Imported Upstream version 17.05

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

diff --git a/app/test/test_cycles.c b/app/test/test_cycles.c
deleted file mode 100644 (file)
index f189797..0000000
--- a/app/test/test_cycles.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   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
- *   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.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-
-#include <rte_common.h>
-#include <rte_cycles.h>
-
-#include "test.h"
-
-#define N 10000
-
-/*
- * Cycles test
- * ===========
- *
- * - 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.
- */
-
-static int
-test_cycles(void)
-{
-       unsigned i;
-       uint64_t start_cycles, cycles, prev_cycles;
-       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_timer_cycles();
-       prev_cycles = start_cycles;
-       for (i=0; i<N; i++) {
-               cycles = rte_get_timer_cycles();
-               if ((uint64_t)(cycles - prev_cycles) > max_inc) {
-                       printf("increment too high or going backwards\n");
-                       return -1;
-               }
-               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();
-
-       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;
-}
-
-REGISTER_TEST_COMMAND(cycles_autotest, test_cycles);
-
-/*
- * rte_delay_us_callback test
- *
- * - check if callback is correctly registered/unregistered
- *
- */
-
-static unsigned int pattern;
-static void my_rte_delay_us(unsigned int us)
-{
-       pattern += us;
-}
-
-static int
-test_user_delay_us(void)
-{
-       pattern = 0;
-
-       rte_delay_us(2);
-       if (pattern != 0)
-               return -1;
-
-       /* register custom delay function */
-       rte_delay_us_callback_register(my_rte_delay_us);
-
-       rte_delay_us(2);
-       if (pattern != 2)
-               return -1;
-
-       rte_delay_us(3);
-       if (pattern != 5)
-               return -1;
-
-       /* 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);