X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.c;h=82b2b8a3ec40084853655a42d5494a4e9bbf91bf;hp=19e96d2672fe3491fd27d2cd9eff9bdb6bb4c906;hb=61b9861d45dcd6be23c527861b32aa36bcd1b682;hpb=b7364e215cef9eeacd1957e214da24dd863d3e0d diff --git a/iolog.c b/iolog.c index 19e96d26..82b2b8a3 100644 --- a/iolog.c +++ b/iolog.c @@ -28,19 +28,14 @@ void queue_io_piece(struct thread_data *td, struct io_piece *ipo) td->total_io_size += ipo->len; } -void log_io_u(struct thread_data *td, struct io_u *io_u) +void log_io_u(const struct thread_data *td, const struct io_u *io_u) { - const char *act[] = { "read", "write", "sync", "datasync", - "sync_file_range", "wait", "trim" }; - - assert(io_u->ddir <= 6); - 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); + io_ddir_name(io_u->ddir), + io_u->offset, io_u->buflen); } void log_file(struct thread_data *td, struct fio_file *f, @@ -65,20 +60,22 @@ void log_file(struct thread_data *td, struct fio_file *f, static void iolog_delay(struct thread_data *td, unsigned long delay) { - unsigned long usec = utime_since_now(&td->last_issue); - unsigned long this_delay; + uint64_t usec = utime_since_now(&td->last_issue); + uint64_t this_delay; + struct timeval tv; + + if (delay < td->time_offset) { + td->time_offset = 0; + return; + } + delay -= td->time_offset; if (delay < usec) return; delay -= usec; - /* - * less than 100 usec delay, just regard it as noise - */ - if (delay < 100) - return; - + fio_gettime(&tv, NULL); while (delay && !td->terminate) { this_delay = delay; if (this_delay > 500000) @@ -87,6 +84,12 @@ static void iolog_delay(struct thread_data *td, unsigned long delay) usec_sleep(td, this_delay); delay -= this_delay; } + + usec = utime_since_now(&tv); + if (usec > delay) + td->time_offset = usec - delay; + else + td->time_offset = 0; } static int ipo_special(struct thread_data *td, struct io_piece *ipo) @@ -113,7 +116,7 @@ static int ipo_special(struct thread_data *td, struct io_piece *ipo) td_io_close_file(td, f); break; case FIO_LOG_UNLINK_FILE: - unlink(f->file_name); + td_io_unlink_file(td, f); break; default: log_err("fio: bad file action %d\n", ipo->file_action); @@ -184,7 +187,7 @@ void prune_io_piece_log(struct thread_data *td) } while (!flist_empty(&td->io_hist_list)) { - ipo = flist_entry(&td->io_hist_list, struct io_piece, list); + ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); flist_del(&ipo->list); remove_trim_entry(td, ipo); td->io_hist_len--; @@ -247,6 +250,7 @@ restart: p = &td->io_hist_tree.rb_node; parent = NULL; while (*p) { + int overlap = 0; parent = *p; __ipo = rb_entry(parent, struct io_piece, rb_node); @@ -254,11 +258,18 @@ restart: p = &(*p)->rb_left; else if (ipo->file > __ipo->file) p = &(*p)->rb_right; - else if (ipo->offset < __ipo->offset) + else if (ipo->offset < __ipo->offset) { p = &(*p)->rb_left; - else if (ipo->offset > __ipo->offset) + overlap = ipo->offset + ipo->len > __ipo->offset; + } + else if (ipo->offset > __ipo->offset) { p = &(*p)->rb_right; - else { + overlap = __ipo->offset + __ipo->len > ipo->offset; + } + else + overlap = 1; + + if (overlap) { dprint(FD_IO, "iolog: overlap %llu/%lu, %llu/%lu", __ipo->offset, __ipo->len, ipo->offset, ipo->len); @@ -280,6 +291,18 @@ void unlog_io_piece(struct thread_data *td, struct io_u *io_u) { struct io_piece *ipo = io_u->ipo; + if (td->ts.nr_block_infos) { + uint32_t *info = io_u_block_info(td, io_u); + if (BLOCK_INFO_STATE(*info) < BLOCK_STATE_TRIM_FAILURE) { + if (io_u->ddir == DDIR_TRIM) + *info = BLOCK_INFO_SET_STATE(*info, + BLOCK_STATE_TRIM_FAILURE); + else if (io_u->ddir == DDIR_WRITE) + *info = BLOCK_INFO_SET_STATE(*info, + BLOCK_STATE_WRITE_FAILURE); + } + } + if (!ipo) return; @@ -293,7 +316,7 @@ 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, struct