From: Adrian Hunter <ajhun...@gmail.com>

For Intel PT / BTS, define the environment variable that selects
TSC timestamps in the jitdump file.

Signed-off-by: Adrian Hunter <ajhun...@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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