perf/x86/intel: Update the FRONTEND MSR mask on Sapphire Rapids

Browse source

On Sapphire Rapids, the FRONTEND_RETIRED.MS_FLOWS event requires the
FRONTEND MSR value 0x8. However, the current FRONTEND MSR mask doesn't
support it.

Update intel_spr_extra_regs[] to support it.

Fixes: 61b985e3e7 ("perf/x86/intel: Add perf core PMU support for Sapphire Rapids")
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1648482543-14923-2-git-send-email-kan.liang@linux.intel.com

...

This commit is contained in:

Kan Liang 2022-03-28 08:49:03 -07:00 • committed by Peter Zijlstra

parent 4a263bf331

commit e590928de7

1 changed files with 1 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/x86/events/intel/core.c

View file