X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/0d33c2e1156b523b8fea545e8ae1448bd50b8abb..27c8ce5c4cd6ef751eb4c0914805aef74ce50f68:/latester/latester.c diff --git a/latester/latester.c b/latester/latester.c index c980f24..a72558a 100644 --- a/latester/latester.c +++ b/latester/latester.c @@ -79,6 +79,7 @@ struct { int num_interfaces = 0; int count = 0; /* Number of sent messages */ +unsigned msg_in_progress = 0; int completion_pipe[2]; struct msg_info { @@ -131,7 +132,7 @@ static inline struct msg_info *frame2info(struct can_frame *frame) if (idx >= MAX_INFOS) error(1, 0, "%s idx too high", __FUNCTION__); } else { - + error(1, 0, "%s error", __FUNCTION__); } return &msg_infos[idx]; @@ -295,7 +296,7 @@ int init_ftrace() char *debugfs; char path[256]; FILE *f; - + debugfs = "/sys/kernel/debug"; if (debugfs) { strcpy(path, debugfs); @@ -376,7 +377,7 @@ int send_frame(int socket) mi->length = frame.can_dlc; get_tstamp(&mi->ts_sent); mi->sent = frame; - + trace_on(); ret = write(socket, &frame, sizeof(frame)); trace_off(ret); @@ -386,6 +387,22 @@ int send_frame(int socket) return ret; } +static inline send_and_check(int s) +{ + int ret; + ret = send_frame(s); + if (ret != sizeof(struct can_frame)) { +/* if (ret == -1 && errno == ENOBUFS && opt.period_us == 0 && !opt.oneattime) { */ +/* stats.enobufs++; */ +/* /\* Ignore this error - pfifo_fast qeuue is full *\/ */ +/* } else */ + error(1, errno, "send_frame (line %d)", __LINE__); + } else { + count++; + msg_in_progress++; + } +} + static inline void get_next_timeout(struct timespec *timeout) { struct timespec now; @@ -478,7 +495,7 @@ void process_final_rx(int s) struct can_frame frame; struct msg_info *mi; int ret; - + receive(s, &frame, &ts_kern, &ts_user); mi = frame2info(&frame); mi->ts_rx_final_kern = ts_kern; @@ -500,7 +517,6 @@ void *measure_thread(void *arg) struct timespec timeout; struct sockaddr_can addr; sigset_t set; - unsigned msg_in_progress = 0; MEMSET_ZERO(pfd); @@ -542,26 +558,10 @@ void *measure_thread(void *arg) set_sched_policy_and_prio(SCHED_FIFO, 40); -#define SEND() \ - do { \ - ret = send_frame(pfd[0].fd); \ - if (ret != sizeof(struct can_frame)) { \ - if (ret == -1 && errno == ENOBUFS && opt.period_us == 0 && !opt.oneattime) { \ - stats.enobufs++; \ - /* Ignore this error - pfifo_fast qeuue is full */ \ - } else \ - error(1, errno, "send_frame (line %d)", __LINE__); \ - } \ - else { \ - count++; \ - msg_in_progress++; \ - } \ - } while (0) - - if (opt.oneattime) { +#define SEND() send_and_check(pfd[0].fd) + + if (opt.oneattime) SEND(); - count = 1; - } while (!finish_flag && (opt.count == 0 || count < opt.count || msg_in_progress != 0)) { @@ -676,6 +676,11 @@ int parse_options(int argc, const char *argv[]) return 0; } +void print_progress() +{ + printf("\rSent %5d, in progress %5d", count, msg_in_progress); + fflush(stdout); +} int main(int argc, const char *argv[]) { @@ -705,7 +710,7 @@ int main(int argc, const char *argv[]) error(1, errno, "pipe fcntl"); init_ftrace(); - + pthread_create(&thread, 0, measure_thread, NULL); struct timespec next, now, diff; @@ -732,16 +737,16 @@ int main(int argc, const char *argv[]) clock_gettime(CLOCK_MONOTONIC, &now); if (timespec_subtract(&diff, &next, &now)) { - printf("\rMessage %d", count); - fflush(stdout); - next.tv_nsec += 100000000; + print_progress(); + next.tv_nsec += 100000000; while (next.tv_nsec >= 1000000000) { next.tv_nsec -= 1000000000; next.tv_sec++; } } } - printf("\rMessage %d\n", count); + print_progress(); + printf("\n"); pthread_join(thread, NULL);