Date: Wed, 4 Jul 2018 13:26:47 +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: r335936 - head/tools/tools/syscall_timing Message-ID: <201807041326.w64DQlGI002757@repo.freebsd.org>
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Author: trasz Date: Wed Jul 4 13:26:47 2018 New Revision: 335936 URL: https://svnweb.freebsd.org/changeset/base/335936 Log: Use a macro for iteration. 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 Wed Jul 4 13:22:48 2018 (r335935) +++ head/tools/tools/syscall_timing/syscall_timing.c Wed Jul 4 13:26:47 2018 (r335936) @@ -63,6 +63,8 @@ static volatile int alarm_fired; } \ } while (0) +#define BENCHMARK_FOREACH(I, NUM) for (I = 0; I < NUM && alarm_fired == 0; I++) + static void alarm_handler(int signum) { @@ -103,9 +105,7 @@ test_getuid(uintmax_t num, uintmax_t int_arg, const ch * call is MPSAFE. */ benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { getuid(); } benchmark_stop(); @@ -122,9 +122,7 @@ test_getppid(uintmax_t num, uintmax_t int_arg, const c * lock. */ benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { getppid(); } benchmark_stop(); @@ -138,9 +136,7 @@ test_getresuid(uintmax_t num, uintmax_t int_arg, const uintmax_t i; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)getresuid(&ruid, &euid, &suid); } benchmark_stop(); @@ -154,9 +150,7 @@ test_clock_gettime(uintmax_t num, uintmax_t int_arg, c uintmax_t i; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)clock_gettime(CLOCK_REALTIME, &ts); } benchmark_stop(); @@ -170,9 +164,7 @@ test_gettimeofday(uintmax_t num, uintmax_t int_arg, co uintmax_t i; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)gettimeofday(&tv, NULL); } benchmark_stop(); @@ -185,9 +177,7 @@ test_getpriority(uintmax_t num, uintmax_t int_arg, con uintmax_t i; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)getpriority(PRIO_PROCESS, 0); } benchmark_stop(); @@ -210,9 +200,7 @@ test_pipe(uintmax_t num, uintmax_t int_arg, const char close(fd[0]); close(fd[1]); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { if (pipe(fd) == -1) err(-1, "test_pipe: pipe"); close(fd[0]); @@ -238,9 +226,7 @@ test_select(uintmax_t num, uintmax_t int_arg, const ch tv.tv_usec = 0; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)select(0, &readfds, &writefds, &exceptfds, &tv); } benchmark_stop(); @@ -258,9 +244,7 @@ test_socket_stream(uintmax_t num, uintmax_t int_arg, c err(-1, "test_socket_stream: socket"); close(so); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { so = socket(int_arg, SOCK_STREAM, 0); if (so == -1) err(-1, "test_socket_stream: socket"); @@ -281,9 +265,7 @@ test_socket_dgram(uintmax_t num, uintmax_t int_arg, co err(-1, "test_socket_dgram: socket"); close(so); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { so = socket(int_arg, SOCK_DGRAM, 0); if (so == -1) err(-1, "test_socket_dgram: socket"); @@ -304,9 +286,7 @@ test_socketpair_stream(uintmax_t num, uintmax_t int_ar close(so[0]); close(so[1]); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { if (socketpair(PF_LOCAL, SOCK_STREAM, 0, so) == -1) err(-1, "test_socketpair_stream: socketpair"); close(so[0]); @@ -327,9 +307,7 @@ test_socketpair_dgram(uintmax_t num, uintmax_t int_arg close(so[0]); close(so[1]); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, so) == -1) err(-1, "test_socketpair_dgram: socketpair"); close(so[0]); @@ -351,9 +329,7 @@ test_access(uintmax_t num, uintmax_t int_arg, const ch close(fd); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { access(path, O_RDONLY); close(fd); } @@ -375,9 +351,7 @@ test_create_unlink(uintmax_t num, uintmax_t int_arg, c if (unlink(path) < 0) err(-1, "test_create_unlink: unlink: %s", path); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { fd = open(path, O_RDWR | O_CREAT, 0600); if (fd < 0) err(-1, "test_create_unlink: create: %s", path); @@ -401,9 +375,7 @@ test_open_close(uintmax_t num, uintmax_t int_arg, cons close(fd); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { fd = open(path, O_RDONLY); if (fd < 0) err(-1, "test_open_close: %s", path); @@ -419,9 +391,7 @@ test_bad_open(uintmax_t num, uintmax_t int_arg, const uintmax_t i; benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { open("", O_RDONLY); } benchmark_stop(); @@ -441,9 +411,7 @@ test_read(uintmax_t num, uintmax_t int_arg, const char (void)pread(fd, buf, int_arg, 0); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)pread(fd, buf, int_arg, 0); } benchmark_stop(); @@ -465,9 +433,7 @@ test_open_read_close(uintmax_t num, uintmax_t int_arg, close(fd); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { fd = open(path, O_RDONLY); if (fd < 0) err(-1, "test_open_read_close: %s", path); @@ -490,9 +456,7 @@ test_dup(uintmax_t num, uintmax_t int_arg, const char if (fd >= 0) close(fd); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { fd = dup(shmfd); if (fd >= 0) close(fd); @@ -513,9 +477,7 @@ test_shmfd(uintmax_t num, uintmax_t int_arg, const cha err(-1, "test_shmfd: shm_open"); close(shmfd); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { shmfd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0600); if (shmfd < 0) err(-1, "test_shmfd: shm_open"); @@ -538,9 +500,7 @@ test_fstat_shmfd(uintmax_t num, uintmax_t int_arg, con if (fstat(shmfd, &sb) < 0) err(-1, "test_fstat_shmfd: fstat"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { (void)fstat(shmfd, &sb); } benchmark_stop(); @@ -562,9 +522,7 @@ test_fork(uintmax_t num, uintmax_t int_arg, const char if (waitpid(pid, NULL, 0) < 0) err(-1, "test_fork: waitpid"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { pid = fork(); if (pid < 0) err(-1, "test_fork: fork"); @@ -591,9 +549,7 @@ test_vfork(uintmax_t num, uintmax_t int_arg, const cha if (waitpid(pid, NULL, 0) < 0) err(-1, "test_vfork: waitpid"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { pid = vfork(); if (pid < 0) err(-1, "test_vfork: vfork"); @@ -626,9 +582,7 @@ test_fork_exec(uintmax_t num, uintmax_t int_arg, const if (waitpid(pid, NULL, 0) < 0) err(-1, "test_fork: waitpid"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { pid = fork(); if (pid < 0) err(-1, "test_fork_exec: fork"); @@ -659,9 +613,7 @@ test_vfork_exec(uintmax_t num, uintmax_t int_arg, cons if (waitpid(pid, NULL, 0) < 0) err(-1, "test_vfork_exec: waitpid"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { pid = vfork(); if (pid < 0) err(-1, "test_vfork_exec: vfork"); @@ -684,9 +636,7 @@ test_chroot(uintmax_t num, uintmax_t int_arg, const ch if (chroot("/") < 0) err(-1, "test_chroot: chroot"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { if (chroot("/") < 0) err(-1, "test_chroot: chroot"); } @@ -704,9 +654,7 @@ test_setuid(uintmax_t num, uintmax_t int_arg, const ch if (setuid(uid) < 0) err(-1, "test_setuid: setuid"); benchmark_start(); - for (i = 0; i < num; i++) { - if (alarm_fired) - break; + BENCHMARK_FOREACH(i, num) { if (setuid(uid) < 0) err(-1, "test_setuid: setuid"); }
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