | get_label=lambda row: row.disk.name, | |
649 | data=result_table.rows | |
650 | ) | |
a0acc08c | 651 | |
8400227b | 652 | graph.print_graph() |
a0acc08c | 653 | |
8400227b AB |
654 | def _print_per_disk_request(self, result_table): |
655 | graph = termgraph.BarGraph( | |
656 | title='Disk Request Count', | |
657 | label_header='Disk', | |
658 | unit='requests', | |
659 | get_value=lambda row: row.count.value, | |
660 | get_label=lambda row: row.disk.name, | |
661 | data=result_table.rows | |
662 | ) | |
a0acc08c | 663 | |
8400227b | 664 | graph.print_graph() |
a0acc08c | 665 | |
8400227b AB |
666 | def _print_per_disk_rtps(self, result_table): |
667 | graph = termgraph.BarGraph( | |
668 | title='Disk Request Average Latency', | |
669 | label_header='Disk', | |
670 | unit='ms', | |
671 | get_value=lambda row: row.rtps.value / common.NSEC_PER_MSEC, | |
672 | get_label=lambda row: row.disk.name, | |
673 | data=result_table.rows | |
674 | ) | |
a0acc08c | 675 | |
8400227b | 676 | graph.print_graph() |
a0acc08c | 677 | |
8400227b AB |
678 | def _print_per_netif_io(self, result_table, title): |
679 | graph = termgraph.BarGraph( | |
680 | title='Network ' + title + ' Bytes', | |
681 | label_header='Interface', | |
682 | get_value=lambda row: row.size.value, | |
683 | get_value_str=format_utils.format_size, | |
684 | get_label=lambda row: row.netif.name, | |
685 | data=result_table.rows | |
686 | ) | |
a0acc08c | 687 | |
8400227b AB |
688 | graph.print_graph() |
689 | ||
690 | def _print_per_file_io(self, result_table, title): | |
691 | # FIXME add option to show FD owners | |
692 | # FIXME why are read and write values the same? | |
693 | graph = termgraph.BarGraph( | |
694 | title='Per-file I/O ' + title, | |
695 | label_header='Path', | |
696 | get_value=lambda row: row.size.value, | |
697 | get_value_str=format_utils.format_size, | |
698 | get_label=lambda row: row.path.path, | |
699 | data=result_table.rows | |
700 | ) | |
a0acc08c | 701 | |
8400227b | 702 | graph.print_graph() |
a0acc08c PP |
703 | |
704 | def _print_usage(self, usage_tables): | |
8400227b AB |
705 | self._print_per_proc_io(usage_tables.per_proc_read, 'Read') |
706 | self._print_per_proc_io(usage_tables.per_proc_write, 'Write') | |
707 | self._print_per_file_io(usage_tables.per_file_read, 'Read') | |
708 | self._print_per_file_io(usage_tables.per_file_write, 'Write') | |
709 | self._print_per_proc_block_io(usage_tables.per_proc_block_read, 'Read') | |
710 | self._print_per_proc_block_io( | |
711 | usage_tables.per_proc_block_write, 'Write' | |
712 | ) | |
a0acc08c PP |
713 | self._print_per_disk_sector(usage_tables.per_disk_sector) |
714 | self._print_per_disk_request(usage_tables.per_disk_request) | |
715 | self._print_per_disk_rtps(usage_tables.per_disk_rtps) | |
8400227b AB |
716 | self._print_per_netif_io(usage_tables.per_netif_recv, 'Received') |
717 | self._print_per_netif_io(usage_tables.per_netif_send, 'Sent') | |
a0acc08c PP |
718 | |
719 | def _fill_freq_result_table(self, duration_list, result_table): | |
9ac03ff5 AB |
720 | if not duration_list: |
721 | return | |
722 | ||
723 | # The number of bins for the histogram | |
b6d9132b | 724 | resolution = self._args.freq_resolution |
9ac03ff5 AB |
725 | |
726 | min_duration = min(duration_list) | |
727 | max_duration = max(duration_list) | |
728 | # ns to µs | |
729 | min_duration /= 1000 | |
730 | max_duration /= 1000 | |
731 | ||
732 | step = (max_duration - min_duration) / resolution | |
a0acc08c | 733 | |
