Implemented basic integration test for Zstd based trace compression/decompression in record and report modes.
Signed-off-by: Alexey Budankov <[email protected]> --- .../tests/shell/record+zstd_comp_decomp.sh | 35 +++++++++++++++++++ 1 file changed, 35 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..c0ff142bf66a --- /dev/null +++ b/tools/perf/tests/shell/record+zstd_comp_decomp.sh @@ -0,0 +1,35 @@ +#!/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' +} + +collect_z_record() { + echo "Collecting compressed record trace file:" + $perf_tool record -o $trace_file -g -z -F 25000 -- \ + dd count=1000 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 +} + +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 > $output 2>&1 +} + +skip_if_no_z_record || exit 2 +collect_z_record && check_compressed_stats && check_compressed_output +err=$? +rm -f $trace_file* +exit $err -- 2.20.1
