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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 | |
35 | from ..ascii_graph import Pyasciigraph | |
a9c9a2a6 JD |
36 | |
37 | ||
a0acc08c PP |
38 | _UsageTables = collections.namedtuple('_UsageTables', [ |
39 | 'per_proc_read', | |
40 | 'per_proc_write', | |
41 | 'per_file_read', | |
42 | 'per_file_write', | |
43 | 'per_proc_block_read', | |
44 | 'per_proc_block_write', | |
45 | 'per_disk_sector', | |
46 | 'per_disk_request', | |
47 | 'per_disk_rtps', | |
48 | 'per_netif_recv', | |
49 | 'per_netif_send', | |
50 | ]) | |
51 | ||
52 | ||
087e5d00 | 53 | class IoAnalysisCommand(Command): |
a9c9a2a6 | 54 | _DESC = """The I/O command.""" |
b6d9132b | 55 | _ANALYSIS_CLASS = io.IoAnalysis |
a0acc08c PP |
56 | _MI_TITLE = 'I/O analysis' |
57 | _MI_DESCRIPTION = 'System call/disk latency statistics, system call ' + \ | |
58 | 'latency distribution, system call top latencies, ' + \ | |
59 | 'I/O usage top, and I/O operations log' | |
60 | _MI_TAGS = [ | |
61 | mi.Tags.IO, | |
62 | mi.Tags.SYSCALL, | |
63 | mi.Tags.STATS, | |
64 | mi.Tags.FREQ, | |
65 | mi.Tags.LOG, | |
66 | mi.Tags.TOP, | |
67 | ] | |
68 | _MI_TABLE_CLASS_SYSCALL_LATENCY_STATS = 'syscall-latency-stats' | |
69 | _MI_TABLE_CLASS_PART_LATENCY_STATS = 'disk-latency-stats' | |
70 | _MI_TABLE_CLASS_FREQ = 'freq' | |
71 | _MI_TABLE_CLASS_TOP_SYSCALL = 'top-syscall' | |
72 | _MI_TABLE_CLASS_LOG = 'log' | |
73 | _MI_TABLE_CLASS_PER_PROCESS_TOP = 'per-process-top' | |
74 | _MI_TABLE_CLASS_PER_FILE_TOP = 'per-file-top' | |
75 | _MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK = 'per-process-top-block' | |
76 | _MI_TABLE_CLASS_PER_DISK_TOP_SECTOR = 'per-disk-top-sector' | |
77 | _MI_TABLE_CLASS_PER_DISK_TOP_REQUEST = 'per-disk-top-request' | |
78 | _MI_TABLE_CLASS_PER_DISK_TOP_RTPS = 'per-disk-top-rps' | |
79 | _MI_TABLE_CLASS_PER_NETIF_TOP = 'per-netif-top' | |
80 | _MI_TABLE_CLASSES = [ | |
81 | ( | |
82 | _MI_TABLE_CLASS_SYSCALL_LATENCY_STATS, | |
83 | 'System call latency statistics', [ | |
84 | ('obj', 'System call category', mi.String), | |
85 | ('count', 'Call count', mi.Integer, 'calls'), | |
86 | ('min_latency', 'Minimum call latency', mi.Duration), | |
87 | ('avg_latency', 'Average call latency', mi.Duration), | |
88 | ('max_latency', 'Maximum call latency', mi.Duration), | |
650e7f57 AB |
89 | ('stdev_latency', 'System call latency standard deviation', |
90 | mi.Duration), | |
a0acc08c PP |
91 | ] |
92 | ), | |
93 | ( | |
94 | _MI_TABLE_CLASS_PART_LATENCY_STATS, | |
95 | 'Partition latency statistics', [ | |
96 | ('obj', 'Partition', mi.Disk), | |
97 | ('count', 'Access count', mi.Integer, 'accesses'), | |
98 | ('min_latency', 'Minimum access latency', mi.Duration), | |
99 | ('avg_latency', 'Average access latency', mi.Duration), | |
100 | ('max_latency', 'Maximum access latency', mi.Duration), | |
650e7f57 AB |
101 | ('stdev_latency', 'System access latency standard deviation', |
102 | mi.Duration), | |
a0acc08c PP |
103 | ] |
104 | ), | |
105 | ( | |
106 | _MI_TABLE_CLASS_FREQ, | |
107 | 'I/O request latency distribution', [ | |
108 | ('latency_lower', 'Latency (lower bound)', mi.Duration), | |
109 | ('latency_upper', 'Latency (upper bound)', mi.Duration), | |
110 | ('count', 'Request count', mi.Integer, 'requests'), | |
111 | ] | |
112 | ), | |
113 | ( | |
114 | _MI_TABLE_CLASS_TOP_SYSCALL, | |
115 | 'Top system call latencies', [ | |
116 | ('time_range', 'Call time range', mi.TimeRange), | |
117 | ('out_of_range', 'System call out of range?', mi.Boolean), | |
118 | ('duration', 'Call duration', mi.Duration), | |
119 | ('syscall', 'System call', mi.Syscall), | |
120 | ('size', 'Read/write size', mi.Size), | |
121 | ('process', 'Process', mi.Process), | |
122 | ('path', 'File path', mi.Path), | |
123 | ('fd', 'File descriptor', mi.Fd), | |
124 | ] | |
125 | ), | |
126 | ( | |
127 | _MI_TABLE_CLASS_LOG, | |
128 | 'I/O operations log', [ | |
129 | ('time_range', 'Call time range', mi.TimeRange), | |
130 | ('out_of_range', 'System call out of range?', mi.Boolean), | |
131 | ('duration', 'Call duration', mi.Duration), | |
132 | ('syscall', 'System call', mi.Syscall), | |
133 | ('size', 'Read/write size', mi.Size), | |
134 | ('process', 'Process', mi.Process), | |
135 | ('path', 'File path', mi.Path), | |
136 | ('fd', 'File descriptor', mi.Fd), | |
137 | ] | |
138 | ), | |
139 | ( | |
140 | _MI_TABLE_CLASS_PER_PROCESS_TOP, | |
141 | 'Per-process top I/O operations', [ | |
142 | ('process', 'Process', mi.Process), | |
143 | ('size', 'Total operations size', mi.Size), | |
144 | ('disk_size', 'Disk operations size', mi.Size), | |
145 | ('net_size', 'Network operations size', mi.Size), | |
146 | ('unknown_size', 'Unknown operations size', mi.Size), | |
147 | ] | |
148 | ), | |
149 | ( | |
150 | _MI_TABLE_CLASS_PER_FILE_TOP, | |
151 | 'Per-file top I/O operations', [ | |
152 | ('path', 'File path/info', mi.Path), | |
153 | ('size', 'Operations size', mi.Size), | |
154 | ('fd_owners', 'File descriptor owners', mi.String), | |
155 | ] | |
156 | ), | |
157 | ( | |
158 | _MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, | |
159 | 'Per-process top block I/O operations', [ | |
160 | ('process', 'Process', mi.Process), | |
161 | ('size', 'Operations size', mi.Size), | |
162 | ] | |
163 | ), | |
164 | ( | |
165 | _MI_TABLE_CLASS_PER_DISK_TOP_SECTOR, | |
166 | 'Per-disk top sector I/O operations', [ | |
167 | ('disk', 'Disk', mi.Disk), | |
168 | ('count', 'Sector count', mi.Integer, 'sectors'), | |
169 | ] | |
170 | ), | |
171 | ( | |
172 | _MI_TABLE_CLASS_PER_DISK_TOP_REQUEST, | |
173 | 'Per-disk top I/O requests', [ | |
174 | ('disk', 'Disk', mi.Disk), | |
175 | ('count', 'Request count', mi.Integer, 'I/O requests'), | |
176 | ] | |
177 | ), | |
178 | ( | |
179 | _MI_TABLE_CLASS_PER_DISK_TOP_RTPS, | |
180 | 'Per-disk top I/O request time/sector', [ | |
181 | ('disk', 'Disk', mi.Disk), | |
