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https://github.com/varun-r-mallya/sysprof.git
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120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/* sysprof-counter-track.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include "sysprof-counter-track-private.h"
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#include "sysprof-chart.h"
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#include "sysprof-line-layer.h"
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#include "sysprof-value-axis.h"
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#include "sysprof-xy-series.h"
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struct _SysprofCounterTrack
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{
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SysprofTrack parent_instance;
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SysprofDocumentCounter *counter;
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};
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G_DEFINE_FINAL_TYPE (SysprofCounterTrack, sysprof_counter_track, SYSPROF_TYPE_TRACK)
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static GtkWidget *
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sysprof_counter_track_create_chart (SysprofTrack *track)
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{
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SysprofCounterTrack *self = (SysprofCounterTrack *)track;
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SysprofSession *session = NULL;
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g_autoptr(SysprofSeries) xy_series = NULL;
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g_autoptr(SysprofAxis) x_axis = NULL;
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g_autoptr(SysprofAxis) y_axis = NULL;
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SysprofChartLayer *layer;
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SysprofChart *chart;
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g_assert (SYSPROF_IS_COUNTER_TRACK (self));
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if (!(session = sysprof_track_get_session (track)))
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return NULL;
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x_axis = sysprof_session_get_visible_time_axis (session);
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y_axis = sysprof_value_axis_new (sysprof_document_counter_get_min_value (self->counter),
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sysprof_document_counter_get_max_value (self->counter));
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xy_series = sysprof_xy_series_new (sysprof_track_get_title (track),
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G_LIST_MODEL (self->counter),
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gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_COUNTER_VALUE, NULL, "time"),
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gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_COUNTER_VALUE, NULL, "value-double"));
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chart = g_object_new (SYSPROF_TYPE_CHART, NULL);
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layer = g_object_new (SYSPROF_TYPE_LINE_LAYER,
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"spline", TRUE,
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"series", xy_series,
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"x-axis", x_axis,
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"y-axis", y_axis,
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NULL);
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sysprof_chart_add_layer (chart, layer);
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return GTK_WIDGET (chart);
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}
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static void
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sysprof_counter_track_dispose (GObject *object)
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{
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SysprofCounterTrack *self = (SysprofCounterTrack *)object;
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g_clear_object (&self->counter);
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G_OBJECT_CLASS (sysprof_counter_track_parent_class)->dispose (object);
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}
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static void
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sysprof_counter_track_class_init (SysprofCounterTrackClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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SysprofTrackClass *track_class = SYSPROF_TRACK_CLASS (klass);
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object_class->dispose = sysprof_counter_track_dispose;
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track_class->create_chart = sysprof_counter_track_create_chart;
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}
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static void
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sysprof_counter_track_init (SysprofCounterTrack *self)
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{
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}
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SysprofTrack *
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sysprof_counter_track_new (SysprofSession *session,
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const char *title,
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SysprofDocumentCounter *counter)
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{
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SysprofCounterTrack *self;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_COUNTER (counter), NULL);
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if (title == NULL)
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title = sysprof_document_counter_get_name (counter);
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self = g_object_new (SYSPROF_TYPE_COUNTER_TRACK,
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"session", session,
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"title", title,
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NULL);
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self->counter = g_object_ref (counter);
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return SYSPROF_TRACK (self);
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}
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