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| author | Adrian Hunter <adrian.hunter@intel.com> | 2019-07-10 11:58:01 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-10 12:14:07 -0300 |
| commit | 4650c7bed79582c74452d284e45d5b76987c0ef3 (patch) | |
| tree | 190b693529fe00eac4581a53828f245eeea00eab | |
| parent | 80859c947a1eb170927d03e713abf7550a3d8766 (diff) | |
| download | linux-4650c7bed79582c74452d284e45d5b76987c0ef3.tar.bz2 | |
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>
| -rw-r--r-- | tools/perf/util/db-export.c | 8 |
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); |