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perf script: Replace "struct thread" with "struct addr_location" as a parameter for "process_event()"

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Both perl and python script start processing events other than trace
points, and it's useful to pass the resolved symbol and the dso info to
the event handler in script for better analysis and statistics.

Struct thread is already a member of struct addr_location, using
addr_location will keep the thread info, while providing additional
symbol and dso info if exist, so that the script itself doesn't need to
bother to do the symbol resolving and dso searching work.

Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1344419875-21665-3-git-send-email-feng.tang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Feng Tang 2012-08-08 17:57:52 +08:00 • committed by Arnaldo Carvalho de Melo
parent 6a6daec2ae
commit 73994dc158
5 changed files with 20 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

13
tools/perf/util/scripting-engines/trace-event-python.c
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@ -225,7 +225,7 @@ static void python_process_tracepoint(union perf_event *perf_event __unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct thread *thread)
struct addr_location *al)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
static char handler_name[256];
@ -238,6 +238,7 @@ static void python_process_tracepoint(union perf_event *perf_event __unused,
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);
@ -342,7 +343,7 @@ static void python_process_general_event(union perf_event *perf_event __unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine __unused,
struct thread *thread __unused)
struct addr_location *al __unused)
{
PyObject *handler, *retval, *t;
static char handler_name[64];
@ -361,7 +362,7 @@ static void python_process_general_event(union perf_event *perf_event __unused,
goto exit;
}
/* Pass 3 parameters: event_attr, perf_sample, raw data */
/* Pass 4 parameters: event_attr, perf_sample, raw data, thread name */
PyTuple_SetItem(t, n++, PyString_FromStringAndSize((void *)&evsel->attr, sizeof(evsel->attr)));
PyTuple_SetItem(t, n++, PyString_FromStringAndSize((void *)sample, sizeof(*sample)));
PyTuple_SetItem(t, n++, PyString_FromStringAndSize(data, sample->raw_size));
@ -380,17 +381,17 @@ 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, thread);
machine, al);
break;
/* Reserve for future process_hw/sw/raw APIs */
default:
python_process_general_event(perf_event, sample, evsel,
machine, thread);
machine, al);
}
}