X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=log.c;h=63c0a332d6bb6680998cbfd81a186d0ff6f24a3e;hp=e7320ef82086c1d039a9ef1169d8cc744f5fc6ed;hb=303032ae4e13c7ac10b8198c40df98d95a4524a6;hpb=9b23c9fb768ef052c7fe7cd825a714976a089e08 diff --git a/log.c b/log.c index e7320ef8..63c0a332 100644 --- a/log.c +++ b/log.c @@ -10,6 +10,12 @@ static const char iolog_ver2[] = "fio version 2 iolog"; +void queue_io_piece(struct thread_data *td, struct io_piece *ipo) +{ + list_add_tail(&ipo->list, &td->io_log_list); + td->total_io_size += ipo->len; +} + void log_io_u(struct thread_data *td, struct io_u *io_u) { const char *act[] = { "read", "write", "sync" }; @@ -19,7 +25,9 @@ void log_io_u(struct thread_data *td, struct io_u *io_u) if (!td->o.write_iolog_file) return; - fprintf(td->iolog_f, "%s %s %llu %lu\n", io_u->file->file_name, act[io_u->ddir], io_u->offset, io_u->buflen); + fprintf(td->iolog_f, "%s %s %llu %lu\n", io_u->file->file_name, + act[io_u->ddir], io_u->offset, + io_u->buflen); } void log_file(struct thread_data *td, struct fio_file *f, @@ -53,35 +61,65 @@ static void iolog_delay(struct thread_data *td, unsigned long delay) usec_sleep(td, delay); } +static int ipo_special(struct thread_data *td, struct io_piece *ipo) +{ + struct fio_file *f; + int ret; + + /* + * Not a special ipo + */ + if (ipo->ddir != DDIR_INVAL) + return 0; + + f = td->files[ipo->fileno]; + + switch (ipo->file_action) { + case FIO_LOG_OPEN_FILE: + ret = td_io_open_file(td, f); + if (!ret) { + free(ipo); + break; + } + td_verror(td, ret, "iolog open file"); + return -1; + case FIO_LOG_CLOSE_FILE: + td_io_close_file(td, f); + break; + case FIO_LOG_UNLINK_FILE: + unlink(f->file_name); + break; + default: + log_err("fio: bad file action %d\n", ipo->file_action); + break; + } + + return 1; +} + int read_iolog_get(struct thread_data *td, struct io_u *io_u) { struct io_piece *ipo; while (!list_empty(&td->io_log_list)) { + int ret; + ipo = list_entry(td->io_log_list.next, struct io_piece, list); list_del(&ipo->list); - /* - * invalid ddir, this is a file action - */ - if (ipo->ddir == DDIR_INVAL) { - struct fio_file *f = &td->files[ipo->fileno]; - - if (ipo->file_action == FIO_LOG_OPEN_FILE) { - assert(!td_io_open_file(td, f)); - free(ipo); - continue; - } else if (ipo->file_action == FIO_LOG_CLOSE_FILE) { - td_io_close_file(td, f); - free(ipo); - continue; - } + ret = ipo_special(td, ipo); + if (ret < 0) { + free(ipo); + break; + } else if (ret > 0) { + free(ipo); + continue; } io_u->offset = ipo->offset; io_u->buflen = ipo->len; io_u->ddir = ipo->ddir; - io_u->file = &td->files[ipo->fileno]; + io_u->file = td->files[ipo->fileno]; get_file(io_u->file); dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset, @@ -108,6 +146,12 @@ void prune_io_piece_log(struct thread_data *td) rb_erase(n, &td->io_hist_tree); free(ipo); } + + while (!list_empty(&td->io_hist_list)) { + ipo = list_entry(td->io_hist_list.next, struct io_piece, list); + list_del(&ipo->list); + free(ipo); + } } /* @@ -196,7 +240,8 @@ static int read_iolog2(struct thread_data *td, FILE *f) struct io_piece *ipo; int r; - r = sscanf(p, "%256s %256s %llu %u", fname, act, &offset, &bytes); + r = sscanf(p, "%256s %256s %llu %u", fname, act, &offset, + &bytes); if (r == 4) { /* * Check action first @@ -208,7 +253,8 @@ static int read_iolog2(struct thread_data *td, FILE *f) else if (!strcmp(act, "sync")) rw = DDIR_SYNC; else { - log_err("fio: bad iolog file action: %s\n",act); + log_err("fio: bad iolog file action: %s\n", + act); continue; } } else if (r == 2) { @@ -225,23 +271,24 @@ static int read_iolog2(struct thread_data *td, FILE *f) fileno = get_fileno(td, fname); file_action = FIO_LOG_CLOSE_FILE; } else { - log_err("fio: bad iolog file action: %s\n",act); + log_err("fio: bad iolog file action: %s\n", + act); continue; } } else { log_err("bad iolog2: %s", p); continue; } - + if (rw == DDIR_READ) reads++; else if (rw == DDIR_WRITE) { - writes++; /* * Don't add a write for ro mode */ if (read_only) continue; + writes++; } else if (rw != DDIR_SYNC && rw != DDIR_INVAL) { log_err("bad ddir: %d\n", rw); continue; @@ -262,8 +309,7 @@ static int read_iolog2(struct thread_data *td, FILE *f) ipo->fileno = fileno; ipo->file_action = file_action; } - list_add_tail(&ipo->list, &td->io_log_list); - td->total_io_size += bytes; + queue_io_piece(td, ipo); } free(str); @@ -271,7 +317,8 @@ static int read_iolog2(struct thread_data *td, FILE *f) free(fname); if (writes && read_only) { - log_err("fio: <%s> skips replay of %d writes due to read-only\n", td->o.name, writes); + log_err("fio: <%s> skips replay of %d writes due to" + " read-only\n", td->o.name, writes); writes = 0; } @@ -292,68 +339,8 @@ static int read_iolog2(struct thread_data *td, FILE *f) */ static int read_iolog(struct thread_data *td, FILE *f) { - unsigned long long offset; - unsigned int bytes; - char *str, *p; - int reads, writes; - int rw; - - /* - * Read in the read iolog and store it, reuse the infrastructure - * for doing verifications. - */ - str = malloc(4096); - reads = writes = 0; - while ((p = fgets(str, 4096, f)) != NULL) { - struct io_piece *ipo; - - if (sscanf(p, "%d,%llu,%u", &rw, &offset, &bytes) != 3) { - log_err("bad iolog: %s\n", p); - continue; - } - if (rw == DDIR_READ) - reads++; - else if (rw == DDIR_WRITE) { - writes++; - /* - * Don't add a write for ro mode - */ - if (read_only) - continue; - } else if (rw != DDIR_SYNC) { - log_err("bad ddir: %d\n", rw); - continue; - } - - ipo = malloc(sizeof(*ipo)); - memset(ipo, 0, sizeof(*ipo)); - INIT_LIST_HEAD(&ipo->list); - ipo->offset = offset; - ipo->len = bytes; - ipo->ddir = (enum fio_ddir) rw; - if (bytes > td->o.max_bs[rw]) - td->o.max_bs[rw] = bytes; - list_add_tail(&ipo->list, &td->io_log_list); - td->total_io_size += bytes; - } - - free(str); - - if (writes && read_only) { - log_err("fio: <%s> skips replay of %d writes due to read-only\n", td->o.name, writes); - writes = 0; - } - - if (!reads && !writes) - return 1; - else if (reads && !writes) - td->o.td_ddir = TD_DDIR_READ; - else if (!reads && writes) - td->o.td_ddir = TD_DDIR_WRITE; - else - td->o.td_ddir = TD_DDIR_RW; - - return 0; + log_err("fio: iolog version 1 is no longer supported\n"); + return 1; } /* @@ -483,8 +470,10 @@ void __finish_log(struct io_log *log, const char *name) return; } - for (i = 0; i < log->nr_samples; i++) - fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir); + for (i = 0; i < log->nr_samples; i++) { + fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, + log->log[i].ddir); + } fclose(f); free(log->log);