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libsysprof-analyze: add SysprofTimeSeries

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This includes a helper to generate timeseries items such as marks which
have a point in time and optionally a duration.

The TimeSpan has also been beefed up to gain a few operations that are
useful for implementing that.
This commit is contained in:
Christian Hergert
2023-06-16 13:07:40 -07:00
parent aa3aacc721
commit d752e2eec2
5 changed files with 313 additions and 0 deletions
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74
src/libsysprof-analyze/sysprof-time-series.h Normal file
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/* sysprof-time-series.h
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include <sysprof-capture.h>
#include <gio/gio.h>
#include "sysprof-time-span.h"
G_BEGIN_DECLS
#define SYSPROF_TYPE_TIME_SERIES (sysprof_time_series_get_type())
typedef struct _SysprofTimeSeries SysprofTimeSeries;
typedef struct _SysprofTimeSeriesValue SysprofTimeSeriesValue;
struct _SysprofTimeSeriesValue
{
/* Normalized begin/end value between 0..1 */
union {
float time[2];
struct {
float begin;
float end;
};
};
/* Index of SysprofDocumentFrame */
guint index;
};
SYSPROF_AVAILABLE_IN_ALL
GType sysprof_time_series_get_type (void) G_GNUC_CONST;
SYSPROF_AVAILABLE_IN_ALL
SysprofTimeSeries *sysprof_time_series_new (GListModel *model,
SysprofTimeSpan time_span);
SYSPROF_AVAILABLE_IN_ALL
SysprofTimeSeries *sysprof_time_series_ref (SysprofTimeSeries *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_time_series_unref (SysprofTimeSeries *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_time_series_add (SysprofTimeSeries *self,
SysprofTimeSpan time_span,
guint index);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_time_series_sort (SysprofTimeSeries *self);
SYSPROF_AVAILABLE_IN_ALL
GListModel *sysprof_time_series_get_model (SysprofTimeSeries *self);
SYSPROF_AVAILABLE_IN_ALL
const SysprofTimeSeriesValue *sysprof_time_series_get_values (const SysprofTimeSeries *self,
guint *n_values);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofTimeSeries, sysprof_time_series_unref)
G_END_DECLS