diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-17 17:15:20 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-21 21:38:56 +0100 |
| commit | a40b95bcd30cf77c6c7a00f879dfecbded47b3bd (patch) | |
| tree | 27e6226261e8616d6dfa2f5ed7cc0e790a8a09eb | |
| parent | perf tools: Synthesize PERF_RECORD_* for loaded BPF programs (diff) | |
| download | linux-a40b95bcd30cf77c6c7a00f879dfecbded47b3bd.tar.xz linux-a40b95bcd30cf77c6c7a00f879dfecbded47b3bd.zip | |
perf top: Synthesize BPF events for pre-existing loaded BPF programs
So that we can resolve symbols and map names.
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: kernel-team@fb.com
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/20190117161521.1341602-9-songliubraving@fb.com
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-top.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index f64e312db787..5a486d4de56e 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -22,6 +22,7 @@ #include "perf.h" #include "util/annotate.h" +#include "util/bpf-event.h" #include "util/config.h" #include "util/color.h" #include "util/drv_configs.h" @@ -1215,6 +1216,12 @@ static int __cmd_top(struct perf_top *top) init_process_thread(top); + ret = perf_event__synthesize_bpf_events(&top->tool, perf_event__process, + &top->session->machines.host, + &top->record_opts); + if (ret < 0) + pr_warning("Couldn't synthesize bpf events.\n"); + machine__synthesize_threads(&top->session->machines.host, &opts->target, top->evlist->threads, false, top->nr_threads_synthesize); |