X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=iolog.c;h=4a79fc4667fc13eff4c62b9206a0dfefe0a5dfd4;hb=e1ce5b385c65803b170e512a1b5256bbe99f98f0;hp=26c3458638adf94f41d407c5444187e64f299647;hpb=e26029be10ee2c570cba2c4cc2b1987568306cd2;p=fio.git diff --git a/iolog.c b/iolog.c index 26c34586..4a79fc46 100644 --- a/iolog.c +++ b/iolog.c @@ -342,6 +342,9 @@ void trim_io_piece(const struct io_u *io_u) void write_iolog_close(struct thread_data *td) { + if (!td->iolog_f) + return; + fflush(td->iolog_f); fclose(td->iolog_f); free(td->iolog_buf); @@ -566,7 +569,9 @@ static bool read_iolog2(struct thread_data *td) static bool is_socket(const char *path) { struct stat buf; - int r = stat(path, &buf); + int r; + + r = stat(path, &buf); if (r == -1) return false; @@ -575,19 +580,25 @@ static bool is_socket(const char *path) static int open_socket(const char *path) { - int fd = socket(AF_UNIX, SOCK_STREAM, 0); struct sockaddr_un addr; + int ret, fd; + + fd = socket(AF_UNIX, SOCK_STREAM, 0); if (fd < 0) return fd; + addr.sun_family = AF_UNIX; if (snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path) >= - sizeof(addr.sun_path)) + sizeof(addr.sun_path)) { log_err("%s: path name %s is too long for a Unix socket\n", __func__, path); - if (connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)) == 0) + } + + ret = connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)); + if (!ret) return fd; - else - close(fd); + + close(fd); return -1; } @@ -596,20 +607,23 @@ static int open_socket(const char *path) */ static bool init_iolog_read(struct thread_data *td) { - char buffer[256], *p; + char buffer[256], *p, *fname; FILE *f = NULL; - bool ret; - char* fname = get_name_by_idx(td->o.read_iolog_file, td->subjob_number); + + fname = get_name_by_idx(td->o.read_iolog_file, td->subjob_number); dprint(FD_IO, "iolog: name=%s\n", fname); if (is_socket(fname)) { - int fd = open_socket(fname); - if (fd >= 0) { + int fd; + + fd = open_socket(fname); + if (fd >= 0) f = fdopen(fd, "r"); - } } else f = fopen(fname, "r"); + free(fname); + if (!f) { perror("fopen read iolog"); return false; @@ -622,21 +636,20 @@ static bool init_iolog_read(struct thread_data *td) fclose(f); return false; } - td->io_log_rfile = f; + /* * version 2 of the iolog stores a specific string as the * first line, check for that */ if (!strncmp(iolog_ver2, buffer, strlen(iolog_ver2))) { free_release_files(td); - ret = read_iolog2(td); - } - else { - log_err("fio: iolog version 1 is no longer supported\n"); - ret = false; + td->io_log_rfile = f; + return read_iolog2(td); } - return ret; + log_err("fio: iolog version 1 is no longer supported\n"); + fclose(f); + return false; } /* @@ -886,18 +899,18 @@ void flush_samples(FILE *f, void *samples, uint64_t sample_size) s = __get_sample(samples, log_offset, i); if (!log_offset) { - fprintf(f, "%lu, %" PRId64 ", %u, %llu\n", + fprintf(f, "%lu, %" PRId64 ", %u, %llu, %u\n", (unsigned long) s->time, s->data.val, - io_sample_ddir(s), (unsigned long long) s->bs); + io_sample_ddir(s), (unsigned long long) s->bs, s->priority_bit); } else { struct io_sample_offset *so = (void *) s; - fprintf(f, "%lu, %" PRId64 ", %u, %llu, %llu\n", + fprintf(f, "%lu, %" PRId64 ", %u, %llu, %llu, %u\n", (unsigned long) s->time, s->data.val, io_sample_ddir(s), (unsigned long long) s->bs, - (unsigned long long) so->offset); + (unsigned long long) so->offset, s->priority_bit); } } }