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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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7
lib/capture/sp-capture-writer.h
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@ -55,6 +55,13 @@ gboolean sp_capture_writer_add_map (SpCaptureWriter *
guint64 offset,
guint64 inode,
const gchar *filename);
gboolean sp_capture_writer_add_mark (SpCaptureWriter *self,
gint64 time,
gint cpu,
GPid pid,
guint64 duration,
const gchar *name,
const gchar *message);
guint64 sp_capture_writer_add_jitmap (SpCaptureWriter *self,
const gchar *name);
gboolean sp_capture_writer_add_process (SpCaptureWriter *self,