mirror of
https://github.com/varun-r-mallya/sysprof.git
synced 2025-12-31 20:36:25 +00:00
source tree cleanup
The lib/ directory was getting a bit out of hand, so this tries to organize things a bit so it is easier going forward to locate the code people want to patch.
This commit is contained in:
Christian Hergert
684
lib/visualizers/sp-line-visualizer-row.c
Normal file
684
lib/visualizers/sp-line-visualizer-row.c
Normal file
@ -0,0 +1,684 @@
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/* sp-line-visualizer-row.c
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*
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* Copyright (C) 2016 Christian Hergert <christian@hergert.me>
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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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#define G_LOG_DOMAIN "sp-line-visualizer-row"
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#include <stdlib.h>
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#include <string.h>
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#include "util/pointcache.h"
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#include "capture/sp-capture-condition.h"
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#include "capture/sp-capture-cursor.h"
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#include "visualizers/sp-line-visualizer-row.h"
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typedef struct
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{
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/*
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* Our reader as assigned by the visualizer system.
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*/
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SpCaptureReader *reader;
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/*
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* An array of LineInfo which contains information about the counters
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* we need to render.
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*/
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GArray *lines;
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/*
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* This is our set of cached points to render. Once it is assigned here,
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* it is immutable (and therefore may be shared with worker processes
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* that are rendering the points).
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*/
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PointCache *cache;
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/*
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* Child widget to display the label in the upper corner.
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*/
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GtkLabel *label;
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/*
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* Range of the scale for lower and upper.
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*/
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gdouble y_lower;
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gdouble y_upper;
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/*
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* If we have a new counter discovered or the reader is set, we might
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* want to delay loading until we return to the main loop. This can
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* help us avoid doing duplicate work.
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*/
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guint queued_load;
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} SpLineVisualizerRowPrivate;
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typedef struct
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{
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guint id;
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gdouble line_width;
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GdkRGBA background;
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GdkRGBA foreground;
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guint use_default_style : 1;
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guint fill : 1;
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} LineInfo;
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typedef struct
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{
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SpCaptureCursor *cursor;
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GArray *lines;
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PointCache *cache;
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gint64 begin_time;
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gint64 end_time;
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gdouble y_lower;
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gdouble y_upper;
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} LoadData;
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G_DEFINE_TYPE_WITH_PRIVATE (SpLineVisualizerRow, sp_line_visualizer_row, SP_TYPE_VISUALIZER_ROW)
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static void sp_line_visualizer_row_load_data_async (SpLineVisualizerRow *self,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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static PointCache *sp_line_visualizer_row_load_data_finish (SpLineVisualizerRow *self,
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GAsyncResult *result,
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GError **error);
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enum {
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PROP_0,
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PROP_TITLE,
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PROP_Y_LOWER,
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PROP_Y_UPPER,
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N_PROPS
