| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 2 Dec 2015 13:51:13 +0000 From: "Liang, Kan" <kan.liang@...el.com> To: Jiri Olsa <jolsa@...nel.org>, Arnaldo Carvalho de Melo <acme@...nel.org> CC: Andi Kleen <andi@...stfloor.org>, Ulrich Drepper <drepper@...il.com>, Will Deacon <will.deacon@....com>, Stephane Eranian <eranian@...gle.com>, Don Zickus <dzickus@...hat.com>, lkml <linux-kernel@...r.kernel.org>, "David Ahern" <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: RE: [PATCHv6 00/25] perf stat: Add scripting support Hi Arnaldo and Jirka, Any update about the status of this patchset? Thanks, Kan > hi, > sending another version of stat scripting. > > v6 changes: > - several patches from v4 already taken > - perf stat record can now place 'record' keyword > anywhere within stat options > - placed STAT feature checking earlier into record > patches so commands processing perf.data recognize > stat data and skip sample_type checking > - rebased on Arnaldo's perf/stat > - added Tested-by: Kan Liang <kan.liang@...el.com> > > v5 changes: > - several patches from v4 already taken > - using u16 for cpu number in cpu_map_event > - renamed PERF_RECORD_HEADER_ATTR_UPDATE to > PERF_RECORD_EVENT_UPDATE > - moved low hanging fuits patches to the start of the patchset > - patchset tested by Kan Liang, thanks! > > v4 changes: > - added attr update event for event's cpumask > - forbig aggregation on task workloads > - some minor reorders and changelog fixes > > v3 changes: > - added attr update event to handle unit,scale,name for event > it fixed the uncore_imc_1/cas_count_read/ record/report > - perf report -D now displays stat related events > - some minor and changelog fixes > > v2 changes: > - rebased to latest Arnaldo's perf/core > - patches 1 to 11 already merged in > - added --per-core/--per-socket/-A options for perf stat report > command to allow custom aggregation in stat report, please > check new examples below > - couple changelogs changes > > The initial attempt defined its own formula lang and allowed triggering > user's script on the end of the stat command: > http://marc.info/?l=linux-kernel&m=136742146322273&w=2 > > This patchset abandons the idea of new formula language and rather adds > support to: > - store stat data into perf.data file > - add python support to process stat events > > Basically it allows to store stat data into perf.data and post process it with > python scripts in a similar way we do for sampling data. > > The stat data are stored in new stat, stat-round, stat-config user events. > stat - stored for each read syscall of the counter > stat round - stored for each interval or end of the command invocation > stat config - stores all the config information needed to process data > so report tool could restore the same output as record > > The python script can now define 'stat__<eventname>_<modifier>' > functions to get stat events data and 'stat__interval' to get stat-round data. > > See CPI script example in scripts/python/stat-cpi.py. > > Also available in: > git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > perf/stat_script > > thanks, > jirka > > Examples: > > - To record data for command stat workload: > > $ perf stat record kill > ... > > Performance counter stats for 'kill': > > 0.372007 task-clock (msec) # 0.613 CPUs utilized > 3 context-switches # 0.008 M/sec > 0 cpu-migrations # 0.000 K/sec > 62 page-faults # 0.167 M/sec > 1,129,973 cycles # 3.038 GHz > <not supported> stalled-cycles-frontend > <not