a9c9a2a6 JD |
734 | if step == 0: |
735 | return | |
9ac03ff5 | 736 | |
a9c9a2a6 JD |
737 | buckets = [] |
738 | values = [] | |
a0acc08c | 739 | |
9ac03ff5 | 740 | for i in range(resolution): |
a9c9a2a6 JD |
741 | buckets.append(i * step) |
742 | values.append(0) | |
a0acc08c | 743 | |
9ac03ff5 AB |
744 | for duration in duration_list: |
745 | duration /= 1000 | |
746 | index = min(int((duration - min_duration) / step), resolution - 1) | |
747 | values[index] += 1 | |
748 | ||
9ac03ff5 | 749 | for index, value in enumerate(values): |
a0acc08c PP |
750 | result_table.append_row( |
751 | latency_lower=mi.Duration.from_us(index * step + min_duration), | |
650e7f57 AB |
752 | latency_upper=mi.Duration.from_us((index + 1) * step + |
753 | min_duration), | |
a0acc08c PP |
754 | count=mi.Integer(value), |
755 | ) | |
756 | ||
757 | def _get_disk_freq_result_tables(self, begin, end): | |
758 | result_tables = [] | |
759 | ||
760 | for disk in self._analysis.disks.values(): | |
761 | rq_durations = [rq.duration for rq in disk.rq_list if | |
762 | self._filter_io_request(rq)] | |
763 | subtitle = 'disk: {}'.format(disk.disk_name) | |
764 | result_table = \ | |
765 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
766 | begin, end, subtitle) | |
767 | self._fill_freq_result_table(rq_durations, result_table) | |
768 | result_tables.append(result_table) | |
769 | ||
770 | return result_tables | |
771 | ||
772 | def _get_syscall_freq_result_tables(self, begin, end): | |
773 | open_table = \ | |
774 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
775 | begin, end, 'open') | |
776 | read_table = \ | |
777 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
778 | begin, end, 'read') | |
779 | write_table = \ | |
780 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
781 | begin, end, 'write') | |
782 | sync_table = \ | |
783 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
784 | begin, end, 'sync') | |
785 | self._fill_freq_result_table([io_rq.duration for io_rq in | |
786 | self._analysis.open_io_requests if | |
787 | self._filter_io_request(io_rq)], | |
650e7f57 | 788 | open_table) |
a0acc08c PP |
789 | self._fill_freq_result_table([io_rq.duration for io_rq in |
790 | self._analysis.read_io_requests if | |
791 | self._filter_io_request(io_rq)], | |
650e7f57 | 792 | read_table) |
a0acc08c PP |
793 | self._fill_freq_result_table([io_rq.duration for io_rq in |
794 | self._analysis.write_io_requests if | |
795 | self._filter_io_request(io_rq)], | |
650e7f57 | 796 | write_table) |
a0acc08c PP |
797 | self._fill_freq_result_table([io_rq.duration for io_rq in |
798 | self._analysis.sync_io_requests if | |
799 | self._filter_io_request(io_rq)], | |
650e7f57 | 800 | sync_table) |
a0acc08c PP |
801 | |
802 | return [open_table, read_table, write_table, sync_table] | |
803 | ||
804 | def _get_freq_result_tables(self, begin, end): | |
805 | syscall_tables = self._get_syscall_freq_result_tables(begin, end) | |
806 | disk_tables = self._get_disk_freq_result_tables(begin, end) | |
807 | ||
808 | return syscall_tables + disk_tables | |
809 | ||
810 | def _print_one_freq(self, result_table): | |
74fd1623 AB |
811 | graph = termgraph.FreqGraph( |
812 | data=result_table.rows, | |
813 | get_value=lambda row: row.count.value, | |
814 | get_lower_bound=lambda row: row.latency_lower.to_us(), | |
815 | title='{} {}'.format(result_table.title, result_table.subtitle), | |
816 | unit='µs' | |
9ac03ff5 AB |
817 | ) |
818 | ||
74fd1623 | 819 | graph.print_graph() |