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};
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static GParamSpec *properties [N_PROPS];
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static void
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load_data_free (gpointer data)
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{
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LoadData *load = data;
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if (load != NULL)
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{
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g_clear_pointer (&load->lines, g_array_unref);
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g_clear_object (&load->cursor);
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g_clear_pointer (&load->cache, point_cache_unref);
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g_slice_free (LoadData, load);
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}
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}
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static GArray *
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copy_array (GArray *ar)
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{
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GArray *ret;
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ret = g_array_sized_new (FALSE, FALSE, g_array_get_element_size (ar), ar->len);
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g_array_set_size (ret, ar->len);
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memcpy (ret->data, ar->data, ar->len * g_array_get_element_size (ret));
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return ret;
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}
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static gboolean
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sp_line_visualizer_row_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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SpLineVisualizerRow *self = (SpLineVisualizerRow *)widget;
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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GtkStyleContext *style_context;
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GtkStateFlags flags;
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GtkAllocation alloc;
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GdkRGBA foreground;
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gboolean ret;
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g_assert (SP_IS_LINE_VISUALIZER_ROW (widget));
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g_assert (cr != NULL);
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gtk_widget_get_allocation (widget, &alloc);
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ret = GTK_WIDGET_CLASS (sp_line_visualizer_row_parent_class)->draw (widget, cr);
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if (priv->cache == NULL)
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return ret;
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style_context = gtk_widget_get_style_context (widget);
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flags = gtk_widget_get_state_flags (widget);
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gtk_style_context_get_color (style_context, flags, &foreground);
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for (guint line = 0; line < priv->lines->len; line++)
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{
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g_autofree SpVisualizerRowAbsolutePoint *points = NULL;
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const LineInfo *line_info = &g_array_index (priv->lines, LineInfo, line);
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const Point *fpoints;
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guint n_fpoints = 0;
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GdkRGBA color;
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fpoints = point_cache_get_points (priv->cache, line_info->id, &n_fpoints);
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if (n_fpoints > 0)
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{
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gfloat last_x;
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gfloat last_y;
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points = g_new0 (SpVisualizerRowAbsolutePoint, n_fpoints);
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sp_visualizer_row_translate_points (SP_VISUALIZER_ROW (self),
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(const SpVisualizerRowRelativePoint *)fpoints,
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n_fpoints,
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points,
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n_fpoints);
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last_x = points[0].x;
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last_y = points[0].y;
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if (line_info->fill)
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{
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cairo_move_to (cr, last_x, alloc.height);
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cairo_line_to (cr, last_x, last_y);
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}
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else
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{
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cairo_move_to (cr, last_x, last_y);
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}
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for (guint i = 1; i < n_fpoints; i++)
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{
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cairo_curve_to (cr,
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last_x + ((points[i].x - last_x) / 2),
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last_y,
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last_x + ((points[i].x - last_x) / 2),
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points[i].y,
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points[i].x,
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points[i].y);
