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From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH v6 00/45] Add trace file compression
Date: Mon, 14 Jun 2021 10:49:44 +0300	[thread overview]
Message-ID: <20210614075029.598048-1-tz.stoyanov@gmail.com> (raw)

New implementation, adding a compression to trace file. A basic infrastructure
for compression support is added into the trace-cmd library. The zlib is used
for compression, but more libraries and algorithms can be added. Trace data is
commpressed and part of the trace file metadata: 
 - ftrace events format
 - format of recorded events
 - information about the mapping of function addresses to the function names
 - trace_printk() format strings
 - information of the mapping a PID to a process name
 - options
Note: not all trace-cmd commands are tested with these changes. These are
verified to work with compressed trace files:
 trace-cmd record
 trace-cmd report
 trace-cmd dump
 trace-cmd agent
 trace-cmd profile
 trace-cmd split
 trace-cmd convert

Todo list, in order to have complete trace file compression:
 - Add support for more compression libraries.
 - Test all trace-cmd commands with trace file v7.

v6 changes:
 - Documentation upadate.
 - Bug fixes.
 - Coding style fixes.
v5 changes:
 - Comress the latency trace data.
 - Add new "trace-cmd convert" subcommand.
 - Fixed bug with empty CPUs in the trace file.
 - A lot of minor bug fixes.
v4 changes:
 - Tested and fixed profile and split subcommands with compression files.
 - Bug fixes.
v3 changes:
 - Compress the trace data.
 - Added documentation to all compression APIs.
 - A few minor fixes.
v2 changes:
 - Refactored compression APIs.
 - Moved the trace buffers description out of the trace options section.
 - Added compression of "options" section of the trace file.
 - Updated "trace-cmd list" to show available compression algorithms.
 - Tested with host-guest tracing.
 - Merged with the patchset that bumps the trace file version.

Tzvetomir Stoyanov (VMware) (45):
  trace-cmd library: Remove unused private APIs for creating trace files
  trace-cmd library: Remove unused API tracecmd_update_option
  trace-cmd: Check if file version is supported
  trace-cmd library: Add new API to get file version of input handler
  trace-cmd library: Select the file version when writing trace file
  trace-cmd: Add APIs for library initialization and free
  trace-cmd library: Add support for compression algorithms
  trace-cmd list: Show supported compression algorithms
  trace-cmd library: Bump the trace file version to 7
  trace-cmd library: Compress part of the trace file
  trace-cmd library: Read compressed trace file
  trace-cmd library: Add new API to get compression of input handler
  trace-cmd library: Inherit compression algorithm from input file
  trace-cmd library: Extend the create file APIs to support different
    compression
  trace-cmd record: Add new parameter --compression
  trace-cmd dump: Add support for trace files version 7
  trace-cmd library: Add support for zlib compression library
  trace-cmd library: Hide the logic for updating buffer offset
  trace-cmd: Move buffers description outside of options
  trace-cmd library: Track the offset in the option section in the trace
    file
  trace-cmd library: Add compression of the option section of the trace
    file
  trace-cmd library: Refactor the logic for writing trace data in the
    file
  trace-cmd library: Add APIs for read and write compressed data in
    chunks
  trace-cmd: Compress trace data
  trace-cmd: Read compressed trace data
  trace-cmd library: Compress latency trace data
  trace-cmd: Read compressed latency trace data
  trace-cmd library: Reuse within the library the function that checks
    file state.
  trace-cmd library: Make tracecmd_copy_headers() to work with output
    handler
  trace-cmd: Do not use trace file compression with streams
  trace-cmd library: Add new API to get file version of output handler
  trace-cmd: Add file state parameter to tracecmd_copy
  trace-cmd: Copy CPU count in tracecmd_copy
  trace-cmd: Copy buffers description in tracecmd_copy
  trace-cmd: Copy options in tracecmd_copy
  trace-cmd library: Refactor the logic for writing CPU trace data
  trace-cmd library: Refactor the logic for writing CPU instance trace
    data
  trace-cmd: Copy trace data in tracecmd_copy
  trace-cmd: Add compression parameter to tracecmd_copy
  trace-cmd: Add new command "trace-cmd convert"
  trace-cmd record: Update man page
  trace-cmd: Add convert man page
  trace-cmd: Update bash completion
  trace-cmd list: Update the man page
  trace-cmd: Update trace.dat man page

 .../trace-cmd/trace-cmd-convert.1.txt         |  60 ++
 Documentation/trace-cmd/trace-cmd-list.1.txt  |   3 +
 .../trace-cmd/trace-cmd-record.1.txt          |  10 +
 Documentation/trace-cmd/trace-cmd.1.txt       |   4 +-
 Documentation/trace-cmd/trace-cmd.dat.5.txt   |  56 +-
 lib/trace-cmd/Makefile                        |  11 +
 .../include/private/trace-cmd-private.h       |  92 +-
 lib/trace-cmd/include/trace-cmd-local.h       |  44 +-
 lib/trace-cmd/trace-compress-zlib.c           | 172 +++
 lib/trace-cmd/trace-compress.c                | 797 ++++++++++++++
 lib/trace-cmd/trace-input.c                   | 999 ++++++++++++++----
 lib/trace-cmd/trace-output.c                  | 877 ++++++++++-----
 lib/trace-cmd/trace-util.c                    |  60 ++
 tracecmd/Makefile                             |   1 +
 tracecmd/include/trace-local.h                |   2 +
 tracecmd/trace-cmd.bash                       |  37 +
 tracecmd/trace-cmd.c                          |  12 +-
 tracecmd/trace-convert.c                      |  94 ++
 tracecmd/trace-dump.c                         | 162 ++-
 tracecmd/trace-list.c                         |  26 +
 tracecmd/trace-listen.c                       |   3 +
 tracecmd/trace-read.c                         |  14 +-
 tracecmd/trace-record.c                       |  48 +-
 tracecmd/trace-restore.c                      |   6 +-
 tracecmd/trace-split.c                        |   2 +-
 tracecmd/trace-stream.c                       |   2 +-
 tracecmd/trace-usage.c                        |  18 +
 27 files changed, 3076 insertions(+), 536 deletions(-)
 create mode 100644 Documentation/trace-cmd/trace-cmd-convert.1.txt
 create mode 100644 lib/trace-cmd/trace-compress-zlib.c
 create mode 100644 lib/trace-cmd/trace-compress.c
 create mode 100644 tracecmd/trace-convert.c

