From: "tip-bot2 for Stephane Eranian" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Stephane Eranian <eranian@google.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: perf/core] x86/cpufeatures: Add AMD Fam19h Branch Sampling feature
Date: Tue, 05 Apr 2022 08:36:43 -0000 [thread overview]
Message-ID: <164914780346.389.14352309148130614175.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20220322221517.2510440-3-eranian@google.com>
The following commit has been merged into the perf/core branch of tip:
Commit-ID: a77d41ac3a0f41c80120ec5b8b08ab284fec950a
Gitweb: https://git.kernel.org/tip/a77d41ac3a0f41c80120ec5b8b08ab284fec950a
Author: Stephane Eranian <eranian@google.com>
AuthorDate: Tue, 22 Mar 2022 15:15:06 -07:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Tue, 05 Apr 2022 10:24:36 +02:00
x86/cpufeatures: Add AMD Fam19h Branch Sampling feature
Add a cpu feature for AMD Fam19h Branch Sampling feature as bit
31 of EBX on CPUID leaf function 0x80000008.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220322221517.2510440-3-eranian@google.com
---
arch/x86/include/asm/cpufeatures.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 73e643a..0d62afd 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -315,6 +315,7 @@
#define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */
#define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
#define X86_FEATURE_CPPC (13*32+27) /* Collaborative Processor Performance Control */
+#define X86_FEATURE_BRS (13*32+31) /* Branch Sampling available */
/* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
#define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */
next prev parent reply other threads:[~2022-04-05 11:25 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-22 22:15 [PATCH v7 00/13] perf/x86/amd: Add AMD Fam19h Branch Sampling support Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 01/13] perf/core: add perf_clear_branch_entry_bitfields() helper Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/core: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 02/13] x86/cpufeatures: add AMD Fam19h Branch Sampling feature Stephane Eranian
2022-04-05 8:36 ` tip-bot2 for Stephane Eranian [this message]
2022-03-22 22:15 ` [PATCH v7 03/13] perf/x86/amd: add AMD Fam19h Branch Sampling support Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 04/13] perf/x86/amd: add branch-brs helper event for Fam19h BRS Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 05/13] perf/x86/amd: enable branch sampling priv level filtering Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Enable " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 06/13] perf/x86/amd: add AMD branch sampling period adjustment Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 07/13] perf/x86/amd: make Zen3 branch sampling opt-in Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Make " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 08/13] ACPI: add perf low power callback Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] ACPI: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 09/13] perf/x86/amd: add idle hooks for branch sampling Stephane Eranian
2022-04-05 8:36 ` [tip: perf/core] perf/x86/amd: Add " tip-bot2 for Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 10/13] perf tools: fix NULL point in evsel__env() Stephane Eranian
2022-03-23 19:01 ` Kim Phillips
2022-03-25 18:27 ` Arnaldo Carvalho de Melo
2022-03-25 20:02 ` Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 11/13] perf tools: Improve IBS error handling Stephane Eranian
2022-03-25 21:46 ` Arnaldo Carvalho de Melo
2022-03-25 21:53 ` Arnaldo Carvalho de Melo
2022-03-22 22:15 ` [PATCH v7 12/13] perf tools: Improve error handling of AMD Branch Sampling Stephane Eranian
2022-03-22 22:15 ` [PATCH v7 13/13] perf report: add addr_from/addr_to sort dimensions Stephane Eranian
2022-03-24 14:59 ` [PATCH v7 00/13] perf/x86/amd: Add AMD Fam19h Branch Sampling support Peter Zijlstra
2022-03-25 5:31 ` Stephane Eranian
2022-03-25 8:28 ` Peter Zijlstra
2022-03-29 21:58 ` Stephane Eranian
2022-03-29 23:47 ` Stephane Eranian
2022-03-30 11:01 ` Peter Zijlstra
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