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last_x = points[i].x;
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last_y = points[i].y;
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}
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if (line_info->fill)
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{
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cairo_line_to (cr, last_x, alloc.height);
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cairo_close_path (cr);
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}
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cairo_set_line_width (cr, line_info->line_width);
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if (line_info->use_default_style)
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color = foreground;
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else
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color = line_info->foreground;
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gdk_cairo_set_source_rgba (cr, &color);
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if (line_info->fill)
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cairo_fill (cr);
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else
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cairo_stroke (cr);
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}
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}
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return ret;
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}
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static void
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sp_line_visualizer_row_load_data_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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SpLineVisualizerRow *self = (SpLineVisualizerRow *)object;
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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g_autoptr(GError) error = NULL;
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g_autoptr(PointCache) cache = NULL;
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g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
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cache = sp_line_visualizer_row_load_data_finish (self, result, &error);
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if (cache == NULL)
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{
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g_warning ("%s", error->message);
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return;
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}
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g_clear_pointer (&priv->cache, point_cache_unref);
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priv->cache = g_steal_pointer (&cache);
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gtk_widget_queue_draw (GTK_WIDGET (self));
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}
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static gboolean
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sp_line_visualizer_row_do_reload (gpointer data)
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{
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SpLineVisualizerRow *self = data;
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
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priv->queued_load = 0;
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if (priv->reader != NULL)
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{
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sp_line_visualizer_row_load_data_async (self,
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NULL,
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sp_line_visualizer_row_load_data_cb,
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NULL);
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}
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return G_SOURCE_REMOVE;
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}
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static void
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sp_line_visualizer_row_queue_reload (SpLineVisualizerRow *self)
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{
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
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if (priv->queued_load == 0)
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{
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priv->queued_load = gdk_threads_add_idle_full (G_PRIORITY_LOW,
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sp_line_visualizer_row_do_reload,
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self,
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NULL);
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}
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}
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static void
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sp_line_visualizer_row_set_reader (SpVisualizerRow *row,
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SpCaptureReader *reader)
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{
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SpLineVisualizerRow *self = (SpLineVisualizerRow *)row;
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
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if (priv->reader != reader)
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{
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if (priv->reader != NULL)
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{
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sp_capture_reader_unref (priv->reader);
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priv->reader = NULL;
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}
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if (reader != NULL)
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priv->reader = sp_capture_reader_ref (reader);
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sp_line_visualizer_row_queue_reload (self);
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}
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}
