X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=blktrace.c;h=71ac412ba5e0c3f451967f61dd5405246b957f21;hp=2d4dc1b9fbca3724e47c7285e7fcdab277b82bc3;hb=cb3b68068d4688c4ac9f6d1bf169010f0ce8fab3;hpb=92330695e64a42fd5dc54a6970a4b8122d3cd80e diff --git a/blktrace.c b/blktrace.c index 2d4dc1b9..71ac412b 100644 --- a/blktrace.c +++ b/blktrace.c @@ -3,15 +3,14 @@ */ #include #include -#include #include #include -#include #include "flist.h" #include "fio.h" +#include "blktrace.h" #include "blktrace_api.h" -#include "lib/linux-dev-lookup.h" +#include "oslib/linux-dev-lookup.h" #define TRACE_FIFO_SIZE 8192 @@ -208,6 +207,14 @@ out: return last_fileno; } +static void t_bytes_align(struct thread_options *o, struct blk_io_trace *t) +{ + if (!o->replay_align) + return; + + t->bytes = (t->bytes + o->replay_align - 1) & ~(o->replay_align - 1); +} + /* * Store blk_io_trace data in an ipo for later retrieval. */ @@ -220,6 +227,9 @@ static void store_ipo(struct thread_data *td, unsigned long long offset, init_ipo(ipo); ipo->offset = offset * bs; + if (td->o.replay_scale) + ipo->offset = ipo->offset / td->o.replay_scale; + ipo_bytes_align(td->o.replay_align, ipo); ipo->len = bytes; ipo->delay = ttime / 1000; if (rw) @@ -275,6 +285,9 @@ static void handle_trace_discard(struct thread_data *td, INIT_FLIST_HEAD(&ipo->list); ipo->offset = t->sector * bs; + if (td->o.replay_scale) + ipo->offset = ipo->offset / td->o.replay_scale; + ipo_bytes_align(td->o.replay_align, ipo); ipo->len = t->bytes; ipo->delay = ttime / 1000; ipo->ddir = DDIR_TRIM; @@ -314,21 +327,29 @@ static void handle_trace(struct thread_data *td, struct blk_io_trace *t, unsigned long *ios, unsigned int *bs) { static unsigned long long last_ttime; - unsigned long long delay; + unsigned long long delay = 0; if ((t->action & 0xffff) != __BLK_TA_QUEUE) return; if (!(t->action & BLK_TC_ACT(BLK_TC_NOTIFY))) { - if (!last_ttime || td->o.no_stall) { - last_ttime = t->time; + if (!last_ttime || td->o.no_stall) delay = 0; - } else { + else if (td->o.replay_time_scale == 100) delay = t->time - last_ttime; - last_ttime = t->time; + else { + double tmp = t->time - last_ttime; + double scale; + + scale = (double) 100.0 / (double) td->o.replay_time_scale; + tmp *= scale; + delay = tmp; } + last_ttime = t->time; } + t_bytes_align(&td->o, t); + if (t->action & BLK_TC_ACT(BLK_TC_NOTIFY)) handle_trace_notify(t); else if (t->action & BLK_TC_ACT(BLK_TC_DISCARD)) @@ -483,10 +504,8 @@ int load_blktrace(struct thread_data *td, const char *filename, int need_swap) handle_trace(td, &t, ios, rw_bs); } while (1); - for (i = 0; i < td->files_index; i++) { - f = td->files[i]; + for_each_file(td, f, i) trace_add_open_close_event(td, f->fileno, FIO_LOG_CLOSE_FILE); - } fifo_free(fifo); close(fd);