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| author | Jeff Hostetler <jeffhost@microsoft.com> | 2019-04-15 20:39:43 (GMT) |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2019-04-16 04:37:06 (GMT) |
| commit | a089724958a99924d9ec7ff60a6aea63d03448f2 (patch) | |
| tree | f1064e35b8f752995f275c0c78fb642228d95857 /Documentation | |
| parent | 1703751f21d286b383c198157a1342c35ebc11b7 (diff) | |
| download | git-a089724958a99924d9ec7ff60a6aea63d03448f2.zip git-a089724958a99924d9ec7ff60a6aea63d03448f2.tar.gz git-a089724958a99924d9ec7ff60a6aea63d03448f2.tar.bz2 | |
trace2: refactor setting process starting time
Create trace2_initialize_clock() and call from main() to capture
process start time in isolation and before other sub-systems are
ready.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/technical/api-trace2.txt | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/technical/api-trace2.txt b/Documentation/technical/api-trace2.txt index 2de565f..f37fccf 100644 --- a/Documentation/technical/api-trace2.txt +++ b/Documentation/technical/api-trace2.txt @@ -160,17 +160,23 @@ purposes. These are concerned with the lifetime of the overall git process. +`void trace2_initialize_clock()`:: + + Initialize the Trace2 start clock and nothing else. This should + be called at the very top of main() to capture the process start + time and reduce startup order dependencies. + `void trace2_initialize()`:: Determines if any Trace2 Targets should be enabled and - initializes the Trace2 facility. This includes starting the - elapsed time clocks and thread local storage (TLS). + initializes the Trace2 facility. This includes setting up the + Trace2 thread local storage (TLS). + This function emits a "version" message containing the version of git and the Trace2 protocol. + This function should be called from `main()` as early as possible in -the life of the process. +the life of the process after essential process initialization. `int trace2_is_enabled()`:: |