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static void
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sp_line_visualizer_row_finalize (GObject *object)
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{
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SpLineVisualizerRow *self = (SpLineVisualizerRow *)object;
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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g_clear_pointer (&priv->lines, g_array_unref);
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g_clear_pointer (&priv->cache, point_cache_unref);
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g_clear_pointer (&priv->reader, sp_capture_reader_unref);
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if (priv->queued_load != 0)
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{
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g_source_remove (priv->queued_load);
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priv->queued_load = 0;
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}
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G_OBJECT_CLASS (sp_line_visualizer_row_parent_class)->finalize (object);
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}
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static void
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sp_line_visualizer_row_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
|
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{
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SpLineVisualizerRow *self = SP_LINE_VISUALIZER_ROW (object);
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SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
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switch (prop_id)
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{
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case PROP_TITLE:
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g_object_get_property (G_OBJECT (priv->label), "label", value);
|
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break;
|
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case PROP_Y_LOWER:
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g_value_set_double (value, priv->y_lower);
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break;
|
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|
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case PROP_Y_UPPER:
|
||||
g_value_set_double (value, priv->y_upper);
|
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break;
|
||||
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
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sp_line_visualizer_row_set_property (GObject *object,
|
||||
guint prop_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
SpLineVisualizerRow *self = SP_LINE_VISUALIZER_ROW (object);
|
||||
SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
|
||||
|
||||
switch (prop_id)
|
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{
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||||
case PROP_TITLE:
|
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g_object_set_property (G_OBJECT (priv->label), "label", value);
|
||||
break;
|
||||
|
||||
case PROP_Y_LOWER:
|
||||
priv->y_lower = g_value_get_double (value);
|
||||
gtk_widget_queue_resize (GTK_WIDGET (self));
|
||||
break;
|
||||
|
||||
case PROP_Y_UPPER:
|
||||
priv->y_upper = g_value_get_double (value);
|
||||
gtk_widget_queue_resize (GTK_WIDGET (self));
|
||||
break;
|
||||
|
||||
default:
|
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
sp_line_visualizer_row_class_init (SpLineVisualizerRowClass *klass)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
SpVisualizerRowClass *visualizer_class = SP_VISUALIZER_ROW_CLASS (klass);
|
||||
|
||||
object_class->finalize = sp_line_visualizer_row_finalize;
|
||||
object_class->get_property = sp_line_visualizer_row_get_property;
|
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object_class->set_property = sp_line_visualizer_row_set_property;
|
||||
|
||||
widget_class->draw = sp_line_visualizer_row_draw;
|
||||
|
||||
visualizer_class->set_reader = sp_line_visualizer_row_set_reader;
|
||||
|
||||
properties [PROP_TITLE] =
|
||||
g_param_spec_string ("title",
|
||||
"Title",
|
||||
"The title of the row",
|
||||
NULL,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
properties [PROP_Y_LOWER] =
|
||||
g_param_spec_double ("y-lower",
|
||||
"Y Lower",
|
||||
"The lowest Y value for the visualizer",
|
||||
-G_MAXDOUBLE,
|
||||
G_MAXDOUBLE,
|
||||
0.0,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
properties [PROP_Y_UPPER] =
|
||||
g_param_spec_double ("y-upper",
|
||||
"Y Upper",
|
||||
"The highest Y value for the visualizer",
|
||||
-G_MAXDOUBLE,
|
||||
G_MAXDOUBLE,
|
||||
100.0,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
g_object_class_install_properties (object_class, N_PROPS, properties);
|
||||
}
|
||||
|
||||
static void
|
||||
sp_line_visualizer_row_init (SpLineVisualizerRow *self)
|
||||
{
|
||||
SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
|
||||
PangoAttrList *attrs = pango_attr_list_new ();
|
||||
|
||||
priv->lines = g_array_new (FALSE, FALSE, sizeof (LineInfo));
|
||||
|
||||
pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_SMALL * PANGO_SCALE_SMALL));
|
||||
|
||||
priv->label = g_object_new (GTK_TYPE_LABEL,
|
||||
"attributes", attrs,
|
||||
"visible", TRUE,
|
||||
"xalign", 0.0f,
|
||||
"yalign", 0.0f,
|
||||
NULL);
|
||||
gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (priv->label));
|
||||
|
||||
pango_attr_list_unref (attrs);
|
||||
}
|
||||
|
||||
void
|
||||
sp_line_visualizer_row_add_counter (SpLineVisualizerRow *self,
|
||||
guint counter_id,
|
||||
const GdkRGBA *color)
|
||||
{
|
||||
SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
|
||||
LineInfo line_info = { 0 };
|
||||
|
||||
g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
|
||||
g_assert (priv->lines != NULL);
|
||||
|
||||
line_info.id = counter_id;
|
||||
line_info.line_width = 1.0;
|
||||
|
||||
if (color != NULL)
|
||||
{
|
||||
line_info.foreground = *color;
|
||||
line_info.use_default_style = FALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
line_info.use_default_style = TRUE;
|