supported> stalled-cycles-backend > 813,313 instructions # 0.72 insns per cycle > 166,161 branches # 446.661 M/sec > 8,747 branch-misses # 5.26% of all branches > > 0.000607287 seconds time elapsed > > - To report perf stat data: > > $ perf stat report > > Performance counter stats for '/home/jolsa/bin/perf stat record kill': > > 0.372007 task-clock (msec) # inf CPUs utilized > 3 context-switches # 0.008 M/sec > 0 cpu-migrations # 0.000 K/sec > 62 page-faults # 0.167 M/sec > 1,129,973 cycles # 3.038 GHz > <not supported> stalled-cycles-frontend > <not supported> stalled-cycles-backend > 813,313 instructions # 0.72 insns per cycle > 166,161 branches # 446.661 M/sec > 8,747 branch-misses # 5.26% of all branches > > 0.000000000 seconds time elapsed > > - To store system-wide period stat data: > > $ perf stat -e cycles:u,instructions:u -a -I 1000 record > # time counts unit events > 1.000265471 462,311,482 cycles:u (100.00%) > 1.000265471 590,037,440 instructions:u > 2.000483453 722,532,336 cycles:u (100.00%) > 2.000483453 848,678,197 instructions:u > 3.000759876 75,990,880 cycles:u (100.00%) > 3.000759876 86,187,813 instructions:u > ^C 3.213960893 85,329,533 cycles:u (100.00%) > 3.213960893 135,954,296 instructions:u > > - To report perf stat data: > > $ perf stat report > # time counts unit events > 1.000265471 462,311,482 cycles:u (100.00%) > 1.000265471 590,037,440 instructions:u > 2.000483453 722,532,336 cycles:u (100.00%) > 2.000483453 848,678,197 instructions:u > 3.000759876 75,990,880 cycles:u (100.00%) > 3.000759876 86,187,813 instructions:u > 3.213960893 85,329,533 cycles:u (100.00%) > 3.213960893 135,954,296 instructions:u > > - To run stat-cpi.py script over perf.data: > > $ perf script -s scripts/python/stat-cpi.py > 1.000265: cpu -1, thread -1 -> cpi 0.783529 (462311482/590037440) > 2.000483: cpu -1, thread -1 -> cpi 0.851362 (722532336/848678197) > 3.000760: cpu -1, thread -1 -> cpi 0.881689 (75990880/86187813) > 3.213961: cpu -1, thread -1 -> cpi 0.627634 (85329533/135954296) > > - To pipe data from stat to stat-cpi script: > > $ perf stat -e cycles:u,instructions:u -A -C 0 -I 1000 record | perf script -s > scripts/python/stat-cpi.py > 1.000192: cpu 0, thread -1 -> cpi 0.739535 (23921908/32347236) > 2.000376: cpu 0, thread -1 -> cpi 1.663482 (2519340/1514498) > 3.000621: cpu 0, thread -1 -> cpi 1.396308 (16162767/11575362) > 4.000700: cpu 0, thread -1 -> cpi 1.092246 (20077258/18381624) > 5.000867: cpu 0, thread -1 -> cpi 0.473816 (45157586/95306156) > 6.001034: cpu 0, thread -1 -> cpi 0.532792 (43701668/82023818) > 7.001195: cpu 0, thread -1 -> cpi 1.122059 (29890042/26638561) > > - Raw script stat data output: > > $ perf stat -e cycles:u,instructions:u -A -C 0 -I 1000 record | perf --no- > pager script > CPU THREAD VAL ENA RUN TIME EVENT > 0 -1 12302059 1000811347 1000810712 1000198821 cycles:u > 0 -1 2565362 1000823218 1000823218 1000198821 > instructions:u > 0 -1 14453353 1000812704 1000812704 2000382283 cycles:u > 0 -1 4600932 1000799342 1000799342 2000382283 > instructions:u > 0 -1 15245106 1000774425 1000774425 3000538255 cycles:u > 0 -1 2624324 1000769310 1000769310 3000538255 > instructions:u > > - To display different aggregation in report: > > $ perf stat -e cycles -a -I 1000 record sleep 3 > # time counts unit events > 1.000223609 703,427,617 cycles > 2.000443651 609,975,307 cycles > 3.000569616 668,479,597 cycles > 3.000735323 1,155,816 cycles > > $ perf stat report > # time counts unit events > 1.000223609 703,427,617 cycles > 2.000443651 