182 | ('rtps', 'Request time/sector', mi.Duration), | |
183 | ] | |
184 | ), | |
185 | ( | |
186 | _MI_TABLE_CLASS_PER_NETIF_TOP, | |
187 | 'Per-network interface top I/O operations', [ | |
188 | ('netif', 'Network interface', mi.NetIf), | |
189 | ('size', 'Operations size', mi.Size), | |
190 | ] | |
191 | ), | |
192 | ] | |
ef49c8de AB |
193 | _LATENCY_STATS_FORMAT = '{:<14} {:>14} {:>14} {:>14} {:>14} {:>14}' |
194 | _SECTION_SEPARATOR_STRING = '-' * 89 | |
195 | ||
a0acc08c PP |
196 | def _analysis_tick(self, begin_ns, end_ns): |
197 | syscall_latency_stats_table = None | |
198 | disk_latency_stats_table = None | |
199 | freq_tables = None | |
200 | top_tables = None | |
201 | log_table = None | |
202 | usage_tables = None | |
203 | ||
204 | if self._args.stats: | |
205 | syscall_latency_stats_table, disk_latency_stats_table = \ | |
206 | self._get_latency_stats_result_tables(begin_ns, end_ns) | |
207 | ||
208 | if self._args.freq: | |
209 | freq_tables = self._get_freq_result_tables(begin_ns, end_ns) | |
210 | ||
211 | if self._args.usage: | |
212 | usage_tables = self._get_usage_result_tables(begin_ns, end_ns) | |
213 | ||
214 | if self._args.top: | |
215 | top_tables = self._get_top_result_tables(begin_ns, end_ns) | |
216 | ||
217 | if self._args.log: | |
218 | log_table = self._get_log_result_table(begin_ns, end_ns) | |
219 | ||
220 | if self._mi_mode: | |
221 | self._mi_append_result_tables([ | |
222 | log_table, | |
223 | syscall_latency_stats_table, | |
224 | disk_latency_stats_table, | |
225 | ]) | |
226 | self._mi_append_result_tables(top_tables) | |
227 | self._mi_append_result_tables(usage_tables) | |
228 | self._mi_append_result_tables(freq_tables) | |
229 | else: | |
230 | self._print_date(begin_ns, end_ns) | |
231 | ||
232 | if self._args.usage: | |
233 | self._print_usage(usage_tables) | |
234 | ||
235 | if self._args.stats: | |
236 | self._print_latency_stats(syscall_latency_stats_table, | |
237 | disk_latency_stats_table) | |
238 | ||
239 | if self._args.top: | |
240 | self._print_top(top_tables) | |
241 | ||
242 | if self._args.freq: | |
243 | self._print_freq(freq_tables) | |
244 | ||
245 | if self._args.log: | |
246 | self._print_log(log_table) | |
247 | ||
248 | def _create_summary_result_tables(self): | |
249 | # TODO: create a summary table here | |
250 | self._mi_clear_result_tables() | |
251 | ||
882fcd19 | 252 | # Filter predicates |
882fcd19 AB |
253 | def _filter_size(self, size): |
254 | if size is None: | |
255 | return True | |
b6d9132b | 256 | if self._args.maxsize is not None and size > self._args.maxsize: |
882fcd19 | 257 | return False |
b6d9132b | 258 | if self._args.minsize is not None and size < self._args.minsize: |
882fcd19 AB |
259 | return False |
260 | return True | |
261 | ||
262 | def _filter_latency(self, duration): | |
b6d9132b | 263 | if self._args.max is not None and duration > self._args.max: |
882fcd19 | 264 | return False |
b6d9132b | 265 | if self._args.min is not None and duration < self._args.min: |
882fcd19 AB |
266 | return False |
267 | return True | |
268 | ||
ef49c8de | 269 | def _filter_time_range(self, begin, end): |
b6d9132b AB |
270 | # Note: we only want to return False only when a request has |
271 | # ended and is completely outside the timerange (i.e. begun | |
272 | # after the end of the time range). | |
273 | return not (self._args.begin and self._args.end and end and | |
274 | begin > self._args.end) | |
ef49c8de AB |
275 | |
276 | def _filter_io_request(self, io_rq): | |
43b66dd6 | 277 | return self._filter_size(io_rq.size) and \ |
ef49c8de AB |
278 | self._filter_latency(io_rq.duration) and \ |
279 | self._filter_time_range(io_rq.begin_ts, io_rq.end_ts) | |
280 | ||
7e73fe34 | 281 | def _is_io_rq_out_of_range(self, io_rq): |
b6d9132b AB |
282 | return self._args.begin and io_rq.begin_ts < self._args.begin or \ |
283 | self._args.end and io_rq.end_ts > self._args.end | |
7e73fe34 | 284 | |
a0acc08c | 285 | def _append_per_proc_read_usage_row(self, proc_stats, result_table): |
a0acc08c PP |
286 | result_table.append_row( |
287 | process=mi.Process(proc_stats.comm, pid=proc_stats.pid, | |
288 | tid=proc_stats.tid), | |
289 | size=mi.Size(proc_stats.total_read), | |
f67842f8 AB |
290 | disk_size=mi.Size(proc_stats.disk_io.read), |
291 | net_size=mi.Size(proc_stats.net_io.read), | |
292 | unknown_size=mi.Size(proc_stats.unk_io.read), | |
a0acc08c | 293 | ) |
88cfa546 | 294 | |
a0acc08c | 295 | return True |
88cfa546 | 296 | |
a0acc08c | 297 | def _append_per_proc_write_usage_row(self, proc_stats, result_table): |
a0acc08c PP |
298 | result_table.append_row( |
299 | process=mi.Process(proc_stats.comm, pid=proc_stats.pid, | |
300 | tid=proc_stats.tid), | |
301 | size=mi.Size(proc_stats.total_write), | |
f67842f8 AB |
302 | disk_size=mi.Size(proc_stats.disk_io.write), |
303 | net_size=mi.Size(proc_stats.net_io.write), | |
304 | unknown_size=mi.Size(proc_stats.unk_io.write), | |
a0acc08c | 305 | ) |
91765fd2 | 306 | |
a0acc08c | 307 | return True |
91765fd2 | 308 | |
a0acc08c | 309 | def _append_per_proc_block_read_usage_row(self, proc_stats, result_table): |
f67842f8 | 310 | if proc_stats.block_io.read == 0: |
a0acc08c | 311 | return False |
91765fd2 | 312 | |
a0acc08c PP |
313 | if proc_stats.comm: |
314 | proc_name = proc_stats.comm | |
91765fd2 | 315 | else: |
a0acc08c | 316 | proc_name = None |
91765fd2 | 317 | |
a0acc08c PP |
318 | result_table.append_row( |
319 | process=mi.Process(proc_name, pid=proc_stats.pid, | |
320 | tid=proc_stats.tid), | |
f67842f8 | 321 | size=mi.Size(proc_stats.block_io.read), |
a0acc08c | 322 | ) |
91765fd2 | 323 | |
a0acc08c | 324 | return True |
91765fd2 | 325 | |
a0acc08c | 326 | def _append_per_proc_block_write_usage_row(self, proc_stats, result_table): |
f67842f8 | 327 | if proc_stats.block_io.write == 0: |
a0acc08c | 328 | return False |
91765fd2 | 329 | |
a0acc08c PP |
