Re: [PATCH 8/9] perf script: Add period data column

From: David Ahern
Date: Wed Aug 27 2014 - 10:34:08 EST


On 8/25/14, 8:45 AM, Jiri Olsa wrote:
Adding period data column to be displayed in perf script.
It's possible to get period values using -f option, like:

$ perf script -f comm,tid,time,period,ip,sym,dso
:26019 26019 52414.329088: 3707 ffffffff8105443a native_write_msr_safe ([kernel.kallsyms])
:26019 26019 52414.329088: 44 ffffffff8105443a native_write_msr_safe ([kernel.kallsyms])
:26019 26019 52414.329093: 1987 ffffffff8105443a native_write_msr_safe ([kernel.kallsyms])
:26019 26019 52414.329093: 6 ffffffff8105443a native_write_msr_safe ([kernel.kallsyms])
ls 26019 52414.329442: 537558 3407c0639c _dl_map_object_from_fd (/usr/lib64/ld-2.17.so)
ls 26019 52414.329442: 2099 3407c0639c _dl_map_object_from_fd (/usr/lib64/ld-2.17.so)
ls 26019 52414.330181: 1242100 34080917bb get_next_seq (/usr/lib64/libc-2.17.so)
ls 26019 52414.330181: 3774 34080917bb get_next_seq (/usr/lib64/libc-2.17.so)
ls 26019 52414.331427: 1083662 ffffffff810c7dc2 update_curr ([kernel.kallsyms])
ls 26019 52414.331427: 360 ffffffff810c7dc2 update_curr ([kernel.kallsyms])

Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jen-Cheng(Tommy) Huang <tommy24@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/Documentation/perf-script.txt | 2 +-
tools/perf/builtin-script.c | 12 +++++++++++-
2 files changed, 12 insertions(+), 2 deletions(-)

Acked-by: David Ahern <dsahern@xxxxxxxxx>
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