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Date:   Mon, 14 May 2018 23:39:44 -0700
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip:perf/urgent] perf test: "probe libc's inet_pton" fails on s390
 due to missing inline
Git-Commit-ID: f8207b987fdc3768257704579bf29a717b4ea520
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Commit-ID:  f8207b987fdc3768257704579bf29a717b4ea520
Gitweb:     https://git.kernel.org/tip/f8207b987fdc3768257704579bf29a717b4ea520
Author:     Thomas Richter <tmricht@linux.ibm.com>
AuthorDate: Thu, 3 May 2018 08:58:37 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 10 May 2018 15:19:30 -0300

perf test: "probe libc's inet_pton" fails on s390 due to missing inline

perf test "probe libc's inet_pton & backtrace it with ping" fails on
4.17.0rc3 on s/390. It turned out that function __inet_pton is reported
as inline:

  [root@s8360047 perf]# ./perf script -i /tmp/perf.data.111
  ping 12457 [000]  1584.478959: probe_libc:inet_pton: (3ffb5a347e8)
                    1347e8 __inet_pton (inlined)
                     f19d7 gaih_inet.constprop.5 (/usr/lib64/libc-2.24.so)
                     f4c3f __GI_getaddrinfo (inlined)
                      410b main (/usr/bin/ping)

Allow __inet_pton listed as inline.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Link: http://lkml.kernel.org/r/20180503065837.71043-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/tests/shell/record+probe_libc_inet_pton.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 016882dbbc16..ee86473643be 100755
--- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
@@ -16,7 +16,7 @@ nm -g $libc 2>/dev/null | fgrep -q inet_pton || exit 254
 trace_libc_inet_pton_backtrace() {
 	idx=0
 	expected[0]="ping[][0-9 \.:]+probe_libc:inet_pton: \([[:xdigit:]]+\)"
-	expected[1]=".*inet_pton[[:space:]]\($libc\)$"
+	expected[1]=".*inet_pton[[:space:]]\($libc|inlined\)$"
 	case "$(uname -m)" in
 	s390x)
 		eventattr='call-graph=dwarf,max-stack=4'