linux/tools/perf
Yang Jihong 94348520c6 perf kwork: Add irq report support
Implements irq kwork report function.

Test cases:

  # perf kwork record -- sleep 10
  [ perf record: Woken up 0 times to write data ]
  [ perf record: Captured and wrote 6.134 MB perf.data ]

  # perf kwork report

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    virtio0-requests:25            | 0000 |   1167.501 ms |     18284 |      1.096 ms |      44004.464905 s |      44004.466001 s |
    eth0:10                        | 0002 |      0.185 ms |         5 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report -C 2

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    eth0:10                        | 0002 |      0.185 ms |         5 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report -C 3

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report -i perf.data

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    virtio0-requests:25            | 0000 |   1167.501 ms |     18284 |      1.096 ms |      44004.464905 s |      44004.466001 s |
    eth0:10                        | 0002 |      0.185 ms |         5 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report -s max,freq

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    virtio0-requests:25            | 0000 |   1167.501 ms |     18284 |      1.096 ms |      44004.464905 s |      44004.466001 s |
    eth0:10                        | 0002 |      0.185 ms |         5 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report -S

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    virtio0-requests:25            | 0000 |   1167.501 ms |     18284 |      1.096 ms |      44004.464905 s |      44004.466001 s |
    eth0:10                        | 0002 |      0.185 ms |         5 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------
    Total count            :     18289
    Total runtime   (msec) :  1167.686 (0.115% load average)
    Total time span (msec) : 10159.155
   --------------------------------------------------------------------------------------------------------------------------------

  # perf kwork report --time 44005,

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    virtio0-requests:25            | 0000 |    402.173 ms |      4695 |      0.981 ms |      44007.831992 s |      44007.832973 s |
    eth0:10                        | 0002 |      0.089 ms |         2 |      0.058 ms |      44005.012222 s |      44005.012280 s |
   --------------------------------------------------------------------------------------------------------------------------------

Committer testing:

  # perf kwork report

    Kwork Name                     | Cpu  | Total Runtime | Count     | Max runtime   | Max runtime start   | Max runtime end     |
   --------------------------------------------------------------------------------------------------------------------------------
    nvme0q5:130                    | 0004 |      1.101 ms |        49 |      0.051 ms |      26035.056403 s |      26035.056455 s |
    amdgpu:162                     | 0002 |      0.176 ms |         9 |      0.046 ms |      26035.268020 s |      26035.268066 s |
    nvme0q24:149                   | 0023 |      0.161 ms |        55 |      0.009 ms |      26035.655280 s |      26035.655288 s |
    nvme0q20:145                   | 0019 |      0.090 ms |        33 |      0.014 ms |      26035.939018 s |      26035.939032 s |
    nvme0q31:156                   | 0030 |      0.075 ms |        21 |      0.010 ms |      26035.052237 s |      26035.052247 s |
    nvme0q8:133                    | 0007 |      0.062 ms |        12 |      0.021 ms |      26035.416840 s |      26035.416861 s |
    nvme0q6:131                    | 0005 |      0.054 ms |        22 |      0.010 ms |      26035.199919 s |      26035.199929 s |
    nvme0q19:144                   | 0018 |      0.052 ms |        14 |      0.010 ms |      26035.110615 s |      26035.110625 s |
    nvme0q7:132                    | 0006 |      0.049 ms |        13 |      0.007 ms |      26035.125180 s |      26035.125187 s |
    nvme0q18:143                   | 0017 |      0.033 ms |        14 |      0.007 ms |      26035.169698 s |      26035.169705 s |
    nvme0q17:142                   | 0016 |      0.013 ms |         1 |      0.013 ms |      26035.565147 s |      26035.565160 s |
    enp5s0-rx-0:164                | 0006 |      0.004 ms |         4 |      0.002 ms |      26035.928882 s |      26035.928884 s |
    enp5s0-tx-0:166                | 0008 |      0.003 ms |         3 |      0.002 ms |      26035.870923 s |      26035.870925 s |
   --------------------------------------------------------------------------------------------------------------------------------