-- 
2.31.1


             reply	other threads:[~2021-06-14  7:50 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-14  7:49 Tzvetomir Stoyanov (VMware) [this message]
2021-06-14  7:49 ` [PATCH v6 01/45] trace-cmd library: Remove unused private APIs for creating trace files Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 02/45] trace-cmd library: Remove unused API tracecmd_update_option Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 03/45] trace-cmd: Check if file version is supported Tzvetomir Stoyanov (VMware)
2021-06-21 22:27   ` Steven Rostedt
2021-06-21 22:36     ` Steven Rostedt
2021-06-14  7:49 ` [PATCH v6 04/45] trace-cmd library: Add new API to get file version of input handler Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 05/45] trace-cmd library: Select the file version when writing trace file Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 06/45] trace-cmd: Add APIs for library initialization and free Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 07/45] trace-cmd library: Add support for compression algorithms Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 08/45] trace-cmd list: Show supported " Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 09/45] trace-cmd library: Bump the trace file version to 7 Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 10/45] trace-cmd library: Compress part of the trace file Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 11/45] trace-cmd library: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 12/45] trace-cmd library: Add new API to get compression of input handler Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 13/45] trace-cmd library: Inherit compression algorithm from input file Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 14/45] trace-cmd library: Extend the create file APIs to support different compression Tzvetomir Stoyanov (VMware)
2021-06-14  7:49 ` [PATCH v6 15/45] trace-cmd record: Add new parameter --compression Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 16/45] trace-cmd dump: Add support for trace files version 7 Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 17/45] trace-cmd library: Add support for zlib compression library Tzvetomir Stoyanov (VMware)
2021-06-22  1:26   ` Steven Rostedt
2021-06-22 10:29     ` Tzvetomir Stoyanov
2021-06-22 13:31       ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 18/45] trace-cmd library: Hide the logic for updating buffer offset Tzvetomir Stoyanov (VMware)
2021-06-22  2:10   ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 19/45] trace-cmd: Move buffers description outside of options Tzvetomir Stoyanov (VMware)
2021-06-21 23:07   ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 20/45] trace-cmd library: Track the offset in the option section in the trace file Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 21/45] trace-cmd library: Add compression of the option section of " Tzvetomir Stoyanov (VMware)
2021-06-21 23:10   ` Steven Rostedt
2021-06-22 10:43     ` Tzvetomir Stoyanov
2021-06-14  7:50 ` [PATCH v6 22/45] trace-cmd library: Refactor the logic for writing trace data in the file Tzvetomir Stoyanov (VMware)
2021-06-21 23:12   ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 23/45] trace-cmd library: Add APIs for read and write compressed data in chunks Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 24/45] trace-cmd: Compress trace data Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 25/45] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-21 23:23   ` Steven Rostedt
2021-06-22 10:50     ` Tzvetomir Stoyanov
2021-06-22 13:51       ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 26/45] trace-cmd library: Compress latency " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 27/45] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 28/45] trace-cmd library: Reuse within the library the function that checks file state Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 29/45] trace-cmd library: Make tracecmd_copy_headers() to work with output handler Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 30/45] trace-cmd: Do not use trace file compression with streams Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 31/45] trace-cmd library: Add new API to get file version of output handler Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 32/45] trace-cmd: Add file state parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 33/45] trace-cmd: Copy CPU count in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-21 23:27   ` Steven Rostedt
2021-06-14  7:50 ` [PATCH v6 34/45] trace-cmd: Copy buffers description " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 35/45] trace-cmd: Copy options " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 36/45] trace-cmd library: Refactor the logic for writing CPU trace data Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 37/45] trace-cmd library: Refactor the logic for writing CPU instance " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 38/45] trace-cmd: Copy trace data in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 39/45] trace-cmd: Add compression parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 40/45] trace-cmd: Add new command "trace-cmd convert" Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 41/45] trace-cmd record: Update man page Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 42/45] trace-cmd: Add convert " Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 43/45] trace-cmd: Update bash completion Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 44/45] trace-cmd list: Update the man page Tzvetomir Stoyanov (VMware)
2021-06-14  7:50 ` [PATCH v6 45/45] trace-cmd: Update trace.dat " Tzvetomir Stoyanov (VMware)
2021-06-22  0:37   ` Steven Rostedt
2021-06-22 11:05     ` Tzvetomir Stoyanov
2021-06-22 13:58       ` Steven Rostedt
2021-06-22  2:22 ` [PATCH v6 00/45] Add trace file compression Steven Rostedt

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