X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.c;h=e805eaef9a94595cb5327becf0eb931362179b8a;hp=b73c208e468e5e948c799d4a2d8d9beb72c60f49;hb=ee2e5717d1df0c37279eb94876777ee43d403e58;hpb=033ace1e7965ebf215f6fba2102de5b716ebfede diff --git a/iolog.c b/iolog.c index b73c208e..e805eaef 100644 --- a/iolog.c +++ b/iolog.c @@ -10,6 +10,7 @@ #include "fio.h" #include "verify.h" #include "trim.h" +#include "filelock.h" static const char iolog_ver2[] = "fio version 2 iolog"; @@ -110,7 +111,7 @@ int read_iolog_get(struct thread_data *td, struct io_u *io_u) { struct io_piece *ipo; unsigned long elapsed; - + while (!flist_empty(&td->io_log_list)) { int ret; @@ -141,11 +142,10 @@ int read_iolog_get(struct thread_data *td, struct io_u *io_u) elapsed = mtime_since_genesis(); if (ipo->delay > elapsed) usec_sleep(td, (ipo->delay - elapsed) * 1000); - } free(ipo); - + if (io_u->ddir != DDIR_WAIT) return 0; } @@ -189,6 +189,10 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u) ipo->file = io_u->file; ipo->offset = io_u->offset; ipo->len = io_u->buflen; + ipo->numberio = io_u->numberio; + ipo->flags = IP_F_IN_FLIGHT; + + io_u->ipo = ipo; if (io_u_should_trim(td, io_u)) { flist_add_tail(&ipo->trim_list, &td->trim_list); @@ -209,7 +213,7 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u) * drop the old one, which we rely on the rb insert/lookup for * handling. */ - if ((!td_random(td) || !td->o.overwrite) && + if (((!td->o.verifysort) || !td_random(td) || !td->o.overwrite) && (file_randommap(td, ipo->file) || td->o.verify == VERIFY_NONE)) { INIT_FLIST_HEAD(&ipo->list); flist_add_tail(&ipo->list, &td->io_hist_list); @@ -320,8 +324,7 @@ static int read_iolog2(struct thread_data *td, FILE *f) } else if (r == 2) { rw = DDIR_INVAL; if (!strcmp(act, "add")) { - td->o.nr_files++; - fileno = add_file(td, fname); + fileno = add_file(td, fname, 0, 1); file_action = FIO_LOG_ADD_FILE; continue; } else if (!strcmp(act, "open")) { @@ -373,7 +376,7 @@ static int read_iolog2(struct thread_data *td, FILE *f) ipo->fileno = fileno; ipo->file_action = file_action; } - + queue_io_piece(td, ipo); } @@ -481,35 +484,68 @@ int init_iolog(struct thread_data *td) int ret = 0; if (td->o.read_iolog_file) { + int need_swap; + /* * Check if it's a blktrace file and load that if possible. * Otherwise assume it's a normal log file and load that. */ - if (is_blktrace(td->o.read_iolog_file)) - ret = load_blktrace(td, td->o.read_iolog_file); + if (is_blktrace(td->o.read_iolog_file, &need_swap)) + ret = load_blktrace(td, td->o.read_iolog_file, need_swap); else ret = init_iolog_read(td); } else if (td->o.write_iolog_file) ret = init_iolog_write(td); + if (ret) + td_verror(td, EINVAL, "failed initializing iolog"); + return ret; } -void setup_log(struct io_log **log, unsigned long avg_msec) +void setup_log(struct io_log **log, unsigned long avg_msec, int log_type) { struct io_log *l = malloc(sizeof(*l)); memset(l, 0, sizeof(*l)); l->nr_samples = 0; l->max_samples = 1024; + l->log_type = log_type; l->log = malloc(l->max_samples * sizeof(struct io_sample)); l->avg_msec = avg_msec; *log = l; } +#ifdef CONFIG_SETVBUF +static void *set_file_buffer(FILE *f) +{ + size_t size = 1048576; + void *buf; + + buf = malloc(size); + setvbuf(f, buf, _IOFBF, size); + return buf; +} + +static void clear_file_buffer(void *buf) +{ + free(buf); +} +#else +static void *set_file_buffer(FILE *f) +{ + return NULL; +} + +static void clear_file_buffer(void *buf) +{ +} +#endif + void __finish_log(struct io_log *log, const char *name) { unsigned int i; + void *buf; FILE *f; f = fopen(name, "a"); @@ -518,29 +554,170 @@ void __finish_log(struct io_log *log, const char *name) return; } + buf = set_file_buffer(f); + for (i = 0; i < log->nr_samples; i++) { - fprintf(f, "%lu, %lu, %u, %u\n", log->log[i].time, - log->log[i].val, - log->log[i].ddir, - log->log[i].bs); + fprintf(f, "%lu, %lu, %u, %u\n", + (unsigned long) log->log[i].time, + (unsigned long) log->log[i].val, + log->log[i].ddir, log->log[i].bs); } fclose(f); + clear_file_buffer(buf); free(log->log); free(log); } -void finish_log_named(struct thread_data *td, struct io_log *log, - const char *prefix, const char *postfix) +static int finish_log_named(struct thread_data *td, struct io_log *log, + const char *prefix, const char *postfix, + int trylock) { - char file_name[256], *p; + char file_name[256]; snprintf(file_name, sizeof(file_name), "%s_%s.log", prefix, postfix); - p = basename(file_name); - __finish_log(log, p); + + if (trylock) { + if (fio_trylock_file(file_name)) + return 1; + } else + fio_lock_file(file_name); + + if (td->client_type == FIO_CLIENT_TYPE_GUI) { + fio_send_iolog(td, log, file_name); + free(log->log); + free(log); + } else + __finish_log(log, file_name); + + fio_unlock_file(file_name); + return 0; +} + +static int finish_log(struct thread_data *td, struct io_log *log, + const char *name, int trylock) +{ + return finish_log_named(td, log, td->o.name, name, trylock); +} + +static int write_this_log(struct thread_data *td, struct io_log *log, + const char *log_file, const char *name, int try) +{ + int ret; + + if (!log) + return 0; + + if (log_file) + ret = finish_log_named(td, log, log_file, name, try); + else + ret = finish_log(td, log, name, try); + + return ret; } -void finish_log(struct thread_data *td, struct io_log *log, const char *name) +static int write_iops_log(struct thread_data *td, int try) { - finish_log_named(td, log, td->o.name, name); + struct thread_options *o = &td->o; + + return write_this_log(td, td->iops_log, o->iops_log_file, "iops", try); +} + +static int write_slat_log(struct thread_data *td, int try) +{ + struct thread_options *o = &td->o; + + return write_this_log(td, td->slat_log, o->lat_log_file, "slat", try); +} + +static int write_clat_log(struct thread_data *td, int try) +{ + struct thread_options *o = &td->o; + + return write_this_log(td, td->clat_log, o->lat_log_file, "clat" , try); +} + +static int write_lat_log(struct thread_data *td, int try) +{ + struct thread_options *o = &td->o; + + return write_this_log(td, td->lat_log, o->lat_log_file, "lat", try); +} + +static int write_bandw_log(struct thread_data *td, int try) +{ + struct thread_options *o = &td->o; + + return write_this_log(td, td->bw_log, o->bw_log_file, "bw", try); +} + +enum { + BW_LOG_MASK = 1, + LAT_LOG_MASK = 2, + SLAT_LOG_MASK = 4, + CLAT_LOG_MASK = 8, + IOPS_LOG_MASK = 16, + + ALL_LOG_NR = 5, +}; + +struct log_type { + unsigned int mask; + int (*fn)(struct thread_data *, int); +}; + +static struct log_type log_types[] = { + { + .mask = BW_LOG_MASK, + .fn = write_bandw_log, + }, + { + .mask = LAT_LOG_MASK, + .fn = write_lat_log, + }, + { + .mask = SLAT_LOG_MASK, + .fn = write_slat_log, + }, + { + .mask = CLAT_LOG_MASK, + .fn = write_clat_log, + }, + { + .mask = IOPS_LOG_MASK, + .fn = write_iops_log, + }, +}; + +void fio_writeout_logs(struct thread_data *td) +{ + unsigned int log_mask = 0; + unsigned int log_left = ALL_LOG_NR; + int old_state, i; + + old_state = td_bump_runstate(td, TD_FINISHING); + + finalize_logs(td); + + while (log_left) { + int prev_log_left = log_left; + + for (i = 0; i < ALL_LOG_NR && log_left; i++) { + struct log_type *lt = &log_types[i]; + int ret; + + if (!(log_mask & lt->mask)) { + ret = lt->fn(td, log_left != 1); + if (!ret) { + log_left--; + log_mask |= lt->mask; + } + } + } + + if (prev_log_left == log_left) + usleep(5000); + } + + td_restore_runstate(td, old_state); }