[v5,perf,bpf,10/15] perf-top: add option --no-bpf-event
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Message ID 20190228050643.958685-11-songliubraving@fb.com
State Changes Requested
Delegated to: BPF Maintainers
Headers show
Series
  • perf annotation of BPF programs
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Commit Message

Song Liu Feb. 28, 2019, 5:06 a.m. UTC
bpf events should be tracked by default for perf-top. This patch makes it
on by default, and adds option to disable bpf events.

Signed-off-by: Song Liu <songliubraving@fb.com>
---
 tools/perf/builtin-top.c | 3 +++
 tools/perf/util/top.h    | 1 +
 2 files changed, 4 insertions(+)

Patch
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diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 27d8d42e0a4d..ccdf5689452f 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1492,6 +1492,7 @@  int cmd_top(int argc, const char **argv)
 		    "Display raw encoding of assembly instructions (default)"),
 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
 		    "Enable kernel symbol demangling"),
+	OPT_BOOLEAN(0, "no-bpf-event", &top.no_bpf_event, "do not record bpf events"),
 	OPT_STRING(0, "objdump", &top.annotation_opts.objdump_path, "path",
 		    "objdump binary to use for disassembly and annotations"),
 	OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style",
@@ -1651,6 +1652,8 @@  int cmd_top(int argc, const char **argv)
 		signal(SIGWINCH, winch_sig);
 	}
 
+	top.record_opts.bpf_event = !top.no_bpf_event;
+
 	status = __cmd_top(&top);
 
 out_delete_evlist:
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 19f95eaf75c8..862a37bd27ea 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -32,6 +32,7 @@  struct perf_top {
 	bool		   use_tui, use_stdio;
 	bool		   vmlinux_warned;
 	bool		   dump_symtab;
+	bool		   no_bpf_event;
 	struct hist_entry  *sym_filter_entry;
 	struct perf_evsel  *sym_evsel;
 	struct perf_session *session;