Fix "C99 inline functions are not supported" warning on OpenBSD
[fio.git] / iolog.c
diff --git a/iolog.c b/iolog.c
index 4c87f1cb88d723f90712da14474ce2d1fe71deba..31d674c24dab7dc607bd7c43b120f524e7ae5ab9 100644 (file)
--- a/iolog.c
+++ b/iolog.c
@@ -109,6 +109,11 @@ static int ipo_special(struct thread_data *td, struct io_piece *ipo)
 
        switch (ipo->file_action) {
        case FIO_LOG_OPEN_FILE:
+               if (td->o.replay_redirect && fio_file_open(f)) {
+                       dprint(FD_FILE, "iolog: ignoring re-open of file %s\n",
+                                       f->file_name);
+                       break;
+               }
                ret = td_io_open_file(td, f);
                if (!ret)
                        break;
@@ -272,7 +277,7 @@ restart:
                        overlap = 1;
 
                if (overlap) {
-                       dprint(FD_IO, "iolog: overlap %llu/%lu, %llu/%lu",
+                       dprint(FD_IO, "iolog: overlap %llu/%lu, %llu/%lu\n",
                                __ipo->offset, __ipo->len,
                                ipo->offset, ipo->len);
                        td->io_hist_len--;
@@ -346,7 +351,7 @@ static int read_iolog2(struct thread_data *td, FILE *f)
        unsigned long long offset;
        unsigned int bytes;
        int reads, writes, waits, fileno = 0, file_action = 0; /* stupid gcc */
-       char *fname, *act;
+       char *rfname, *fname, *act;
        char *str, *p;
        enum fio_ddir rw;
 
@@ -357,7 +362,7 @@ static int read_iolog2(struct thread_data *td, FILE *f)
         * for doing verifications.
         */
        str = malloc(4096);
-       fname = malloc(256+16);
+       rfname = fname = malloc(256+16);
        act = malloc(256+16);
 
        reads = writes = waits = 0;
@@ -365,8 +370,12 @@ 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,
+               r = sscanf(p, "%256s %256s %llu %u", rfname, act, &offset,
                                                                        &bytes);
+
+               if (td->o.replay_redirect)
+                       fname = td->o.replay_redirect;
+
                if (r == 4) {
                        /*
                         * Check action first
@@ -392,8 +401,14 @@ static int read_iolog2(struct thread_data *td, FILE *f)
                } else if (r == 2) {
                        rw = DDIR_INVAL;
                        if (!strcmp(act, "add")) {
-                               fileno = add_file(td, fname, 0, 1);
-                               file_action = FIO_LOG_ADD_FILE;
+                               if (td->o.replay_redirect &&
+                                   get_fileno(td, fname) != -1) {
+                                       dprint(FD_FILE, "iolog: ignoring"
+                                               " re-add of file %s\n", fname);
+                               } else {
+                                       fileno = add_file(td, fname, 0, 1);
+                                       file_action = FIO_LOG_ADD_FILE;
+                               }
                                continue;
                        } else if (!strcmp(act, "open")) {
                                fileno = get_fileno(td, fname);
@@ -407,7 +422,7 @@ static int read_iolog2(struct thread_data *td, FILE *f)
                                continue;
                        }
                } else {
-                       log_err("bad iolog2: %s", p);
+                       log_err("bad iolog2: %s\n", p);
                        continue;
                }
 
