X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=iolog.c;h=d51e49c33cfba215c359a78d30ef3b6023e64041;hb=40e8d8314f10a578765e20a4eb574b2603d292df;hp=bfafc032f4bc63dc03964d4b050d2a0089723916;hpb=c479640d6208236744f0562b1e79535eec290e2b;p=fio.git diff --git a/iolog.c b/iolog.c index bfafc032..d51e49c3 100644 --- a/iolog.c +++ b/iolog.c @@ -35,7 +35,7 @@ void log_io_u(const struct thread_data *td, const 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, + fprintf(td->iolog_f, "%s %s %llu %llu\n", io_u->file->file_name, io_ddir_name(io_u->ddir), io_u->offset, io_u->buflen); } @@ -63,6 +63,7 @@ void log_file(struct thread_data *td, struct fio_file *f, static void iolog_delay(struct thread_data *td, unsigned long delay) { uint64_t usec = utime_since_now(&td->last_issue); + unsigned long orig_delay = delay; uint64_t this_delay; struct timespec ts; @@ -88,8 +89,8 @@ static void iolog_delay(struct thread_data *td, unsigned long delay) } usec = utime_since_now(&ts); - if (usec > delay) - td->time_offset = usec - delay; + if (usec > orig_delay) + td->time_offset = usec - orig_delay; else td->time_offset = 0; } @@ -160,7 +161,7 @@ int read_iolog_get(struct thread_data *td, struct io_u *io_u) io_u->buflen = ipo->len; io_u->file = td->files[ipo->fileno]; get_file(io_u->file); - dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset, + dprint(FD_IO, "iolog: get %llu/%llu/%s\n", io_u->offset, io_u->buflen, io_u->file->file_name); if (ipo->delay) iolog_delay(td, ipo->delay); @@ -210,7 +211,7 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u) struct fio_rb_node **p, *parent; struct io_piece *ipo, *__ipo; - ipo = malloc(sizeof(struct io_piece)); + ipo = calloc(1, sizeof(struct io_piece)); init_ipo(ipo); ipo->file = io_u->file; ipo->offset = io_u->offset; @@ -226,16 +227,11 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u) } /* - * We don't need to sort the entries if we only performed sequential - * writes. In this case, just reading back data in the order we wrote - * it out is the faster but still safe. - * - * One exception is if we don't have a random map in which case we need + * Only sort writes if we don't have a random map in which case we need * to check for duplicate blocks and drop the old one, which we rely on * the rb insert/lookup for handling. */ - if (((!td->o.verifysort) || !td_random(td)) && - file_randommap(td, ipo->file)) { + if (file_randommap(td, ipo->file)) { INIT_FLIST_HEAD(&ipo->list); flist_add_tail(&ipo->list, &td->io_hist_list); ipo->flags |= IP_F_ONLIST; @@ -319,7 +315,7 @@ void unlog_io_piece(struct thread_data *td, struct io_u *io_u) td->io_hist_len--; } -void trim_io_piece(struct thread_data *td, const struct io_u *io_u) +void trim_io_piece(const struct io_u *io_u) { struct io_piece *ipo = io_u->ipo; @@ -342,7 +338,7 @@ void write_iolog_close(struct thread_data *td) * Read version 2 iolog data. It is enhanced to include per-file logging, * syncs, etc. */ -static int read_iolog2(struct thread_data *td, FILE *f) +static bool read_iolog2(struct thread_data *td, FILE *f) { unsigned long long offset; unsigned int bytes; @@ -444,7 +440,7 @@ static int read_iolog2(struct thread_data *td, FILE *f) /* * Make note of file */ - ipo = malloc(sizeof(*ipo)); + ipo = calloc(1, sizeof(*ipo)); init_ipo(ipo); ipo->ddir = rw; if (rw == DDIR_WAIT) { @@ -478,7 +474,7 @@ static int read_iolog2(struct thread_data *td, FILE *f) } if (!reads && !writes && !waits) - return 1; + return false; else if (reads && !writes) td->o.td_ddir = TD_DDIR_READ; else if (!reads && writes) @@ -486,22 +482,22 @@ static int read_iolog2(struct thread_data *td, FILE *f) else