609,975,307 cycles > 3.000569616 668,479,597 cycles > 3.000735323 1,155,816 cycles > > $ perf stat report --per-core > # time core cpus counts unit events > 1.000223609 S0-C0 2 327,612,412 cycles > 1.000223609 S0-C1 2 375,815,205 cycles > 2.000443651 S0-C0 2 287,462,177 cycles > 2.000443651 S0-C1 2 322,513,130 cycles > 3.000569616 S0-C0 2 271,571,908 cycles > 3.000569616 S0-C1 2 396,907,689 cycles > 3.000735323 S0-C0 2 694,977 cycles > 3.000735323 S0-C1 2 460,839 cycles > > $ perf stat report --per-socket > # time socket cpus counts unit events > 1.000223609 S0 4 703,427,617 cycles > 2.000443651 S0 4 609,975,307 cycles > 3.000569616 S0 4 668,479,597 cycles > 3.000735323 S0 4 1,155,816 cycles > > $ perf stat report -A > # time CPU counts unit events > 1.000223609 CPU0 205,431,505 cycles > 1.000223609 CPU1 122,180,907 cycles > 1.000223609 CPU2 176,649,682 cycles > 1.000223609 CPU3 199,165,523 cycles > 2.000443651 CPU0 148,447,922 cycles > 2.000443651 CPU1 139,014,255 cycles > 2.000443651 CPU2 204,436,559 cycles > 2.000443651 CPU3 118,076,571 cycles > 3.000569616 CPU0 149,788,954 cycles > 3.000569616 CPU1 121,782,954 cycles > 3.000569616 CPU2 247,277,700 cycles > 3.000569616 CPU3 149,629,989 cycles > 3.000735323 CPU0 269,675 cycles > 3.000735323 CPU1 425,302 cycles > 3.000735323 CPU2 364,169 cycles > 3.000735323 CPU3 96,670 cycles > > > Cc: Andi Kleen <andi@...stfloor.org> > Cc: Ulrich Drepper <drepper@...il.com> > Cc: Will Deacon <will.deacon@....com> > Cc: Stephane Eranian <eranian@...gle.com> > Cc: Don Zickus <dzickus@...hat.com> > Tested-by: Kan Liang <kan.liang@...el.com> > --- > Jiri Olsa (25): > perf stat: Make stat options global > perf stat record: Add record command > perf stat record: Initialize record features > perf stat record: Synthesize stat record data > perf stat record: Store events IDs in perf data file > perf stat record: Add pipe support for record command > perf stat record: Write stat events on record > perf stat record: Write stat round events on record > perf stat record: Do not allow record with multiple runs mode > perf stat record: Synthesize event update events > perf stat report: Add report command > perf stat report: Process cpu/threads maps > perf stat report: Process stat config event > perf stat report: Add support to initialize aggr_map from file > perf stat report: Process stat and stat round events > perf stat report: Process event update events > perf stat report: Move csv_sep initialization before report command > perf stat report: Allow to override aggr_mode > perf script: Process cpu/threads maps > perf script: Process stat config event > perf script: Add process_stat/process_stat_interval scripting interface > perf script: Add stat default handlers > perf script: Display stat events by default > perf script: Add python support for stat events > perf script: Add stat-cpi.py script > > tools/perf/Documentation/perf-stat.txt | 34 ++++ > tools/perf/builtin-script.c | 139 +++++++++++++++ > tools/perf/builtin-stat.c | 742 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++--------- > tools/perf/scripts/python/stat-cpi.py | 74 ++++++++ > tools/perf/util/evlist.c | 6 +- > tools/perf/util/evlist.h | 3 + > tools/perf/util/scripting-engines/trace-event-python.c | 114 > +++++++++++- > tools/perf/util/session.c | 3 + > tools/perf/util/trace-event.h | 4 + > 9 files changed, 1021 insertions(+), 98 deletions(-) create mode 100644 > tools/perf/scripts/python/stat-cpi.py -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists