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Diffstat (limited to 'test/test/test_cycles.c')
-rw-r--r--test/test/test_cycles.c51
1 files changed, 37 insertions, 14 deletions
diff --git a/test/test/test_cycles.c b/test/test/test_cycles.c
index 149f60b..c78e6a5 100644
--- a/test/test/test_cycles.c
+++ b/test/test/test_cycles.c
@@ -24,6 +24,30 @@
*/
static int
+check_wait_one_second(void)
+{
+ uint64_t cycles, prev_cycles;
+ uint64_t hz = rte_get_timer_hz();
+ uint64_t max_inc = (hz / 100); /* 10 ms max between 2 reads */
+
+ /* check that waiting 1 second is precise */
+ prev_cycles = rte_get_timer_cycles();
+ rte_delay_us(1000000);
+ cycles = rte_get_timer_cycles();
+
+ if ((uint64_t)(cycles - prev_cycles) > (hz + max_inc)) {
+ printf("delay_us is not accurate: too long\n");
+ return -1;
+ }
+ if ((uint64_t)(cycles - prev_cycles) < (hz - max_inc)) {
+ printf("delay_us is not accurate: too short\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
test_cycles(void)
{
unsigned i;
@@ -43,24 +67,23 @@ test_cycles(void)
prev_cycles = cycles;
}
- /* check that waiting 1 second is precise */
- prev_cycles = rte_get_timer_cycles();
- rte_delay_us(1000000);
- cycles = rte_get_timer_cycles();
+ return check_wait_one_second();
+}
- if ((uint64_t)(cycles - prev_cycles) > (hz + max_inc)) {
- printf("delay_us is not accurate: too long\n");
- return -1;
- }
- if ((uint64_t)(cycles - prev_cycles) < (hz - max_inc)) {
- printf("delay_us is not accurate: too short\n");
- return -1;
- }
+REGISTER_TEST_COMMAND(cycles_autotest, test_cycles);
- return 0;
+/*
+ * One second precision test with rte_delay_us_sleep.
+ */
+
+static int
+test_delay_us_sleep(void)
+{
+ rte_delay_us_callback_register(rte_delay_us_sleep);
+ return check_wait_one_second();
}
-REGISTER_TEST_COMMAND(cycles_autotest, test_cycles);
+REGISTER_TEST_COMMAND(delay_us_sleep_autotest, test_delay_us_sleep);
/*
* rte_delay_us_callback test