diff options
| author | Joseph Schuchart <[email protected]> | 2014-07-10 11:50:51 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2014-07-16 20:57:33 +0000 |
| commit | 0f5f5bcd112292f14b75750dde7461463bb1c7bb (patch) | |
| tree | bb87bcdd3d703c5f397d46db0c7bd7c14d144e62 /tools/perf/scripts/python/futex-contention.py | |
| parent | perf script: Add missing calls to Py_DECREF for return values (diff) | |
| download | kernel-0f5f5bcd112292f14b75750dde7461463bb1c7bb.tar.gz kernel-0f5f5bcd112292f14b75750dde7461463bb1c7bb.zip | |
perf script: Add callchain to generic and tracepoint events
This provides valuable information for tracing performance problems.
Since this change alters the interface for the python scripts, also
adjust the script generation and the provided scripts.
Signed-off-by: Joseph Schuchart <[email protected]>
Acked-by: Thomas Ilsche <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Ilsche <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
| -rw-r--r-- | tools/perf/scripts/python/futex-contention.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/scripts/python/futex-contention.py b/tools/perf/scripts/python/futex-contention.py index 11e70a388d41..0f5cf437b602 100644 --- a/tools/perf/scripts/python/futex-contention.py +++ b/tools/perf/scripts/python/futex-contention.py @@ -21,7 +21,7 @@ thread_blocktime = {} lock_waits = {} # long-lived stats on (tid,lock) blockage elapsed time process_names = {} # long-lived pid-to-execname mapping -def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, +def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, nr, uaddr, op, val, utime, uaddr2, val3): cmd = op & FUTEX_CMD_MASK if cmd != FUTEX_WAIT: @@ -31,7 +31,7 @@ def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, thread_thislock[tid] = uaddr thread_blocktime[tid] = nsecs(s, ns) -def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, +def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, nr, ret): if thread_blocktime.has_key(tid): elapsed = nsecs(s, ns) - thread_blocktime[tid] |