summaryrefslogtreecommitdiffstats
path: root/tools/perf/builtin-top.c
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2019-01-17 08:15:20 -0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-01-21 17:38:56 -0300
commita40b95bcd30cf77c6c7a00f879dfecbded47b3bd (patch)
tree27e6226261e8616d6dfa2f5ed7cc0e790a8a09eb /tools/perf/builtin-top.c
parent7b612e291a5affb12b9d0b87332c71bcbe9c5db4 (diff)
downloadlinux-a40b95bcd30cf77c6c7a00f879dfecbded47b3bd.tar.bz2
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>
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c7
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);