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https://github.com/varun-r-mallya/sysprof.git
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4bdbf130b2
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.
74 lines
4.5 KiB
C
74 lines
4.5 KiB
C
/* sp-capture-reader.h
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*
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* Copyright © 2016 Christian Hergert <chergert@redhat.com>
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*
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* This file is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SP_CAPTURE_READER_H
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#define SP_CAPTURE_READER_H
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#include "capture/sp-capture-types.h"
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G_BEGIN_DECLS
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typedef struct _SpCaptureReader SpCaptureReader;
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SpCaptureReader *sp_capture_reader_new (const gchar *filename,
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GError **error);
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SpCaptureReader *sp_capture_reader_new_from_fd (int fd,
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GError **error);
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SpCaptureReader *sp_capture_reader_copy (SpCaptureReader *self);
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SpCaptureReader *sp_capture_reader_ref (SpCaptureReader *self);
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void sp_capture_reader_unref (SpCaptureReader *self);
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const gchar *sp_capture_reader_get_filename (SpCaptureReader *self);
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const gchar *sp_capture_reader_get_time (SpCaptureReader *self);
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gint64 sp_capture_reader_get_start_time (SpCaptureReader *self);
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gint64 sp_capture_reader_get_end_time (SpCaptureReader *self);
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gboolean sp_capture_reader_skip (SpCaptureReader *self);
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gboolean sp_capture_reader_peek_type (SpCaptureReader *self,
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SpCaptureFrameType *type);
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gboolean sp_capture_reader_peek_frame (SpCaptureReader *self,
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SpCaptureFrame *frame);
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const SpCaptureMap *sp_capture_reader_read_map (SpCaptureReader *self);
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const SpCaptureMark *sp_capture_reader_read_mark (SpCaptureReader *self);
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const SpCaptureExit *sp_capture_reader_read_exit (SpCaptureReader *self);
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const SpCaptureFork *sp_capture_reader_read_fork (SpCaptureReader *self);
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const SpCaptureTimestamp *sp_capture_reader_read_timestamp (SpCaptureReader *self);
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const SpCaptureProcess *sp_capture_reader_read_process (SpCaptureReader *self);
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const SpCaptureSample *sp_capture_reader_read_sample (SpCaptureReader *self);
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GHashTable *sp_capture_reader_read_jitmap (SpCaptureReader *self);
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const SpCaptureFrameCounterDefine *sp_capture_reader_read_counter_define (SpCaptureReader *self);
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const SpCaptureFrameCounterSet *sp_capture_reader_read_counter_set (SpCaptureReader *self);
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gboolean sp_capture_reader_reset (SpCaptureReader *self);
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gboolean sp_capture_reader_splice (SpCaptureReader *self,
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SpCaptureWriter *dest,
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GError **error);
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gboolean sp_capture_reader_save_as (SpCaptureReader *self,
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const gchar *filename,
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GError **error);
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#ifndef SP_DISABLE_GOBJECT
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# define SP_TYPE_CAPTURE_READER (sp_capture_reader_get_type())
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GType sp_capture_reader_get_type (void);
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#endif
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#if GLIB_CHECK_VERSION(2, 44, 0)
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (SpCaptureReader, sp_capture_reader_unref)
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#endif
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G_END_DECLS
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#endif /* SP_CAPTURE_READER_H */
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