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capture: add simple mark support

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The goal here is to have an API that allows us to record things like
frame timing data. We might iterate on this API a bit, but this gets us
started.

A SpCaptureMark with a zero duration should be treated like an epoch mark
once a visualizer is created. SpCaptureMark with a non-zero duration should
be treated like a begin/end of operation. This may be useful in generating
something like a flame graph.
This commit is contained in:
Christian Hergert
2018-05-14 17:15:57 +01:00
parent e6d5d2b70d
commit 4bdbf130b2
8 changed files with 173 additions and 0 deletions
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14
tools/sysprof-dump.c
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@ -115,6 +115,20 @@ main (gint argc,
break;
}
case SP_CAPTURE_FRAME_MARK:
{
const SpCaptureMark *mark = sp_capture_reader_read_mark (reader);
g_print ("MARK: pid=%d time=%"G_GINT64_FORMAT"\n"
" name = %s\n"
" duration = %"G_GUINT64_FORMAT"\n"
" message = %s\n",
mark->frame.pid, mark->frame.time,
mark->name, mark->duration, mark->message);
break;
}
case SP_CAPTURE_FRAME_PROCESS:
{
const SpCaptureProcess *pr = sp_capture_reader_read_process (reader);