From: Thomas Richter <tmricht@linux.ibm.com>
To: Masami Hiramatsu <mhiramat@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org,
Sven Schnelle <svens@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Stefan Liebler <stli@linux.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] perf probe: Do not show @plt function by default
Date: Mon, 5 Jul 2021 14:11:11 +0200 [thread overview]
Message-ID: <9824bd00-3291-3a65-73f1-553410b8eb68@linux.ibm.com> (raw)
In-Reply-To: <162532653450.393143.12621329879630677469.stgit@devnote2>
On 7/3/21 5:35 PM, Masami Hiramatsu wrote:
> 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 */
>
Thanks, works again ...
--
Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany
--
Vorsitzender des Aufsichtsrats: Gregor Pillen
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294
next prev parent reply other threads:[~2021-07-05 12:11 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 ` [PATCH 3/3] perf probe: Do not show @plt function by default Masami Hiramatsu
2021-07-05 12:11 ` Thomas Richter [this message]
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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