Yang Jihong 8dbc3c8689 perf kwork: Add workqueue report support ... Implements workqueue report function. Test cases: # perf kwork -k workqueue rep Kwork Name | Cpu | Total Runtime | Count | Max runtime | Max runtime start | Max runtime end | -------------------------------------------------------------------------------------------------------------------------------- (w)gc_worker | 0001 | 1912.389 ms | 173 | 12.896 ms | 44002.050787 s | 44002.063683 s | (w)mix_interrupt_randomness | 0000 | 24.308 ms | 285 | 3.349 ms | 44004.784908 s | 44004.788257 s | (w)e1000_watchdog | 0002 | 5.332 ms | 5 | 2.059 ms | 44000.914366 s | 44000.916424 s | (w)vmstat_update | 0005 | 0.989 ms | 2 | 0.953 ms | 43997.986991 s | 43997.987944 s | (w)vmstat_shepherd | 0000 | 0.964 ms | 8 | 0.195 ms | 43997.986453 s | 43997.986648 s | (w)vmstat_update | 0003 | 0.306 ms | 6 | 0.077 ms | 44004.689543 s | 44004.689620 s | (w)vmstat_update | 0000 | 0.196 ms | 5 | 0.049 ms | 44005.713732 s | 44005.713781 s | (w)vmstat_update | 0001 | 0.162 ms | 2 | 0.130 ms | 44000.192034 s | 44000.192164 s | (w)mix_interrupt_randomness | 0002 | 0.114 ms | 5 | 0.037 ms | 44005.012625 s | 44005.012662 s | (w)vmstat_update | 0002 | 0.084 ms | 2 | 0.043 ms | 44004.817702 s | 44004.817745 s | (w)vmstat_update | 0006 | 0.067 ms | 2 | 0.041 ms | 43997.987214 s | 43997.987254 s | (w)neigh_periodic_work | 0004 | 0.039 ms | 1 | 0.039 ms | 43999.929935 s | 43999.929974 s | (w)vmstat_update | 0007 | 0.037 ms | 1 | 0.037 ms | 43997.988969 s | 43997.989006 s | (w)neigh_managed_work | 0001 | 0.036 ms | 1 | 0.036 ms | 43997.665813 s | 43997.665849 s | (w)neigh_managed_work | 0004 | 0.036 ms | 1 | 0.036 ms | 44002.953507 s | 44002.953543 s | (w)vmstat_update | 0004 | 0.027 ms | 1 | 0.027 ms | 43997.913973 s | 43997.914000 s | -------------------------------------------------------------------------------------------------------------------------------- # perf kwork -k workqueue rep -S Kwork Name | Cpu | Total Runtime | Count | Max runtime | Max runtime start | Max runtime end | -------------------------------------------------------------------------------------------------------------------------------- (w)gc_worker | 0001 | 1912.389 ms | 173 | 12.896 ms | 44002.050787 s | 44002.063683 s | (w)mix_interrupt_randomness | 0000 | 24.308 ms | 285 | 3.349 ms | 44004.784908 s | 44004.788257 s | (w)e1000_watchdog | 0002 | 5.332 ms | 5 | 2.059 ms | 44000.914366 s | 44000.916424 s | (w)vmstat_update | 0005 | 0.989 ms | 2 | 0.953 ms | 43997.986991 s | 43997.987944 s | (w)vmstat_shepherd | 0000 | 0.964 ms | 8 | 0.195 ms | 43997.986453 s | 43997.986648 s | (w)vmstat_update | 0003 | 0.306 ms | 6 | 0.077 ms | 44004.689543 s | 44004.689620 s | (w)vmstat_update | 0000 | 0.196 ms | 5 | 0.049 ms | 44005.713732 s | 44005.713781 s | (w)vmstat_update | 0001 | 0.162 ms | 2 | 0.130 ms | 44000.192034 s | 44000.192164 s | (w)mix_interrupt_randomness | 0002 | 0.114 ms | 5 | 0.037 ms | 44005.012625 s | 44005.012662 s | (w)vmstat_update | 0002 | 0.084 ms | 2 | 0.043 ms | 44004.817702 s | 44004.817745 s | (w)vmstat_update | 0006 | 0.067 ms | 2 | 0.041 ms | 43997.987214 s | 43997.987254 s | (w)neigh_periodic_work | 0004 | 0.039 ms | 1 | 0.039 ms | 43999.929935 s | 43999.929974 s | (w)vmstat_update | 0007 | 0.037 ms | 1 | 0.037 ms | 43997.988969 s | 43997.989006 s | (w)neigh_managed_work | 0001 | 0.036 ms | 1 | 0.036 ms | 43997.665813 s | 43997.665849 s | (w)neigh_managed_work | 0004 | 0.036 ms | 1 | 0.036 ms | 44002.953507 s | 44002.953543 s | (w)vmstat_update | 0004 | 0.027 ms | 1 | 0.027 ms | 43997.913973 s | 43997.914000 s | -------------------------------------------------------------------------------------------------------------------------------- Total count : 500 Total runtime (msec) : 1945.085 (0.192% load average) Total time span (msec) : 10155.026 -------------------------------------------------------------------------------------------------------------------------------- # perf kwork -k workqueue rep -n vmstat_update Kwork Name | Cpu | Total Runtime | Count | Max runtime | Max runtime start | Max runtime end | -------------------------------------------------------------------------------------------------------------------------------- (w)vmstat_update | 0005 | 0.989 ms | 2 | 0.953 ms | 43997.986991 s | 43997.987944 s | (w)vmstat_update | 0003 | 0.306 ms | 6 | 0.077 ms | 