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Yang Jihong authored
Provide the following options for perf kwork top: 1. -C, --cpu <cpu> list of cpus to profile 2. -i, --input <file> input file name 3. -n, --name <name> event name to profile 4. -s, --sort <key[,key2...]> sort by key(s): rate, runtime, tid 5. --time <str> Time span for analysis (start,stop) Example usage: # perf kwork top -h Usage: perf kwork top [<options>] -C, --cpu <cpu> list of cpus to profile -i, --input <file> input file name -n, --name <name> event name to profile -s, --sort <key[,key2...]> sort by key(s): rate, runtime, tid --time <str> Time span for analysis (start,stop) # perf kwork top -C 2,4,5 Total : 51226.940 ms, 3 cpus %Cpu(s): 92.59% id, 0.00% hi, 0.09% si %Cpu2 [| 4.61%] %Cpu4 [ 0.01%] %Cpu5 [||||| 17.31%] PID %CPU RUNTIME COMMMAND ---------------------------------------------------- 0 99.98 17073.515 ms swapper/4 0 95.17 16250.874 ms swapper/2 0 82.62 14108.577 ms swapper/5 4342 21.70 3708.358 ms perf 16 0.13 22.296 ms rcu_preempt 75 0.02 4.261 ms kworker/2:1 98 0.01 2.540 ms jbd2/sda-8 61 0.01 3.404 ms kcompactd0 87 0.00 0.145 ms kworker/5:1H 73 0.00 0.596 ms kworker/5:1 41 0.00 0.041 ms ksoftirqd/5 40 0.00 0.718 ms migration/5 64 0.00 0.115 ms kworker/4:1 35 0.00 0.556 ms migration/4 353 0.00 1.143 ms sshd 26 0.00 1.665 ms ksoftirqd/2 25 0.00 0.662 ms migration/2 # perf kwork top -i perf.data Total : 136601.588 ms, 8 cpus %Cpu(s): 95.66% id, 0.04% hi, 0.05% si %Cpu0 [ 0.02%] %Cpu1 [ 0.01%] %Cpu2 [| 4.61%] %Cpu3 [ 0.04%] %Cpu4 [ 0.01%] %Cpu5 [||||| 17.31%] %Cpu6 [ 0.51%] %Cpu7 [||| 11.42%] PID %CPU RUNTIME COMMMAND ---------------------------------------------------- 0 99.98 17073.515 ms swapper/4 0 99.98 17072.173 ms swapper/1 0 99.93 17064.229 ms swapper/3 0 99.62 17011.013 ms swapper/0 0 99.47 16985.180 ms swapper/6 0 95.17 16250.874 ms swapper/2 0 88.51 15111.684 ms swapper/7 0 82.62 14108.577 ms swapper/5 4342 33.00 5644.045 ms perf 4344 0.43 74.351 ms perf 16 0.13 22.296 ms rcu_preempt 4345 0.05 10.093 ms perf 4343 0.05 8.769 ms perf 4341 0.02 4.882 ms perf 4095 0.02 4.605 ms kworker/7:1 75 0.02 4.261 ms kworker/2:1 120 0.01 1.909 ms systemd-journal 98 0.01 2.540 ms jbd2/sda-8 61 0.01 3.404 ms kcompactd0 667 0.01 2.542 ms kworker/u16:2 4340 0.00 1.052 ms kworker/7:2 97 0.00 0.489 ms kworker/7:1H 51 0.00 0.209 ms ksoftirqd/7 50 0.00 0.646 ms migration/7 76 0.00 0.753 ms kworker/6:1 45 0.00 0.572 ms migration/6 87 0.00 0.145 ms kworker/5:1H 73 0.00 0.596 ms kworker/5:1 41 0.00 0.041 ms ksoftirqd/5 40 0.00 0.718 ms migration/5 64 0.00 0.115 ms kworker/4:1 35 0.00 0.556 ms migration/4 353 0.00 2.600 ms sshd 74 0.00 0.205 ms kworker/3:1 33 0.00 1.576 ms kworker/3:0H 30 0.00 0.996 ms migration/3 26 0.00 1.665 ms ksoftirqd/2 25 0.00 0.662 ms migration/2 397 0.00 0.057 ms kworker/1:1 20 0.00 1.005 ms migration/1 2909 0.00 1.053 ms kworker/0:2 17 0.00 0.720 ms migration/0 15 0.00 0.039 ms ksoftirqd/0 # perf kwork top -n perf Total : 136601.588 ms, 8 cpus %Cpu(s): 95.66% id, 0.04% hi, 0.05% si %Cpu0 [ 0.01%] %Cpu1 [ 0.00%] %Cpu2 [| 4.44%] %Cpu3 [ 0.00%] %Cpu4 [ 0.00%] %Cpu5 [ 0.00%] %Cpu6 [ 0.49%] %Cpu7 [||| 11.38%] PID %CPU RUNTIME COMMMAND ---------------------------------------------------- 4342 15.74 2695.516 ms perf 4344 0.43 74.351 ms perf 4345 0.05 10.093 ms perf 4343 0.05 8.769 ms perf 4341 0.02 4.882 ms