linux-kernel - [PATCH] perf/tests: fix record+probe_libc_inet

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Message-Id: <1728978807-81116-1-git-send-email-renyu.zj@linux.alibaba.com>
Date: Tue, 15 Oct 2024 15:53:27 +0800
From: Jing Zhang <renyu.zj@...ux.alibaba.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: xueshuai@...ux.alibaba.com,
	zhuo.song@...ux.alibaba.com
Subject: [PATCH] perf/tests: fix record+probe_libc_inet_pton test on aarch64

Since commit 1f85d016768f ("perf test record+probe_libc_inet_pton: Fix
call chain match on x86_64") remove function getaddrinfo() on expected
file, the test failed on aarch64. On aarch64, function getaddrinfo()
show up in the call chain.

$perf script -i /tmp/perf.data.1PV
ping 2588319 [125] 500119.122843: probe_libc:inet_pton: (ffff9a4f7410)
            ffff9a4f7410 __GI___inet_pton+0x0 (/usr/lib64/libc-2.32.so)
            ffff9a4c5f7c getaddrinfo+0xec (/usr/lib64/libc-2.32.so)
            aaaad6d32b38 [unknown] (/usr/bin/ping)

So just remove getaddrinfo() on x86_64.

Fixes: 1f85d016768f ("perf test record+probe_libc_inet_pton: Fix call chain match on x86_64")
Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
---
 tools/perf/tests/shell/record+probe_libc_inet_pton.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
index 47a26f2..09d7b0b 100755
--- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
@@ -52,8 +52,12 @@ trace_libc_inet_pton_backtrace() {
 		echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
 		echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected
 		;;
+	x86_64)
+		eventattr='max-stack=3'
+		echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected
 	*)
 		eventattr='max-stack=3'
+		echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
 		echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected
 		;;
 	esac
-- 
1.8.3.1