[PATCH v11 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing loaded BPF programs
From: Song Liu <hidden>
Date: 2019-01-17 16:16:16
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
From: Arnaldo Carvalho de Melo <redacted> So that we can resolve symbols and map names. Cc: Song Liu <redacted> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <redacted> Cc: Peter Zijlstra <peterz@infradead.org> Cc: kernel-team@fb.com Cc: netdev@vger.kernel.org Link: https://lkml.kernel.org/n/tip-h3loibff6htedj43q7uinon0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <redacted> Signed-off-by: Song Liu <redacted> --- 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);
--
2.17.1