Commit b3694e6c authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf db-export: Factor out db_export__threads()



In preparation for exporting switch events, factor out
db_export__threads().

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190710085810.1650-19-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5bf83c29
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+48 −34
Original line number Original line Diff line number Diff line
@@ -286,50 +286,32 @@ int db_export__branch_type(struct db_export *dbe, u32 branch_type,
	return 0;
	return 0;
}
}


int db_export__sample(struct db_export *dbe, union perf_event *event,
static int db_export__threads(struct db_export *dbe, struct thread *thread,
		      struct perf_sample *sample, struct perf_evsel *evsel,
			      struct thread *main_thread,
		      struct addr_location *al)
			      struct machine *machine, struct comm **comm_ptr)
{
{
	struct thread *thread = al->thread;
	struct export_sample es = {
		.event = event,
		.sample = sample,
		.evsel = evsel,
		.al = al,
	};
	struct thread *main_thread;
	struct comm *comm = NULL;
	struct comm *comm = NULL;
	struct comm *curr_comm;
	struct comm *curr_comm;
	int err;
	int err;


	err = db_export__evsel(dbe, evsel);
	if (err)
		return err;

	err = db_export__machine(dbe, al->machine);
	if (err)
		return err;

	main_thread = thread__main_thread(al->machine, thread);
	if (main_thread) {
	if (main_thread) {
		/*
		/*
		 * A thread has a reference to the main thread, so export the
		 * A thread has a reference to the main thread, so export the
		 * main thread first.
		 * main thread first.
		 */
		 */
		err = db_export__thread(dbe, main_thread, al->machine,
		err = db_export__thread(dbe, main_thread, machine, main_thread);
					main_thread);
		if (err)
		if (err)
			goto out_put;
			return err;
		/*
		/*
		 * Export comm before exporting the non-main thread because
		 * Export comm before exporting the non-main thread because
		 * db_export__comm_thread() can be called further below.
		 * db_export__comm_thread() can be called further below.
		 */
		 */
		comm = machine__thread_exec_comm(al->machine, main_thread);
		comm = machine__thread_exec_comm(machine, main_thread);
		if (comm) {
		if (comm) {
			err = db_export__exec_comm(dbe, comm, main_thread);
			err = db_export__exec_comm(dbe, comm, main_thread);
			if (err)
			if (err)
				goto out_put;
				return err;
			es.comm_db_id = comm->db_id;
			*comm_ptr = comm;
		}
		}
	}
	}


@@ -340,23 +322,55 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
		 */
		 */
		bool export_comm_thread = comm && !thread->db_id;
		bool export_comm_thread = comm && !thread->db_id;


		err = db_export__thread(dbe, thread, al->machine, main_thread);
		err = db_export__thread(dbe, thread, machine, main_thread);
		if (err)
		if (err)
			goto out_put;
			return err;


		if (export_comm_thread) {
		if (export_comm_thread) {
			err = db_export__comm_thread(dbe, comm, thread);
			err = db_export__comm_thread(dbe, comm, thread);
			if (err)
			if (err)
				goto out_put;
				return err;
		}
		}
	}
	}


	curr_comm = thread__comm(thread);
	curr_comm = thread__comm(thread);
	if (curr_comm) {
	if (curr_comm)
		err = db_export__comm(dbe, curr_comm, thread);
		return db_export__comm(dbe, curr_comm, thread);

	return 0;
}

int db_export__sample(struct db_export *dbe, union perf_event *event,
		      struct perf_sample *sample, struct perf_evsel *evsel,
		      struct addr_location *al)
{
	struct thread *thread = al->thread;
	struct export_sample es = {
		.event = event,
		.sample = sample,
		.evsel = evsel,
		.al = al,
	};
	struct thread *main_thread;
	struct comm *comm = NULL;
	int err;

	err = db_export__evsel(dbe, evsel);
	if (err)
		return err;

	err = db_export__machine(dbe, al->machine);
	if (err)
		return err;

	main_thread = thread__main_thread(al->machine, thread);

	err = db_export__threads(dbe, thread, main_thread, al->machine, &comm);
	if (err)
	if (err)
		goto out_put;
		goto out_put;
	}

	if (comm)
		es.comm_db_id = comm->db_id;


	es.db_id = ++dbe->sample_last_db_id;
	es.db_id = ++dbe->sample_last_db_id;