44004.689543 s | 44004.689620 s | (w)vmstat_update | 0000 | 0.196 ms | 5 | 0.049 ms | 44005.713732 s | 44005.713781 s | (w)vmstat_update | 0001 | 0.162 ms | 2 | 0.130 ms | 44000.192034 s | 44000.192164 s | (w)vmstat_update | 0002 | 0.084 ms | 2 | 0.043 ms | 44004.817702 s | 44004.817745 s | (w)vmstat_update | 0006 | 0.067 ms | 2 | 0.041 ms | 43997.987214 s | 43997.987254 s | (w)vmstat_update | 0007 | 0.037 ms | 1 | 0.037 ms | 43997.988969 s | 43997.989006 s | (w)vmstat_update | 0004 | 0.027 ms | 1 | 0.027 ms | 43997.913973 s | 43997.914000 s | -------------------------------------------------------------------------------------------------------------------------------- Committer testing: # perf kwork -k workqueue rep -C 1 | head -20 Kwork Name | Cpu | Total Runtime | Count | Max runtime | Max runtime start | Max runtime end | -------------------------------------------------------------------------------------------------------------------------------- (w)commit_work | 0001 | 25.896 ms | 2 | 13.200 ms | 26522.906700 s | 26522.919900 s | (w)commit_work | 0001 | 13.316 ms | 1 | 13.316 ms | 26522.573246 s | 26522.586562 s | (w)commit_work | 0001 | 13.177 ms | 1 | 13.177 ms | 26522.673406 s | 26522.686583 s | (w)commit_work | 0001 | 12.630 ms | 1 | 12.630 ms | 26522.123921 s | 26522.136551 s | (w)btrfs_work_helper | 0001 | 3.544 ms | 1 | 3.544 ms | 26529.131296 s | 26529.134840 s | (w)btrfs_work_helper | 0001 | 3.330 ms | 1 | 3.330 ms | 26529.137698 s | 26529.141028 s | (w)btrfs_work_helper | 0001 | 2.855 ms | 1 | 2.855 ms | 26529.134842 s | 26529.137697 s | (w)btrfs_work_helper | 0001 | 2.757 ms | 1 | 2.757 ms | 26529.124086 s | 26529.126843 s | (w)btrfs_work_helper | 0001 | 2.182 ms | 1 | 2.182 ms | 26529.141030 s | 26529.143212 s | (w)btrfs_work_helper | 0001 | 1.743 ms | 1 | 1.743 ms | 26520.415335 s | 26520.417078 s | (w)btrfs_work_helper | 0001 | 1.499 ms | 1 | 1.499 ms | 26529.127774 s | 26529.129272 s | (w)btrfs_work_helper | 0001 | 1.446 ms | 1 | 1.446 ms | 26529.129848 s | 26529.131294 s | (w)btrfs_work_helper | 0001 | 1.373 ms | 1 | 1.373 ms | 26523.808270 s | 26523.809643 s | (w)wb_workfn | 0001 | 1.165 ms | 2 | 0.763 ms | 26527.071056 s | 26527.071819 s | (w)btrfs_work_helper | 0001 | 0.926 ms | 1 | 0.926 ms | 26529.126846 s | 26529.127771 s | (w)btrfs_work_helper | 0001 | 0.571 ms | 1 | 0.571 ms | 26529.129275 s | 26529.129846 s | (w)wb_workfn | 0001 | 0.525 ms | 1 | 0.525 ms | 26522.975151 s | 26522.975676 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/20220709015033.38326-10-yangjihong1@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2022-07-26 16:31:54 -03:00
..
accounting	delayacct: track delays from write-protect copy	2022-06-01 15:55:25 -07:00
arch	Merge remote-tracking branch 'torvalds/master' into perf/core	2022-07-18 10:36:11 -03:00
bootconfig
bpf	bpftool: Use sysfs vmlinux when dumping BTF by ID	2022-05-13 16:07:53 -07:00
build	perf build: Stop using __weak bpf_map_create() to handle older libbpf versions	2022-05-26 12:36:56 -03:00
certs	tools/certs: Add print-cert-tbs-hash.sh	2022-05-23 18:47:49 +03:00
cgroup
counter
debugging
edid
firewire
firmware
gpio	tools: gpio: Add new hardware clock type	2022-05-04 11:06:14 +02:00
hv
iio
include	tools lib: Add list_last_entry_or_null()	2022-07-26 16:02:13 -03:00
io_uring
kvm/kvm_stat	tools/kvm_stat: fix display of error when multiple processes are found	2022-06-15 08:14:20 -04:00
laptop
leds
lib	perf auxtrace: Add machine_pid and vcpu to auxtrace_error	2022-07-20 11:08:17 -03:00
memory-model	tools/memory-model/README: Update klitmus7 compat table	2022-05-03 10:12:48 -07:00
objtool	Just when you thought that all the speculation bugs were addressed and	2022-07-11 18:15:25 -07:00
pci
pcmcia
perf	perf kwork: Add workqueue report support	2022-07-26 16:31:54 -03:00
power	Power management updates for 5.19-rc1	2022-05-24 16:04:25 -07:00
rcu
scripts
spi
testing	selftests/net: test nexthop without gw	2022-07-14 14:41:19 +02:00
thermal	tools/thermal: remove unneeded semicolon	2022-05-19 12:11:52 +02:00
time
tracing	rtla: Remove procps-ng dependency	2022-05-26 15:20:46 -04:00
usb	testusb: Fix warning comparing pointer to 0	2022-04-26 13:32:49 +02:00
virtio
vm	mm/page-flags: reuse PG_mappedtodisk as PG_anon_exclusive for PageAnon() pages	2022-05-09 18:20:44 -07:00
wmi
Makefile	Thermal control updates for 5.19-rc1	2022-05-24 16:19:30 -07:00