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| Started by | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| First post | 2016-04-27 02:10 +0200 |
| Last post | 2016-04-27 02:10 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 3.16 074/217] perf/x86/intel: Add definition for PT PMI bit Ben Hutchings <ben@decadent.org.uk> - 2016-04-27 02:10 +0200
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Date | 2016-04-27 02:10 +0200 |
| Subject | [PATCH 3.16 074/217] perf/x86/intel: Add definition for PT PMI bit |
| Message-ID | <rsldj-8vJ-77@gated-at.bofh.it> |
3.16.35-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Stephane Eranian <eranian@google.com>
commit 5690ae28e472d25e330ad0c637a5cea3fc39fb32 upstream.
This patch adds a definition for GLOBAL_OVFL_STATUS bit 55
which is used with the Processor Trace (PT) feature.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: adrian.hunter@intel.com
Cc: kan.liang@intel.com
Cc: namhyung@kernel.org
Link: http://lkml.kernel.org/r/1457034642-21837-2-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -151,6 +151,8 @@ struct x86_pmu_capability {
*/
#define INTEL_PMC_IDX_FIXED_BTS (INTEL_PMC_IDX_FIXED + 16)
+#define GLOBAL_STATUS_TRACE_TOPAPMI BIT_ULL(55)
+
/*
* IBS cpuid feature detection
*/
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