  #

Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220709015033.38326-8-yangjihong1@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-07-26 16:31:54 -03:00
..
arch perf tsc: Add cpuinfo fall back for arch_get_tsc_freq() 2022-07-25 12:29:07 -03:00
bench Merge remote-tracking branch 'torvalds/master' into perf/core 2022-05-23 09:32:49 -03:00
dlfilters perf dlfilter: Drop unused variable 2021-12-16 12:18:11 -03:00
Documentation perf kwork: Implement 'report' subcommand 2022-07-26 16:30:05 -03:00
examples/bpf perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
include perf dlfilter: Add machine_pid and vcpu 2022-07-20 11:08:13 -03:00
jvmti perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
pmu-events perf jevents: Remove jevents.c 2022-06-29 18:39:10 -03:00
python perf python: Convert tracepoint.py example to python3 2022-04-01 16:19:35 -03:00
scripts perf python: Ignore unused command line arguments when building with clang 2022-07-20 15:14:39 -03:00
tests perf test: Add test for #system_tsc_freq in metrics 2022-07-25 12:29:07 -03:00
trace perf trace beauty: Fix generation of errno id->str table on ALT Linux 2022-06-26 12:32:55 -03:00
ui perf annotate: Avoid TUI crash when navigating in the annotation of recursive functions 2022-01-10 15:47:30 -03:00
util perf kwork: Implement 'report' subcommand 2022-07-26 16:30:05 -03:00
.gitignore perf tools: Delete perf-with-kcore.sh script 2022-04-27 20:11:26 -03:00
Build perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
builtin-annotate.c perf gtk: Only support --gtk if compiled in 2022-07-20 11:09:11 -03:00
builtin-bench.c perf bench: Add breakpoint benchmarks 2022-05-13 11:00:38 -03:00
builtin-buildid-cache.c perf record: Disable debuginfod by default 2022-01-15 17:41:25 -03:00
builtin-buildid-list.c perf buildid-list: Add a "-m" option to show kernel and modules build-ids 2022-07-18 16:35:34 -03:00
builtin-c2c.c perf c2c: Fix sorting in percent_rmt_hitm_cmp() 2022-06-03 21:40:15 +02:00
builtin-config.c
builtin-daemon.c perf daemon: Remove duplicate sys/file.h include 2021-10-08 15:14:50 -03:00
builtin-data.c perf data: Don't mention --to-ctf if it's not supported 2022-02-22 21:23:08 -03:00
builtin-diff.c perf tools: Remove repipe argument from perf_session__new() 2021-08-02 10:06:51 -03:00
builtin-evlist.c perf tools: Remove repipe argument from perf_session__new() 2021-08-02 10:06:51 -03:00
builtin-ftrace.c perf evlist: Rename cpus to user_requested_cpus 2022-04-01 16:19:35 -03:00
builtin-help.c
builtin-inject.c perf inject: Add support for injecting guest sideband events 2022-07-20 11:08:37 -03:00
builtin-kallsyms.c
builtin-kmem.c perf tools: Enhance the matching of sub-commands abbreviations 2022-03-26 10:55:57 -03:00
builtin-kvm.c perf kvm report: Add guest_code support 2022-05-23 10:19:15 -03:00
builtin-kwork.c perf kwork: Add irq report support 2022-07-26 16:31:54 -03:00
builtin-list.c perf list: Display hybrid PMU events with cpu type 2021-10-25 13:47:42 -03:00
builtin-lock.c perf lock: Support -t option for 'contention' subcommand 2022-07-25 17:58:42 -03:00
builtin-mem.c perf tools: Enhance the matching of sub-commands abbreviations 2022-03-26 10:55:57 -03:00
builtin-probe.c perf namespaces: Add functions to access nsinfo 2022-02-11 14:31:22 -03:00
builtin-record.c perf record: Add finished init event 2022-06-23 11:54:22 -03:00
builtin-report.c perf gtk: Only support --gtk if compiled in 2022-07-20 11:09:11 -03:00
builtin-sched.c perf tools: Enhance the matching of sub-commands abbreviations 2022-03-26 10:55:57 -03:00
builtin-script.c perf script: Add machine_pid and vcpu 2022-07-20 11:08:13 -03:00
builtin-stat.c perf stat: Enable ignore_missing_thread 2022-06-26 12:32:55 -03:00
builtin-timechart.c perf tools: Enhance the matching of sub-commands abbreviations 2022-03-26 10:55:57 -03:00
builtin-top.c perf evlist: Rename cpus to user_requested_cpus 2022-04-01 16:19:35 -03:00
builtin-trace.c perf trace: Fix SIGSEGV when processing syscall args 2022-07-17 10:59:52 -03:00
builtin-version.c perf version: Add HAVE_DEBUGINFOD_SUPPORT to built-in features 2022-04-20 13:32:09 -03:00
builtin.h perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
check-headers.sh tools arm64: Import cputype.h 2022-03-26 10:53:45 -03:00
command-list.txt perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
CREDITS
design.txt perf design.txt: Synchronize the definition of enum perf_hw_id with code 2021-11-13 18:11:50 -03:00
Makefile perf tools: Add a build-test variant to use in builds from a tarball 2021-04-20 08:43:58 -03:00
Makefile.config perf build: Avoid defining _FORTIFY_SOURCE multiple times 2022-07-20 13:21:45 -03:00
Makefile.perf perf jevents: Remove jevents.c 2022-06-29 18:39:10 -03:00
MANIFEST perf MANIFEST: Add bpftool files to allow building with BUILD_BPF_SKEL=1 2021-11-07 15:39:28 -03:00
perf-archive.sh perf archive: Fix filtering of empty build-ids 2021-03-06 16:54:31 -03:00
perf-completion.sh
perf-iostat.sh perf stat: Enable iostat mode for x86 platforms 2021-04-20 08:40:20 -03:00
perf-read-vdso.c
perf-sys.h
perf.c perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
perf.h