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libsysprof-analyze: track relative offset for frame

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This is handy so that we don't have to keep multiple objects around to
handle this request. Otherwise we'd need to keep references to the
document and that is a bit annoying.

This of course has a limit of about an hour (in tv_nsec), but that is
far longer than we can realistically record anyway.
This commit is contained in:
Christian Hergert
2023-06-12 15:41:29 -07:00
parent 0529cfb2f0
commit 63b42c2319
4 changed files with 34 additions and 7 deletions
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4
src/libsysprof-analyze/sysprof-document-frame-private.h
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@ -34,6 +34,7 @@ struct _SysprofDocumentFrame
guint32 frame_len : 16;
guint32 needs_swap : 1;
guint32 padding : 15;
guint32 time_offset;
};
struct _SysprofDocumentFrameClass
@ -44,7 +45,8 @@ struct _SysprofDocumentFrameClass
SysprofDocumentFrame *_sysprof_document_frame_new (GMappedFile *mapped,
const SysprofCaptureFrame *frame,
guint16 frame_len,
gboolean needs_swap);
gboolean needs_swap,
gint64 clock_at_start);
#define SYSPROF_DOCUMENT_FRAME_ENDPTR(obj) \
(&((const guint8 *)SYSPROF_DOCUMENT_FRAME(obj)->frame)[SYSPROF_DOCUMENT_FRAME(obj)->frame_len])