330 | if proc_stats.comm: |
331 | proc_name = proc_stats.comm | |
91765fd2 | 332 | else: |
a0acc08c | 333 | proc_name = None |
91765fd2 | 334 | |
a0acc08c PP |
335 | result_table.append_row( |
336 | process=mi.Process(proc_name, pid=proc_stats.pid, | |
337 | tid=proc_stats.tid), | |
f67842f8 | 338 | size=mi.Size(proc_stats.block_io.write), |
a0acc08c | 339 | ) |
91765fd2 | 340 | |
a0acc08c | 341 | return True |
91765fd2 | 342 | |
a0acc08c PP |
343 | def _append_disk_sector_usage_row(self, disk_stats, result_table): |
344 | if disk_stats.total_rq_sectors == 0: | |
91765fd2 AB |
345 | return None |
346 | ||
a0acc08c PP |
347 | result_table.append_row( |
348 | disk=mi.Disk(disk_stats.disk_name), | |
349 | count=mi.Integer(disk_stats.total_rq_sectors), | |
350 | ) | |
91765fd2 | 351 | |
a0acc08c | 352 | return True |
91765fd2 | 353 | |
a0acc08c PP |
354 | def _append_disk_request_usage_row(self, disk_stats, result_table): |
355 | if disk_stats.rq_count == 0: | |
356 | return False | |
91765fd2 | 357 | |
a0acc08c PP |
358 | result_table.append_row( |
359 | disk=mi.Disk(disk_stats.disk_name), | |
360 | count=mi.Integer(disk_stats.rq_count), | |
361 | ) | |
91765fd2 | 362 | |
a0acc08c | 363 | return True |
91765fd2 | 364 | |
a0acc08c PP |
365 | def _append_disk_rtps_usage_row(self, disk_stats, result_table): |
366 | if disk_stats.rq_count == 0: | |
367 | return False | |
91765fd2 | 368 | |
a0acc08c PP |
369 | avg_latency = (disk_stats.total_rq_duration / disk_stats.rq_count) |
370 | result_table.append_row( | |
371 | disk=mi.Disk(disk_stats.disk_name), | |
372 | rtps=mi.Duration(avg_latency), | |
373 | ) | |
91765fd2 | 374 | |
a0acc08c | 375 | return True |
91765fd2 | 376 | |
a0acc08c PP |
377 | def _append_netif_recv_usage_row(self, netif_stats, result_table): |
378 | result_table.append_row( | |
379 | netif=mi.NetIf(netif_stats.name), | |
380 | size=mi.Size(netif_stats.recv_bytes) | |
381 | ) | |
91765fd2 | 382 | |
a0acc08c | 383 | return True |
91765fd2 | 384 | |
a0acc08c PP |
385 | def _append_netif_send_usage_row(self, netif_stats, result_table): |
386 | result_table.append_row( | |
387 | netif=mi.NetIf(netif_stats.name), | |
388 | size=mi.Size(netif_stats.sent_bytes) | |
389 | ) | |
91765fd2 | 390 | |
a0acc08c | 391 | return True |
e0e5f1fd | 392 | |
a0acc08c | 393 | def _get_file_stats_fd_owners_str(self, file_stats): |
e0e5f1fd | 394 | fd_by_pid_str = '' |
a0acc08c | 395 | |
e0e5f1fd AB |
396 | for pid, fd in file_stats.fd_by_pid.items(): |
397 | comm = self._analysis.tids[pid].comm | |
398 | fd_by_pid_str += 'fd %d in %s (%s) ' % (fd, comm, pid) | |
399 | ||
a0acc08c PP |
400 | return fd_by_pid_str |
401 | ||
402 | def _append_file_read_usage_row(self, file_stats, result_table): | |
f67842f8 | 403 | if file_stats.io.read == 0: |
a0acc08c | 404 | return False |
e0e5f1fd | 405 | |
a0acc08c PP |
406 | fd_owners = self._get_file_stats_fd_owners_str(file_stats) |
407 | result_table.append_row( | |
408 | path=mi.Path(file_stats.filename), | |
f67842f8 | 409 | size=mi.Size(file_stats.io.read), |
a0acc08c PP |
410 | fd_owners=mi.String(fd_owners), |
411 | ) | |
412 | ||
413 | return True | |
e0e5f1fd | 414 | |
a0acc08c | 415 | def _append_file_write_usage_row(self, file_stats, result_table): |
f67842f8 | 416 | if file_stats.io.write == 0: |
a0acc08c | 417 | return False |
e0e5f1fd | 418 | |
a0acc08c PP |
419 | fd_owners = self._get_file_stats_fd_owners_str(file_stats) |
420 | result_table.append_row( | |
421 | path=mi.Path(file_stats.filename), | |
f67842f8 | 422 | size=mi.Size(file_stats.io.write), |
a0acc08c PP |
423 | fd_owners=mi.String(fd_owners), |
424 | ) | |
e0e5f1fd | 425 | |
a0acc08c | 426 | return True |
e0e5f1fd | 427 | |
650e7f57 AB |
428 | def _fill_usage_result_table(self, input_list, append_row_cb, |
429 | result_table): | |
a0acc08c PP |
430 | count = 0 |
431 | limit = self._args.limit | |
e0e5f1fd | 432 | |
a0acc08c PP |
433 | for elem in input_list: |
434 | if append_row_cb(elem, result_table): | |
435 | count += 1 | |
436 | ||
437 | if limit is not None and count >= limit: | |
438 | break | |
439 | ||
440 | def _fill_per_process_read_usage_result_table(self, result_table): | |
91765fd2 AB |
441 | input_list = sorted(self._analysis.tids.values(), |
442 | key=operator.attrgetter('total_read'), | |
443 | reverse=True) | |
a0acc08c PP |
444 | self._fill_usage_result_table(input_list, |
445 | self._append_per_proc_read_usage_row, | |
446 | result_table) | |
91765fd2 | 447 | |
a0acc08c | 448 | def _fill_per_process_write_usage_result_table(self, result_table): |
91765fd2 AB |
449 | input_list = sorted(self._analysis.tids.values(), |
450 | key=operator.attrgetter('total_write'), | |
451 | reverse=True) | |
a0acc08c PP |
452 | self._fill_usage_result_table(input_list, |
453 | self._append_per_proc_write_usage_row, | |
454 | result_table) | |
91765fd2 | 455 | |
a0acc08c | 456 | def _fill_per_process_block_read_usage_result_table(self, result_table): |
91765fd2 | 457 | input_list = sorted(self._analysis.tids.values(), |
f67842f8 | 458 | key=operator.attrgetter('block_io.read'), |
91765fd2 | 459 | reverse=True) |
650e7f57 AB |
460 | self._fill_usage_result_table( |
461 | input_list, self._append_per_proc_block_read_usage_row, | |
462 | result_table) | |
91765fd2 | 463 | |
a0acc08c | 464 | def _fill_per_process_block_write_usage_result_table(self, result_table): |
91765fd2 | 465 | input_list = sorted(self._analysis.tids.values(), |
f67842f8 | 466 | key=operator.attrgetter('block_io.write'), |
91765fd2 | 467 | reverse=True) |
650e7f57 AB |
468 | self._fill_usage_result_table( |
469 | input_list, self._append_per_proc_block_write_usage_row, | |
470 | result_table) | |
91765fd2 | 471 | |
a0acc08c | 472 | def _fill_disk_sector_usage_result_table(self, result_table): |
91765fd2 AB |
473 | input_list = sorted(self._analysis.disks.values(), |
474 | key=operator.attrgetter('total_rq_sectors'), | |
475 | reverse=True) | |
