[v2,0/7] trace-cmd: split: Handle splitting files with multiple instances

Message

Pierre Gondois Jan. 22, 2024, 4:43 p.m. UTC

V2:
- Add 'trace-cmd split: Enable support for buffer selection' to
  handle instance selection with the 'trace-cmd' split command.
- Rename patches as 'trace-cmd: split' -> 'trace-cmd split'.
- Correctly free allocated memory in different lists.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=218357

Splitting trace files having multiple buffer instances discards
side-buffers . I.e., only the main buffer is preserved in the
resulting split trace files. This patch-set intends to fix this.

As a continuation of the bugzilla, support to allow selecting
buffer instances is added to the 'trace-cmd split' command [1].
This support implies adding new '-B/--top' parameters.

Also:
- Fix a side issue preventing to provide start/end timestamps
  along with a time-window parameters.
- Update trace-cmd split usage

[1] https://lore.kernel.org/all/[e-mail]/

Pierre Gondois (7):
  trace-cmd split: Small fixes
  trace-cmd split: Correctly split with start/end/time-window parameters
  trace-cmd split: Store instances in local list
  trace-cmd split: Add functions to generate temp files
  trace-cmd split: Handle splitting files with multiple instances
  trace-cmd split: Enable support for buffer selection
  trace-cmd split: Update usage

 tracecmd/trace-split.c | 517 +++++++++++++++++++++++++++++++++--------
 tracecmd/trace-usage.c |   9 +-
 2 files changed, 434 insertions(+), 92 deletions(-)