linux-kernel - [PATCH] perf test: perf header test fails on s390

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Message-ID: <20250630091613.3061664-1-tmricht@linux.ibm.com>
Date: Mon, 30 Jun 2025 11:16:13 +0200
From: Thomas Richter <tmricht@...ux.ibm.com>
To: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-perf-users@...r.kernel.org, acme@...nel.org, namhyung@...nel.org,
        irogers@...gle.com
Cc: agordeev@...ux.ibm.com, gor@...ux.ibm.com, sumanthk@...ux.ibm.com,
        hca@...ux.ibm.com, japo@...ux.ibm.com,
        Thomas Richter <tmricht@...ux.ibm.com>
Subject: [PATCH] perf test: perf header test fails on s390

commit 2d584688643fa ("perf test: Add header shell test")
introduced a new test case for perf header. It fails on s390
because call graph option -g is not supported on s390.
Also the option --call-graph dwarf is only supported for
the event cpu-clock.

Remove this option and the test succeeds.

Output after:
 # ./perf test 76
 76: perf header tests                           : Ok

Fixes: 2d584688643fa ("perf test: Add header shell test")
Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@...ux.ibm.com>
Cc: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/shell/header.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/shell/header.sh b/tools/perf/tests/shell/header.sh
index 813831cff0bd..412263de6ed7 100755
--- a/tools/perf/tests/shell/header.sh
+++ b/tools/perf/tests/shell/header.sh
@@ -51,7 +51,7 @@ check_header_output() {
 test_file() {
   echo "Test perf header file"
 
-  perf record -o "${perfdata}" -g -- perf test -w noploop
+  perf record -o "${perfdata}" -- perf test -w noploop
   perf report --header-only -I -i "${perfdata}" > "${script_output}"
   check_header_output
 
@@ -61,7 +61,7 @@ test_file() {
 test_pipe() {
   echo "Test perf header pipe"
 
-  perf record -o - -g -- perf test -w noploop | perf report --header-only -I -i - > "${script_output}"
+  perf record -o - -- perf test -w noploop | perf report --header-only -I -i - > "${script_output}"
   check_header_output
 
   echo "Test perf header pipe [Done]"
-- 
2.50.0