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https://github.com/varun-r-mallya/sysprof.git
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tools: start on callgraph example using columnview
This just serves as a prototyping ground so that we can have a callgraph view widget in the future based on these principles. It also shows some areas that still need work, such as sorting within the tree and fixing the text offset calculation for ELF symbols.
This commit is contained in:
Christian Hergert
357
src/tools/callgraph.c
Normal file
357
src/tools/callgraph.c
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@ -0,0 +1,357 @@
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/* callgraph.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 <gtk/gtk.h>
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#include <sysprof-analyze.h>
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static GMainLoop *main_loop;
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static char *kallsyms_path;
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static char *filename;
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static double total;
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static const GOptionEntry entries[] = {
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{ "kallsyms", 'k', 0, G_OPTION_ARG_FILENAME, &kallsyms_path, "The path to kallsyms to use for decoding", "PATH" },
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{ 0 }
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};
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typedef struct _Augment
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{
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guint32 size;
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guint32 total;
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} Augment;
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static void
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function_setup (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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SysprofCallgraph *callgraph)
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{
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GtkWidget *expander;
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GtkWidget *text;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
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expander = gtk_tree_expander_new ();
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text = g_object_new (GTK_TYPE_INSCRIPTION,
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"hexpand", TRUE,
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NULL);
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gtk_tree_expander_set_child (GTK_TREE_EXPANDER (expander), text);
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gtk_list_item_set_child (list_item, expander);
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}
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static void
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function_bind (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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SysprofCallgraph *callgraph)
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{
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SysprofCallgraphFrame *frame;
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GtkTreeListRow *row;
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SysprofSymbol *symbol;
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const char *name;
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GtkWidget *expander;
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GtkWidget *text;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
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row = gtk_list_item_get_item (list_item);
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frame = gtk_tree_list_row_get_item (row);
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symbol = sysprof_callgraph_frame_get_symbol (frame);
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name = sysprof_symbol_get_name (symbol);
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expander = gtk_list_item_get_child (list_item);
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text = gtk_tree_expander_get_child (GTK_TREE_EXPANDER (expander));
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gtk_tree_expander_set_list_row (GTK_TREE_EXPANDER (expander), row);
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gtk_inscription_set_text (GTK_INSCRIPTION (text), name);
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}
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static void
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total_setup (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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SysprofCallgraph *callgraph)
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{
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GtkWidget *child;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
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child = g_object_new (GTK_TYPE_PROGRESS_BAR,
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"show-text", TRUE,
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NULL);
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gtk_list_item_set_child (list_item, child);
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}
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static void
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total_bind (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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gpointer user_data)
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{
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g_autofree char *text = NULL;
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SysprofCallgraphFrame *frame;
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GtkTreeListRow *row;
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GtkWidget *child;
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double fraction;
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Augment *aug;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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row = gtk_list_item_get_item (list_item);
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frame = gtk_tree_list_row_get_item (row);
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aug = sysprof_callgraph_frame_get_augment (frame);
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fraction = aug->total / total;
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text = g_strdup_printf ("%.2lf", fraction*100.);
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child = gtk_list_item_get_child (list_item);
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gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (child), fraction);
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (child), text);
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}
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static void
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self_setup (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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SysprofCallgraph *callgraph)
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{
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GtkWidget *child;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
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child = g_object_new (GTK_TYPE_PROGRESS_BAR,
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"show-text", TRUE,
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NULL);
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gtk_list_item_set_child (list_item, child);
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}
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static void
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self_bind (GtkSignalListItemFactory *factory,
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GtkListItem *list_item,
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gpointer user_data)
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{
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g_autofree char *text = NULL;
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SysprofCallgraphFrame *frame;
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GtkTreeListRow *row;
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GtkWidget *child;
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double fraction;
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Augment *aug;
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g_assert (GTK_IS_SIGNAL_LIST_ITEM_FACTORY (factory));
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g_assert (GTK_IS_LIST_ITEM (list_item));
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row = gtk_list_item_get_item (list_item);
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frame = gtk_tree_list_row_get_item (row);
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aug = sysprof_callgraph_frame_get_augment (frame);
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fraction = aug->size / total;
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text = g_strdup_printf ("%.2lf", fraction*100.);
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child = gtk_list_item_get_child (list_item);
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gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (child), fraction);
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (child), text);
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}
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static GListModel *
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create_model_func (gpointer item,
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gpointer user_data)
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{
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if (g_list_model_get_n_items (G_LIST_MODEL (item)) > 0)
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return g_object_ref (G_LIST_MODEL (item));
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return NULL;
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}
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static void
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show_callgraph (SysprofCallgraph *callgraph)
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{
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g_autofree char *name = g_path_get_basename (filename);
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g_autoptr(GtkTreeListModel) tree = NULL;
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g_autoptr(GtkNoSelection) model = NULL;
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g_autoptr(SysprofCallgraphFrame) root = NULL;
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GtkColumnViewColumn *column;
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GtkScrolledWindow *scroller;
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GtkColumnView *column_view;
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GtkListItemFactory *factory;
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GtkWindow *window;
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Augment *aug;
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root = g_list_model_get_item (G_LIST_MODEL (callgraph), 0);
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aug = sysprof_callgraph_frame_get_augment (root);