9ac03ff5 | 820 | |
a0acc08c PP |
821 | def _print_freq(self, freq_tables): |
822 | for freq_table in freq_tables: | |
823 | self._print_one_freq(freq_table) | |
7e73fe34 | 824 | |
a0acc08c | 825 | def _append_log_row(self, io_rq, result_table): |
7e73fe34 | 826 | if io_rq.size is None: |
a0acc08c | 827 | size = mi.Empty() |
7e73fe34 | 828 | else: |
a0acc08c | 829 | size = mi.Size(io_rq.size) |
7e73fe34 AB |
830 | |
831 | tid = io_rq.tid | |
832 | proc_stats = self._analysis.tids[tid] | |
a0acc08c | 833 | proc_name = proc_stats.comm |
7e73fe34 AB |
834 | |
835 | # TODO: handle fd_in/fd_out for RW type operations | |
836 | if io_rq.fd is None: | |
a0acc08c PP |
837 | path = mi.Empty() |
838 | fd = mi.Empty() | |
7e73fe34 | 839 | else: |
a0acc08c | 840 | fd = mi.Fd(io_rq.fd) |
7e73fe34 | 841 | parent_proc = proc_stats |
a0acc08c | 842 | |
7e73fe34 AB |
843 | if parent_proc.pid is not None: |
844 | parent_proc = self._analysis.tids[parent_proc.pid] | |
845 | ||
a0acc08c PP |
846 | fd_stats = parent_proc.get_fd(io_rq.fd, io_rq.end_ts) |
847 | ||
7e73fe34 | 848 | if fd_stats is not None: |
a0acc08c | 849 | path = mi.Path(fd_stats.filename) |
7e73fe34 | 850 | else: |
a0acc08c PP |
851 | path = mi.Unknown() |
852 | ||
853 | result_table.append_row( | |
854 | time_range=mi.TimeRange(io_rq.begin_ts, io_rq.end_ts), | |
855 | out_of_range=mi.Boolean(self._is_io_rq_out_of_range(io_rq)), | |
856 | duration=mi.Duration(io_rq.duration), | |
857 | syscall=mi.Syscall(io_rq.syscall_name), | |
858 | size=size, | |
859 | process=mi.Process(proc_name, tid=tid), | |
860 | path=path, | |
861 | fd=fd, | |
862 | ) | |
863 | ||
864 | def _fill_log_result_table(self, rq_list, sort_key, is_top, result_table): | |
865 | if not rq_list: | |
866 | return | |
867 | ||
868 | count = 0 | |
7e73fe34 | 869 | |
a0acc08c PP |
870 | for io_rq in sorted(rq_list, key=operator.attrgetter(sort_key), |
871 | reverse=is_top): | |
872 | if is_top and count > self._args.limit: | |
873 | break | |
874 | ||
875 | self._append_log_row(io_rq, result_table) | |
876 | count += 1 | |
877 | ||
878 | def _fill_log_result_table_from_io_requests(self, io_requests, sort_key, | |
879 | is_top, result_table): | |
880 | io_requests = [io_rq for io_rq in io_requests if | |
881 | self._filter_io_request(io_rq)] | |
650e7f57 AB |
882 | self._fill_log_result_table(io_requests, sort_key, is_top, |
883 | result_table) | |
a0acc08c PP |
884 | |
885 | def _get_top_result_tables(self, begin, end): | |
886 | open_table = \ | |
887 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
888 | begin, end, 'open') | |
889 | read_table = \ | |
890 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
891 | begin, end, 'read') | |
892 | write_table = \ | |
893 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
894 | begin, end, 'write') | |
895 | sync_table = \ | |
896 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
897 | begin, end, 'sync') | |
898 | self._fill_log_result_table_from_io_requests( | |
899 | self._analysis.open_io_requests, 'duration', True, open_table) | |
900 | self._fill_log_result_table_from_io_requests( | |
901 | self._analysis.read_io_requests, 'duration', True, read_table) | |
902 | self._fill_log_result_table_from_io_requests( | |
903 | self._analysis.write_io_requests, 'duration', True, write_table) | |
904 | self._fill_log_result_table_from_io_requests( | |
905 | self._analysis.sync_io_requests, 'duration', True, sync_table) | |
906 | ||
907 | return [open_table, read_table, write_table, sync_table] | |
