X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_cycles.c;h=f6c043a463748adb9bd036ca4978a9fbcfdd3b5f;hb=38c9817ee1d8;hp=f48040204d8327e0e385692a46456dac4d2990fd;hpb=af75078fece3615088e561357c1e97603e43a5fe;p=dpdk.git

diff --git a/app/test/test_cycles.c b/app/test/test_cycles.c
index f48040204d..f6c043a463 100644
--- a/app/test/test_cycles.c
+++ b/app/test/test_cycles.c
@@ -1,43 +1,39 @@
 /*-
  *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
- * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
- * 
- *     * Redistributions of source code must retain the above copyright 
+ *
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
- * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- *  version: DPDK.L.1.2.3-3
  */
 
 #include <stdio.h>
 #include <stdint.h>
 
-#include <cmdline_parse.h>
-
 #include <rte_common.h>
 #include <rte_cycles.h>
 
@@ -49,26 +45,26 @@
  * Cycles test
  * ===========
  *
- * - Loop N times and check that the timer alway increments and
+ * - Loop N times and check that the timer always increments and
  *   never decrements during this loop.
  *
  * - Wait one second using rte_usleep() and check that the increment
  *   of cycles is correct with regard to the frequency of the timer.
  */
 
-int
+static int
 test_cycles(void)
 {
 	unsigned i;
 	uint64_t start_cycles, cycles, prev_cycles;
-	uint64_t hz = rte_get_hpet_hz();
+	uint64_t hz = rte_get_timer_hz();
 	uint64_t max_inc = (hz / 100); /* 10 ms max between 2 reads */
 
 	/* check that the timer is always incrementing */
-	start_cycles = rte_get_hpet_cycles();
+	start_cycles = rte_get_timer_cycles();
 	prev_cycles = start_cycles;
 	for (i=0; i<N; i++) {
-		cycles = rte_get_hpet_cycles();
+		cycles = rte_get_timer_cycles();
 		if ((uint64_t)(cycles - prev_cycles) > max_inc) {
 			printf("increment too high or going backwards\n");
 			return -1;
@@ -77,18 +73,20 @@ test_cycles(void)
 	}
 
 	/* check that waiting 1 second is precise */
-	prev_cycles = rte_get_hpet_cycles();
+	prev_cycles = rte_get_timer_cycles();
 	rte_delay_us(1000000);
-	cycles = rte_get_hpet_cycles();
+	cycles = rte_get_timer_cycles();
+
 	if ((uint64_t)(cycles - prev_cycles) > (hz + max_inc)) {
-		printf("delay_us is not accurate\n");
+		printf("delay_us is not accurate: too long\n");
 		return -1;
 	}
-	cycles = rte_get_hpet_cycles();
-	if ((uint64_t)(cycles - prev_cycles) < (hz)) {
-		printf("delay_us is not accurate\n");
+	if ((uint64_t)(cycles - prev_cycles) < (hz - max_inc)) {
+		printf("delay_us is not accurate: too short\n");
 		return -1;
 	}
 
 	return 0;
 }
+
+REGISTER_TEST_COMMAND(cycles_autotest, test_cycles);