Commit 80859c94 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf db-export: Factor out db_export__comm() 



In preparation for exporting the current comm for a thread, factor out
db_export__comm().

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190710085810.1650-12-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 8534b5de

tools/perf/util/db-export.c

+23 −7
Original line number Diff line number Diff line
@@ -78,6 +78,26 @@ int db_export__thread(struct db_export *dbe, struct thread *thread, 
	return 0;

}



static int __db_export__comm(struct db_export *dbe, struct comm *comm,

			     struct thread *thread)

{

	comm->db_id = ++dbe->comm_last_db_id;



	if (dbe->export_comm)

		return dbe->export_comm(dbe, comm, thread);



	return 0;

}



int db_export__comm(struct db_export *dbe, struct comm *comm,

		    struct thread *thread)

{

	if (comm->db_id)

		return 0;



	return __db_export__comm(dbe, comm, thread);

}



/*

 * Export the "exec" comm. The "exec" comm is the program / application command

 * name at the time it first executes. It is used to group threads for the same
@@ -92,13 +112,9 @@ int db_export__exec_comm(struct db_export *dbe, struct comm *comm, 
	if (comm->db_id)

		return 0;



	comm->db_id = ++dbe->comm_last_db_id;



	if (dbe->export_comm) {

		err = dbe->export_comm(dbe, comm, main_thread);

	err = __db_export__comm(dbe, comm, main_thread);

	if (err)

		return err;

	}



	/*

	 * Record the main thread for this comm. Note that the main thread can

tools/perf/util/db-export.h

+2 −0
Original line number Diff line number Diff line
@@ -77,6 +77,8 @@ int db_export__evsel(struct db_export *dbe, struct perf_evsel *evsel); 
int db_export__machine(struct db_export *dbe, struct machine *machine);

int db_export__thread(struct db_export *dbe, struct thread *thread,

		      struct machine *machine, struct thread *main_thread);

int db_export__comm(struct db_export *dbe, struct comm *comm,

		    struct thread *thread);

int db_export__exec_comm(struct db_export *dbe, struct comm *comm,

			 struct thread *main_thread);

int db_export__comm_thread(struct db_export *dbe, struct comm *comm,

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