a0acc08c PP |
476 | self._fill_usage_result_table(input_list, |
477 | self._append_disk_sector_usage_row, | |
478 | result_table) | |
91765fd2 | 479 | |
a0acc08c | 480 | def _fill_disk_request_usage_result_table(self, result_table): |
91765fd2 AB |
481 | input_list = sorted(self._analysis.disks.values(), |
482 | key=operator.attrgetter('rq_count'), | |
483 | reverse=True) | |
a0acc08c PP |
484 | self._fill_usage_result_table(input_list, |
485 | self._append_disk_request_usage_row, | |
486 | result_table) | |
91765fd2 | 487 | |
a0acc08c | 488 | def _fill_disk_rtps_usage_result_table(self, result_table): |
91765fd2 | 489 | input_list = self._analysis.disks.values() |
a0acc08c PP |
490 | self._fill_usage_result_table(input_list, |
491 | self._append_disk_rtps_usage_row, | |
492 | result_table) | |
91765fd2 | 493 | |
a0acc08c | 494 | def _fill_netif_recv_usage_result_table(self, result_table): |
91765fd2 AB |
495 | input_list = sorted(self._analysis.ifaces.values(), |
496 | key=operator.attrgetter('recv_bytes'), | |
497 | reverse=True) | |
a0acc08c PP |
498 | self._fill_usage_result_table(input_list, |
499 | self._append_netif_recv_usage_row, | |
500 | result_table) | |
91765fd2 | 501 | |
a0acc08c | 502 | def _fill_netif_send_usage_result_table(self, result_table): |
91765fd2 AB |
503 | input_list = sorted(self._analysis.ifaces.values(), |
504 | key=operator.attrgetter('sent_bytes'), | |
505 | reverse=True) | |
a0acc08c PP |
506 | self._fill_usage_result_table(input_list, |
507 | self._append_netif_send_usage_row, | |
508 | result_table) | |
91765fd2 | 509 | |
a0acc08c | 510 | def _fill_file_read_usage_result_table(self, files, result_table): |
e0e5f1fd | 511 | input_list = sorted(files.values(), |
f67842f8 | 512 | key=lambda file_stats: file_stats.io.read, |
e0e5f1fd | 513 | reverse=True) |
a0acc08c PP |
514 | self._fill_usage_result_table(input_list, |
515 | self._append_file_read_usage_row, | |
516 | result_table) | |
a9c9a2a6 | 517 | |
a0acc08c | 518 | def _fill_file_write_usage_result_table(self, files, result_table): |
e0e5f1fd | 519 | input_list = sorted(files.values(), |
f67842f8 | 520 | key=lambda file_stats: file_stats.io.write, |
e0e5f1fd | 521 | reverse=True) |
a0acc08c PP |
522 | self._fill_usage_result_table(input_list, |
523 | self._append_file_write_usage_row, | |
524 | result_table) | |
a9c9a2a6 | 525 | |
a0acc08c | 526 | def _fill_file_usage_result_tables(self, read_table, write_table): |
b9f05f8d | 527 | files = self._analysis.get_files_stats() |
a0acc08c PP |
528 | self._fill_file_read_usage_result_table(files, read_table) |
529 | self._fill_file_write_usage_result_table(files, write_table) | |
530 | ||
531 | def _get_usage_result_tables(self, begin, end): | |
532 | # create result tables | |
650e7f57 AB |
533 | per_proc_read_table = self._mi_create_result_table( |
534 | self._MI_TABLE_CLASS_PER_PROCESS_TOP, begin, end, 'read') | |
535 | per_proc_write_table = self._mi_create_result_table( | |
536 | self._MI_TABLE_CLASS_PER_PROCESS_TOP, begin, end, 'written') | |
537 | per_file_read_table = self._mi_create_result_table( | |
538 | self._MI_TABLE_CLASS_PER_FILE_TOP, begin, end, 'read') | |
539 | per_file_write_table = self._mi_create_result_table( | |
540 | self._MI_TABLE_CLASS_PER_FILE_TOP, begin, end, 'written') | |
541 | per_proc_block_read_table = self._mi_create_result_table( | |
542 | self._MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, begin, end, 'read') | |
543 | per_proc_block_write_table = self._mi_create_result_table( | |
544 | self._MI_TABLE_CLASS_PER_PROCESS_TOP_BLOCK, begin, end, 'written') | |
545 | per_disk_sector_table = self._mi_create_result_table( | |
546 | self._MI_TABLE_CLASS_PER_DISK_TOP_SECTOR, begin, end) | |
547 | per_disk_request_table = self._mi_create_result_table( | |
548 | self._MI_TABLE_CLASS_PER_DISK_TOP_REQUEST, begin, end) | |
549 | per_disk_rtps_table = self._mi_create_result_table( | |
550 | self._MI_TABLE_CLASS_PER_DISK_TOP_RTPS, begin, end) | |
551 | per_netif_recv_table = self._mi_create_result_table( | |
552 | self._MI_TABLE_CLASS_PER_NETIF_TOP, begin, end, 'received') | |
553 | per_netif_send_table = self._mi_create_result_table( | |
554 | self._MI_TABLE_CLASS_PER_NETIF_TOP, begin, end, 'sent') | |
a0acc08c PP |
555 | |
556 | # fill result tables | |
557 | self._fill_per_process_read_usage_result_table(per_proc_read_table) | |
558 | self._fill_per_process_write_usage_result_table(per_proc_write_table) | |
559 | self._fill_file_usage_result_tables(per_file_read_table, | |
560 | per_file_write_table) | |
650e7f57 AB |
561 | self._fill_per_process_block_read_usage_result_table( |
562 | per_proc_block_read_table) | |
563 | self._fill_per_process_block_read_usage_result_table( | |
564 | per_proc_block_write_table) | |
a0acc08c PP |
565 | self._fill_disk_sector_usage_result_table(per_disk_sector_table) |
566 | self._fill_disk_request_usage_result_table(per_disk_request_table) | |
567 | self._fill_disk_rtps_usage_result_table(per_disk_rtps_table) | |
568 | self._fill_netif_recv_usage_result_table(per_netif_recv_table) | |
569 | self._fill_netif_send_usage_result_table(per_netif_send_table) | |
570 | ||
571 | return _UsageTables( | |
572 | per_proc_read=per_proc_read_table, | |
573 | per_proc_write=per_proc_write_table, | |
574 | per_file_read=per_file_read_table, | |
575 | per_file_write=per_file_write_table, | |
576 | per_proc_block_read=per_proc_block_read_table, | |
577 | per_proc_block_write=per_proc_block_write_table, | |
578 | per_disk_sector=per_disk_sector_table, | |
579 | per_disk_request=per_disk_request_table, | |
580 | per_disk_rtps=per_disk_rtps_table, | |
581 | per_netif_recv=per_netif_recv_table, | |
582 | per_netif_send=per_netif_send_table, | |
583 | ) | |
584 | ||
8400227b AB |
585 | def _print_per_proc_io(self, result_table, title): |
586 | header_format = '{:<25} {:<10} {:<10} {:<10}' | |
