mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-20 02:48:36 +00:00
79ffb277ec
Remove glib.h includes, as it is provided by osdep.h. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
|
|
* Timed average computation tests
|
|
*
|
|
* Copyright Nodalink, EURL. 2014
|
|
*
|
|
* Authors:
|
|
* Benoît Canet <benoit.canet@nodalink.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "qemu/timed-average.h"
|
|
|
|
/* This is the clock for QEMU_CLOCK_VIRTUAL */
|
|
static int64_t my_clock_value;
|
|
|
|
int64_t cpu_get_clock(void)
|
|
{
|
|
return my_clock_value;
|
|
}
|
|
|
|
static void account(TimedAverage *ta)
|
|
{
|
|
timed_average_account(ta, 1);
|
|
timed_average_account(ta, 5);
|
|
timed_average_account(ta, 2);
|
|
timed_average_account(ta, 4);
|
|
timed_average_account(ta, 3);
|
|
}
|
|
|
|
static void test_average(void)
|
|
{
|
|
TimedAverage ta;
|
|
uint64_t result;
|
|
int i;
|
|
|
|
/* we will compute some average on a period of 1 second */
|
|
timed_average_init(&ta, QEMU_CLOCK_VIRTUAL, NANOSECONDS_PER_SECOND);
|
|
|
|
result = timed_average_min(&ta);
|
|
g_assert(result == 0);
|
|
result = timed_average_avg(&ta);
|
|
g_assert(result == 0);
|
|
result = timed_average_max(&ta);
|
|
g_assert(result == 0);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
account(&ta);
|
|
result = timed_average_min(&ta);
|
|
g_assert(result == 1);
|
|
result = timed_average_avg(&ta);
|
|
g_assert(result == 3);
|
|
result = timed_average_max(&ta);
|
|
g_assert(result == 5);
|
|
my_clock_value += NANOSECONDS_PER_SECOND / 10;
|
|
}
|
|
|
|
my_clock_value += NANOSECONDS_PER_SECOND * 100;
|
|
|
|
result = timed_average_min(&ta);
|
|
g_assert(result == 0);
|
|
result = timed_average_avg(&ta);
|
|
g_assert(result == 0);
|
|
result = timed_average_max(&ta);
|
|
g_assert(result == 0);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
account(&ta);
|
|
result = timed_average_min(&ta);
|
|
g_assert(result == 1);
|
|
result = timed_average_avg(&ta);
|
|
g_assert(result == 3);
|
|
result = timed_average_max(&ta);
|
|
g_assert(result == 5);
|
|
my_clock_value += NANOSECONDS_PER_SECOND / 10;
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
/* tests in the same order as the header function declarations */
|
|
g_test_init(&argc, &argv, NULL);
|
|
g_test_add_func("/timed-average/average", test_average);
|
|
return g_test_run();
|
|
}
|
|
|