iolog: dprint() casts for 32-bit warnings
[fio.git] / iolog.c
diff --git a/iolog.c b/iolog.c
index ff521df4719818e2ecf368ef021e1763be5a1f3b..6576ca55237e58668bb892d1f4b1ec227eaef515 100644 (file)
--- a/iolog.c
+++ b/iolog.c
@@ -576,6 +576,9 @@ 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 +587,21 @@ 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 +674,67 @@ void free_log(struct io_log *log)
        sfree(log);
 }
 
+inline 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 = (struct io_u_plat_entry *) (uintptr_t) s->val;
+               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;
@@ -965,7 +1041,7 @@ int iolog_file_inflate(const char *file)
 
 #endif
 
-void flush_log(struct io_log *log, int do_append)
+void flush_log(struct io_log *log, bool do_append)
 {
        void *buf;
        FILE *f;
@@ -988,7 +1064,13 @@ void flush_log(struct io_log *log, int 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 == 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 +1153,8 @@ 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 +1191,7 @@ 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 +1202,8 @@ 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 +1437,20 @@ 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 +1485,9 @@ 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 +1516,10 @@ 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)