Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH 1/3] perf script: change process_event prototype | Date | Wed, 2 Mar 2011 10:29:18 -0700 |
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Prepare for handling of samples for any event type.
Signed-off-by: David Ahern <daahern@cisco.com> --- tools/perf/builtin-script.c | 40 +++++++++++-------- .../util/scripting-engines/trace-event-python.c | 20 ++++++++- tools/perf/util/trace-event-scripting.c | 8 +-- tools/perf/util/trace-event.h | 6 ++- 4 files changed, 47 insertions(+), 27 deletions(-)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 5f40df6..0bee150 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -20,6 +20,27 @@ static u64 last_timestamp; static u64 nr_unordered; extern const struct option record_options[]; +static void process_event(union perf_event *event, + struct perf_sample *sample, + struct perf_session *session) +{ + struct thread *thread = perf_session__findnew(session, event->ip.pid); + + if (thread == NULL) { + pr_debug("problem processing %d event, skipping it.\n", + event->header.type); + return; + } + + /* + * FIXME: better resolve from pid from the struct trace_entry + * field, although it should be the same than this perf + * event pid + */ + print_event(sample->cpu, sample->raw_data, sample->raw_size, + sample->time, thread->comm); +} + static int default_start_script(const char *script __unused, int argc __unused, const char **argv __unused) @@ -40,7 +61,7 @@ static int default_generate_script(const char *outfile __unused) static struct scripting_ops default_scripting_ops = { .start_script = default_start_script, .stop_script = default_stop_script, - .process_event = print_event, + .process_event = process_event, .generate_script = default_generate_script, }; @@ -67,14 +88,6 @@ static int process_sample_event(union perf_event *event, struct perf_sample *sample, struct perf_session *session) { - struct thread *thread = perf_session__findnew(session, event->ip.pid); - - if (thread == NULL) { - pr_debug("problem processing %d event, skipping it.\n", - event->header.type); - return -1; - } - if (session->sample_type & PERF_SAMPLE_RAW) { if (debug_mode) { if (sample->time < last_timestamp) { @@ -86,14 +99,7 @@ static int process_sample_event(union perf_event *event, last_timestamp = sample->time; return 0; } - /* - * FIXME: better resolve from pid from the struct trace_entry - * field, although it should be the same than this perf - * event pid - */ - scripting_ops->process_event(sample->cpu, sample->raw_data, - sample->raw_size, - sample->time, thread->comm); + scripting_ops->process_event(event, sample, session); } session->hists.stats.total_period += sample->period; diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 2040b85..5b03fb6 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -204,9 +204,9 @@ static inline struct event *find_cache_event(int type) return event; } -static void python_process_event(int cpu, void *data, - int size __unused, - unsigned long long nsecs, char *comm) +static void python_process_event(union perf_event *pevent, + struct perf_sample *sample, + struct perf_session *session) { PyObject *handler, *retval, *context, *t, *obj, *dict = NULL; static char handler_name[256]; @@ -218,6 +218,20 @@ static void python_process_event(int cpu, void *data, int type; int pid; + int cpu = sample->cpu; + void *data = sample->raw_data; + unsigned long long nsecs = sample->time; + char *comm; + struct thread *thread; + + thread = perf_session__findnew(session, pevent->ip.pid); + if (thread == NULL) { + pr_debug("problem processing %d event, skipping it.\n", + pevent->header.type); + return; + } + comm = thread->comm; + t = PyTuple_New(MAX_FIELDS); if (!t) Py_FatalError("couldn't create Python tuple"); diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index f7af2fc..91f1b33 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -36,11 +36,9 @@ static int stop_script_unsupported(void) return 0; } -static void process_event_unsupported(int cpu __unused, - void *data __unused, - int size __unused, - unsigned long long nsecs __unused, - char *comm __unused) +static void process_event_unsupported(union perf_event *event __unused, + struct perf_sample *sample __unused, + struct perf_session *session __unused) { } diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index b5f12ca..632b87b1 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -3,6 +3,7 @@ #include <stdbool.h> #include "parse-events.h" +#include "session.h" #define __unused __attribute__((unused)) @@ -278,8 +279,9 @@ struct scripting_ops { const char *name; int (*start_script) (const char *script, int argc, const char **argv); int (*stop_script) (void); - void (*process_event) (int cpu, void *data, int size, - unsigned long long nsecs, char *comm); + void (*process_event) (union perf_event *event, + struct perf_sample *sample, + struct perf_session *session); int (*generate_script) (const char *outfile); }; -- 1.7.4
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