diff options
| author | Stephane Eranian <eranian@google.com> | 2022-03-22 15:15:08 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-04-05 10:24:37 +0200 |
| commit | 44175993efbae04e8b2d7f7795ff512c3a726db0 (patch) | |
| tree | 367733796be5c8a0bb9361dbadf3067d124f32d2 /drivers/usb/cdns3/cdns3-debug.h | |
| parent | ada543459cab7f653dcacdaba4011a8bb19c627c (diff) | |
perf/x86/amd: Add branch-brs helper event for Fam19h BRS
Add a pseudo event called branch-brs to help use the FAM Fam19h
Branch Sampling feature (BRS). BRS samples taken branches, so it is best used
when sampling on a retired taken branch event (0xc4) which is what BRS
captures. Instead of trying to remember the event code or actual event name,
users can simply do:
$ perf record -b -e cpu/branch-brs/ -c 1000037 .....
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220322221517.2510440-5-eranian@google.com
Diffstat (limited to 'drivers/usb/cdns3/cdns3-debug.h')
0 files changed, 0 insertions, 0 deletions