perf trace: Allow configuring if the syscall duration should be printed

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# perf config trace.show_duration=no
  # perf config -l | grep trace
  trace.default_events=/home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.o
  trace.show_zeros=true
  trace.show_duration=no
  # trace -e *sleep sleep 1
     0.000 sleep/8729 nanosleep(rqtp: 0x7ffcb0b4c940, rmtp: 0) = 0
  # perf config trace.show_duration=yes
  # trace -e *sleep sleep 1
     0.000 (1000.212 ms): sleep/8735 nanosleep(rqtp: 0x7ffca15fa770, rmtp: 0) = 0
  #

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-2c7h1m8fhzb9puxtj9nlevi8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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This commit is contained in:

Arnaldo Carvalho de Melo 2018-12-14 10:22:18 -03:00

parent e7c634fcc6

commit 42e4a52d01

2 changed files with 11 additions and 2 deletions

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4

tools/perf/Documentation/perf-config.txt

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9

tools/perf/builtin-trace.c

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