@@ -421,6 +436,8 @@ static int read_iolog2(struct thread_data *td, FILE *f)
                                continue;
                        writes++;
                } else if (rw == DDIR_WAIT) {
+                       if (td->o.no_stall)
+                               continue;
                        waits++;
                } else if (rw == DDIR_INVAL) {
                } else if (!ddir_sync(rw)) {
@@ -437,7 +454,12 @@ static int read_iolog2(struct thread_data *td, FILE *f)
                if (rw == DDIR_WAIT) {
                        ipo->delay = offset;
                } else {
-                       ipo->offset = offset;
+                       if (td->o.replay_scale)
+                               ipo->offset = offset / td->o.replay_scale;
+                       else
+                               ipo->offset = offset;
+                       ipo_bytes_align(td->o.replay_align, ipo);
+
                        ipo->len = bytes;
                        if (rw != DDIR_INVAL && bytes > td->o.max_bs[rw])
                                td->o.max_bs[rw] = bytes;
@@ -451,7 +473,7 @@ static int read_iolog2(struct thread_data *td, FILE *f)
 
        free(str);
        free(act);
-       free(fname);
+       free(rfname);
 
        if (writes && read_only) {
                log_err("fio: <%s> skips replay of %d writes due to"
@@ -576,6 +598,9 @@ void setup_log(struct io_log **log, struct log_params *p,
               const char *filename)
 {
        struct io_log *l;
+       int i;
+       struct io_u_plat_entry *entry;
+       struct flist_head *list;
 
        l = scalloc(1, sizeof(*l));
        INIT_FLIST_HEAD(&l->io_logs);
@@ -584,9 +609,21 @@ void setup_log(struct io_log **log, struct log_params *p,
        l->log_gz = p->log_gz;
        l->log_gz_store = p->log_gz_store;
        l->avg_msec = p->avg_msec;
+       l->hist_msec = p->hist_msec;
+       l->hist_coarseness = p->hist_coarseness;
        l->filename = strdup(filename);
        l->td = p->td;
 
+       /* Initialize histogram lists for each r/w direction,
+        * with initial io_u_plat of all zeros:
+        */
+       for (i = 0; i < DDIR_RWDIR_CNT; i++) {
+               list = &l->hist_window[i].list;
+               INIT_FLIST_HEAD(list);
+               entry = calloc(1, sizeof(struct io_u_plat_entry));
+               flist_add(&entry->list, list);
+       }
+
        if (l->td && l->td->o.io_submit_mode != IO_MODE_OFFLOAD) {
                struct io_logs *p;
 
@@ -659,6 +696,67 @@ void free_log(struct io_log *log)
        sfree(log);
 }
 
+unsigned long hist_sum(int j, int stride, unsigned int *io_u_plat,
+               unsigned int *io_u_plat_last)
+{
+       unsigned long sum;
+       int k;
+
+       if (io_u_plat_last) {
+               for (k = sum = 0; k < stride; k++)
+                       sum += io_u_plat[j + k] - io_u_plat_last[j + k];
+       } else {
+               for (k = sum = 0; k < stride; k++)
+                       sum += io_u_plat[j + k];
+       }
+
+       return sum;
+}
+
+static void flush_hist_samples(FILE *f, int hist_coarseness, void *samples,
+                              uint64_t sample_size)
+{
+       struct io_sample *s;
+       int log_offset;
+       uint64_t i, j, nr_samples;
+       struct io_u_plat_entry *entry, *entry_before;
+       unsigned int *io_u_plat;
+       unsigned int *io_u_plat_before;
+
+       int stride = 1 << hist_coarseness;
+       
+       if (!sample_size)
+               return;
+
+       s = __get_sample(samples, 0, 0);
+       log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0;
+
+       nr_samples = sample_size / __log_entry_sz(log_offset);
+
+       for (i = 0; i < nr_samples; i++) {
+               s = __get_sample(samples, log_offset, i);
+
+               entry = s->data.plat_entry;
+               io_u_plat = entry->io_u_plat;
+
+               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);
+               for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) {
+                       fprintf(f, "%lu, ", hist_sum(j, stride, io_u_plat,
+                                               io_u_plat_before));
+               }
+               fprintf(f, "%lu\n", (unsigned long)
+                       hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat,
+                                       io_u_plat_before));
+
+               flist_del(&entry_before->list);
+               free(entry_before);
+       }
+}
+
 void flush_samples(FILE *f, void *samples, uint64_t sample_size)
 {
        struct io_sample *s;
@@ -677,16 +775,16 @@ void flush_samples(FILE *f, void *samples, uint64_t sample_size)
                s = __get_sample(samples, log_offset, i);
 
                if (!log_offset) {
-                       fprintf(f, "%lu, %lu, %u, %u\n",
+                       fprintf(f, "%lu, %" PRId64 ", %u, %u\n",
                                        (unsigned long) s->time,
-                                       (unsigned long) s->val,
+                                       s->data.val,
                                        io_sample_ddir(s), s->bs);
                } else {
                        struct io_sample_offset *so = (void *) s;
 
