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perf script: Fix named threads support

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Commit 73994dc broke named thread support in perf-script. The thread
struct in al is the main thread for a multithreaded process. The thread
struct used for analysis (e.g., dumping events) should be the specific
thread for the sample.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Feng Tang <feng.tang@intel.com>
Link: http://lkml.kernel.org/r/1374185175-28272-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern 2013-07-18 16:06:15 -06:00 • committed by Arnaldo Carvalho de Melo
parent 5a9821321e
commit 2eaa1b407a
5 changed files with 21 additions and 15 deletions
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9
tools/perf/util/scripting-engines/trace-event-python.c
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@ -225,6 +225,7 @@ static void python_process_tracepoint(union perf_event *perf_event
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __maybe_unused,
struct thread *thread,
struct addr_location *al)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
@ -238,7 +239,6 @@ static void python_process_tracepoint(union perf_event *perf_event
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
struct thread *thread = al->thread;
char *comm = thread->comm;
t = PyTuple_New(MAX_FIELDS);
@ -345,12 +345,12 @@ static void python_process_general_event(union perf_event *perf_event
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __maybe_unused,
struct thread *thread,
struct addr_location *al)
{
PyObject *handler, *retval, *t, *dict;
static char handler_name[64];
unsigned n = 0;
struct thread *thread = al->thread;
/*
* Use the MAX_FIELDS to make the function expandable, though
@ -404,17 +404,18 @@ static void python_process_event(union perf_event *perf_event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
struct thread *thread,
struct addr_location *al)
{
switch (evsel->attr.type) {
case PERF_TYPE_TRACEPOINT:
python_process_tracepoint(perf_event, sample, evsel,
machine, al);
machine, thread, al);
break;
/* Reserve for future process_hw/sw/raw APIs */
default:
python_process_general_event(perf_event, sample, evsel,
machine, al);
machine, thread, al);
}
}