linux

iv/linux

History

Yang Jihong 4c14819169 perf kwork: Add softirq report support Implements softirq kwork report function. Test cases: # perf kwork -k softirq rep Kwork Name \| Cpu \| Total Runtime \| Count \| Max runtime \| Max runtime start \| Max runtime end \| -------------------------------------------------------------------------------------------------------------------------------- (s)TIMER:1 \| 0003 \| 181.387 ms \| 2476 \| 1.240 ms \| 44004.787960 s \| 44004.789201 s \| (s)RCU:9 \| 0003 \| 91.573 ms \| 2193 \| 0.650 ms \| 44004.790258 s \| 44004.790908 s \| (s)RCU:9 \| 0001 \| 78.960 ms \| 1619 \| 1.195 ms \| 44001.496553 s \| 44001.497749 s \| (s)SCHED:7 \| 0003 \| 55.962 ms \| 1255 \| 0.954 ms \| 44004.812008 s \| 44004.812962 s \| ... <SNIP> ... (s)RCU:9 \| 0004 \| 0.830 ms \| 26 \| 0.058 ms \| 43997.666418 s \| 43997.666476 s \| (s)TIMER:1 \| 0001 \| 0.471 ms \| 4 \| 0.158 ms \| 44007.834694 s \| 44007.834852 s \| (s)RCU:9 \| 0006 \| 0.220 ms \| 7 \| 0.048 ms \| 44004.833764 s \| 44004.833812 s \| (s)NET_RX:3 \| 0002 \| 0.164 ms \| 5 \| 0.049 ms \| 44005.012418 s \| 44005.012466 s \| (s)TIMER:1 \| 0005 \| 0.164 ms \| 1 \| 0.164 ms \| 44007.820474 s \| 44007.820638 s \| (s)TIMER:1 \| 0006 \| 0.087 ms \| 1 \| 0.087 ms \| 44000.830807 s \| 44000.830894 s \| (s)SCHED:7 \| 0006 \| 0.080 ms \| 2 \| 0.044 ms \| 43997.826145 s \| 43997.826189 s \| -------------------------------------------------------------------------------------------------------------------------------- # # perf kwork -k softirq rep -S Kwork Name \| Cpu \| Total Runtime \| Count \| Max runtime \| Max runtime start \| Max runtime end \| -------------------------------------------------------------------------------------------------------------------------------- (s)TIMER:1 \| 0003 \| 181.387 ms \| 2476 \| 1.240 ms \| 44004.787960 s \| 44004.789201 s \| (s)RCU:9 \| 0003 \| 91.573 ms \| 2193 \| 0.650 ms \| 44004.790258 s \| 44004.790908 s \| (s)RCU:9 \| 0001 \| 78.960 ms \| 1619 \| 1.195 ms \| 44001.496553 s \| 44001.497749 s \| (s)SCHED:7 \| 0000 \| 63.631 ms \| 680 \| 2.690 ms \| 44006.721976 s \| 44006.724666 s \| ... <SNIP> ... (s)SCHED:7 \| 0003 \| 55.962 ms \| 1255 \| 0.954 ms \| 44004.812008 s \| 44004.812962 s \| (s)RCU:9 \| 0006 \| 0.220 ms \| 7 \| 0.048 ms \| 44004.833764 s \| 44004.833812 s \| (s)NET_RX:3 \| 0002 \| 0.164 ms \| 5 \| 0.049 ms \| 44005.012418 s \| 44005.012466 s \| (s)TIMER:1 \| 0005 \| 0.164 ms \| 1 \| 0.164 ms \| 44007.820474 s \| 44007.820638 s \| (s)TIMER:1 \| 0006 \| 0.087 ms \| 1 \| 0.087 ms \| 44000.830807 s \| 44000.830894 s \| (s)SCHED:7 \| 0006 \| 0.080 ms \| 2 \| 0.044 ms \| 43997.826145 s \| 43997.826189 s \| -------------------------------------------------------------------------------------------------------------------------------- Total count : 12748 Total runtime (msec) : 661.433 (0.065% load average) Total time span (msec) : 10176.441 -------------------------------------------------------------------------------------------------------------------------------- # # perf kwork -k softirq rep -s count,max Kwork Name \| Cpu \| Total Runtime \| Count \| Max runtime \| Max runtime start \| Max runtime end \| -------------------------------------------------------------------------------------------------------------------------------- (s)TIMER:1 \| 0003 \| 181.387 ms \| 2476 \| 1.240 ms \| 44004.787960 s \| 44004.789201 s \| (s)RCU:9 \| 0003 \| 91.573 ms \| 2193 \| 0.650 ms \| 44004.790258 s \| 44004.790908 s \| (s)SCHED:7 \| 0002 \| 50.039 ms \| 1731 \| 0.074 ms \| 44005.009447 s \| 44005.009521 s \| (s)RCU:9 \| 0001 \| 78.960 ms \| 1619 \| 1.195 ms \| 44001.496553 s \| 44001.497749 s \| (s)SCHED:7 \| 0003 \| 55.962 ms \| 1255 \| 0.954 ms \| 44004.812008 s \| 44004.812962 s \| ... <SNIP> ... (s)RCU:9 \| 0002 \| 35.241 ms \| 932 \| 0.407 ms \| 44005.009541 s \| 44005.009949 s \| (s)RCU:9 \| 0000 \| 45.710 ms \| 702 \| 1.144 ms \| 44004.787023 s \| 44004.788167 s \| (s)SCHED:7 \| 0006 \| 0.080 ms \| 2 \| 0.044 ms \| 43997.826145 s \| 43997.826189 s \| (s)TIMER:1 \| 0005 \| 0.164 ms \| 1 \| 0.164 ms \| 44007.820474 s \| 44007.820638 s \| (s)TIMER:1 \| 0006 \| 0.087 ms \| 1 \| 0.087 ms \| 44000.830807 s \| 44000.830894 s \| -------------------------------------------------------------------------------------------------------------------------------- Committer testing: # perf kwork -k softirq report -C 2 -s count,max Kwork Name \| Cpu \| Total Runtime \| Count \| Max runtime \| Max runtime start \| Max runtime end \| -------------------------------------------------------------------------------------------------------------------------------- (s)SCHED:7 \| 0002 \| 0.980 ms \| 159 \| 0.024 ms \| 26035.571037 s \| 26035.571061 s \| (s)RCU:9 \| 0002 \| 0.124 ms \| 88 \| 0.021 ms \| 26035.177050 s \| 26035.177071 s \| (s)TIMER:1 \| 0002 \| 0.122 ms \| 56 \| 0.007 ms \| 26035.468045 s \| 26035.468052 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/20220709015033.38326-9-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 softirq 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