[tip:perf/urgent] perf db-export: Export comm details

tip-bot for Adrian Hunter
2019-07-17T22:56:27Z

Commit-ID: 8ebf5cc0f6ce469d65ba2e8ce519dae34f0b3f50
Gitweb: https://git.kernel.org/tip/8ebf5cc0f6ce469d65ba2e8ce519dae34f0b3f50
Author: Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Wed, 10 Jul 2019 11:57:57 +0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 10 Jul 2019 12:13:08 -0300

perf db-export: Export comm details

In preparation for exporting the current comm for a thread, export comm
thread id, start time and exec flag.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190710085810.1650-9-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/db-export.c | 2 +-
tools/perf/util/db-export.h | 3 ++-
tools/perf/util/scripting-engines/trace-event-python.c | 8 ++++++--
3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index 2c3a4ad68428..b0504d3eb130 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -95,7 +95,7 @@ int db_export__exec_comm(struct db_export *dbe, struct comm *comm,
comm->db_id = ++dbe->comm_last_db_id;

if (dbe->export_comm) {
- err = dbe->export_comm(dbe, comm);
+ err = dbe->export_comm(dbe, comm, main_thread);
if (err)
return err;
}
diff --git a/tools/perf/util/db-export.h b/tools/perf/util/db-export.h
index 811a678a910d..29f7c3b035a7 100644
--- a/tools/perf/util/db-export.h
+++ b/tools/perf/util/db-export.h
@@ -43,7 +43,8 @@ struct db_export {
int (*export_machine)(struct db_export *dbe, struct machine *machine);
int (*export_thread)(struct db_export *dbe, struct thread *thread,
u64 main_thread_db_id, struct machine *machine);
- int (*export_comm)(struct db_export *dbe, struct comm *comm);
+ int (*export_comm)(struct db_export *dbe, struct comm *comm,
+ struct thread *thread);
int (*export_comm_thread)(struct db_export *dbe, u64 db_id,
struct comm *comm, struct thread *thread);
int (*export_dso)(struct db_export *dbe, struct dso *dso,
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index c9837f0f0fd6..28167e938cef 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -1011,15 +1011,19 @@ static int python_export_thread(struct db_export *dbe, struct thread *thread,
return 0;
}

-static int python_export_comm(struct db_export *dbe, struct comm *comm)
+static int python_export_comm(struct db_export *dbe, struct comm *comm,
+ struct thread *thread)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
PyObject *t;

- t = tuple_new(2);
+ t = tuple_new(5);

tuple_set_u64(t, 0, comm->db_id);
tuple_set_string(t, 1, comm__str(comm));
+ tuple_set_u64(t, 2, thread->db_id);
+ tuple_set_u64(t, 3, comm->start);
+ tuple_set_s32(t, 4, comm->exec);

call_object(tables->comm_handler, t, "comm_table");