From: Adrian Hunter <adrian.hunter@intel.com>
Date: Mon, 12 Sep 2022 08:34:06 +0000 (+0300)
Subject: perf test: test_intel_pt.sh: Stop using backticks
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1aaff2bac6cdb372ca83f3da6e1f4af6c04eefcd;p=linux.git

perf test: test_intel_pt.sh: Stop using backticks

As suggested by shellcheck, stop using backticks.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220912083412.7058-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh
index 2be8cb03a620e..0273332b99e9d 100755
--- a/tools/perf/tests/shell/test_intel_pt.sh
+++ b/tools/perf/tests/shell/test_intel_pt.sh
@@ -51,7 +51,7 @@ test_system_wide_side_band()
 	perf record -B -N --no-bpf-event -o ${perfdatafile} -e intel_pt//u -C 0 -- taskset --cpu-list 1 uname
 
 	# Should get MMAP events from CPU 1 because they can be needed to decode
-	mmap_cnt=`perf script -i ${perfdatafile} --no-itrace --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l`
+	mmap_cnt=$(perf script -i ${perfdatafile} --no-itrace --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l)
 
 	if [ ${mmap_cnt} -gt 0 ] ; then
 		return 0