From: Adrian Hunter <adrian.hunter@intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>,
linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@google.com>
Subject: [PATCH V2 7/8] perf intel-pt/bts: Define JITDUMP_USE_ARCH_TIMESTAMP
Date: Tue, 8 Mar 2016 10:38:53 +0200 [thread overview]
Message-ID: <1457426333-30260-1-git-send-email-adrian.hunter@intel.com> (raw)
In-Reply-To: <1457005856-6143-8-git-send-email-adrian.hunter@intel.com>
For Intel PT / BTS, define the environment variable that selects
TSC timestamps in the jitdump file.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
Changes in V2:
Fixed "From" and "Signed-off-by" email addresses
tools/perf/arch/x86/util/intel-bts.c | 5 +++++
tools/perf/arch/x86/util/intel-pt.c | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index d66f9ad4df2e..7dc30637cf66 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -438,6 +438,11 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
if (!intel_bts_pmu)
return NULL;
+ if (setenv("JITDUMP_USE_ARCH_TIMESTAMP", "1", 1)) {
+ *err = -errno;
+ return NULL;
+ }
+
btsr = zalloc(sizeof(struct intel_bts_recording));
if (!btsr) {
*err = -ENOMEM;
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index a3395179c9ee..a07b9605e93b 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -1027,6 +1027,11 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
if (!intel_pt_pmu)
return NULL;
+ if (setenv("JITDUMP_USE_ARCH_TIMESTAMP", "1", 1)) {
+ *err = -errno;
+ return NULL;
+ }
+
ptr = zalloc(sizeof(struct intel_pt_recording));
if (!ptr) {
*err = -ENOMEM;
--
1.9.1
next prev parent reply other threads:[~2016-03-08 8:42 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 11:50 [PATCH 0/8] perf tools: Add Intel PT support for jitdump Adrian Hunter
2016-03-03 11:50 ` [PATCH 1/8] perf inject: Hit all DSOs for AUX data in JIT and other cases Adrian Hunter
2016-03-08 10:30 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 2/8] perf session: Simplify tool stubs Adrian Hunter
2016-03-08 8:38 ` [PATCH V2 " Adrian Hunter
2016-03-08 10:30 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 3/8] perf tools: Add time conversion event Adrian Hunter
2016-03-08 8:38 ` [PATCH V2 " Adrian Hunter
2016-03-31 6:33 ` Adrian Hunter
2016-03-31 13:53 ` Arnaldo Carvalho de Melo
2016-04-06 7:07 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 4/8] perf jit: Let jit_process() return errors Adrian Hunter
2016-03-08 10:30 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 5/8] perf jit: Move clockid validation Adrian Hunter
2016-03-08 8:38 ` [PATCH V2 " Adrian Hunter
2016-03-08 10:31 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 6/8] perf jit: Add support for using TSC as a timestamp Adrian Hunter
2016-03-08 8:38 ` [PATCH V2 " Adrian Hunter
2016-04-01 3:49 ` [PATCH] perf tools: Fix build errors on tsc functions for archs other than x86 He Kuang
2016-04-01 7:13 ` Adrian Hunter
2016-04-01 13:13 ` Arnaldo Carvalho de Melo
2016-04-01 13:19 ` Hekuang
2016-04-01 13:24 ` Arnaldo Carvalho de Melo
2016-04-01 13:39 ` Adrian Hunter
2016-04-06 7:08 ` [tip:perf/core] perf jit: Add support for using TSC as a timestamp tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 7/8] perf intel-pt/bts: Define JITDUMP_USE_ARCH_TIMESTAMP Adrian Hunter
2016-03-08 8:38 ` Adrian Hunter [this message]
2016-04-06 7:08 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-03 11:50 ` [PATCH 8/8] perf tools: Use 64-bit shifts with (TSC) time conversion Adrian Hunter
2016-03-08 10:31 ` [tip:perf/core] " tip-bot for Adrian Hunter
2016-03-08 8:49 ` [PATCH 0/8] perf tools: Add Intel PT support for jitdump Adrian Hunter
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