perf # perf kwork top -s tid Total : 136601.588 ms, 8 cpus %Cpu(s): 95.66% id, 0.04% hi, 0.05% si %Cpu0 [ 0.02%] %Cpu1 [ 0.01%] %Cpu2 [| 4.61%] %Cpu3 [ 0.04%] %Cpu4 [ 0.01%] %Cpu5 [||||| 17.31%] %Cpu6 [ 0.51%] %Cpu7 [||| 11.42%] PID %CPU RUNTIME COMMMAND ---------------------------------------------------- 0 99.62 17011.013 ms swapper/0 0 99.98 17072.173 ms swapper/1 0 95.17 16250.874 ms swapper/2 0 99.93 17064.229 ms swapper/3 0 99.98 17073.515 ms swapper/4 0 82.62 14108.577 ms swapper/5 0 99.47 16985.180 ms swapper/6 0 88.51 15111.684 ms swapper/7 15 0.00 0.039 ms ksoftirqd/0 16 0.13 22.296 ms rcu_preempt 17 0.00 0.720 ms migration/0 20 0.00 1.005 ms migration/1 25 0.00 0.662 ms migration/2 26 0.00 1.665 ms ksoftirqd/2 30 0.00 0.996 ms migration/3 33 0.00 1.576 ms kworker/3:0H 35 0.00 0.556 ms migration/4 40 0.00 0.718 ms migration/5 41 0.00 0.041 ms ksoftirqd/5 45 0.00 0.572 ms migration/6 50 0.00 0.646 ms migration/7 51 0.00 0.209 ms ksoftirqd/7 61 0.01 3.404 ms kcompactd0 64 0.00 0.115 ms kworker/4:1 73 0.00 0.596 ms kworker/5:1 74 0.00 0.205 ms kworker/3:1 75 0.02 4.261 ms kworker/2:1 76 0.00 0.753 ms kworker/6:1 87 0.00 0.145 ms kworker/5:1H 97 0.00 0.489 ms kworker/7:1H 98 0.01 2.540 ms jbd2/sda-8 120 0.01 1.909 ms systemd-journal 353 0.00 2.600 ms sshd 397 0.00 0.057 ms kworker/1:1 667 0.01 2.542 ms kworker/u16:2 2909 0.00 1.053 ms kworker/0:2 4095 0.02 4.605 ms kworker/7:1 4340 0.00 1.052 ms kworker/7:2 4341 0.02 4.882 ms perf 4342 33.00 5644.045 ms perf 4343 0.05 8.769 ms perf 4344 0.43 74.351 ms perf 4345 0.05 10.093 ms perf # perf kwork top --time 128800, Total : 53495.122 ms, 8 cpus %Cpu(s): 94.71% id, 0.09% hi, 0.09% si %Cpu0 [ 0.07%] %Cpu1 [ 0.04%] %Cpu2 [|| 8.49%] %Cpu3 [ 0.09%] %Cpu4 [ 0.02%] %Cpu5 [ 0.06%] %Cpu6 [ 0.12%] %Cpu7 [|||||| 21.24%] PID %CPU RUNTIME COMMMAND ---------------------------------------------------- 0 99.96 3981.363 ms swapper/4 0 99.94 3978.955 ms swapper/1 0 99.91 9329.375 ms swapper/5 0 99.87 4906.829 ms swapper/3 0 99.86 9028.064 ms swapper/6 0 98.67 3928.161 ms swapper/0 0 91.17 8388.432 ms swapper/2 0 78.65 7125.602 ms swapper/7 4342 29.42 2675.198 ms perf 16 0.18 16.817 ms rcu_preempt 4345 0.09 8.183 ms perf 4344 0.04 4.290 ms perf 4343 0.03 2.844 ms perf 353 0.03 2.600 ms sshd 4095 0.02 2.702 ms kworker/7:1 120 0.02 1.909 ms systemd-journal 98 0.02 2.540 ms jbd2/sda-8 61 0.02 1.886 ms kcompactd0 667 0.02 1.011 ms kworker/u16:2 75 0.02 2.693 ms kworker/2:1 4341 0.01 1.838 ms perf 30 0.01 0.788 ms migration/3 26 0.01 1.665 ms ksoftirqd/2 20 0.01 0.752 ms migration/1 2909 0.01 0.604 ms kworker/0:2 4340 0.00 0.635 ms kworker/7:2 97 0.00 0.214 ms kworker/7:1H 51 0.00 0.209 ms ksoftirqd/7 50 0.00 0.646 ms migration/7 76 0.00 0.602 ms kworker/6:1 45 0.00 0.366 ms migration/6 87 0.00 0.145 ms kworker/5:1H 40 0.00 0.446 ms migration/5 35 0.00 0.318 ms migration/4 74 0.00 0.205 ms kworker/3:1 33 0.00 0.080 ms kworker/3:0H 25 0.00 0.448 ms migration/2 397 0.00 0.057 ms kworker/1:1 17 0.00 0.365 ms migration/0 Reviewed-by:Ian Rogers <irogers@google.com> Signed-off-by:
Yang Jihong <yangjihong1@huawei.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sandipan Das <sandipan.das@amd.com> Link: https://lore.kernel.org/r/20230812084917.169338-14-yangjihong1@huawei.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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