From 5f8eec3225ff7b86763b060164e9ce47b1a71406 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 11 Jul 2019 11:19:20 -0700 Subject: perf script: Fix --max-blocks man page description The --max-blocks description was using the old name brstackasm. Use brstackinsn instead. Signed-off-by: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20190711181922.18765-1-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-script.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/perf/Documentation') diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index d4e2e18a5881..042b9e5dcc32 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -384,7 +384,7 @@ include::itrace.txt[] perf script --time 0%-10%,30%-40% --max-blocks:: - Set the maximum number of program blocks to print with brstackasm for + Set the maximum number of program blocks to print with brstackinsn for each sample. --reltime:: -- cgit v1.2.3 From 7db7218a7ea577f04c2df92453d47ab5ebfc8863 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 11 Jul 2019 11:19:22 -0700 Subject: perf script: Improve man page description of metrics Clarify that a metric is based on events, not referring to itself. Also some improvements with the sentences. Signed-off-by: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20190711181922.18765-3-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-script.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'tools/perf/Documentation') diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 042b9e5dcc32..caaab28f8400 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -228,11 +228,11 @@ OPTIONS With the metric option perf script can compute metrics for sampling periods, similar to perf stat. This requires - specifying a group with multiple metrics with the :S option + specifying a group with multiple events defining metrics with the :S option for perf record. perf will sample on the first event, and - compute metrics for all the events in the group. Please note + print computed metrics for all the events in the group. Please note that the metric computed is averaged over the whole sampling - period, not just for the sample point. + period (since the last sample), not just for the sample point. For sample events it's possible to display misc field with -F +misc option, following letters are displayed for each bit: -- cgit v1.2.3