908 | ||
909 | def _print_log_row(self, row): | |
910 | fmt = '{:<40} {:<16} {:>16} {:>11} {:<24} {:<8} {:<14}' | |
911 | begin_time = common.ns_to_hour_nsec(row.time_range.begin, | |
912 | self._args.multi_day, | |
913 | self._args.gmt) | |
914 | end_time = common.ns_to_hour_nsec(row.time_range.end, | |
915 | self._args.multi_day, | |
916 | self._args.gmt) | |
917 | time_range_str = '[' + begin_time + ',' + end_time + ']' | |
918 | duration_str = '%0.03f' % row.duration.to_us() | |
7e73fe34 | 919 | |
a0acc08c PP |
920 | if type(row.size) is mi.Empty: |
921 | size = 'N/A' | |
922 | else: | |
8400227b | 923 | size = format_utils.format_size(row.size.value) |
a0acc08c PP |
924 | |
925 | tid = row.process.tid | |
926 | proc_name = row.process.name | |
927 | ||
928 | if type(row.fd) is mi.Empty: | |
929 | file_str = 'N/A' | |
930 | else: | |
931 | if type(row.path) is mi.Unknown: | |
932 | path = 'unknown' | |
933 | else: | |
934 | path = row.path.path | |
935 | ||
936 | file_str = '%s (fd=%s)' % (path, row.fd.fd) | |
937 | ||
938 | if row.out_of_range.value: | |
7e73fe34 AB |
939 | time_range_str += '*' |
940 | duration_str += '*' | |
941 | else: | |
942 | time_range_str += ' ' | |
943 | duration_str += ' ' | |
944 | ||
a0acc08c PP |
945 | print(fmt.format(time_range_str, row.syscall.name, duration_str, |
946 | size, proc_name, tid, file_str)) | |
7e73fe34 | 947 | |
a0acc08c PP |
948 | def _print_log(self, result_table): |
949 | if not result_table.rows: | |
a9c9a2a6 | 950 | return |
7e73fe34 | 951 | |
7e73fe34 AB |
952 | has_out_of_range_rq = False |
953 | ||
954 | print() | |
a0acc08c PP |
955 | fmt = '{} {} (usec)' |
956 | print(fmt.format(result_table.title, result_table.subtitle)) | |
7e73fe34 AB |
957 | header_fmt = '{:<19} {:<20} {:<16} {:<23} {:<5} {:<24} {:<8} {:<14}' |
958 | print(header_fmt.format( | |
959 | 'Begin', 'End', 'Name', 'Duration (usec)', 'Size', 'Proc', 'PID', | |
960 | 'Filename')) | |
961 | ||
a0acc08c PP |
962 | for row in result_table.rows: |
963 | self._print_log_row(row) | |
7e73fe34 | 964 | |
a0acc08c | 965 | if not has_out_of_range_rq and row.out_of_range.value: |
7e73fe34 AB |
966 | has_out_of_range_rq = True |
967 | ||
7e73fe34 | 968 | if has_out_of_range_rq: |
73b71522 AB |
969 | print('*: Syscalls started and/or completed outside of the ' |
970 | 'range specified') | |
a9c9a2a6 | 971 | |
a0acc08c PP |
972 | def _print_top(self, top_tables): |
973 | for table in top_tables: | |
974 | self._print_log(table) | |
975 | ||
976 | def _get_log_result_table(self, begin, end): | |
977 | log_table = self._mi_create_result_table(self._MI_TABLE_CLASS_LOG, | |
978 | begin, end) | |
979 | self._fill_log_result_table_from_io_requests( | |
980 | self._analysis.io_requests, 'begin_ts', False, log_table) | |
981 | ||
982 | return log_table | |
983 | ||
984 | def _append_latency_stats_row(self, obj, rq_durations, result_table): | |
a205a2b4 JD |
985 | rq_count = len(rq_durations) |
986 | total_duration = sum(rq_durations) | |
a0acc08c | 987 | |
a205a2b4 JD |
988 | if len(rq_durations) > 0: |
989 | min_duration = min(rq_durations) | |
990 | max_duration = max(rq_durations) | |
991 | else: | |
992 | min_duration = 0 | |
993 | max_duration = 0 | |
994 | ||
ef49c8de | 995 | if rq_count < 2: |
a0acc08c | 996 | stdev = mi.Unknown() |
ef49c8de | 997 | else: |
a0acc08c | 998 | stdev = mi.Duration(statistics.stdev(rq_durations)) |
ef49c8de | 999 | |
d872de29 | 1000 | if rq_count > 0: |
