Date: Thu, 2 Nov 2017 12:12:18 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325314 - head/tools/tools/syscall_timing Message-ID: <201711021212.vA2CCIUU025760@repo.freebsd.org>
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Author: trasz Date: Thu Nov 2 12:12:18 2017 New Revision: 325314 URL: https://svnweb.freebsd.org/changeset/base/325314 Log: Add getpriority(2) benchmark; it's a lightweight syscall which does pretty much nothing - just like getuid(2) - but takes arguments. Obtained from: CheriBSD MFC after: 2 weeks Sponsored by: DARPA, AFRL Modified: head/tools/tools/syscall_timing/syscall_timing.c Modified: head/tools/tools/syscall_timing/syscall_timing.c ============================================================================== --- head/tools/tools/syscall_timing/syscall_timing.c Thu Nov 2 12:11:20 2017 (r325313) +++ head/tools/tools/syscall_timing/syscall_timing.c Thu Nov 2 12:12:18 2017 (r325314) @@ -31,6 +31,7 @@ #include <sys/types.h> #include <sys/mman.h> +#include <sys/resource.h> #include <sys/socket.h> #include <sys/stat.h> #include <sys/time.h> @@ -163,6 +164,22 @@ test_gettimeofday(uintmax_t num, uintmax_t int_arg, co } uintmax_t +test_getpriority(uintmax_t num, uintmax_t int_arg, const char *path) +{ + uintmax_t i; + + benchmark_start(); + for (i = 0; i < num; i++) { + if (alarm_fired) + break; + (void)getpriority(PRIO_PROCESS, 0); + } + benchmark_stop(); + return (i); +} + + +uintmax_t test_pipe(uintmax_t num, uintmax_t int_arg, const char *path) { int fd[2], i; @@ -634,6 +651,7 @@ static const struct test tests[] = { { "getppid", test_getppid }, { "clock_gettime", test_clock_gettime }, { "gettimeofday", test_gettimeofday }, + { "getpriority", test_getpriority }, { "pipe", test_pipe }, { "socket_local_stream", test_socket_stream, .t_int = PF_LOCAL }, { "socket_local_dgram", test_socket_dgram, .t_int = PF_LOCAL },
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