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authorArnaldo Carvalho de Melo <[email protected]>2012-10-08 09:56:00 -0300
committerArnaldo Carvalho de Melo <[email protected]>2012-10-24 18:41:04 -0200
commitae9ed03579c9745e85a88e80522770df7ae5c9b7 (patch)
treebeca78273c33e4c023d7514a14e9ab886e60392f /fs/jbd2/commit.c
parent60c907abc635622964f7862c8f2977182124f89d (diff)
perf trace: Add duration filter
Example: [acme@sandy linux]$ perf trace --duration 0.025 usleep 1 2.221 ( 0.958 ms): 6724 execve(arg0: 140733557168278, arg1: 140733557178768, arg2: 16134304, arg3: 140733557167840, arg4: 7955998171588342573, arg5: 6723) = -2 3.690 ( 1.443 ms): 6724 execve(arg0: 140733557168295, arg1: 140733557178768, arg2: 16134304, arg3: 140733557167840, arg4: 7955998171588342573, arg5: 6723) = 0 3.979 ( 0.048 ms): 6724 open(filename: 208733843841, flags: 0, mode: 1 ) = 3 4.071 ( 0.075 ms): 6724 open(filename: 139744419925673, flags: 0, mode: 0 ) = 3 4.318 ( 0.056 ms): 6724 nanosleep(rqtp: 140734030404608, rmtp: 0 ) = 0 [acme@sandy linux]$ perf trace --duration 0.100 usleep 1 1.143 ( 1.021 ms): 6726 execve(arg0: 140736323962279, arg1: 140736323972752, arg2: 34926752, arg3: 140736323961824, arg4: 7955998171588342573, arg5: 6725) = 0 [acme@sandy linux]$ Cherry picked from tmp.perf/trace2 branch. Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
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