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trace2: increment event format version 

In 64bc752 (trace2: add trace2_child_ready() to report on background
children, 2021-09-20), we added a new "child_ready" event. In
Documentation/technical/api-trace2.txt, we promise that adding a new
event type will result in incrementing the trace2 event format version
number, but this was not done. Correct this in code & docs.

Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Josh Steadmon 2021-11-11 14:34:25 -08:00 committed by Junio C Hamano
parent 05881a6fc9
commit 04480e67fe
2 changed files with 3 additions and 3 deletions
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4
Documentation/technical/api-trace2.txt
View File

@ -128,7 +128,7 @@ yields
------------
$ cat ~/log.event
{"event":"version","sid":"sid":"20190408T191610.507018Z-H9b68c35f-P000059a8","thread":"main","time":"2019-01-16T17:28:42.620713Z","file":"common-main.c","line":38,"evt":"2","exe":"2.20.1.155.g426c96fcdb"}
{"event":"version","sid":"sid":"20190408T191610.507018Z-H9b68c35f-P000059a8","thread":"main","time":"2019-01-16T17:28:42.620713Z","file":"common-main.c","line":38,"evt":"3","exe":"2.20.1.155.g426c96fcdb"}
{"event":"start","sid":"20190408T191610.507018Z-H9b68c35f-P000059a8","thread":"main","time":"2019-01-16T17:28:42.621027Z","file":"common-main.c","line":39,"t_abs":0.001173,"argv":["git","version"]}
{"event":"cmd_name","sid":"20190408T191610.507018Z-H9b68c35f-P000059a8","thread":"main","time":"2019-01-16T17:28:42.621122Z","file":"git.c","line":432,"name":"version","hierarchy":"version"}
{"event":"exit","sid":"20190408T191610.507018Z-H9b68c35f-P000059a8","thread":"main","time":"2019-01-16T17:28:42.621236Z","file":"git.c","line":662,"t_abs":0.001227,"code":0}
@ -391,7 +391,7 @@ only present on the "start" and "atexit" events.
{
"event":"version",
...
"evt":"2", # EVENT format version
"evt":"3", # EVENT format version
"exe":"2.20.1.155.g426c96fcdb" # git version
}
------------

2
trace2/tr2_tgt_event.c
View File

@ -20,7 +20,7 @@ static struct tr2_dst tr2dst_event = { TR2_SYSENV_EVENT, 0, 0, 0, 0 };
* a new field to an existing event, do not require an increment to the EVENT
* format version.
*/
#define TR2_EVENT_VERSION "2"
#define TR2_EVENT_VERSION "3"
/*
* Region nesting limit for messages written to the event target.