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From: Stephane Eranian <eranian@google.com>
To: linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, mingo@elte.hu, ak@linux.intel.com,
	acme@redhat.com, jolsa@redhat.com, namhyung.kim@lge.com
Subject: [PATCH 5/8] perf,x86: add support for PERF_SAMPLE_PHYS_ADDR for PEBS-LL
Date: Fri, 21 Jun 2013 16:20:45 +0200	[thread overview]
Message-ID: <1371824448-7306-6-git-send-email-eranian@google.com> (raw)
In-Reply-To: <1371824448-7306-1-git-send-email-eranian@google.com>

This patch adds support for sampling the physical data address
of Loads/Stores captured by PEBS Load Latency/Precise Store
facility.

Signed-off-by: Stephane Eranian <eranian@google.com>
---
 arch/x86/kernel/cpu/perf_event_intel_ds.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 06d02fa..e32a5ab 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -3,6 +3,7 @@
 #include <linux/slab.h>
 
 #include <asm/perf_event.h>
+#include <asm/uaccess.h>
 #include <asm/insn.h>
 
 #include "perf_event.h"
@@ -835,10 +836,14 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
 	else
 		regs.flags &= ~PERF_EFLAGS_EXACT;
 
-	if ((event->attr.sample_type & PERF_SAMPLE_ADDR) &&
+	if ((sample_type & PERF_SAMPLE_ADDR) &&
 		x86_pmu.intel_cap.pebs_format >= 1)
 		data.addr = pebs->dla;
 
+	if ((fll || fst) && (sample_type & PERF_SAMPLE_PHYS_ADDR) &&
+		x86_pmu.intel_cap.pebs_format >= 1)
+		data.phys_addr = uvirt_to_phys_nmi((void *)(pebs->dla));
+
 	if (has_branch_stack(event))
 		data.br_stack = &cpuc->lbr_stack;
 
-- 
1.8.1.2


  parent reply	other threads:[~2013-06-21 14:22 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-21 14:20 [PATCH 0/8] perf: add ability to sample physical data addresses Stephane Eranian
2013-06-21 14:20 ` [PATCH 1/8] perf,x86: disable PEBS-LL in intel_pmu_pebs_disable() Stephane Eranian
2013-06-24  8:44   ` Peter Zijlstra
2013-06-26  7:35     ` Stephane Eranian
2013-06-27  9:01   ` [tip:perf/core] perf/x86: Disable " tip-bot for Stephane Eranian
2013-06-21 14:20 ` [PATCH 2/8] perf,x86: drop event->flags and use hw.constraint->flags Stephane Eranian
2013-06-24  8:45   ` Peter Zijlstra
2013-06-26  7:36     ` Stephane Eranian
2013-06-26 10:36       ` Peter Zijlstra
2013-06-27 10:23         ` Stephane Eranian
2013-06-27 10:48           ` Peter Zijlstra
2013-06-27 11:01             ` Stephane Eranian
2013-06-27 11:14               ` Peter Zijlstra
2013-06-27 12:33                 ` Stephane Eranian
2013-06-27 14:10                   ` Peter Zijlstra
2013-06-21 14:20 ` [PATCH 3/8] perf,x86: add uvirt_to_phys_nmi helper function Stephane Eranian
2013-06-21 14:20 ` [PATCH 4/8] perf: add PERF_SAMPLE_PHYS_ADDR sample type Stephane Eranian
2013-06-21 14:20 ` Stephane Eranian [this message]
2013-06-21 14:20 ` [PATCH 6/8] perf tools: add infrastructure to handle PERF_SAMPLE_PHYS_ADDR Stephane Eranian
2013-06-21 14:20 ` [PATCH 7/8] perf record: add option to sample physical load/store addresses Stephane Eranian
2013-06-21 14:20 ` [PATCH 8/8] perf mem: add physical addr sampling support Stephane Eranian
2013-06-23 21:58 ` [PATCH 0/8] perf: add ability to sample physical data addresses Jiri Olsa
2013-06-24  8:16   ` Stephane Eranian
2013-06-24  8:45     ` Jiri Olsa
2013-06-24  8:43 ` Peter Zijlstra
2013-06-25  9:59   ` Stephane Eranian
2013-06-25 10:47     ` Peter Zijlstra
2013-06-25 10:51       ` Ingo Molnar
2013-06-26 10:33         ` Peter Zijlstra
2013-06-26 19:10           ` Stephane Eranian
2013-06-28  9:58             ` Peter Zijlstra
2013-07-05 22:48               ` Stephane Eranian
2013-07-08  8:19                 ` Peter Zijlstra
2013-07-09  6:02                   ` Stephane Eranian
2013-07-30  8:02                   ` Stephane Eranian
2013-07-30  8:37                     ` Peter Zijlstra
2013-07-30  8:51                       ` Stephane Eranian
2013-07-30  9:02                         ` Peter Zijlstra
2013-07-30 13:09                           ` Stephane Eranian
2013-07-30 14:21                             ` Stephane Eranian
2013-07-30 14:50                               ` David Ahern
2013-07-30 14:53                                 ` Stephane Eranian
2013-07-30 14:59                                   ` David Ahern
2013-07-30 15:52                               ` Peter Zijlstra
2013-07-30 16:09                                 ` Stephane Eranian
2013-07-30 16:16                                   ` Peter Zijlstra
2013-06-26 13:29       ` Ingo Molnar

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