||||
}
|
||||
|
||||
g_array_append_val (priv->lines, line_info);
|
||||
|
||||
if (SP_LINE_VISUALIZER_ROW_GET_CLASS (self)->counter_added)
|
||||
SP_LINE_VISUALIZER_ROW_GET_CLASS (self)->counter_added (self, counter_id);
|
||||
|
||||
sp_line_visualizer_row_queue_reload (self);
|
||||
}
|
||||
|
||||
void
|
||||
sp_line_visualizer_row_clear (SpLineVisualizerRow *self)
|
||||
{
|
||||
SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
|
||||
|
||||
g_return_if_fail (SP_IS_LINE_VISUALIZER_ROW (self));
|
||||
|
||||
if (priv->lines->len > 0)
|
||||
g_array_remove_range (priv->lines, 0, priv->lines->len);
|
||||
|
||||
gtk_widget_queue_draw (GTK_WIDGET (self));
|
||||
}
|
||||
|
||||
static inline gboolean
|
||||
contains_id (GArray *ar,
|
||||
guint id)
|
||||
{
|
||||
for (guint i = 0; i < ar->len; i++)
|
||||
{
|
||||
const LineInfo *info = &g_array_index (ar, LineInfo, i);
|
||||
if (info->id == id)
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static inline guint8
|
||||
counter_type (LoadData *load,
|
||||
guint counter_id)
|
||||
{
|
||||
/* TODO: Support other counter types
|
||||
*
|
||||
* We need to keep some information on the counter (by id) so that we
|
||||
* can track the counters type (which is a 1-byte type id).
|
||||
*/
|
||||
return SP_CAPTURE_COUNTER_DOUBLE;
|
||||
}
|
||||
|
||||
static inline gfloat
|
||||
calc_x (gint64 lower,
|
||||
gint64 upper,
|
||||
gint64 value)
|
||||
{
|
||||
return (gdouble)(value - lower) / (gdouble)(upper - lower);
|
||||
}
|
||||
|
||||
static inline gfloat
|
||||
calc_y_double (gdouble lower,
|
||||
gdouble upper,
|
||||
gdouble value)
|
||||
{
|
||||
return (value - lower) / (upper - lower);
|
||||
}
|
||||
|
||||
static inline gfloat
|
||||
calc_y_int64 (gint64 lower,
|
||||
gint64 upper,
|
||||
gint64 value)
|
||||
{
|
||||
return (gdouble)(value - lower) / (gdouble)(upper - lower);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
sp_line_visualizer_row_load_data_frame_cb (const SpCaptureFrame *frame,
|
||||
gpointer user_data)
|
||||
{
|
||||
LoadData *load = user_data;
|
||||
|
||||
g_assert (frame != NULL);
|
||||
g_assert (frame->type == SP_CAPTURE_FRAME_CTRSET ||
|
||||
frame->type == SP_CAPTURE_FRAME_CTRDEF);
|
||||
g_assert (load != NULL);
|
||||
|
||||
if (frame->type == SP_CAPTURE_FRAME_CTRSET)
|
||||
{
|
||||
const SpCaptureFrameCounterSet *set = (SpCaptureFrameCounterSet *)frame;
|
||||
gfloat x = calc_x (load->begin_time, load->end_time, frame->time);
|
||||
|
||||
for (guint i = 0; i < set->n_values; i++)
|
||||
{
|
||||
const SpCaptureCounterValues *group = &set->values[i];
|
||||
|
||||
for (guint j = 0; j < G_N_ELEMENTS (group->ids); j++)
|
||||
{
|
||||
guint counter_id = group->ids[j];
|
||||
|
||||
if (counter_id != 0 && contains_id (load->lines, counter_id))
|
||||
{
|
||||
gfloat y;
|
||||
|
||||
if (counter_type (load, counter_id) == SP_CAPTURE_COUNTER_DOUBLE)
|
||||
y = calc_y_double (load->y_lower, load->y_upper, group->values[j].vdbl);
|
||||
else
|
||||
y = calc_y_int64 (load->y_lower, load->y_upper, group->values[j].v64);
|
||||
|
||||
point_cache_add_point_to_set (load->cache, counter_id, x, y);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
sp_line_visualizer_row_load_data_worker (GTask *task,
|
||||
gpointer source_object,
|
||||
gpointer task_data,
|
||||
GCancellable *cancellable)
|
||||
{
|
||||
LoadData *load = task_data;
|
||||
g_autoptr(GArray) counter_ids = NULL;
|
||||
|
||||
g_assert (G_IS_TASK (task));
|
||||
g_assert (SP_IS_LINE_VISUALIZER_ROW (source_object));
|
||||
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
|
||||
|
||||
counter_ids = g_array_new (FALSE, FALSE, sizeof (guint));
|
||||
|
||||
for (guint i = 0; i < load->lines->len; i++)
|
||||
{
|
||||
const LineInfo *line_info = &g_array_index (load->lines, LineInfo, i);
|
||||
g_array_append_val (counter_ids, line_info->id);
|
||||
}
|
||||
|
||||
sp_capture_cursor_add_condition (
|
||||
load->cursor,
|
||||
sp_capture_condition_new_where_counter_in (counter_ids->len,
|
||||
(guint *)(gpointer)counter_ids->data));
|
||||
sp_capture_cursor_foreach (load->cursor, sp_line_visualizer_row_load_data_frame_cb, load);
|
||||
g_task_return_pointer (task, g_steal_pointer (&load->cache), (GDestroyNotify)point_cache_unref);
|
||||
}
|
||||
|
||||
static void
|
||||
sp_line_visualizer_row_load_data_async (SpLineVisualizerRow *self,
|
||||
GCancellable *cancellable,
|
||||
GAsyncReadyCallback callback,
|
||||
gpointer user_data)
|
||||
{
|
||||
SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
|
||||
g_autoptr(GTask) task = NULL;
|
||||
LoadData *load;
|
||||
|
||||
g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
|
||||
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
|
||||
|
||||
task = g_task_new (self, cancellable, callback, user_data);
|
||||
g_task_set_priority (task, G_PRIORITY_LOW);
|
||||
g_task_set_source_tag (task, sp_line_visualizer_row_load_data_async);
|
||||
|
||||
if (priv->reader == NULL)
|
||||
{
|
||||
g_task_return_new_error (task,
|
||||
G_IO_ERROR,
|
||||
G_IO_ERROR_FAILED,
|
||||
"No data loaded");
|
||||
return;
|
||||
}
|
||||
|
||||
load = g_slice_new0 (LoadData);
|
||||
load->cache = point_cache_new ();
|
||||
load->y_lower = priv->y_lower;
|
||||
load->y_upper = priv->y_upper;
|
||||
load->begin_time = sp_capture_reader_get_start_time (priv->reader);
|
||||
load->end_time = sp_capture_reader_get_end_time (priv->reader);
|
||||
load->cursor = sp_capture_cursor_new (priv->reader);
|
||||
load->lines = copy_array (priv->lines);
|
||||
|
||||
for (guint i = 0; i < load->lines->len; i++)
|
||||
{
|
||||
const LineInfo *line_info = &g_array_index (load->lines, LineInfo, i);
|
||||
|
||||
point_cache_add_set (load->cache, line_info->id);
|
||||
}
|
||||
|
||||
g_task_set_task_data (task, load, load_data_free);
|
||||
g_task_run_in_thread (task, sp_line_visualizer_row_load_data_worker);
|
||||
}
|
||||
|
||||
static PointCache *
|
||||
sp_line_visualizer_row_load_data_finish (SpLineVisualizerRow *self,
|
||||
GAsyncResult *result,
|
||||
GError **error)
|
||||
{
|
||||
g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
|
||||
g_assert (G_IS_TASK (result));
|
||||
|
||||
return g_task_propagate_pointer (G_TASK (result), error);
|
||||
}
|
||||
Reference in New Issue
Block a user