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| author |  Adrian Hunter <adrian.hunter@intel.com>
| 2020-04-01 13:16:06 +0300 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2020-04-16 12:19:15 -0300 |
| commit | 4fef41bfb1d8d2ada4a18eb3ab80c2682bcbae12 (patch) | |
| tree | f3f1c211ac64deb4bcbf98d3b6332dd523fd0d2a /tools/perf/util/thread-stack.h | |
| parent | perf auxtrace: Add an option to synthesize callchains for regular events (diff) | |
| download | linux-4fef41bfb1d8d2ada4a18eb3ab80c2682bcbae12.tar.gz linux-4fef41bfb1d8d2ada4a18eb3ab80c2682bcbae12.tar.bz2 linux-4fef41bfb1d8d2ada4a18eb3ab80c2682bcbae12.zip | |
perf thread-stack: Add thread_stack__sample_late()
Add a thread stack function to create a call chain for hardware events
where the sample records get created some time after the event occurred.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20200401101613.6201-10-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread-stack.h')
| -rw-r--r-- | tools/perf/util/thread-stack.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h index e1ec5a58f1b2..8962ddc4e1ab 100644 --- a/tools/perf/util/thread-stack.h +++ b/tools/perf/util/thread-stack.h @@ -85,6 +85,9 @@ int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip, void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr); void thread_stack__sample(struct thread *thread, int cpu, struct ip_callchain *chain, size_t sz, u64 ip, u64 kernel_start); +void thread_stack__sample_late(struct thread *thread, int cpu, + struct ip_callchain *chain, size_t sz, u64 ip, + u64 kernel_start); int thread_stack__flush(struct thread *thread); void thread_stack__free(struct thread *thread); size_t thread_stack__depth(struct thread *thread, int cpu); |