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| author | Adrian Hunter <adrian.hunter@intel.com> | 2016-03-08 08:38:53 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-01 21:46:24 (GMT) |
| commit | bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e (patch) | |
| tree | ae9beb8c59a8f6864b56a405f5802ae540034eca | |
| parent | 2a28e23049af99e1c810111ef5e56455cafeda45 (diff) | |
| download | linux-bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e.tar.xz | |
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@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1457426333-30260-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/arch/x86/util/intel-bts.c | 5 | ||||
| -rw-r--r-- | tools/perf/arch/x86/util/intel-pt.c | 5 |
2 files changed, 10 insertions, 0 deletions
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; |