a0acc08c | 1001 | avg = total_duration / rq_count |
d872de29 | 1002 | else: |
a0acc08c PP |
1003 | avg = 0 |
1004 | ||
1005 | result_table.append_row( | |
1006 | obj=obj, | |
1007 | count=mi.Integer(rq_count), | |
1008 | min_latency=mi.Duration(min_duration), | |
1009 | avg_latency=mi.Duration(avg), | |
1010 | max_latency=mi.Duration(max_duration), | |
1011 | stdev_latency=stdev, | |
1012 | ) | |
ef49c8de | 1013 | |
a0acc08c PP |
1014 | def _append_latency_stats_row_from_requests(self, obj, io_requests, |
1015 | result_table): | |
ef49c8de AB |
1016 | rq_durations = [io_rq.duration for io_rq in io_requests if |
1017 | self._filter_io_request(io_rq)] | |
a0acc08c PP |
1018 | self._append_latency_stats_row(obj, rq_durations, result_table) |
1019 | ||
1020 | def _get_syscall_latency_stats_result_table(self, begin, end): | |
650e7f57 AB |
1021 | result_table = self._mi_create_result_table( |
1022 | self._MI_TABLE_CLASS_SYSCALL_LATENCY_STATS, begin, end) | |
a0acc08c PP |
1023 | append_fn = self._append_latency_stats_row_from_requests |
1024 | append_fn(mi.String('Open'), self._analysis.open_io_requests, | |
1025 | result_table) | |
1026 | append_fn(mi.String('Read'), self._analysis.read_io_requests, | |
1027 | result_table) | |
1028 | append_fn(mi.String('Write'), self._analysis.write_io_requests, | |
1029 | result_table) | |
1030 | append_fn(mi.String('Sync'), self._analysis.sync_io_requests, | |
1031 | result_table) | |
1032 | ||
1033 | return result_table | |
1034 | ||
1035 | def _get_disk_latency_stats_result_table(self, begin, end): | |
1036 | if not self._analysis.disks: | |
1037 | return | |
1038 | ||
650e7f57 AB |
1039 | result_table = self._mi_create_result_table( |
1040 | self._MI_TABLE_CLASS_PART_LATENCY_STATS, begin, end) | |
a0acc08c PP |
1041 | |
1042 | for disk in self._analysis.disks.values(): | |
1043 | if disk.rq_count: | |
1044 | rq_durations = [rq.duration for rq in disk.rq_list if | |
1045 | self._filter_io_request(rq)] | |
1046 | disk = mi.Disk(disk.disk_name) | |
650e7f57 AB |
1047 | self._append_latency_stats_row(disk, rq_durations, |
1048 | result_table) | |
a0acc08c PP |
1049 | |
1050 | return result_table | |
1051 | ||
1052 | def _get_latency_stats_result_tables(self, begin, end): | |
1053 | syscall_tbl = self._get_syscall_latency_stats_result_table(begin, end) | |
1054 | disk_tbl = self._get_disk_latency_stats_result_table(begin, end) | |
1055 | ||
1056 | return syscall_tbl, disk_tbl | |
ef49c8de | 1057 | |
a0acc08c PP |
1058 | def _print_latency_stats_row(self, row): |
1059 | if type(row.stdev_latency) is mi.Unknown: | |
1060 | stdev = '?' | |
1061 | else: | |
1062 | stdev = '%0.03f' % row.stdev_latency.to_us() | |
1063 | ||
1064 | avg = '%0.03f' % row.avg_latency.to_us() | |
1065 | min_duration = '%0.03f' % row.min_latency.to_us() | |
1066 | max_duration = '%0.03f' % row.max_latency.to_us() | |
1067 | ||
1068 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1069 | str(row.obj), row.count.value, min_duration, | |
1070 | avg, max_duration, stdev)) | |
1071 | ||
1072 | def _print_syscall_latency_stats(self, stats_table): | |
ef49c8de AB |
1073 | print('\nSyscalls latency statistics (usec):') |
1074 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1075 | 'Type', 'Count', 'Min', 'Average', 'Max', 'Stdev')) | |
1076 | print(IoAnalysisCommand._SECTION_SEPARATOR_STRING) | |
1077 | ||
a0acc08c PP |
1078 | for row in stats_table.rows: |
1079 | self._print_latency_stats_row(row) | |
ef49c8de | 1080 | |
a0acc08c PP |
