linux-kernel - [tip:perf/core] perf test: Fix test case inet

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Message-ID: <tip-0f19a038afdc592176c9a302f0d08be6a68ad74a@git.kernel.org>
Date:   Sat, 17 Feb 2018 03:39:16 -0800
From:   tip-bot for Thomas Richter <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tmricht@...ux.vnet.ibm.com, acme@...hat.com,
        heiko.carstens@...ibm.com, linux-kernel@...r.kernel.org,
        brueckner@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
        hpa@...or.com, tglx@...utronix.de, mingo@...nel.org
Subject: [tip:perf/core] perf test: Fix test case inet_pton to accept
 inlines.

Commit-ID:  0f19a038afdc592176c9a302f0d08be6a68ad74a
Gitweb:     https://git.kernel.org/tip/0f19a038afdc592176c9a302f0d08be6a68ad74a
Author:     Thomas Richter <tmricht@...ux.vnet.ibm.com>
AuthorDate: Wed, 14 Feb 2018 08:03:03 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 16 Feb 2018 15:16:58 -0300

perf test: Fix test case inet_pton to accept inlines.

Using Fedora 27 and latest Linux kernel the test case
trace+probe_libc_inet_pton.sh fails again on s390.  This time is the
inlining of functions which does not match.  After an update of the
glibc (from 2.26-16 to 2.26-24) the output is different

The expected output is:

             __inet_pton (/usr/lib64/libc-2.26.so)
             gaih_inet (inlined)
             ....

The actual output is:

  1 packets transmitted, 1 received, 0% packet loss, time 0ms
  rtt min/avg/max/mdev = 0.061/0.061/0.061/0.000 ms
       0.000 probe_libc:inet_pton:(3ffb2140448))
             __inet_pton (inlined)
             gaih_inet.constprop.7 (/usr/lib64/libc-2.26.so)
             ...

Fix this by being less strict on 'inlined' verses library name and
accept both

Signed-off-by: Thomas Richter <tmricht@...ux.vnet.ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Link: http://lkml.kernel.org/r/20180214070303.55757-1-tmricht@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/shell/trace+probe_libc_inet_pton.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
index c446c89..8c4ab0b 100755
--- a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
@@ -21,12 +21,12 @@ trace_libc_inet_pton_backtrace() {
 	expected[3]=".*packets transmitted.*"
 	expected[4]="rtt min.*"
 	expected[5]="[0-9]+\.[0-9]+[[:space:]]+probe_libc:inet_pton:\([[:xdigit:]]+\)"
-	expected[6]=".*inet_pton[[:space:]]\($libc\)$"
+	expected[6]=".*inet_pton[[:space:]]\($libc|inlined\)$"
 	case "$(uname -m)" in
 	s390x)
 		eventattr='call-graph=dwarf'
-		expected[7]="gaih_inet[[:space:]]\(inlined\)$"
-		expected[8]="__GI_getaddrinfo[[:space:]]\(inlined\)$"
+		expected[7]="gaih_inet.*[[:space:]]\($libc|inlined\)$"
+		expected[8]="__GI_getaddrinfo[[:space:]]\($libc|inlined\)$"
 		expected[9]="main[[:space:]]\(.*/bin/ping.*\)$"
 		expected[10]="__libc_start_main[[:space:]]\($libc\)$"
 		expected[11]="_start[[:space:]]\(.*/bin/ping.*\)$"