td->o.td_ddir = TD_DDIR_RW; - return 0; + return true; } /* * open iolog, check version, and call appropriate parser */ -static int init_iolog_read(struct thread_data *td) +static bool init_iolog_read(struct thread_data *td) { char buffer[256], *p; FILE *f; - int ret; + bool ret; f = fopen(td->o.read_iolog_file, "r"); if (!f) { perror("fopen read iolog"); - return 1; + return false; } p = fgets(buffer, sizeof(buffer), f); @@ -509,7 +505,7 @@ static int init_iolog_read(struct thread_data *td) td_verror(td, errno, "iolog read"); log_err("fio: unable to read iolog\n"); fclose(f); - return 1; + return false; } /* @@ -520,7 +516,7 @@ static int init_iolog_read(struct thread_data *td) ret = read_iolog2(td, f); else { log_err("fio: iolog version 1 is no longer supported\n"); - ret = 1; + ret = false; } fclose(f); @@ -530,7 +526,7 @@ static int init_iolog_read(struct thread_data *td) /* * Set up a log for storing io patterns. */ -static int init_iolog_write(struct thread_data *td) +static bool init_iolog_write(struct thread_data *td) { struct fio_file *ff; FILE *f; @@ -539,7 +535,7 @@ static int init_iolog_write(struct thread_data *td) f = fopen(td->o.write_iolog_file, "a"); if (!f) { perror("fopen write iolog"); - return 1; + return false; } /* @@ -554,7 +550,7 @@ static int init_iolog_write(struct thread_data *td) */ if (fprintf(f, "%s\n", iolog_ver2) < 0) { perror("iolog init\n"); - return 1; + return false; } /* @@ -563,12 +559,12 @@ static int init_iolog_write(struct thread_data *td) for_each_file(td, ff, i) log_file(td, ff, FIO_LOG_ADD_FILE); - return 0; + return true; } -int init_iolog(struct thread_data *td) +bool init_iolog(struct thread_data *td) { - int ret = 0; + bool ret; if (td->o.read_iolog_file) { int need_swap; @@ -583,8 +579,10 @@ int init_iolog(struct thread_data *td) ret = init_iolog_read(td); } else if (td->o.write_iolog_file) ret = init_iolog_write(td); + else + ret = true; - if (ret) + if (!ret) td_verror(td, EINVAL, "failed initializing iolog"); return ret; @@ -621,12 +619,12 @@ void setup_log(struct io_log **log, struct log_params *p, } if (l->td && l->td->o.io_submit_mode != IO_MODE_OFFLOAD) { - struct io_logs *p; + struct io_logs *__p; - p = calloc(1, sizeof(*l->pending)); - p->max_samples = DEF_LOG_ENTRIES; - p->log = calloc(p->max_samples, log_entry_sz(l)); - l->pending = p; + __p = calloc(1, sizeof(*l->pending)); + __p->max_samples = DEF_LOG_ENTRIES; + __p->log = calloc(__p->max_samples, log_entry_sz(l)); + l->pending = __p; } if (l->log_offset) @@ -739,8 +737,8 @@ static void flush_hist_samples(FILE *f, int hist_coarseness, void *samples, entry_before = flist_first_entry(&entry->list, struct io_u_plat_entry, list); io_u_plat_before = entry_before->io_u_plat; - fprintf(f, "%lu, %u, %u, ", (unsigned long) s->time, - io_sample_ddir(s), s->bs); + fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time, + io_sample_ddir(s), (unsigned long long) s->bs); for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) { fprintf(f, "%llu, ", (unsigned long long) hist_sum(j, stride, io_u_plat, io_u_plat_before)); @@ -772,17 +770,17 @@ 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, %u\n", + fprintf(f, "%lu, %" PRId64 ", %u, %llu\n", (unsigned long) s->time, s->data.val, - io_sample_ddir(s), s->bs); + io_sample_ddir(s), (unsigned long long) s->bs); } else { struct io_sample_offset *so = (void *) s; - fprintf(f, "%lu, %" PRId64 ", %u, %u, %llu\n", + fprintf(f, "%lu, %" PRId64 ", %u, %llu, %llu\n", (unsigned long) s->time, s->data.val, - io_sample_ddir(s), s->bs, + io_sample_ddir(s), (unsigned long long) s->bs, (unsigned long long) so->offset); } }