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authorKan Liang <kan.liang@linux.intel.com>2022-03-28 08:49:03 -0700
committerPeter Zijlstra <peterz@infradead.org>2022-04-05 09:59:44 +0200
commite590928de7547454469693da9bc7ffd562e54b7e (patch)
tree6ca3d5e4bb1f46152e815b09f3501b7a38a4c45f /arch/x86
parent4a263bf331c512849062805ef1b4ac40301a9829 (diff)
perf/x86/intel: Update the FRONTEND MSR mask on Sapphire Rapids
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: 61b985e3e775 ("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
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/events/intel/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index eb17b968ca52..fc7f458eb3de 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -302,7 +302,7 @@ static struct extra_reg intel_spr_extra_regs[] __read_mostly = {
INTEL_UEVENT_EXTRA_REG(0x012a, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0),
INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1),
INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
- INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
+ INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff1f, FE),
INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0x7, FE),
INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE),
EVENT_EXTRA_END