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Groups > linux.kernel > #1349055
| From | Adrian Hunter <adrian.hunter@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 7/8] perf intel-pt/bts: Define JITDUMP_USE_ARCH_TIMESTAMP |
| Date | 2016-03-03 13:00 +0100 |
| Message-ID | <r8A5c-6Bm-23@gated-at.bofh.it> (permalink) |
| References | <r8A5c-6Bm-13@gated-at.bofh.it> |
| Organization | Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki |
From: Adrian Hunter <ajhunter@gmail.com>
For Intel PT / BTS, define the environment variable that selects
TSC timestamps in the jitdump file.
Signed-off-by: Adrian Hunter <ajhunter@gmail.com>
---
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
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[PATCH 7/8] perf intel-pt/bts: Define JITDUMP_USE_ARCH_TIMESTAMP Adrian Hunter <adrian.hunter@intel.com> - 2016-03-03 13:00 +0100
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