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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2016-03-08 10:38:53 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-01 18:46:24 -0300 |
| commit | bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e (patch) | |
| tree | ae9beb8c59a8f6864b56a405f5802ae540034eca /tools/perf/arch/x86 | |
| parent | perf jit: Add support for using TSC as a timestamp (diff) | |
| download | linux-dev-bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e.tar.xz linux-dev-bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e.zip | |
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>
Diffstat (limited to 'tools/perf/arch/x86')
| -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 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; |