Commit-ID: bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e
Gitweb: http://git.kernel.org/tip/bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Tue, 8 Mar 2016 10:38:53 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 1 Apr 2016 18:46:24 -0300
perf intel-pt/bts: Define JITDUMP_USE_ARCH_TIMESTAMP
For Intel PT / BTS, define the environment variable that selects TSC
timestamps in the jitdump file.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1457426333-30260-1-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 d66f9ad..7dc3063 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 a339517..a07b960 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;
--
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