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Add a very simple memcpy benchmark.

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Obtained from:	CheriBSD
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
This commit is contained in:
Edward Tomasz Napierala 2018-07-04 14:18:12 +00:00
parent 32a3b2e07a
commit 8f499922b6
1 changed files with 27 additions and 0 deletions
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27
tools/tools/syscall_timing/syscall_timing.c
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@ -342,6 +342,26 @@ test_getuid(uintmax_t num, uintmax_t int_arg __unused, const char *path __unused
return (i);
}
static uintmax_t
test_memcpy(uintmax_t num, uintmax_t int_arg, const char *path __unused)
{
char buf[int_arg], buf2[int_arg];
uintmax_t i;
benchmark_start();
BENCHMARK_FOREACH(i, num) {
/*
* Copy the memory there and back, to match the total amount
* moved by pipeping/pipepingtd tests.
*/
memcpy(buf2, buf, int_arg);
memcpy(buf, buf2, int_arg);
}
benchmark_stop();
return (i);
}
static uintmax_t
test_open_close(uintmax_t num, uintmax_t int_arg __unused, const char *path)
{
@ -833,6 +853,13 @@ static const struct test tests[] = {
{ "getresuid", test_getresuid, .t_flags = 0 },
{ "gettimeofday", test_gettimeofday, .t_flags = 0 },
{ "getuid", test_getuid, .t_flags = 0 },
{ "memcpy_1", test_memcpy, .t_flags = 0, .t_int = 1 },
{ "memcpy_10", test_memcpy, .t_flags = 0, .t_int = 10 },
{ "memcpy_100", test_memcpy, .t_flags = 0, .t_int = 100 },
{ "memcpy_1000", test_memcpy, .t_flags = 0, .t_int = 1000 },
{ "memcpy_10000", test_memcpy, .t_flags = 0, .t_int = 10000 },
{ "memcpy_100000", test_memcpy, .t_flags = 0, .t_int = 100000 },
{ "memcpy_1000000", test_memcpy, .t_flags = 0, .t_int = 1000000 },
{ "open_close", test_open_close, .t_flags = FLAG_PATH },
{ "open_read_close_1", test_open_read_close, .t_flags = FLAG_PATH,
.t_int = 1 },