Re: [PATCH v3 4/5] perf/record: add documentation for sampling skid ip

2017-11-08 Thread Stephane Eranian
On Wed, Nov 8, 2017 at 12:56 PM, Andi Kleen wrote: >> diff --git a/tools/perf/Documentation/perf-record.txt >> b/tools/perf/Documentation/perf-record.txt >> index 5a626ef666c2..3b156fa03c99 100644 >> --- a/tools/perf/Documentation/perf-record.txt >> +++ b/tools/perf/Documentation/perf-record.txt

Re: [PATCH v3 4/5] perf/record: add documentation for sampling skid ip

2017-11-08 Thread Andi Kleen
> diff --git a/tools/perf/Documentation/perf-record.txt > b/tools/perf/Documentation/perf-record.txt > index 5a626ef666c2..3b156fa03c99 100644 > --- a/tools/perf/Documentation/perf-record.txt > +++ b/tools/perf/Documentation/perf-record.txt > @@ -57,6 +57,14 @@ OPTIONS >FP

[PATCH v3 4/5] perf/record: add documentation for sampling skid ip

2017-11-07 Thread Stephane Eranian
This patch adds documentation to describe how to use the skid ip support with perf record. The sample type can be provided per event as follows: pmu_instance/...,skid-ip=1/ For instance on Intel X86: $ perf record -e cpu/event=0xc5,skid-ip=1/pp does record the precise address of retired branches