From a40b95bcd30cf77c6c7a00f879dfecbded47b3bd Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 17 Jan 2019 08:15:20 -0800 Subject: [PATCH] perf top: Synthesize BPF events for pre-existing loaded BPF programs So that we can resolve symbols and map names. Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: David Ahern Cc: Peter Zijlstra Cc: Song Liu 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 Signed-off-by: Arnaldo Carvalho de Melo --- 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); -- 2.30.2