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From: "tip-bot2 for Kan Liang" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Ammy Yi <ammy.yi@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	stable@vger.kernel.org, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: [tip: perf/urgent] perf/x86/intel: Fix pebs event constraints for ADL
Date: Mon, 22 Aug 2022 09:00:49 -0000	[thread overview]
Message-ID: <166115884946.401.5531726230002276797.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20220818184429.2355857-1-kan.liang@linux.intel.com>

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     cde643ff75bc20c538dfae787ca3b587bab16b50
Gitweb:        https://git.kernel.org/tip/cde643ff75bc20c538dfae787ca3b587bab16b50
Author:        Kan Liang <kan.liang@linux.intel.com>
AuthorDate:    Thu, 18 Aug 2022 11:44:29 -07:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Fri, 19 Aug 2022 19:47:31 +02:00

perf/x86/intel: Fix pebs event constraints for ADL

According to the latest event list, the LOAD_LATENCY PEBS event only
works on the GP counter 0 and 1 for ADL and RPL.

Update the pebs event constraints table.

Fixes: f83d2f91d259 ("perf/x86/intel: Add Alder Lake Hybrid support")
Reported-by: Ammy Yi <ammy.yi@intel.com>
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://lkml.kernel.org/r/20220818184429.2355857-1-kan.liang@linux.intel.com
---
 arch/x86/events/intel/ds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index e5b5874..de1f55d 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -830,7 +830,7 @@ struct event_constraint intel_glm_pebs_event_constraints[] = {
 
 struct event_constraint intel_grt_pebs_event_constraints[] = {
 	/* Allow all events as PEBS with no flags */
-	INTEL_HYBRID_LAT_CONSTRAINT(0x5d0, 0xf),
+	INTEL_HYBRID_LAT_CONSTRAINT(0x5d0, 0x3),
 	INTEL_HYBRID_LAT_CONSTRAINT(0x6d0, 0xf),
 	EVENT_CONSTRAINT_END
 };

      reply	other threads:[~2022-08-22  9:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-18 18:44 [PATCH] " kan.liang
2022-08-22  9:00 ` tip-bot2 for Kan Liang [this message]

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