Messages in this thread | | | Subject | Re: [PATCH v9 00/12] perf: enable compression of record mode trace to save storage space | From | Alexey Budankov <> | Date | Mon, 18 Mar 2019 20:57:51 +0300 |
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On 18.03.2019 14:46, Jiri Olsa wrote: > On Sat, Mar 16, 2019 at 11:58:30AM +0300, Alexey Budankov wrote: > > SNIP > >> --- >> Alexey Budankov (12): >> feature: implement libzstd check, LIBZSTD_DIR and NO_LIBZSTD defines >> perf record: implement --mmap-flush=<number> option >> perf session: define bytes_transferred and bytes_compressed metrics >> perf record: implement COMPRESSED event record and its attributes >> perf mmap: implement dedicated memory buffer for data compression >> perf util: introduce Zstd streaming based compression API >> perf record: implement compression for serial trace streaming >> perf record: implement compression for AIO trace streaming >> perf record: implement -z,--compression_level[=<n>] option >> perf report: implement record trace decompression >> perf inject: enable COMPRESSED records decompression >> perf tests: implement Zstd comp/decomp integration test >> >> tools/build/Makefile.feature | 6 +- >> tools/build/feature/Makefile | 6 +- >> tools/build/feature/test-all.c | 5 + >> tools/build/feature/test-libzstd.c | 12 + >> tools/perf/Documentation/perf-record.txt | 17 ++ >> .../Documentation/perf.data-file-format.txt | 24 ++ >> tools/perf/Makefile.config | 20 ++ >> tools/perf/Makefile.perf | 3 + >> tools/perf/builtin-inject.c | 4 + >> tools/perf/builtin-record.c | 285 +++++++++++++++--- >> tools/perf/builtin-report.c | 5 +- >> tools/perf/builtin-version.c | 2 + >> tools/perf/perf.h | 2 + >> .../tests/shell/record+zstd_comp_decomp.sh | 28 ++ >> tools/perf/util/Build | 2 + >> tools/perf/util/compress.h | 54 ++++ >> tools/perf/util/env.h | 11 + >> tools/perf/util/event.c | 1 + >> tools/perf/util/event.h | 7 + >> tools/perf/util/evlist.c | 8 +- >> tools/perf/util/evlist.h | 3 +- >> tools/perf/util/header.c | 55 +++- >> tools/perf/util/header.h | 1 + >> tools/perf/util/mmap.c | 106 ++----- >> tools/perf/util/mmap.h | 17 +- >> tools/perf/util/session.c | 124 +++++++- >> tools/perf/util/session.h | 14 + >> tools/perf/util/tool.h | 2 + >> tools/perf/util/zstd.c | 111 +++++++ >> 29 files changed, 801 insertions(+), 134 deletions(-) >> create mode 100644 tools/build/feature/test-libzstd.c >> create mode 100755 tools/perf/tests/shell/record+zstd_comp_decomp.sh >> create mode 100644 tools/perf/util/zstd.c >> >> --- >> Changes in v9: >> - fixed issue with improper max COMPRESSED record size calculation >> - moved up calculation of ratio variable in 03/12 >> - made minor corrections in changelogs >> - corrected several checkpatch.pl warnings and errors > > apart from 2 comments I'm ok with this patchset
Comments are addressed in v10.
> > Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Thanks, Alexey
> > thanks a lot, > jirka >
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