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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-05-22 19:30:11 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-05-22 19:30:11 +0200
commit26252ea675663d1bc6747125fcaa2b7cc4ed8a03 (patch)
treee34d5c4df4f5e9a7e510df8c6774f913eea19f31 /tools/perf/Documentation
parentperf tools: Bump default sample freq to 4 kHz (diff)
downloadlinux-26252ea675663d1bc6747125fcaa2b7cc4ed8a03.tar.xz
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perf evlist: Show event attribute details
There was no easy way to see the frequency used, and with the change of default, we better provide one. [root@sandy linux]# perf evlist -F cycles: sample_freq=4000 [root@sandy linux]# perf evlist -v cycles: sample_freq=4000, size: 80, sample_type: 391, read_format: 7, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, sample_id_all: 1, exclude_guest: 1 [root@sandy linux]# Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-e1p9poez3nwrgycbmwqmhlsu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-evlist.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-evlist.txt b/tools/perf/Documentation/perf-evlist.txt
index 0507ec7bad71..15217345c2fa 100644
--- a/tools/perf/Documentation/perf-evlist.txt
+++ b/tools/perf/Documentation/perf-evlist.txt
@@ -20,6 +20,14 @@ OPTIONS
--input=::
Input file name. (default: perf.data unless stdin is a fifo)
+-F::
+--freq=::
+ Show just the sample frequency used for each event.
+
+-v::
+--verbose=::
+ Show all fields.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-list[1],