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From: Masami Hiramatsu <mhiramat@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Sven Schnelle <svens@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Stefan Liebler <stli@linux.ibm.com>,
	Thomas Richter <tmricht@linux.ibm.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] perf probe: Do not show @plt function by default
Date: Sun,  4 Jul 2021 00:35:34 +0900	[thread overview]
Message-ID: <162532653450.393143.12621329879630677469.stgit@devnote2> (raw)
In-Reply-To: <162532651032.393143.4602033845482295575.stgit@devnote2>

From: Masami Hiramatsu <mhriamat@kernel.org>

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@linux.ibm.com>
Signed-off-by: Masami Hiramatsu <mhriamat@kernel.org>
---
 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 */


  parent reply	other threads:[~2021-07-03 15:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-03 15:35 [PATCH 0/3] perf: Fix perf probe for Fedora34 glibc update Masami Hiramatsu
2021-07-03 15:35 ` [PATCH 1/3] perf-probe: Fix debuginfo__new() to enable build-id based debuginfo Masami Hiramatsu
2021-07-03 15:35 ` [PATCH 2/3] perf symbol-elf: Decode dynsym even if symtab exists Masami Hiramatsu
2021-07-03 15:35 ` Masami Hiramatsu [this message]
2021-07-05 12:11   ` [PATCH 3/3] perf probe: Do not show @plt function by default Thomas Richter
2021-07-05 17:47     ` Arnaldo Carvalho de Melo
2021-07-05 20:48 ` [PATCH 0/3] perf: Fix perf probe for Fedora34 glibc update Namhyung Kim
2021-07-06  5:51   ` Masami Hiramatsu

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