587 | label_header = header_format.format( | |
588 | 'Process', 'Disk', 'Net', 'Unknown' | |
589 | ) | |
a0acc08c | 590 | |
8400227b AB |
591 | def get_label(row): |
592 | label_format = '{:<25} {:>10} {:>10} {:>10}' | |
593 | if row.process.pid is None: | |
594 | pid_str = 'unknown (tid=%d)' % (row.process.tid) | |
595 | else: | |
596 | pid_str = str(row.process.pid) | |
a0acc08c | 597 | |
8400227b AB |
598 | label = label_format.format( |
599 | '%s (%s)' % (row.process.name, pid_str), | |
600 | format_utils.format_size(row.disk_size.value), | |
601 | format_utils.format_size(row.net_size.value), | |
602 | format_utils.format_size(row.unknown_size.value) | |
603 | ) | |
a0acc08c | 604 | |
8400227b | 605 | return label |
a0acc08c | 606 | |
8400227b AB |
607 | graph = termgraph.BarGraph( |
608 | title='Per-process I/O ' + title, | |
609 | label_header=label_header, | |
610 | get_value=lambda row: row.size.value, | |
611 | get_value_str=format_utils.format_size, | |
612 | get_label=get_label, | |
613 | data=result_table.rows | |
614 | ) | |
a0acc08c | 615 | |
8400227b | 616 | graph.print_graph() |
a0acc08c | 617 | |
8400227b AB |
618 | def _print_per_proc_block_io(self, result_table, title): |
619 | def get_label(row): | |
620 | proc_name = row.process.name | |
a0acc08c | 621 | |
8400227b AB |
622 | if not proc_name: |
623 | proc_name = 'unknown' | |
a0acc08c | 624 | |
8400227b AB |
625 | if row.process.pid is None: |
626 | pid_str = 'unknown (tid={})'.format(row.process.tid) | |
627 | else: | |
628 | pid_str = str(row.process.pid) | |
a0acc08c | 629 | |
8400227b | 630 | return '{} (pid={})'.format(proc_name, pid_str) |
a0acc08c | 631 | |
8400227b AB |
632 | graph = termgraph.BarGraph( |
633 | title='Block I/O ' + title, | |
634 | label_header='Process', | |
635 | get_value=lambda row: row.size.value, | |
636 | get_value_str=format_utils.format_size, | |
637 | get_label=get_label, | |
638 | data=result_table.rows | |
639 | ) | |
a0acc08c | 640 | |
8400227b | 641 | graph.print_graph() |
a0acc08c | 642 | |
8400227b AB |
643 | def _print_per_disk_sector(self, result_table): |
644 | graph = termgraph.BarGraph( | |
645 | title='Disk Requests Sector Count', | |
646 | label_header='Disk', | |
647 | unit='sectors', | |
648 | get_value=lambda row: row.count.value, | |
649 | get_label=lambda row: row.disk.name, | |
650 | data=result_table.rows | |
651 | ) | |
a0acc08c | 652 | |
8400227b | 653 | graph.print_graph() |
a0acc08c | 654 | |
8400227b AB |
655 | def _print_per_disk_request(self, result_table): |
656 | graph = termgraph.BarGraph( | |
657 | title='Disk Request Count', | |
658 | label_header='Disk', | |
659 | unit='requests', | |
660 | get_value=lambda row: row.count.value, | |
661 | get_label=lambda row: row.disk.name, | |
662 | data=result_table.rows | |
663 | ) | |
a0acc08c | 664 | |
8400227b | 665 | graph.print_graph() |
a0acc08c | 666 | |
8400227b AB |
667 | def _print_per_disk_rtps(self, result_table): |
668 | graph = termgraph.BarGraph( | |
669 | title='Disk Request Average Latency', | |
670 | label_header='Disk', | |
671 | unit='ms', | |
672 | get_value=lambda row: row.rtps.value / common.NSEC_PER_MSEC, | |
673 | get_label=lambda row: row.disk.name, | |
674 | data=result_table.rows | |
675 | ) | |
a0acc08c | 676 | |
8400227b | 677 | graph.print_graph() |
a0acc08c | 678 | |
8400227b AB |
679 | def _print_per_netif_io(self, result_table, title): |
680 | graph = termgraph.BarGraph( | |
681 | title='Network ' + title + ' Bytes', | |
682 | label_header='Interface', | |
683 | get_value=lambda row: row.size.value, | |
684 | get_value_str=format_utils.format_size, | |
685 | get_label=lambda row: row.netif.name, | |
686 | data=result_table.rows | |
687 | ) | |
a0acc08c | 688 | |
8400227b AB |
689 | graph.print_graph() |
690 | ||
691 | def _print_per_file_io(self, result_table, title): | |
692 | # FIXME add option to show FD owners | |
693 | # FIXME why are read and write values the same? | |
694 | graph = termgraph.BarGraph( | |
695 | title='Per-file I/O ' + title, | |
696 | label_header='Path', | |
697 | get_value=lambda row: row.size.value, | |
698 | get_value_str=format_utils.format_size, | |
699 | get_label=lambda row: row.path.path, | |
700 | data=result_table.rows | |
701 | ) | |
a0acc08c | 702 | |
8400227b | 703 | graph.print_graph() |
a0acc08c PP |
704 | |
705 | def _print_usage(self, usage_tables): | |
8400227b AB |
706 | self._print_per_proc_io(usage_tables.per_proc_read, 'Read') |
707 | self._print_per_proc_io(usage_tables.per_proc_write, 'Write') | |
708 | self._print_per_file_io(usage_tables.per_file_read, 'Read') | |
709 | self._print_per_file_io(usage_tables.per_file_write, 'Write') | |
710 | self._print_per_proc_block_io(usage_tables.per_proc_block_read, 'Read') | |
711 | self._print_per_proc_block_io( | |
712 | usage_tables.per_proc_block_write, 'Write' | |
713 | ) | |
a0acc08c PP |
714 | self._print_per_disk_sector(usage_tables.per_disk_sector) |
715 | self._print_per_disk_request(usage_tables.per_disk_request) | |
716 | self._print_per_disk_rtps(usage_tables.per_disk_rtps) | |
8400227b AB |
717 | self._print_per_netif_io(usage_tables.per_netif_recv, 'Received') |
718 | self._print_per_netif_io(usage_tables.per_netif_send, 'Sent') | |
a0acc08c PP |
719 | |
720 | def _fill_freq_result_table(self, duration_list, result_table): | |
9ac03ff5 AB |
721 | if not duration_list: |
722 | return | |
723 | ||
724 | # The number of bins for the histogram | |
b6d9132b | 725 | resolution = self._args.freq_resolution |
9ac03ff5 AB |
726 | |
727 | min_duration = min(duration_list) | |
728 | max_duration = max(duration_list) | |
729 | # ns to µs | |
730 | min_duration /= 1000 | |
731 | max_duration /= 1000 | |
732 | ||
733 | step = (max_duration - min_duration) / resolution | |
a0acc08c | 734 | |
a9c9a2a6 JD |
735 | if step == 0: |
736 | return | |
9ac03ff5 | 737 | |
a9c9a2a6 JD |
738 | buckets = [] |
739 | values = [] | |
