tree 8fb2f9fe292ba2463c4eb77108701ced5cbf1d78
parent 35c0f029b35ab92e13d79bbca87e2f26acc2c4ed
author Yvonne Yip <ykyyip@google.com> 1674158106 +0000
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1674158106 +0000

pw_trace_tokenized: Allow event callback to modify event

Change the event callback API to accept a pointer to
pw_trace_tokenized_TraceEvent, and move the event callback to before
inserting in the queue. This allows the platform to implement a callback
to modify run-time fields in the trace event.

Add example where the callback modifies the trace_id field to store the
Linux info, used for auto grouping trace events by tid.

Change-Id: Ib8dd8f69bf70e37c3bd53d69a2be1aec127cf7c4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/126310
Reviewed-by: Rob Oliver <rgoliver@google.com>
Commit-Queue: Yvonne Yip <ykyyip@google.com>
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Pigweed-Auto-Submit: Yvonne Yip <ykyyip@google.com>