Messages in this thread | | | Date | Thu, 14 May 2015 16:04:00 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH v1 0/3] perf: add indirect jump filtering support |
| |
On Thu, May 14, 2015 at 11:09:57PM +0200, Stephane Eranian wrote: > This short patch series adds a new filter to the branch stack > sampling feature. The new filter enables sampling only indirect > jumps. For each the source and target are captured. > > The new branch_sample_type flag is: PERF_SAMPLE_BRANCH_IND_JUMP > > The series provides full support in the perf record tool: > > $ perf record -j ind_jmp ... > > On Intel x86 processors, the filter is implemented using the > LBR hw filter. > > This filter is useful to study targets of indirect jumps.
Patches look all good to me. Reviewed-by: Andi Kleen <ak@linux.intel.com> -Andi
| |