a0acc08c | 740 | |
9ac03ff5 | 741 | for i in range(resolution): |
a9c9a2a6 JD |
742 | buckets.append(i * step) |
743 | values.append(0) | |
a0acc08c | 744 | |
9ac03ff5 AB |
745 | for duration in duration_list: |
746 | duration /= 1000 | |
747 | index = min(int((duration - min_duration) / step), resolution - 1) | |
748 | values[index] += 1 | |
749 | ||
9ac03ff5 | 750 | for index, value in enumerate(values): |
a0acc08c PP |
751 | result_table.append_row( |
752 | latency_lower=mi.Duration.from_us(index * step + min_duration), | |
650e7f57 AB |
753 | latency_upper=mi.Duration.from_us((index + 1) * step + |
754 | min_duration), | |
a0acc08c PP |
755 | count=mi.Integer(value), |
756 | ) | |
757 | ||
758 | def _get_disk_freq_result_tables(self, begin, end): | |
759 | result_tables = [] | |
760 | ||
761 | for disk in self._analysis.disks.values(): | |
762 | rq_durations = [rq.duration for rq in disk.rq_list if | |
763 | self._filter_io_request(rq)] | |
764 | subtitle = 'disk: {}'.format(disk.disk_name) | |
765 | result_table = \ | |
766 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
767 | begin, end, subtitle) | |
768 | self._fill_freq_result_table(rq_durations, result_table) | |
769 | result_tables.append(result_table) | |
770 | ||
771 | return result_tables | |
772 | ||
773 | def _get_syscall_freq_result_tables(self, begin, end): | |
774 | open_table = \ | |
775 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
776 | begin, end, 'open') | |
777 | read_table = \ | |
778 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
779 | begin, end, 'read') | |
780 | write_table = \ | |
781 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
782 | begin, end, 'write') | |
783 | sync_table = \ | |
784 | self._mi_create_result_table(self._MI_TABLE_CLASS_FREQ, | |
785 | begin, end, 'sync') | |
786 | self._fill_freq_result_table([io_rq.duration for io_rq in | |
787 | self._analysis.open_io_requests if | |
788 | self._filter_io_request(io_rq)], | |
650e7f57 | 789 | open_table) |
a0acc08c PP |
790 | self._fill_freq_result_table([io_rq.duration for io_rq in |
791 | self._analysis.read_io_requests if | |
792 | self._filter_io_request(io_rq)], | |
650e7f57 | 793 | read_table) |
a0acc08c PP |
794 | self._fill_freq_result_table([io_rq.duration for io_rq in |
795 | self._analysis.write_io_requests if | |
796 | self._filter_io_request(io_rq)], | |
650e7f57 | 797 | write_table) |
a0acc08c PP |
798 | self._fill_freq_result_table([io_rq.duration for io_rq in |
799 | self._analysis.sync_io_requests if | |
800 | self._filter_io_request(io_rq)], | |
650e7f57 | 801 | sync_table) |
a0acc08c PP |
802 | |
803 | return [open_table, read_table, write_table, sync_table] | |
804 | ||
805 | def _get_freq_result_tables(self, begin, end): | |
806 | syscall_tables = self._get_syscall_freq_result_tables(begin, end) | |
807 | disk_tables = self._get_disk_freq_result_tables(begin, end) | |
808 | ||
809 | return syscall_tables + disk_tables | |
810 | ||
811 | def _print_one_freq(self, result_table): | |
812 | if not result_table.rows: | |
813 | return | |
9ac03ff5 | 814 | |
a0acc08c PP |
815 | graph = Pyasciigraph() |
816 | graph_data = [] | |
817 | ||
818 | for row in result_table.rows: | |
819 | graph_data.append(('%0.03f' % row.latency_lower.to_us(), | |
820 | row.count.value)) | |
821 | ||
650e7f57 AB |
822 | title = '{} {} (usec)'.format(result_table.title, |
823 | result_table.subtitle) | |
9ac03ff5 AB |
824 | graph_lines = graph.graph( |
825 | title, | |
826 | graph_data, | |
827 | info_before=True, | |
828 | count=True | |
829 | ) | |
830 | ||
831 | for line in graph_lines: | |
a9c9a2a6 | 832 | print(line) |
9ac03ff5 AB |
833 | |
834 | print() | |
835 | ||
a0acc08c PP |
836 | def _print_freq(self, freq_tables): |
837 | for freq_table in freq_tables: | |
838 | self._print_one_freq(freq_table) | |
7e73fe34 | 839 | |
a0acc08c | 840 | def _append_log_row(self, io_rq, result_table): |
7e73fe34 | 841 | if io_rq.size is None: |
a0acc08c | 842 | size = mi.Empty() |
7e73fe34 | 843 | else: |
a0acc08c | 844 | size = mi.Size(io_rq.size) |
7e73fe34 AB |
845 | |
846 | tid = io_rq.tid | |
847 | proc_stats = self._analysis.tids[tid] | |
a0acc08c | 848 | proc_name = proc_stats.comm |
7e73fe34 AB |
849 | |
850 | # TODO: handle fd_in/fd_out for RW type operations | |
851 | if io_rq.fd is None: | |
a0acc08c PP |
852 | path = mi.Empty() |
853 | fd = mi.Empty() | |
7e73fe34 | 854 | else: |
a0acc08c | 855 | fd = mi.Fd(io_rq.fd) |
7e73fe34 | 856 | parent_proc = proc_stats |
a0acc08c | 857 | |
7e73fe34 AB |
858 | if parent_proc.pid is not None: |
859 | parent_proc = self._analysis.tids[parent_proc.pid] | |
860 | ||
a0acc08c PP |
861 | fd_stats = parent_proc.get_fd(io_rq.fd, io_rq.end_ts) |
862 | ||
7e73fe34 | 863 | if fd_stats is not None: |
a0acc08c | 864 | path = mi.Path(fd_stats.filename) |
7e73fe34 | 865 | else: |
a0acc08c PP |
866 | path = mi.Unknown() |
867 | ||
868 | result_table.append_row( | |
869 | time_range=mi.TimeRange(io_rq.begin_ts, io_rq.end_ts), | |
870 | out_of_range=mi.Boolean(self._is_io_rq_out_of_range(io_rq)), | |
871 | duration=mi.Duration(io_rq.duration), | |
872 | syscall=mi.Syscall(io_rq.syscall_name), | |
873 | size=size, | |
874 | process=mi.Process(proc_name, tid=tid), | |
875 | path=path, | |
876 | fd=fd, | |
877 | ) | |
878 | ||
879 | def _fill_log_result_table(self, rq_list, sort_key, is_top, result_table): | |
880 | if not rq_list: | |
881 | return | |
882 | ||
883 | count = 0 | |
7e73fe34 | 884 | |
a0acc08c PP |
885 | for io_rq in sorted(rq_list, key=operator.attrgetter(sort_key), |
886 | reverse=is_top): | |
887 | if is_top and count > self._args.limit: | |
888 | break | |
889 | ||
890 | self._append_log_row(io_rq, result_table) | |
891 | count += 1 | |
892 | ||
893 | def _fill_log_result_table_from_io_requests(self, io_requests, sort_key, | |
894 | is_top, result_table): | |
895 | io_requests = [io_rq for io_rq in io_requests if | |
