FAILED: patch "[PATCH] perf/x86/intel: Fix pebs event constraints for ADL" failed to apply to 5.15-stable tree
Subsystems (3)
[email protected]
maintainerThe patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From cde643ff75bc20c538dfae787ca3b587bab16b50 Mon Sep 17 00:00:00 2001
From: Kan Liang <[email protected]>
Date: Thu, 18 Aug 2022 11:44:29 -0700
Subject: [PATCH] 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 <[email protected]>
Signed-off-by Kan Liang <[email protected]>
Signed-off-by Peter Zijlstra (Intel) <[email protected]>
arch/x86/events/intel/ds.c +1 -1
@@ -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 };