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total = aug->total;
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tree = gtk_tree_list_model_new (g_object_ref (G_LIST_MODEL (callgraph)),
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FALSE,
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FALSE,
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create_model_func, NULL, NULL);
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model = gtk_no_selection_new (g_object_ref (G_LIST_MODEL (tree)));
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window = g_object_new (GTK_TYPE_WINDOW,
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"default-width", 1024,
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"default-height", 800,
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"title", name,
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NULL);
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scroller = g_object_new (GTK_TYPE_SCROLLED_WINDOW, NULL);
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gtk_window_set_child (GTK_WINDOW (window), GTK_WIDGET (scroller));
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column_view = g_object_new (GTK_TYPE_COLUMN_VIEW,
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"model", model,
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NULL);
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gtk_scrolled_window_set_child (scroller, GTK_WIDGET (column_view));
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect_object (factory, "setup", G_CALLBACK (function_setup), callgraph, 0);
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g_signal_connect_object (factory, "bind", G_CALLBACK (function_bind), callgraph, 0);
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column = gtk_column_view_column_new ("Function", factory);
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gtk_column_view_column_set_expand (column, TRUE);
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gtk_column_view_append_column (column_view, column);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect_object (factory, "setup", G_CALLBACK (self_setup), callgraph, 0);
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g_signal_connect (factory, "bind", G_CALLBACK (self_bind), NULL);
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column = gtk_column_view_column_new ("Self", factory);
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gtk_column_view_column_set_expand (column, FALSE);
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gtk_column_view_append_column (column_view, column);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect_object (factory, "setup", G_CALLBACK (total_setup), callgraph, 0);
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g_signal_connect (factory, "bind", G_CALLBACK (total_bind), NULL);
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column = gtk_column_view_column_new ("Total", factory);
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gtk_column_view_column_set_expand (column, FALSE);
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gtk_column_view_append_column (column_view, column);
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g_signal_connect_swapped (window,
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"close-request",
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G_CALLBACK (g_main_loop_quit),
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main_loop);
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gtk_window_present (window);
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}
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static void
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callgraph_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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SysprofDocument *document = SYSPROF_DOCUMENT (object);
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g_autoptr(GError) error = NULL;
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g_autoptr(SysprofCallgraph) callgraph = sysprof_document_callgraph_finish (document, result, &error);
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g_print ("Done.\n");
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g_assert_no_error (error);
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g_assert_true (SYSPROF_IS_CALLGRAPH (callgraph));
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show_callgraph (callgraph);
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}
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static void
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augment_cb (SysprofCallgraph *callgraph,
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SysprofCallgraphNode *node,
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SysprofDocumentFrame *frame,
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gpointer user_data)
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{
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Augment *aug;
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g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
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g_assert (node != NULL);
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g_assert (SYSPROF_IS_DOCUMENT_SAMPLE (frame));
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g_assert (user_data == NULL);
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aug = sysprof_callgraph_get_augment (callgraph, node);
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aug->size += 1;
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for (; node; node = sysprof_callgraph_node_parent (node))
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{
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aug = sysprof_callgraph_get_augment (callgraph, node);
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aug->total += 1;
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}
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}
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int
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main (int argc,
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char *argv[])
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{
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g_autoptr(GOptionContext) context = g_option_context_new ("- show a callgraph");
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g_autoptr(SysprofDocumentLoader) loader = NULL;
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g_autoptr(SysprofDocument) document = NULL;
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g_autoptr(SysprofMultiSymbolizer) multi = NULL;
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g_autoptr(GListModel) samples = NULL;
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g_autoptr(GError) error = NULL;
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gtk_init ();
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sysprof_clock_init ();
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g_option_context_add_main_entries (context, entries, NULL);
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if (!g_option_context_parse (context, &argc, &argv, &error))
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{
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g_printerr ("%s\n", error->message);
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return 1;
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}
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if (argc != 2)
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{
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g_print ("usage: %s [OPTIONS] CAPTURE_FILE\n", argv[0]);
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return 1;
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}
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filename = argv[1];
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main_loop = g_main_loop_new (NULL, FALSE);
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multi = sysprof_multi_symbolizer_new ();
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if (kallsyms_path)
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{
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g_autoptr(GFile) kallsyms_file = g_file_new_for_path (kallsyms_path);
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GFileInputStream *kallsyms_stream = g_file_read (kallsyms_file, NULL, NULL);
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sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new_for_symbols (G_INPUT_STREAM (kallsyms_stream)));
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}
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else
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{
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sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new ());
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}
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sysprof_multi_symbolizer_take (multi, sysprof_elf_symbolizer_new ());
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sysprof_multi_symbolizer_take (multi, sysprof_jitmap_symbolizer_new ());
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loader = sysprof_document_loader_new (filename);
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sysprof_document_loader_set_symbolizer (loader, SYSPROF_SYMBOLIZER (multi));
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g_print ("Loading %s, ignoring embedded symbols...\n", filename);
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if (!(document = sysprof_document_loader_load (loader, NULL, &error)))
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g_error ("Failed to load document: %s", error->message);
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g_print ("Loaded and symbolized. Generating callgraph...\n");
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samples = sysprof_document_list_samples (document);
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sysprof_document_callgraph_async (document,
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samples,
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sizeof (Augment),
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augment_cb, NULL, NULL,
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NULL,
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callgraph_cb,
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main_loop);
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g_main_loop_run (main_loop);
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return 0;
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}
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@ -56,3 +56,12 @@ if get_option('agent')
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install: true,
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)
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endif
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if get_option('gtk')
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callgraph = executable('callgraph', ['callgraph.c'],
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dependencies: [libsysprof_analyze_static_dep,
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dependency('gtk4', version: gtk_req_version)],
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c_args: tools_cflags,
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install: false,
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)
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endif
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Block a user