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Date:   Thu, 22 Jun 2023 11:18:09 +0100
From:   James Clark <james.clark@....com>
To:     linux-perf-users@...r.kernel.org, spoorts2@...ibm.com
Cc:     James Clark <james.clark@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        Kajol Jain <kjain@...ux.ibm.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] perf tests: Fix test_arm_callgraph_fp variable expansion

$TEST_PROGRAM is a command with spaces so it's supposed to be word
split. The referenced fix to fix the shellcheck warnings incorrectly
quoted this string so unquote it to fix the test.

At the same time silence the shellcheck warning for that line and fix
two more shellcheck errors at the end of the script.

Fixes: 1bb17b4c6c91 ("perf tests arm_callgraph_fp: Address shellcheck warnings about signal names and adding double quotes for expression")
Signed-off-by: James Clark <james.clark@....com>
---
 tools/perf/tests/shell/test_arm_callgraph_fp.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
index 1380e0d12dce..66dfdfdad553 100755
--- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -15,7 +15,8 @@ cleanup_files()
 trap cleanup_files EXIT TERM INT
 
 # Add a 1 second delay to skip samples that are not in the leaf() function
-perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- "$TEST_PROGRAM" 2> /dev/null &
+# shellcheck disable=SC2086
+perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null &
 PID=$!
 
 echo " + Recording (PID=$PID)..."
@@ -33,8 +34,8 @@ wait $PID
 # 	76c leafloop
 # ...
 
-perf script -i $PERF_DATA -F comm,ip,sym | head -n4
-perf script -i $PERF_DATA -F comm,ip,sym | head -n4 | \
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 | \
 	awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" ||
 						       sym[1] != "parent" ||
 						       sym[2] != "leafloop") exit 1 }'
-- 
2.34.1

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