for example.
Trace2 is controlled using `trace2.*` config values in the system and
-global config files and `GIT_TR2*` environment variables. Trace2 does
+global config files and `GIT_TRACE2*` environment variables. Trace2 does
not read from repo local or worktree config files or respect `-c`
command line config settings.
For example
------------
-$ export GIT_TR2=~/log.normal
+$ export GIT_TRACE2=~/log.normal
$ git version
git version 2.20.1.155.g426c96fcdb
------------
The performance format target (PERF) is a column-based format to
replace GIT_TRACE_PERFORMANCE and is suitable for development and
testing, possibly to complement tools like gprof. This format is
-enabled with the `GIT_TR2_PERF` environment variable or the
+enabled with the `GIT_TRACE2_PERF` environment variable or the
`trace2.perfTarget` system or global config setting.
For example
------------
-$ export GIT_TR2_PERF=~/log.perf
+$ export GIT_TRACE2_PERF=~/log.perf
$ git version
git version 2.20.1.155.g426c96fcdb
------------
=== The Event Format Target
The event format target is a JSON-based format of event data suitable
-for telemetry analysis. This format is enabled with the `GIT_TR2_EVENT`
+for telemetry analysis. This format is enabled with the `GIT_TRACE2_EVENT`
environment variable or the `trace2.eventTarget` system or global config
setting.
For example
------------
-$ export GIT_TR2_EVENT=~/log.event
+$ export GIT_TRACE2_EVENT=~/log.event
$ git version
git version 2.20.1.155.g426c96fcdb
------------
Emits a "def_param" messages for "important" configuration
settings.
+
-The environment variable `GIT_TR2_CONFIG_PARAMS` or the `trace2.configParams`
+The environment variable `GIT_TRACE2_CONFIG_PARAMS` or the `trace2.configParams`
config value can be set to a
list of patterns of important configuration settings, for example:
`core.*,remote.*.url`. This function will iterate over all config
Note that this may contain embedded LF or CRLF characters that are
not escaped, so the event may spill across multiple lines.
-If `GIT_TR2_BRIEF` or `trace2.normalBrief` is true, the `time`, `filename`,
+If `GIT_TRACE2_BRIEF` or `trace2.normalBrief` is true, the `time`, `filename`,
and `line` fields are omitted.
This target is intended to be more of a summary (like GIT_TRACE) and
15:33:33.532712 wt-status.c:2331 | d0 | main | region_leave | r1 | 0.127568 | 0.001504 | status | label:print
------------
-If `GIT_TR2_PERF_BRIEF` or `trace2.perfBrief` is true, the `time`, `file`,
+If `GIT_TRACE2_PERF_BRIEF` or `trace2.perfBrief` is true, the `time`, `file`,
and `line` fields are omitted.
------------
`"repo":<repo-id>`::
when present, is the integer repo-id as described previously.
-If `GIT_TR2_EVENT_BRIEF` or `trace2.eventBrief` is true, the `file`
+If `GIT_TRACE2_EVENT_BRIEF` or `trace2.eventBrief` is true, the `file`
and `line` fields are omitted from all events and the `time` field is
only present on the "start" and "atexit" events.
"event":"signal",
...
"t_abs":0.001227, # elapsed time in seconds
- "signal":13 # SIGTERM, SIGINT, etc.
+ "signo":13 # SIGTERM, SIGINT, etc.
}
------------
The `category` field may be used in a future enhancement to
do category-based filtering.
+
-`GIT_TR2_EVENT_NESTING` or `trace2.eventNesting` can be used to
+`GIT_TRACE2_EVENT_NESTING` or `trace2.eventNesting` can be used to
filter deeply nested regions and data events. It defaults to "2".
`"region_leave"`::
5.199 seconds and of that 4.932 was in ssh.
+
----------------
-$ export GIT_TR2_BRIEF=1
-$ export GIT_TR2=~/log.normal
+$ export GIT_TRACE2_BRIEF=1
+$ export GIT_TRACE2=~/log.normal
$ git fetch origin
...
----------------
indented for clarity.)
+
----------------
-$ export GIT_TR2_BRIEF=1
-$ export GIT_TR2=~/log.normal
+$ export GIT_TRACE2_BRIEF=1
+$ export GIT_TRACE2=~/log.normal
$ git fetch origin
...
----------------
+0.027149 (since the process started) and took 0.014581 seconds.
+
----------------
-$ export GIT_TR2_PERF_BRIEF=1
-$ export GIT_TR2_PERF=~/log.perf
+$ export GIT_TRACE2_PERF_BRIEF=1
+$ export GIT_TRACE2_PERF=~/log.perf
$ git status
...
We can further investigate the time spent scanning for untracked files.
+
----------------
-$ export GIT_TR2_PERF_BRIEF=1
-$ export GIT_TR2_PERF=~/log.perf
+$ export GIT_TRACE2_PERF_BRIEF=1
+$ export GIT_TRACE2_PERF=~/log.perf
$ git status
...
$ cat ~/log.perf
This example shows that the index contained 3552 entries.
+
----------------
-$ export GIT_TR2_PERF_BRIEF=1
-$ export GIT_TR2_PERF=~/log.perf
+$ export GIT_TRACE2_PERF_BRIEF=1
+$ export GIT_TRACE2_PERF=~/log.perf
$ git status
...
$ cat ~/log.perf
to report the per-thread parameters.
+
----------------
-$ export GIT_TR2_PERF_BRIEF=1
-$ export GIT_TR2_PERF=~/log.perf
+$ export GIT_TRACE2_PERF_BRIEF=1
+$ export GIT_TRACE2_PERF=~/log.perf
$ git status
...
$ cat ~/log.perf