linux-kernel - [PATCH] perf/x86/uncore: Add missing filter constraint for SKX CHA event

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Message-Id: <1520869294-14176-1-git-send-email-kan.liang@linux.intel.com>
Date:   Mon, 12 Mar 2018 08:41:34 -0700
From:   Kan Liang <kan.liang@...ux.intel.com>
To:     peterz@...radead.org, mingo@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     eranian@...gle.com, ak@...ux.intel.com,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH] perf/x86/uncore: Add missing filter constraint for SKX CHA event

From: Stephane Eranian <eranian@...gle.com>

Adding a filter constraint for Intel Skylake CHA event
UNC_CHA_UPI_CREDITS_ACQUIRED (0x38).
The event supports core-id/thread-id and link filtering.

Signed-off-by: Stephane Eranian <eranian@...gle.com>
Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
---
 arch/x86/events/intel/uncore_snbep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 8ff1aac..d4672ed 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3355,6 +3355,7 @@ static struct extra_reg skx_uncore_cha_extra_regs[] = {
 	SNBEP_CBO_EVENT_EXTRA_REG(0x9134, 0xffff, 0x4),
 	SNBEP_CBO_EVENT_EXTRA_REG(0x35, 0xff, 0x8),
 	SNBEP_CBO_EVENT_EXTRA_REG(0x36, 0xff, 0x8),
+	SNBEP_CBO_EVENT_EXTRA_REG(0x38, 0xff, 0x3),
 	EVENT_EXTRA_END
 };
 
-- 
2.7.4