diff options
Diffstat (limited to 'src/examples/libevent-bench/bench.c')
-rw-r--r-- | src/examples/libevent-bench/bench.c | 82 |
1 files changed, 53 insertions, 29 deletions
diff --git a/src/examples/libevent-bench/bench.c b/src/examples/libevent-bench/bench.c index 0e2cb08..9940b45 100644 --- a/src/examples/libevent-bench/bench.c +++ b/src/examples/libevent-bench/bench.c @@ -28,6 +28,7 @@ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ + /* * Copyright 2003 Niels Provos <provos@citi.umich.edu> * All rights reserved. @@ -63,19 +64,20 @@ * */ -#define timersub(tvp, uvp, vvp) \ - do { \ - (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ - (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ - if ((vvp)->tv_usec < 0) { \ - (vvp)->tv_sec--; \ - (vvp)->tv_usec += 1000000; \ - } \ +#define timersub(tvp, uvp, vvp) \ + do \ + { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) \ + { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ } while (0) #include <mowgli.h> - static int count, writes, fired; static mowgli_eventloop_t *base_eventloop; static mowgli_descriptor_t *pipes; @@ -93,13 +95,17 @@ void read_cb(mowgli_eventloop_t *eventloop, mowgli_eventloop_io_t *io, mowgli_eventloop_io_dir_t dir, void *arg) { mowgli_eventloop_pollable_t *pollable = mowgli_eventloop_io_pollable(io); + int idx = (int) (long) arg, widx = idx + 1; u_char ch; count += read(pollable->fd, &ch, sizeof(ch)); - if (writes) { + + if (writes) + { if (widx >= num_pipes) widx -= num_pipes; + write(pipes[2 * widx + 1], "e", 1); writes--; fired++; @@ -110,24 +116,28 @@ read_cb(mowgli_eventloop_t *eventloop, mowgli_eventloop_io_t *io, mowgli_eventlo void read_thunk(struct ev_io *w, int revents) { - read_cb (w->fd, revents, w->data); + read_cb(w->fd, revents, w->data); } void -timer_cb (struct ev_timer *w, int revents) +timer_cb(struct ev_timer *w, int revents) { - /* nop */ + /* nop */ } + #endif struct timeval * run_once(void) { int *cp, i, space; + static struct timeval ta, ts, te; gettimeofday(&ta, NULL); - for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) { + + for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) + { if (events[i] != NULL) mowgli_pollable_destroy(base_eventloop, events[i]); @@ -138,6 +148,7 @@ run_once(void) fired = 0; space = num_pipes / num_active; space = space * 2; + for (i = 0; i < num_active; i++, fired++) write(pipes[i * space + 1], "e", 1); @@ -146,7 +157,9 @@ run_once(void) int xcount = 0; gettimeofday(&ts, NULL); - do { + + do + { mowgli_eventloop_run_once(base_eventloop); xcount++; } while (count != fired); @@ -158,15 +171,16 @@ run_once(void) fprintf(stdout, "%ld\t%ld\n", ta.tv_sec * 1000000L + ta.tv_usec, ts.tv_sec * 1000000L + ts.tv_usec - ); + ); - return (&te); + return &te; } int -main (int argc, char **argv) +main(int argc, char **argv) { struct rlimit rl; + int i, c; int *cp; extern char *optarg; @@ -174,8 +188,11 @@ main (int argc, char **argv) num_pipes = 100; num_active = 1; num_writes = num_pipes; - while ((c = getopt(argc, argv, "n:a:w:te")) != -1) { - switch (c) { + + while ((c = getopt(argc, argv, "n:a:w:te")) != -1) + { + switch (c) + { case 'n': num_pipes = atoi(optarg); break; @@ -186,7 +203,7 @@ main (int argc, char **argv) num_writes = atoi(optarg); break; case 't': - timers = 1; + timers = 1; break; default: fprintf(stderr, "Illegal argument \"%c\"\n", c); @@ -196,14 +213,17 @@ main (int argc, char **argv) #if 1 rl.rlim_cur = rl.rlim_max = num_pipes * 2 + 50; - if (setrlimit(RLIMIT_NOFILE, &rl) == -1) { + + if (setrlimit(RLIMIT_NOFILE, &rl) == -1) perror("setrlimit"); - } + #endif events = calloc(num_pipes * 2, sizeof(mowgli_eventloop_pollable_t *)); pipes = calloc(num_pipes * 2, sizeof(mowgli_descriptor_t)); - if (events == NULL || pipes == NULL) { + + if ((events == NULL) || (pipes == NULL)) + { perror("malloc"); exit(1); } @@ -211,20 +231,24 @@ main (int argc, char **argv) mowgli_thread_set_policy(MOWGLI_THREAD_POLICY_DISABLED); base_eventloop = mowgli_eventloop_create(); - for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) { + for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) + { #ifdef USE_PIPES - if (pipe(cp) == -1) { + + if (pipe(cp) == -1) + { #else - if (socketpair(AF_UNIX, SOCK_STREAM, 0, cp) == -1) { + + if (socketpair(AF_UNIX, SOCK_STREAM, 0, cp) == -1) + { #endif perror("pipe"); exit(1); } } - for (i = 0; i < 2; i++) { + for (i = 0; i < 2; i++) run_once(); - } exit(0); } |