[PATCH 3/3] perf probe: Do not show @plt function by default

From: Masami Hiramatsu
Date: Sat Jul 03 2021 - 11:35:39 EST


From: Masami Hiramatsu <mhriamat@xxxxxxxxxx>

Fix the perf-probe --functions option do not show the PLT
stub symbols (*@plt) by default.

-----
$ ./perf probe -x /usr/lib64/libc-2.33.so -F | head
a64l
abort
abs
accept
accept4
access
acct
addmntent
addseverity
adjtime
-----

Reported-by: Thomas Richter <tmricht@xxxxxxxxxxxxx>
Signed-off-by: Masami Hiramatsu <mhriamat@xxxxxxxxxx>
---
tools/perf/builtin-probe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 2bfd41df621c..e1dd51f2874b 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -31,7 +31,7 @@
#include <linux/zalloc.h>

#define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*"
-#define DEFAULT_FUNC_FILTER "!_*"
+#define DEFAULT_FUNC_FILTER "!_* & !*@plt"
#define DEFAULT_LIST_FILTER "*"

/* Session management structure */