896 | self._filter_io_request(io_rq)] | |
650e7f57 AB |
897 | self._fill_log_result_table(io_requests, sort_key, is_top, |
898 | result_table) | |
a0acc08c PP |
899 | |
900 | def _get_top_result_tables(self, begin, end): | |
901 | open_table = \ | |
902 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
903 | begin, end, 'open') | |
904 | read_table = \ | |
905 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
906 | begin, end, 'read') | |
907 | write_table = \ | |
908 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
909 | begin, end, 'write') | |
910 | sync_table = \ | |
911 | self._mi_create_result_table(self._MI_TABLE_CLASS_TOP_SYSCALL, | |
912 | begin, end, 'sync') | |
913 | self._fill_log_result_table_from_io_requests( | |
914 | self._analysis.open_io_requests, 'duration', True, open_table) | |
915 | self._fill_log_result_table_from_io_requests( | |
916 | self._analysis.read_io_requests, 'duration', True, read_table) | |
917 | self._fill_log_result_table_from_io_requests( | |
918 | self._analysis.write_io_requests, 'duration', True, write_table) | |
919 | self._fill_log_result_table_from_io_requests( | |
920 | self._analysis.sync_io_requests, 'duration', True, sync_table) | |
921 | ||
922 | return [open_table, read_table, write_table, sync_table] | |
923 | ||
924 | def _print_log_row(self, row): | |
925 | fmt = '{:<40} {:<16} {:>16} {:>11} {:<24} {:<8} {:<14}' | |
926 | begin_time = common.ns_to_hour_nsec(row.time_range.begin, | |
927 | self._args.multi_day, | |
928 | self._args.gmt) | |
929 | end_time = common.ns_to_hour_nsec(row.time_range.end, | |
930 | self._args.multi_day, | |
931 | self._args.gmt) | |
932 | time_range_str = '[' + begin_time + ',' + end_time + ']' | |
933 | duration_str = '%0.03f' % row.duration.to_us() | |
7e73fe34 | 934 | |
a0acc08c PP |
935 | if type(row.size) is mi.Empty: |
936 | size = 'N/A' | |
937 | else: | |
8400227b | 938 | size = format_utils.format_size(row.size.value) |
a0acc08c PP |
939 | |
940 | tid = row.process.tid | |
941 | proc_name = row.process.name | |
942 | ||
943 | if type(row.fd) is mi.Empty: | |
944 | file_str = 'N/A' | |
945 | else: | |
946 | if type(row.path) is mi.Unknown: | |
947 | path = 'unknown' | |
948 | else: | |
949 | path = row.path.path | |
950 | ||
951 | file_str = '%s (fd=%s)' % (path, row.fd.fd) | |
952 | ||
953 | if row.out_of_range.value: | |
7e73fe34 AB |
954 | time_range_str += '*' |
955 | duration_str += '*' | |
956 | else: | |
957 | time_range_str += ' ' | |
958 | duration_str += ' ' | |
959 | ||
a0acc08c PP |
960 | print(fmt.format(time_range_str, row.syscall.name, duration_str, |
961 | size, proc_name, tid, file_str)) | |
7e73fe34 | 962 | |
a0acc08c PP |
963 | def _print_log(self, result_table): |
964 | if not result_table.rows: | |
a9c9a2a6 | 965 | return |
7e73fe34 | 966 | |
7e73fe34 AB |
967 | has_out_of_range_rq = False |
968 | ||
969 | print() | |
a0acc08c PP |
970 | fmt = '{} {} (usec)' |
971 | print(fmt.format(result_table.title, result_table.subtitle)) | |
7e73fe34 AB |
972 | header_fmt = '{:<19} {:<20} {:<16} {:<23} {:<5} {:<24} {:<8} {:<14}' |
973 | print(header_fmt.format( | |
974 | 'Begin', 'End', 'Name', 'Duration (usec)', 'Size', 'Proc', 'PID', | |
975 | 'Filename')) | |
976 | ||
a0acc08c PP |
977 | for row in result_table.rows: |
978 | self._print_log_row(row) | |
7e73fe34 | 979 | |
a0acc08c | 980 | if not has_out_of_range_rq and row.out_of_range.value: |
7e73fe34 AB |
981 | has_out_of_range_rq = True |
982 | ||
7e73fe34 | 983 | if has_out_of_range_rq: |
73b71522 AB |
984 | print('*: Syscalls started and/or completed outside of the ' |
985 | 'range specified') | |
a9c9a2a6 | 986 | |
a0acc08c PP |
987 | def _print_top(self, top_tables): |
988 | for table in top_tables: | |
989 | self._print_log(table) | |
990 | ||
991 | def _get_log_result_table(self, begin, end): | |
992 | log_table = self._mi_create_result_table(self._MI_TABLE_CLASS_LOG, | |
993 | begin, end) | |
994 | self._fill_log_result_table_from_io_requests( | |
995 | self._analysis.io_requests, 'begin_ts', False, log_table) | |
996 | ||
997 | return log_table | |
998 | ||
999 | def _append_latency_stats_row(self, obj, rq_durations, result_table): | |
a205a2b4 JD |
1000 | rq_count = len(rq_durations) |
1001 | total_duration = sum(rq_durations) | |
a0acc08c | 1002 | |
a205a2b4 JD |
1003 | if len(rq_durations) > 0: |
1004 | min_duration = min(rq_durations) | |
1005 | max_duration = max(rq_durations) | |
1006 | else: | |
1007 | min_duration = 0 | |
1008 | max_duration = 0 | |
1009 | ||
ef49c8de | 1010 | if rq_count < 2: |
a0acc08c | 1011 | stdev = mi.Unknown() |
ef49c8de | 1012 | else: |
a0acc08c | 1013 | stdev = mi.Duration(statistics.stdev(rq_durations)) |
ef49c8de | 1014 | |
d872de29 | 1015 | if rq_count > 0: |
a0acc08c | 1016 | avg = total_duration / rq_count |
d872de29 | 1017 | else: |
a0acc08c PP |
1018 | avg = 0 |
1019 | ||
1020 | result_table.append_row( | |
1021 | obj=obj, | |
1022 | count=mi.Integer(rq_count), | |
1023 | min_latency=mi.Duration(min_duration), | |
1024 | avg_latency=mi.Duration(avg), | |
1025 | max_latency=mi.Duration(max_duration), | |
1026 | stdev_latency=stdev, | |
1027 | ) | |
ef49c8de | 1028 | |
a0acc08c PP |
1029 | def _append_latency_stats_row_from_requests(self, obj, io_requests, |
1030 | result_table): | |
ef49c8de AB |
1031 | rq_durations = [io_rq.duration for io_rq in io_requests if |
1032 | self._filter_io_request(io_rq)] | |
a0acc08c PP |
1033 | self._append_latency_stats_row(obj, rq_durations, result_table) |
1034 | ||
1035 | def _get_syscall_latency_stats_result_table(self, begin, end): | |
650e7f57 AB |
1036 | result_table = self._mi_create_result_table( |
1037 | self._MI_TABLE_CLASS_SYSCALL_LATENCY_STATS, begin, end) | |
a0acc08c PP |
1038 | append_fn = self._append_latency_stats_row_from_requests |
1039 | append_fn(mi.String('Open'), self._analysis.open_io_requests, | |
