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Add getprogname(3) (ie null) 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 13:28:43 +00:00
parent f87a5f036b
commit 4cb2adf3f8
1 changed files with 18 additions and 0 deletions
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18
tools/tools/syscall_timing/syscall_timing.c
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@ -184,6 +184,23 @@ test_getpriority(uintmax_t num, uintmax_t int_arg, const char *path)
return (i);
}
/*
* The point of this one is to figure out the cost of a call into libc,
* through PLT, and back.
*/
uintmax_t
test_getprogname(uintmax_t num, uintmax_t int_arg, const char *path)
{
uintmax_t i;
benchmark_start();
BENCHMARK_FOREACH(i, num) {
(void)getprogname();
}
benchmark_stop();
return (i);
}
uintmax_t
test_pipe(uintmax_t num, uintmax_t int_arg, const char *path)
{
@ -678,6 +695,7 @@ static const struct test tests[] = {
{ "clock_gettime", test_clock_gettime },
{ "gettimeofday", test_gettimeofday },
{ "getpriority", test_getpriority },
{ "getprogname", test_getprogname },
{ "pipe", test_pipe },
{ "select", test_select },
{ "socket_local_stream", test_socket_stream, .t_int = PF_LOCAL },