Subject: [PATCH 21/24] perf top: Synthesize BPF events for pre-existing loaded BPF programs

From: Arnaldo Carvalho de Melo <[email-masked]>
Date: Mon, 21 Jan 2019 20:57:03 -0300

From: Arnaldo Carvalho de Melo <[email-masked]>

So that we can resolve symbols and map names.

Cc: Alexei Starovoitov <[email-masked]>
Cc: Daniel Borkmann <[email-masked]>
Cc: David Ahern <[email-masked]>
Cc: Peter Zijlstra <[email-masked]>
Cc: Song Liu <[email-masked]>
Cc: [email-masked]
Cc: [email-masked]
Link: http://lkml.kernel.org/r/[email-masked]
Signed-off-by: Song Liu <[email-masked]>
Signed-off-by: Arnaldo Carvalho de Melo <[email-masked]>
---
 tools/perf/builtin-top.c | 7 +++++++
 1 file changed, 7 insertions(+)

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);
-- 
2.20.1