iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf stat: Elaborate use cases for the -n/--null command line option

Browse Source 
The existing text was way too terse, pick the intended usage from the
cset that introduced this option.

Twitter: https://twitter.com/_monoid/status/1371461130175004672?s=20
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2021-03-15 11:27:24 -03:00
parent 5497b23e87
commit 4a03af3ee3
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tools/perf/Documentation/perf-stat.txt
View File

@ -142,7 +142,10 @@ Do not aggregate counts across all monitored CPUs.
-n::
--null::
null run - don't start any counters
null run - Don't start any counters.
This can be useful to measure just elapsed wall-clock time - or to assess the
raw overhead of perf stat itself, without running any counters.
-v::
--verbose::