From bd0c7a54219cc3745ce7f36970d8e5ffb3f8d80e Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 8 Mar 2016 10:38:53 +0200 Subject: 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 Cc: Jiri Olsa Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1457426333-30260-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/x86/util/intel-bts.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'tools/perf/arch/x86/util/intel-bts.c') 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; -- cgit v1.1