1040 | result_table) | |
1041 | append_fn(mi.String('Read'), self._analysis.read_io_requests, | |
1042 | result_table) | |
1043 | append_fn(mi.String('Write'), self._analysis.write_io_requests, | |
1044 | result_table) | |
1045 | append_fn(mi.String('Sync'), self._analysis.sync_io_requests, | |
1046 | result_table) | |
1047 | ||
1048 | return result_table | |
1049 | ||
1050 | def _get_disk_latency_stats_result_table(self, begin, end): | |
1051 | if not self._analysis.disks: | |
1052 | return | |
1053 | ||
650e7f57 AB |
1054 | result_table = self._mi_create_result_table( |
1055 | self._MI_TABLE_CLASS_PART_LATENCY_STATS, begin, end) | |
a0acc08c PP |
1056 | |
1057 | for disk in self._analysis.disks.values(): | |
1058 | if disk.rq_count: | |
1059 | rq_durations = [rq.duration for rq in disk.rq_list if | |
1060 | self._filter_io_request(rq)] | |
1061 | disk = mi.Disk(disk.disk_name) | |
650e7f57 AB |
1062 | self._append_latency_stats_row(disk, rq_durations, |
1063 | result_table) | |
a0acc08c PP |
1064 | |
1065 | return result_table | |
1066 | ||
1067 | def _get_latency_stats_result_tables(self, begin, end): | |
1068 | syscall_tbl = self._get_syscall_latency_stats_result_table(begin, end) | |
1069 | disk_tbl = self._get_disk_latency_stats_result_table(begin, end) | |
1070 | ||
1071 | return syscall_tbl, disk_tbl | |
ef49c8de | 1072 | |
a0acc08c PP |
1073 | def _print_latency_stats_row(self, row): |
1074 | if type(row.stdev_latency) is mi.Unknown: | |
1075 | stdev = '?' | |
1076 | else: | |
1077 | stdev = '%0.03f' % row.stdev_latency.to_us() | |
1078 | ||
1079 | avg = '%0.03f' % row.avg_latency.to_us() | |
1080 | min_duration = '%0.03f' % row.min_latency.to_us() | |
1081 | max_duration = '%0.03f' % row.max_latency.to_us() | |
1082 | ||
1083 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1084 | str(row.obj), row.count.value, min_duration, | |
1085 | avg, max_duration, stdev)) | |
1086 | ||
1087 | def _print_syscall_latency_stats(self, stats_table): | |
ef49c8de AB |
1088 | print('\nSyscalls latency statistics (usec):') |
1089 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1090 | 'Type', 'Count', 'Min', 'Average', 'Max', 'Stdev')) | |
1091 | print(IoAnalysisCommand._SECTION_SEPARATOR_STRING) | |
1092 | ||
a0acc08c PP |
1093 | for row in stats_table.rows: |
1094 | self._print_latency_stats_row(row) | |
ef49c8de | 1095 | |
a0acc08c PP |
1096 | def _print_disk_latency_stats(self, stats_table): |
1097 | if not stats_table.rows: | |
a9c9a2a6 | 1098 | return |
a9c9a2a6 | 1099 | |
ef49c8de AB |
1100 | print('\nDisk latency statistics (usec):') |
1101 | print(IoAnalysisCommand._LATENCY_STATS_FORMAT.format( | |
1102 | 'Name', 'Count', 'Min', 'Average', 'Max', 'Stdev')) | |
1103 | print(IoAnalysisCommand._SECTION_SEPARATOR_STRING) | |
1104 | ||
a0acc08c PP |
1105 | for row in stats_table.rows: |
1106 | self._print_latency_stats_row(row) | |
a9c9a2a6 | 1107 | |
a0acc08c PP |
1108 | def _print_latency_stats(self, syscall_latency_stats_table, |
1109 | disk_latency_stats_table): | |
1110 | self._print_syscall_latency_stats(syscall_latency_stats_table) | |
1111 | self._print_disk_latency_stats(disk_latency_stats_table) | |
a9c9a2a6 | 1112 | |
a9c9a2a6 | 1113 | def _add_arguments(self, ap): |
b6d9132b AB |
1114 | Command._add_proc_filter_args(ap) |
1115 | Command._add_min_max_args(ap) | |
1116 | Command._add_log_args( | |
1117 | ap, help='Output the I/O requests in chronological order') | |
b9f05f8d AB |
1118 | Command._add_top_args( |
1119 | ap, help='Output the top I/O latencies by category') | |
b6d9132b AB |
1120 | Command._add_stats_args(ap, help='Output the I/O latency statistics') |
1121 | Command._add_freq_args( | |
1122 | ap, help='Output the I/O latency frequency distribution') | |
73b71522 | 1123 | ap.add_argument('--usage', action='store_true', |
b6d9132b AB |
1124 | help='Output the I/O usage') |
1125 | ap.add_argument('--minsize', type=float, | |
1126 | help='Filter out, I/O operations working with ' | |
1127 | 'less that minsize bytes') | |
1128 | ap.add_argument('--maxsize', type=float, | |
1129 | help='Filter out, I/O operations working with ' | |
1130 | 'more that maxsize bytes') | |
b6d9132b AB |
1131 | |
1132 | ||
a0acc08c PP |
1133 | def _run(mi_mode): |
1134 | iocmd = IoAnalysisCommand(mi_mode=mi_mode) | |
b6d9132b | 1135 | iocmd.run() |
1c0f0e3c | 1136 | |
a9c9a2a6 | 1137 | |
a0acc08c PP |
1138 | def _runstats(mi_mode): |
1139 | sys.argv.insert(1, '--stats') | |
1140 | _run(mi_mode) | |
1141 | ||
1142 | ||
1143 | def _runlog(mi_mode): | |
1144 | sys.argv.insert(1, '--log') | |
1145 | _run(mi_mode) | |
1146 | ||
1147 | ||
1148 | def _runfreq(mi_mode): | |
1149 | sys.argv.insert(1, '--freq') | |
1150 | _run(mi_mode) | |
1151 | ||
1152 | ||
1153 | def _runlatencytop(mi_mode): | |
b6d9132b | 1154 | sys.argv.insert(1, '--top') |
a0acc08c PP |
1155 | _run(mi_mode) |
1156 | ||
1157 | ||
1158 | def _runusage(mi_mode): | |
1159 | sys.argv.insert(1, '--usage') | |
1160 | _run(mi_mode) | |
1161 | ||
1162 | ||
1163 | def runstats(): | |
1164 | _runstats(mi_mode=False) | |
275bdbb4 JD |
1165 | |
1166 | ||
1c0f0e3c | 1167 | def runlog(): |
a0acc08c | 1168 | _runlog(mi_mode=False) |
1c0f0e3c JD |
1169 | |
1170 | ||
1171 | def runfreq(): | |
a0acc08c PP |
1172 | _runfreq(mi_mode=False) |
1173 | ||
1174 | ||
1175 | def runlatencytop(): | |
1176 | _runlatencytop(mi_mode=False) | |
1c0f0e3c JD |
1177 | |
1178 | ||
1179 | def runusage(): | |
a0acc08c PP |
1180 | _runusage(mi_mode=False) |
1181 | ||
1182 | ||
1183 | def runstats_mi(): | |
1184 | _runstats(mi_mode=True) | |
1185 | ||
1186 | ||
1187 | def runlog_mi(): | |
1188 | _runlog(mi_mode=True) | |
1189 | ||
1190 | ||
1191 | def runfreq_mi(): | |
1192 | _runfreq(mi_mode=True) | |
1193 | ||
1194 | ||
1195 | def runlatencytop_mi(): | |
1196 | _runlatencytop(mi_mode=True) | |
1197 | ||
1198 | ||
1199 | def runusage_mi(): | |
1200 | _runusage(mi_mode=True) |