-                       fprintf(f, "%lu, %lu, %u, %u, %llu\n",
+                       fprintf(f, "%lu, %" PRId64 ", %u, %u, %llu\n",
                                        (unsigned long) s->time,
-                                       (unsigned long) s->val,
+                                       s->data.val,
                                        io_sample_ddir(s), s->bs,
                                        (unsigned long long) so->offset);
                }
@@ -988,7 +1086,13 @@ void flush_log(struct io_log *log, bool do_append)
 
                cur_log = flist_first_entry(&log->io_logs, struct io_logs, list);
                flist_del_init(&cur_log->list);
-               flush_samples(f, cur_log->log, cur_log->nr_samples * log_entry_sz(log));
+               
+               if (log->td && log == log->td->clat_hist_log)
+                       flush_hist_samples(f, log->hist_coarseness, cur_log->log,
+                                          log_sample_sz(log, cur_log));
+               else
+                       flush_samples(f, cur_log->log, log_sample_sz(log, cur_log));
+               
                sfree(cur_log);
        }
 
@@ -1071,7 +1175,8 @@ static int gz_work(struct iolog_flush_data *data)
                                data->log->filename);
        do {
                if (c)
-                       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, c->len);
+                       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq,
+                               (unsigned long) c->len);
                c = get_new_chunk(seq);
                stream.avail_out = GZ_CHUNK;
                stream.next_out = c->buf;
@@ -1108,7 +1213,7 @@ static int gz_work(struct iolog_flush_data *data)
        total -= c->len;
        c->len = GZ_CHUNK - stream.avail_out;
        total += c->len;
-       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, c->len);
+       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, (unsigned long) c->len);
 
        if (ret != Z_STREAM_END) {
                do {
@@ -1119,7 +1224,8 @@ static int gz_work(struct iolog_flush_data *data)
                        c->len = GZ_CHUNK - stream.avail_out;
                        total += c->len;
                        flist_add_tail(&c->list, &list);
-                       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, c->len);
+                       dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq,
+                               (unsigned long) c->len);
                } while (ret != Z_STREAM_END);
        }
 
@@ -1353,6 +1459,20 @@ static int write_clat_log(struct thread_data *td, int try, bool unit_log)
        return ret;
 }
 
+static int write_clat_hist_log(struct thread_data *td, int try, bool unit_log)
+{
+       int ret;
+
+       if (!unit_log)
+               return 0;
+
+       ret = __write_log(td, td->clat_hist_log, try);
+       if (!ret)
+               td->clat_hist_log = NULL;
+
+       return ret;
+}
+
 static int write_lat_log(struct thread_data *td, int try, bool unit_log)
 {
        int ret;
@@ -1387,8 +1507,9 @@ enum {
        SLAT_LOG_MASK   = 4,
        CLAT_LOG_MASK   = 8,
        IOPS_LOG_MASK   = 16,
+       CLAT_HIST_LOG_MASK = 32,
 
-       ALL_LOG_NR      = 5,
+       ALL_LOG_NR      = 6,
 };
 
 struct log_type {
@@ -1417,6 +1538,10 @@ static struct log_type log_types[] = {
                .mask   = IOPS_LOG_MASK,
                .fn     = write_iops_log,
        },
+       {
+               .mask   = CLAT_HIST_LOG_MASK,
+               .fn     = write_clat_hist_log,
+       }
 };
 
 void td_writeout_logs(struct thread_data *td, bool unit_logs)