/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 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.
- *
*/
#include <rte_cycles.h>
#include <rte_launch.h>
-#include <cmdline_parse.h>
-
#include "test.h"
/*
#define RING_SIZE 4096
#define MAX_BURST 32
-/*
+/*
* the sizes to enqueue and dequeue in testing
* (marked volatile so they won't be seen as compile-time constants)
*/
(double)(mc_end-mc_start) / iterations);
}
-/*
+/*
* for the separate enqueue and dequeue threads they take in one param
* and return two. Input = burst size, output = cycle average for sp/sc & mp/mc
*/
double spsc, mpmc; /* output value, the single or multi timings */
};
-/*
+/*
* Function that uses rdtsc to measure timing for ring enqueue. Needs pair
- * thread running dequeue_bulk function
+ * thread running dequeue_bulk function
*/
static int
enqueue_bulk(void *p)
return 0;
}
-/*
+/*
* Function that uses rdtsc to measure timing for ring dequeue. Needs pair
- * thread running enqueue_bulk function
+ * thread running enqueue_bulk function
*/
static int
dequeue_bulk(void *p)
return 0;
}
-/*
+/*
* Function that calls the enqueue and dequeue bulk functions on pairs of cores.
* used to measure ring perf between hyperthreads, cores and sockets.
*/
run_on_core_pair(struct lcore_pair *cores,
lcore_function_t f1, lcore_function_t f2)
{
- struct thread_params param1 = {.size = 0}, param2 = {.size = 0};
+ struct thread_params param1 = {0}, param2 = {0};
unsigned i;
for (i = 0; i < sizeof(bulk_sizes)/sizeof(bulk_sizes[0]); i++) {
lcore_count = 0;
}
}
-/*
+/*
* Test function that determines how long an enqueue + dequeue of a single item
* takes on a single lcore. Result is for comparison with the bulk enq+deq.
*/
(mc_end-mc_start) >> iter_shift);
}
-/*
+/*
* Test that does both enqueue and dequeue on a core using the burst() API calls
* instead of the bulk() calls used in other tests. Results should be the same
* as for the bulk function called on a single lcore.
}
}
-int
+static int
test_ring_perf(void)
{
struct lcore_pair cores;
}
return 0;
}
+
+REGISTER_TEST_COMMAND(ring_perf_autotest, test_ring_perf);
git.droids-corp.org / dpdk.git / blobdiff