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tests: add a timing test for adding lots of GSources

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https://bugzilla.gnome.org/show_bug.cgi?id=619329
This commit is contained in:
Dan Winship 2012-06-24 09:48:10 -04:00
parent 4780ee5d4a
commit 56de38da7d
3 changed files with 192 additions and 0 deletions
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1
tests/.gitignore vendored
View File

@ -53,6 +53,7 @@ slice-concurrent
slice-test
slice-threadinit
slist-test
sources
spawn-test
testgdate
testgdateparser

2
tests/Makefile.am
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@ -104,6 +104,7 @@ test_programs = \
slice-color \
slice-concurrent \
slice-threadinit \
sources \
spawn-test \
$(spawn_test_win32_gui) \
thread-test \
@ -153,6 +154,7 @@ slice_concurrent_SOURCES = slice-concurrent.c
slice_concurrent_LDADD = $(thread_ldadd)
slice_threadinit_SOURCES = slice-threadinit.c
slice_threadinit_LDADD = $(thread_ldadd)
sources_LDADD = $(progs_ldadd)
spawn_test_LDADD = $(progs_ldadd)
thread_test_LDADD = $(thread_ldadd)
threadpool_test_LDADD = $(thread_ldadd)

189
tests/sources.c Normal file
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@ -0,0 +1,189 @@
/* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Copyright 2012 Red Hat, Inc
*/
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <sys/time.h>
#include <sys/resource.h>
#include <glib.h>
#define NSOURCES 50000
static gboolean
callback (gpointer user_data)
{
g_assert_not_reached ();
return FALSE;
}
static void
shuffle (GSource **sources, int num)
{
int i, a, b;
GSource *tmp;
for (i = 0; i < num * 10; i++)
{
a = g_random_int_range (0, num);
b = g_random_int_range (0, num);
tmp = sources[a];
sources[a] = sources[b];
sources[b] = tmp;
}
}
static void
thread_pool_attach_func (gpointer data,
gpointer user_data)
{
GMainContext *context = user_data;
GSource *source = data;
g_source_attach (source, context);
}
static void
thread_pool_destroy_func (gpointer data,
gpointer user_data)
{
GSource *source = data;
g_source_destroy (source);
}
static double
difftimeval (struct timeval *old, struct timeval *new)
{
return
(new->tv_sec - old->tv_sec) * 1000. + (new->tv_usec - old->tv_usec) / 1000;
}
int
main (int argc, char **argv)
{
int i;
struct rusage old_usage;
struct rusage new_usage;
GMainContext *context;
GSource **sources;
GThreadPool *pool;
GError *error = NULL;
context = g_main_context_default ();
sources = g_new0 (GSource *, NSOURCES);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
{
sources[i] = g_idle_source_new ();
g_source_set_callback (sources[i], callback, NULL, NULL);
g_source_attach (sources[i], context);
}
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Add same-priority sources: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
#ifdef SLOW
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
g_assert (sources[i] == g_main_context_find_source_by_id (context, g_source_get_id (sources[i])));
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Find each source: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
#endif
shuffle (sources, NSOURCES);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
g_source_destroy (sources[i]);
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Remove in random order: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
/* Make sure they really did get removed */
g_main_context_iteration (context, FALSE);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
{
sources[i] = g_idle_source_new ();
g_source_set_callback (sources[i], callback, NULL, NULL);
g_source_set_priority (sources[i], i % 100);
g_source_attach (sources[i], context);
}
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Add different-priority sources: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
#ifdef SLOW
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
g_assert (sources[i] == g_main_context_find_source_by_id (context, g_source_get_id (sources[i])));
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Find each source: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
#endif
shuffle (sources, NSOURCES);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
g_source_destroy (sources[i]);
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Remove in random order: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
/* Make sure they really did get removed */
g_main_context_iteration (context, FALSE);
pool = g_thread_pool_new (thread_pool_attach_func, context,
20, TRUE, NULL);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
{
sources[i] = g_idle_source_new ();
g_source_set_callback (sources[i], callback, NULL, NULL);
g_thread_pool_push (pool, sources[i], &error);
g_assert_no_error (error);
}
g_thread_pool_free (pool, FALSE, TRUE);
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Add sources from threads: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
pool = g_thread_pool_new (thread_pool_destroy_func, context,
20, TRUE, NULL);
getrusage (RUSAGE_SELF, &old_usage);
for (i = 0; i < NSOURCES; i++)
{
g_thread_pool_push (pool, sources[i], &error);
g_assert_no_error (error);
}
g_thread_pool_free (pool, FALSE, TRUE);
getrusage (RUSAGE_SELF, &new_usage);
g_print ("Remove sources from threads: %g\n",
difftimeval (&old_usage.ru_utime, &new_usage.ru_utime));
/* Make sure they really did get removed */
g_main_context_iteration (context, FALSE);
return 0;
}