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libsysprof: add scaffolding to perform category summaries

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The goal here is to summarize the categories starting from a specific
frame.
This commit is contained in:
Christian Hergert
2023-07-20 16:04:42 -07:00
parent 9400757821
commit 4a8d5007e5
6 changed files with 247 additions and 0 deletions
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2
src/libsysprof/meson.build
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@ -6,6 +6,7 @@ libsysprof_public_sources = [
'sysprof-callgraph.c',
'sysprof-callgraph-categorize.c',
'sysprof-categories.c',
'sysprof-category-summary.c',
'sysprof-cpu-info.c',
'sysprof-cpu-usage.c',
'sysprof-diagnostic.c',
@ -64,6 +65,7 @@ libsysprof_public_headers = [
'sysprof-callgraph-frame.h',
'sysprof-callgraph-symbol.h',
'sysprof-callgraph.h',
'sysprof-category-summary.h',
'sysprof-cpu-info.h',
'sysprof-cpu-usage.h',
'sysprof-diagnostic.h',

74
src/libsysprof/sysprof-callgraph-frame.c
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@ -24,6 +24,7 @@
#include "sysprof-callgraph-private.h"
#include "sysprof-callgraph-frame-private.h"
#include "sysprof-category-summary.h"
#include "sysprof-enums.h"
#include "sysprof-symbol-private.h"
#include "sysprof-document-bitset-index-private.h"
@ -508,3 +509,76 @@ sysprof_callgraph_frame_get_category (SysprofCallgraphFrame *self)
return SYSPROF_CALLGRAPH_CATEGORY_UNCATEGORIZED;
}
static void
summarize_node (const SysprofCallgraphNode *node,
GListStore *store,
GHashTable *category_to_summary)
{
for (const SysprofCallgraphNode *iter = node->children; iter; iter = iter->next)
summarize_node (iter, store, category_to_summary);
}
static void
sysprof_callgraph_frame_summarize (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
SysprofCallgraphFrame *self = source_object;
g_autoptr(GHashTable) category_to_summary = NULL;
g_autoptr(GListStore) store = NULL;
g_assert (G_IS_TASK (task));
g_assert (SYSPROF_IS_CALLGRAPH_FRAME (self));
g_assert (SYSPROF_IS_CALLGRAPH (task_data));
store = g_list_store_new (G_TYPE_OBJECT);
category_to_summary = g_hash_table_new (NULL, NULL);
summarize_node (self->node, store, category_to_summary);
g_task_return_pointer (task, g_steal_pointer (&store), g_object_unref);
}
void
sysprof_callgraph_frame_summarize_async (SysprofCallgraphFrame *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (SYSPROF_IS_CALLGRAPH_FRAME (self));
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_source_tag (task, sysprof_callgraph_frame_summarize_async);
if (self->callgraph == NULL)
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Callgraph disposed");
return;
}
g_task_set_task_data (task, g_object_ref (self->callgraph), g_object_unref);
g_task_run_in_thread (task, sysprof_callgraph_frame_summarize);
}
/**
* sysprof_callgraph_frame_summarize_finish:
*
* Returns: (transfer full): a #GListModel of #SysprofCategorySummary
*/
GListModel *
sysprof_callgraph_frame_summarize_finish (SysprofCallgraphFrame *self,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (SYSPROF_IS_CALLGRAPH_FRAME (self), NULL);
g_return_val_if_fail (G_IS_TASK (result), NULL);
return g_task_propagate_pointer (G_TASK (result), error);
}

9
src/libsysprof/sysprof-callgraph-frame.h
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@ -50,5 +50,14 @@ GListModel *sysprof_callgraph_frame_list_traceables_finish (SysprofCallgraphF
GError **error);
SYSPROF_AVAILABLE_IN_ALL
gboolean sysprof_callgraph_frame_is_leaf (SysprofCallgraphFrame *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_callgraph_frame_summarize_async (SysprofCallgraphFrame *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
SYSPROF_AVAILABLE_IN_ALL
GListModel *sysprof_callgraph_frame_summarize_finish (SysprofCallgraphFrame *self,
GAsyncResult *result,
GError **error);
G_END_DECLS

124
src/libsysprof/sysprof-category-summary.c Normal file
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@ -0,0 +1,124 @@
/* sysprof-category-summary.c
*
* 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
*/
#include "config.h"
#include "sysprof-category-summary.h"
#include "sysprof-enums.h"
struct _SysprofCategorySummary
{
GObject parent_instance;
SysprofCallgraphCategory category;
guint64 count;
guint64 total;
};
enum {
PROP_0,
PROP_CATEGORY,
PROP_FRACTION,
N_PROPS
};
G_DEFINE_FINAL_TYPE (SysprofCategorySummary, sysprof_category_summary, G_TYPE_OBJECT)
static GParamSpec *properties [N_PROPS];
static void
sysprof_category_summary_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
SysprofCategorySummary *self = SYSPROF_CATEGORY_SUMMARY (object);
switch (prop_id)
{
case PROP_CATEGORY:
g_value_set_enum (value, sysprof_category_summary_get_category (self));
break;
case PROP_FRACTION:
g_value_set_double (value, sysprof_category_summary_get_fraction (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
sysprof_category_summary_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
SysprofCategorySummary *self = SYSPROF_CATEGORY_SUMMARY (object);
switch (prop_id)
{
case PROP_CATEGORY:
self->category = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
sysprof_category_summary_class_init (SysprofCategorySummaryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = sysprof_category_summary_get_property;
object_class->set_property = sysprof_category_summary_set_property;
properties[PROP_CATEGORY] =
g_param_spec_enum ("category", NULL, NULL,
SYSPROF_TYPE_CALLGRAPH_CATEGORY,
SYSPROF_CALLGRAPH_CATEGORY_UNCATEGORIZED,
(G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
properties[PROP_FRACTION] =
g_param_spec_double ("fraction", NULL, NULL,
0, 1, 0,
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
sysprof_category_summary_init (SysprofCategorySummary *self)
{
}
SysprofCallgraphCategory
sysprof_category_summary_get_category (SysprofCategorySummary *self)
{
return self->category;
}
double
sysprof_category_summary_get_fraction (SysprofCategorySummary *self)
{
return CLAMP (self->count / (double)self->total, .0, 1.);
}

37
src/libsysprof/sysprof-category-summary.h Normal file
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@ -0,0 +1,37 @@
/* sysprof-category-summary.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-callgraph.h"
G_BEGIN_DECLS
#define SYSPROF_TYPE_CATEGORY_SUMMARY (sysprof_category_summary_get_type())
SYSPROF_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (SysprofCategorySummary, sysprof_category_summary, SYSPROF, CATEGORY_SUMMARY, GObject)
SYSPROF_AVAILABLE_IN_ALL
SysprofCallgraphCategory sysprof_category_summary_get_category (SysprofCategorySummary *self);
SYSPROF_AVAILABLE_IN_ALL
double sysprof_category_summary_get_fraction (SysprofCategorySummary *self);
G_END_DECLS

1
src/libsysprof/sysprof.h
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@ -30,6 +30,7 @@ G_BEGIN_DECLS
# include "sysprof-callgraph-frame.h"
# include "sysprof-callgraph-symbol.h"
# include "sysprof-callgraph.h"
# include "sysprof-category-summary.h"
# include "sysprof-cpu-info.h"
# include "sysprof-cpu-usage.h"
# include "sysprof-diagnostic.h"