Messages in this thread Patch in this message | | | Subject | [PATCH v6 10/10] perf tests: implement Zstd comp/decomp integration test | From | Alexey Budankov <> | Date | Tue, 5 Mar 2019 12:31:39 +0300 |
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Implemented basic integration test for Zstd based trace compression/decompression in record and report modes.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> --- .../tests/shell/record+zstd_comp_decomp.sh | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100755 tools/perf/tests/shell/record+zstd_comp_decomp.sh
diff --git a/tools/perf/tests/shell/record+zstd_comp_decomp.sh b/tools/perf/tests/shell/record+zstd_comp_decomp.sh new file mode 100755 index 000000000000..5cb2ab8e2112 --- /dev/null +++ b/tools/perf/tests/shell/record+zstd_comp_decomp.sh @@ -0,0 +1,28 @@ +#!/bin/sh +# record trace Zstd compression/decompression + +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 <n>' +} + +collect_z_record() { + echo "Collecting compressed record trace file:" + $perf_tool record -o $trace_file -a -z 1 -F 25000 -e cycles -- \ + dd count=2000 if=/dev/random of=/dev/null > $output 2>&1 +} + +check_compressed_stats() { + echo "Checking compressed events stats:" + $perf_tool report -i $trace_file --header --stats | \ + grep -E "(# compressed : Zstd,)|(COMPRESSED events:)" > $output 2>&1 +} + +skip_if_no_z_record || exit 2 +collect_z_record && check_compressed_stats +err=$? +rm -f $trace_file +exit $err -- 2.20.1
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