io_u *io_u) +void trim_io_piece(struct thread_data *td, const struct io_u *io_u) { struct io_piece *ipo = io_u->ipo; @@ -550,9 +573,9 @@ int init_iolog(struct thread_data *td) void setup_log(struct io_log **log, struct log_params *p, const char *filename) { - struct io_log *l = malloc(sizeof(*l)); + struct io_log *l; - memset(l, 0, sizeof(*l)); + l = calloc(1, sizeof(*l)); l->nr_samples = 0; l->max_samples = 1024; l->log_type = p->log_type; @@ -735,6 +758,11 @@ static void finish_chunk(z_stream *stream, FILE *f, static size_t inflate_chunk(struct iolog_compress *ic, int gz_hdr, FILE *f, z_stream *stream, struct inflate_chunk_iter *iter) { + size_t ret; + + dprint(FD_COMPRESS, "inflate chunk size=%lu, seq=%u", + (unsigned long) ic->len, ic->seq); + if (ic->seq != iter->seq) { if (iter->seq) finish_chunk(stream, f, iter); @@ -777,7 +805,11 @@ static size_t inflate_chunk(struct iolog_compress *ic, int gz_hdr, FILE *f, break; } - return (void *) stream->next_in - ic->buf; + ret = (void *) stream->next_in - ic->buf; + + dprint(FD_COMPRESS, "inflated to size=%lu\n", (unsigned long) ret); + + return ret; } /* @@ -798,6 +830,9 @@ static int inflate_gz_chunks(struct io_log *log, FILE *f) if (log->log_gz_store) { size_t ret; + dprint(FD_COMPRESS, "log write chunk size=%lu, " + "seq=%u\n", (unsigned long) ic->len, ic->seq); + ret = fwrite(ic->buf, ic->len, 1, f); if (ret != 1 || ferror(f)) { iter.err = errno; @@ -853,10 +888,12 @@ int iolog_file_inflate(const char *file) if (ret < 0) { perror("fread"); fclose(f); + free(buf); return 1; } else if (ret != 1) { log_err("fio: short read on reading log\n"); fclose(f); + free(buf); return 1; } @@ -870,18 +907,18 @@ int iolog_file_inflate(const char *file) */ total = ic.len; do { - size_t ret; + size_t iret; - ret = inflate_chunk(&ic, 1, stdout, &stream, &iter); - total -= ret; + iret = inflate_chunk(&ic, 1, stdout, &stream, &iter); + total -= iret; if (!total) break; if (iter.err) break; ic.seq++; - ic.len -= ret; - ic.buf += ret; + ic.len -= iret; + ic.buf += iret; } while (1); if (iter.seq) { @@ -900,14 +937,23 @@ static int inflate_gz_chunks(struct io_log *log, FILE *f) return 0; } +int iolog_file_inflate(const char *file) +{ + log_err("fio: log inflation not possible without zlib\n"); + return 1; +} + #endif -void flush_log(struct io_log *log) +void flush_log(struct io_log *log, int do_append) { void *buf; FILE *f; - f = fopen(log->filename, "w"); + if (!do_append) + f = fopen(log->filename, "w"); + else + f = fopen(log->filename, "a"); if (!f) { perror("fopen log"); return; @@ -937,7 +983,7 @@ static int finish_log(struct thread_data *td, struct io_log *log, int trylock) if (td->client_type == FIO_CLIENT_TYPE_GUI) fio_send_iolog(td, log, log->filename); else - flush_log(log); + flush_log(log, !td->o.per_job_logs); fio_unlock_file(log->filename); free_log(log); @@ -980,6 +1026,8 @@ static int gz_work(struct tp_work *work) stream.next_in = (void *) data->samples; stream.avail_in = data->nr_samples * log_entry_sz(data->log); + dprint(FD_COMPRESS, "deflate input size=%lu, seq=%u\n", + (unsigned long) stream.avail_in, seq); do { c = get_new_chunk(seq); stream.avail_out = GZ_CHUNK; @@ -1009,10 +1057,13 @@ static int gz_work(struct tp_work *work) stream.next_out = c->buf; ret = deflate(&stream, Z_FINISH); c->len = GZ_CHUNK - stream.avail_out; + total += c->len; flist_add_tail(&c->list, &list); } while (ret != Z_STREAM_END); } + dprint(FD_COMPRESS, "deflated to size=%lu\n", (unsigned long) total); + ret = deflateEnd(&stream); if (ret != Z_OK) log_err("fio: deflateEnd %d\n", ret); @@ -1081,6 +1132,7 @@ int iolog_flush(struct io_log *log, int wait) } else data->work.wait = 0; + data->work.prio = 1; tp_queue_work(tdat, &data->work); if (wait) {