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-rwxr-xr-xtools/perf/tests/shell/record+zstd_comp_decomp.sh9
1 files changed, 4 insertions, 5 deletions
diff --git a/tools/perf/tests/shell/record+zstd_comp_decomp.sh b/tools/perf/tests/shell/record+zstd_comp_decomp.sh
index 93a26a87b1f2..5dcba800109f 100755
--- a/tools/perf/tests/shell/record+zstd_comp_decomp.sh
+++ b/tools/perf/tests/shell/record+zstd_comp_decomp.sh
@@ -3,29 +3,28 @@
trace_file=$(mktemp /tmp/perf.data.XXX)
perf_tool=perf
-output=/dev/null
skip_if_no_z_record() {
- $perf_tool record -h 2>&1 | grep '\-z, \-\-compression\-level'
+ $perf_tool record -h 2>&1 | grep -q '\-z, \-\-compression\-level'
}
collect_z_record() {
echo "Collecting compressed record file:"
$perf_tool record -o $trace_file -g -z -F 5000 -- \
- dd count=500 if=/dev/random of=/dev/null > $output 2>&1
+ dd count=500 if=/dev/random of=/dev/null
}
check_compressed_stats() {
echo "Checking compressed events stats:"
$perf_tool report -i $trace_file --header --stats | \
- grep -E "(# compressed : Zstd,)|(COMPRESSED events:)" > $output 2>&1
+ grep -E "(# compressed : Zstd,)|(COMPRESSED events:)"
}
check_compressed_output() {
$perf_tool inject -i $trace_file -o $trace_file.decomp &&
$perf_tool report -i $trace_file --stdio | head -n -3 > $trace_file.comp.output &&
$perf_tool report -i $trace_file.decomp --stdio | head -n -3 > $trace_file.decomp.output &&
- diff $trace_file.comp.output $trace_file.decomp.output > $output 2>&1
+ diff $trace_file.comp.output $trace_file.decomp.output
}
skip_if_no_z_record || exit 2