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
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1371824448-7306-6-git-send-email-eranian@google.com \
--to=eranian@google.com \
--cc=acme@redhat.com \
--cc=ak@linux.intel.com \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=namhyung.kim@lge.com \
--cc=peterz@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox