From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Andi Kleen <ak@linux.intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 12/12] perf tests: implement Zstd comp/decomp integration test
Date: Tue, 12 Mar 2019 08:38:39 +0300 [thread overview]
Message-ID: <e0ab22c3-c285-63db-02c0-29e7ecf03097@linux.intel.com> (raw)
In-Reply-To: <5f3a8326-58a0-816e-ad61-31c111232c7a@linux.intel.com>
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
prev parent reply other threads:[~2019-03-12 5:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-12 4:57 [PATCH v7 00/12] perf: enable compression of record mode trace to save storage space Alexey Budankov
2019-03-12 5:03 ` [PATCH v7 01/12] feature: implement libzstd check, LIBZSTD_DIR and NO_LIBZSTD defines Alexey Budankov
2019-03-12 5:12 ` [PATCH v7 02/12] perf record: implement -f,--mmap-flush=<threshold> option Alexey Budankov
2019-03-13 14:36 ` Jiri Olsa
2019-03-13 15:00 ` Alexey Budankov
2019-03-12 5:15 ` [PATCH v7 03/12] perf session: define bytes_transferred and bytes_compressed metrics Alexey Budankov
2019-03-12 5:17 ` [PATCH v7 04/12] perf record: implement COMPRESSED event record and its attributes Alexey Budankov
2019-03-12 5:20 ` [PATCH v7 05/12] perf mmap: implement dedicated memory buffer for data compression Alexey Budankov
2019-03-12 5:23 ` [PATCH v7 06/12] perf util: introduce Zstd based streaming compression API Alexey Budankov
2019-03-13 14:37 ` Jiri Olsa
2019-03-13 15:06 ` Alexey Budankov
2019-03-12 5:25 ` [PATCH v7 07/12] perf record: implement compression for serial trace streaming Alexey Budankov
2019-03-12 5:30 ` [PATCH v7 08/12] perf record: implement compression for AIO " Alexey Budankov
2019-03-13 14:36 ` Jiri Olsa
2019-03-13 15:33 ` Alexey Budankov
2019-03-13 14:37 ` Jiri Olsa
2019-03-12 5:32 ` [PATCH v7 09/12] perf record: implement -z,--compression_level=n option Alexey Budankov
2019-03-12 5:36 ` [PATCH v7 10/12] perf report: implement record trace decompression Alexey Budankov
2019-03-13 14:37 ` Jiri Olsa
2019-03-13 15:55 ` Alexey Budankov
2019-03-14 9:01 ` Jiri Olsa
2019-03-12 5:37 ` [PATCH v7 11/12] perf inject: enable COMPRESSED records decompression Alexey Budankov
2019-03-12 5:38 ` Alexey Budankov [this message]
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