summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
authorAdrian Hunter <adrian.hunter@intel.com>2019-07-10 10:58:01 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-07-10 17:14:07 +0200
commit4650c7bed79582c74452d284e45d5b76987c0ef3 (patch)
tree190b693529fe00eac4581a53828f245eeea00eab /tools
parentperf db-export: Factor out db_export__comm() (diff)
downloadlinux-4650c7bed79582c74452d284e45d5b76987c0ef3.tar.xz
linux-4650c7bed79582c74452d284e45d5b76987c0ef3.zip
perf db-export: Also export thread's current comm
Currently, the initial comm of the main thread is exported. Export also a thread's current comm. That better supports the tracing of multi-threaded applications that set different comms for different threads to make it easier to distinguish them. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190710085810.1650-13-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/db-export.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index b1e581c13963..5057fdd7f62d 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -299,6 +299,7 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
};
struct thread *main_thread;
struct comm *comm = NULL;
+ struct comm *curr_comm;
int err;
err = db_export__evsel(dbe, evsel);
@@ -350,6 +351,13 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
}
}
+ curr_comm = thread__comm(thread);
+ if (curr_comm) {
+ err = db_export__comm(dbe, curr_comm, thread);
+ if (err)
+ goto out_put;
+ }
+
es.db_id = ++dbe->sample_last_db_id;
err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset);