linux-kernel - [tip:perf/pebs] perf, x86: Expose the full PEBS record using PERF_SAMPLE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 10 Mar 2010 13:20:20 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	acme@...radead.org, a.p.zijlstra@...llo.nl, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:perf/pebs] perf, x86: Expose the full PEBS record using PERF_SAMPLE_RAW

Commit-ID:  7e1a40dda619b0483fbe0740494ed2c2a1f05289
Gitweb:     http://git.kernel.org/tip/7e1a40dda619b0483fbe0740494ed2c2a1f05289
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Thu, 4 Mar 2010 12:38:03 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 10 Mar 2010 13:23:33 +0100

perf, x86: Expose the full PEBS record using PERF_SAMPLE_RAW

Expose the full PEBS record using PERF_SAMPLE_RAW

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Arnaldo Carvalho de Melo <acme@...radead.org>
Cc: paulus@...ba.org
Cc: eranian@...gle.com
Cc: robert.richter@....com
Cc: fweisbec@...il.com
LKML-Reference: <20100304140100.847218224@...llo.nl>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/cpu/perf_event_intel_ds.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 5e40294..ef56f05 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -457,6 +457,7 @@ static void intel_pmu_drain_pebs_core(struct pt_regs *iregs)
 	struct perf_event *event = cpuc->events[0]; /* PMC0 only */
 	struct pebs_record_core *at, *top;
 	struct perf_sample_data data;
+	struct perf_raw_record raw;
 	struct pt_regs regs;
 	int n;
 
@@ -479,6 +480,12 @@ static void intel_pmu_drain_pebs_core(struct pt_regs *iregs)
 	perf_sample_data_init(&data, 0);
 	data.period = event->hw.last_period;
 
+	if (event->attr.sample_type & PERF_SAMPLE_RAW) {
+		raw.size = x86_pmu.pebs_record_size;
+		raw.data = at;
+		data.raw = &raw;
+	}
+
 	n = top - at;
 
 	/*
@@ -521,6 +528,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs)
 	struct pebs_record_nhm *at, *top;
 	struct perf_sample_data data;
 	struct perf_event *event = NULL;
+	struct perf_raw_record raw;
 	struct pt_regs regs;
 	int bit, n;
 
@@ -562,6 +570,12 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs)
 		perf_sample_data_init(&data, 0);
 		data.period = event->hw.last_period;
 
+		if (event->attr.sample_type & PERF_SAMPLE_RAW) {
+			raw.size = x86_pmu.pebs_record_size;
+			raw.data = at;
+			data.raw = &raw;
+		}
+
 		/*
 		 * See the comment in intel_pmu_drain_pebs_core()
 		 */
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/