1081 | def _print_disk_latency_stats(self, stats_table): |
1082 | if not stats_table.rows: | |
a9c9a2a6 | 1083 | return |
a9c9a2a6 | 1084 | |
ef49c8de AB |
1085 | print('\nDisk latency statistics (usec):') |
1086 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1087 | 'Name', 'Count', 'Min', 'Average', 'Max', 'Stdev')) | |
1088 | print(IoAnalysisCommand._SECTION_SEPARATOR_STRING) | |
1089 | ||
a0acc08c PP |
1090 | for row in stats_table.rows: |
1091 | self._print_latency_stats_row(row) | |
a9c9a2a6 | 1092 | |
a0acc08c PP |
1093 | def _print_latency_stats(self, syscall_latency_stats_table, |
1094 | disk_latency_stats_table): | |
1095 | self._print_syscall_latency_stats(syscall_latency_stats_table) | |
1096 | self._print_disk_latency_stats(disk_latency_stats_table) | |
a9c9a2a6 | 1097 | |
a9c9a2a6 | 1098 | def _add_arguments(self, ap): |
b6d9132b AB |
1099 | Command._add_proc_filter_args(ap) |
1100 | Command._add_min_max_args(ap) | |
1101 | Command._add_log_args( | |
1102 | ap, help='Output the I/O requests in chronological order') | |
b9f05f8d AB |
1103 | Command._add_top_args( |
1104 | ap, help='Output the top I/O latencies by category') | |
b6d9132b AB |
1105 | Command._add_stats_args(ap, help='Output the I/O latency statistics') |
1106 | Command._add_freq_args( | |
1107 | ap, help='Output the I/O latency frequency distribution') | |
73b71522 | 1108 | ap.add_argument('--usage', action='store_true', |
b6d9132b AB |
1109 | help='Output the I/O usage') |
1110 | ap.add_argument('--minsize', type=float, | |
1111 | help='Filter out, I/O operations working with ' | |
1112 | 'less that minsize bytes') | |
1113 | ap.add_argument('--maxsize', type=float, | |
1114 | help='Filter out, I/O operations working with ' | |
1115 | 'more that maxsize bytes') | |
b6d9132b AB |
1116 | |
1117 | ||
a0acc08c PP |
1118 | def _run(mi_mode): |
1119 | iocmd = IoAnalysisCommand(mi_mode=mi_mode) | |
b6d9132b | 1120 | iocmd.run() |
1c0f0e3c | 1121 | |
a9c9a2a6 | 1122 | |
a0acc08c PP |
1123 | def _runstats(mi_mode): |
1124 | sys.argv.insert(1, '--stats') | |
1125 | _run(mi_mode) | |
1126 | ||
1127 | ||
1128 | def _runlog(mi_mode): | |
1129 | sys.argv.insert(1, '--log') | |
1130 | _run(mi_mode) | |
1131 | ||
1132 | ||
1133 | def _runfreq(mi_mode): | |
1134 | sys.argv.insert(1, '--freq') | |
1135 | _run(mi_mode) | |
1136 | ||
1137 | ||
1138 | def _runlatencytop(mi_mode): | |
b6d9132b | 1139 | sys.argv.insert(1, '--top') |
a0acc08c PP |
1140 | _run(mi_mode) |
1141 | ||
1142 | ||
1143 | def _runusage(mi_mode): | |
1144 | sys.argv.insert(1, '--usage') | |
1145 | _run(mi_mode) | |
1146 | ||
1147 | ||
1148 | def runstats(): | |
1149 | _runstats(mi_mode=False) | |
275bdbb4 JD |
1150 | |
1151 | ||
1c0f0e3c | 1152 | def runlog(): |
a0acc08c | 1153 | _runlog(mi_mode=False) |
1c0f0e3c JD |
1154 | |
1155 | ||
1156 | def runfreq(): | |
a0acc08c PP |
1157 | _runfreq(mi_mode=False) |
1158 | ||
1159 | ||
1160 | def runlatencytop(): | |
1161 | _runlatencytop(mi_mode=False) | |
1c0f0e3c JD |
1162 | |
1163 | ||
1164 | def runusage(): | |
a0acc08c PP |
1165 | _runusage(mi_mode=False) |
1166 | ||
1167 | ||
1168 | def runstats_mi(): | |
1169 | _runstats(mi_mode=True) | |
1170 | ||
1171 | ||
1172 | def runlog_mi(): | |
1173 | _runlog(mi_mode=True) | |
1174 | ||
1175 | ||
1176 | def runfreq_mi(): | |
1177 | _runfreq(mi_mode=True) | |
1178 | ||
1179 | ||
1180 | def runlatencytop_mi(): | |
1181 | _runlatencytop(mi_mode=True) | |
1182 | ||
1183 | ||
1184 | def runusage_mi(): | |
1185 | _runusage(mi_mode=True) |