eal: remove deprecated noninclusive API

[dpdk.git] / app / test / test_cycles.c

diff --git a/app/test/test_cycles.c b/app/test/test_cycles.c
index f480402..66d11e6 100644 (file)
--- a/app/test/test_cycles.c
+++ b/app/test/test_cycles.c
@@ -1,94 +1,56 @@
-/*-
- *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2012 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 
- *   are met:
- * 
- *     * 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 
- *       distribution.
- *     * 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 
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- *  version: DPDK.L.1.2.3-3
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
 #include <stdint.h>
 
-#include <cmdline_parse.h>
-
 #include <rte_common.h>
 #include <rte_cycles.h>
 
 #include "test.h"
 
-#define N 10000
-
 /*
- * Cycles test
- * ===========
+ * rte_delay_us_callback test
  *
- * - Loop N times and check that the timer alway increments and
- *   never decrements during this loop.
+ * - check if callback is correctly registered/unregistered
  *
- * - Wait one second using rte_usleep() and check that the increment
- *   of cycles is correct with regard to the frequency of the timer.
  */
 
-int
-test_cycles(void)
+static unsigned int pattern;
+static void my_rte_delay_us(unsigned int us)
+{
+       pattern += us;
+}
+
+static int
+test_user_delay_us(void)
 {
-       unsigned i;
-       uint64_t start_cycles, cycles, prev_cycles;
-       uint64_t hz = rte_get_hpet_hz();
-       uint64_t max_inc = (hz / 100); /* 10 ms max between 2 reads */
+       pattern = 0;
+
+       rte_delay_us(2);
+       if (pattern != 0)
+               return -1;
+
+       /* register custom delay function */
+       rte_delay_us_callback_register(my_rte_delay_us);
 
-       /* check that the timer is always incrementing */
-       start_cycles = rte_get_hpet_cycles();
-       prev_cycles = start_cycles;
-       for (i=0; i<N; i++) {
-               cycles = rte_get_hpet_cycles();
-               if ((uint64_t)(cycles - prev_cycles) > max_inc) {
-                       printf("increment too high or going backwards\n");
-                       return -1;
-               }
-               prev_cycles = cycles;
-       }
+       rte_delay_us(2);
+       if (pattern != 2)
+               return -1;
 
-       /* check that waiting 1 second is precise */
-       prev_cycles = rte_get_hpet_cycles();
-       rte_delay_us(1000000);
-       cycles = rte_get_hpet_cycles();
-       if ((uint64_t)(cycles - prev_cycles) > (hz + max_inc)) {
-               printf("delay_us is not accurate\n");
+       rte_delay_us(3);
+       if (pattern != 5)
                return -1;
-       }
-       cycles = rte_get_hpet_cycles();
-       if ((uint64_t)(cycles - prev_cycles) < (hz)) {
-               printf("delay_us is not accurate\n");
+
+       /* restore original delay function */
+       rte_delay_us_callback_register(rte_delay_us_block);
+
+       rte_delay_us(3);
+       if (pattern != 5)
                return -1;
-       }
 
        return 0;
 }
+
+REGISTER_TEST_COMMAND(user_delay_us, test_user_delay_us);