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5b262bb697
Ptimer is a generic countdown timer helper that is used by many timer device models as well as by the QEMU core. Add QTests for the ptimer. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Message-id: 1de89fe6e1ccaf6c8071ee3469e1a844df948359.1473252818.git.digetx@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
569 lines
14 KiB
C
569 lines
14 KiB
C
/*
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* QTest testcase for the ptimer
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*
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* Author: Dmitry Osipenko <digetx@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include <glib/gprintf.h>
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#include "qemu/osdep.h"
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#include "qemu/main-loop.h"
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#include "hw/ptimer.h"
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#include "libqtest.h"
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#include "ptimer-test.h"
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static bool triggered;
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static void ptimer_trigger(void *opaque)
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{
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triggered = true;
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}
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static void ptimer_test_expire_qemu_timers(int64_t expire_time,
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QEMUClockType type)
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{
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QEMUTimerList *timer_list = main_loop_tlg.tl[type];
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QEMUTimer *t = timer_list->active_timers.next;
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while (t != NULL) {
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if (t->expire_time == expire_time) {
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timer_del(t);
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if (t->cb != NULL) {
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t->cb(t->opaque);
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}
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}
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t = t->next;
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}
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}
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static void ptimer_test_set_qemu_time_ns(int64_t ns)
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{
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ptimer_test_time_ns = ns;
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}
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static void qemu_clock_step(uint64_t ns)
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{
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int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
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int64_t advanced_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns;
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while (deadline != -1 && deadline <= advanced_time) {
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ptimer_test_set_qemu_time_ns(deadline);
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ptimer_test_expire_qemu_timers(deadline, QEMU_CLOCK_VIRTUAL);
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deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
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}
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ptimer_test_set_qemu_time_ns(advanced_time);
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}
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static void check_set_count(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_count(ptimer, 1000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 1000);
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g_assert_false(triggered);
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}
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static void check_set_limit(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_limit(ptimer, 1000, 0);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000);
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g_assert_false(triggered);
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ptimer_set_limit(ptimer, 2000, 1);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000);
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g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000);
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g_assert_false(triggered);
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}
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static void check_oneshot(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_set_count(ptimer, 10);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 * 2 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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ptimer_stop(ptimer);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 11);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 * 7 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(4000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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ptimer_set_count(ptimer, 10);
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qemu_clock_step(20000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
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g_assert_false(triggered);
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ptimer_set_limit(ptimer, 9, 1);
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qemu_clock_step(20000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
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g_assert_false(triggered);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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ptimer_set_count(ptimer, 20);
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qemu_clock_step(2000000 * 19 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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ptimer_stop(ptimer);
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triggered = false;
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qemu_clock_step(2000000 * 12 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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}
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static void check_periodic(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_set_limit(ptimer, 10, 1);
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ptimer_run(ptimer, 0);
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qemu_clock_step(2000000 * 10 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
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g_assert_false(triggered);
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ptimer_set_count(ptimer, 20);
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qemu_clock_step(2000000 * 11 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 10);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
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g_assert_true(triggered);
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ptimer_stop(ptimer);
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triggered = false;
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
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g_assert_false(triggered);
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ptimer_set_count(ptimer, 3);
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ptimer_run(ptimer, 0);
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qemu_clock_step(2000000 * 3 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
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g_assert_false(triggered);
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ptimer_set_count(ptimer, 0);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 * 12 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_true(triggered);
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ptimer_stop(ptimer);
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triggered = false;
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qemu_clock_step(2000000 * 12 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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ptimer_run(ptimer, 0);
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ptimer_set_period(ptimer, 0);
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
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g_assert_false(triggered);
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}
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static void check_on_the_fly_mode_change(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_set_limit(ptimer, 10, 1);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 * 9 + 100000);
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ptimer_run(ptimer, 0);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(2000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 * 9);
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ptimer_run(ptimer, 1);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 3);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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}
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static void check_on_the_fly_period_change(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_set_limit(ptimer, 8, 1);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 * 4 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
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g_assert_false(triggered);
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ptimer_set_period(ptimer, 4000000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
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qemu_clock_step(4000000 * 2 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(4000000 * 2);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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}
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static void check_on_the_fly_freq_change(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_freq(ptimer, 500);
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ptimer_set_limit(ptimer, 8, 1);
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ptimer_run(ptimer, 1);
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qemu_clock_step(2000000 * 4 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
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g_assert_false(triggered);
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ptimer_set_freq(ptimer, 250);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
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qemu_clock_step(2000000 * 4 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 4);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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}
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static void check_run_with_period_0(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_count(ptimer, 99);
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ptimer_run(ptimer, 1);
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qemu_clock_step(10 * NANOSECONDS_PER_SECOND);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
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g_assert_false(triggered);
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}
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static void check_run_with_delta_0(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_set_limit(ptimer, 99, 0);
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ptimer_run(ptimer, 1);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 97);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 97);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 2);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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triggered = false;
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ptimer_set_count(ptimer, 0);
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ptimer_run(ptimer, 0);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 97);
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g_assert_false(triggered);
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qemu_clock_step(2000000 * 98);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 98);
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g_assert_true(triggered);
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ptimer_stop(ptimer);
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}
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static void check_periodic_with_load_0(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_run(ptimer, 0);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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ptimer_stop(ptimer);
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}
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static void check_oneshot_with_load_0(gconstpointer arg)
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{
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const uint8_t *policy = arg;
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QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
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ptimer_state *ptimer = ptimer_init(bh, *policy);
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triggered = false;
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ptimer_set_period(ptimer, 2000000);
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ptimer_run(ptimer, 1);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_true(triggered);
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triggered = false;
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qemu_clock_step(2000000 + 100000);
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g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
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g_assert_false(triggered);
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triggered = false;
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qemu_clock_step(2000000 + 100000);
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g_assert_false(triggered);
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}
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static void add_ptimer_tests(uint8_t policy)
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{
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uint8_t *ppolicy = g_malloc(1);
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char *policy_name = g_malloc(64);
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*ppolicy = policy;
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if (policy == PTIMER_POLICY_DEFAULT) {
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g_sprintf(policy_name, "default");
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}
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qtest_add_data_func(
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g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
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ppolicy, check_set_count);
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qtest_add_data_func(
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g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
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ppolicy, check_set_limit);
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qtest_add_data_func(
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g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
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ppolicy, check_oneshot);
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qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
|
|
ppolicy, check_periodic);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s", policy_name),
|
|
ppolicy, check_on_the_fly_mode_change);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s", policy_name),
|
|
ppolicy, check_on_the_fly_period_change);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s", policy_name),
|
|
ppolicy, check_on_the_fly_freq_change);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/run_with_period_0 policy=%s", policy_name),
|
|
ppolicy, check_run_with_period_0);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/run_with_delta_0 policy=%s", policy_name),
|
|
ppolicy, check_run_with_delta_0);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s", policy_name),
|
|
ppolicy, check_periodic_with_load_0);
|
|
|
|
qtest_add_data_func(
|
|
g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s", policy_name),
|
|
ppolicy, check_oneshot_with_load_0);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i;
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
|
|
for (i = 0; i < QEMU_CLOCK_MAX; i++) {
|
|
main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1);
|
|
}
|
|
|
|
add_ptimer_tests(PTIMER_POLICY_DEFAULT);
|
|
|
|
qtest_allowed = true;
|
|
|
|
return g_test_run();
|
|
}
|