[PATCH] Add support for writing aggregate bandwidth log
This is the same that is shown while fio is running, it can be useful
for graphing purposes as well.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/stat.c b/stat.c
index d8b065e..636955e 100644
--- a/stat.c
+++ b/stat.c
@@ -381,7 +381,7 @@
if (!(td->io_bytes[0] + td->io_bytes[1]) && !td->error)
return;
- fprintf(f_out, "%s: (groupid=%d): err=%2d:\n",td->name, td->groupid, td->error);
+ fprintf(f_out, "%s: (groupid=%d): err=%2d: pid=%d\n",td->name, td->groupid, td->error, td->pid);
show_ddir_status(td, rs, td->ddir);
if (td->io_bytes[td->ddir ^ 1])
@@ -574,8 +574,8 @@
is->samples++;
}
-static void add_log_sample(struct thread_data *td, struct io_log *iolog,
- unsigned long val, enum fio_ddir ddir)
+static void __add_log_sample(struct io_log *iolog, unsigned long val,
+ enum fio_ddir ddir, unsigned long time)
{
if (iolog->nr_samples == iolog->max_samples) {
int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
@@ -585,11 +585,24 @@
}
iolog->log[iolog->nr_samples].val = val;
- iolog->log[iolog->nr_samples].time = mtime_since_now(&td->epoch);
+ iolog->log[iolog->nr_samples].time = time;
iolog->log[iolog->nr_samples].ddir = ddir;
iolog->nr_samples++;
}
+static void add_log_sample(struct thread_data *td, struct io_log *iolog,
+ unsigned long val, enum fio_ddir ddir)
+{
+ __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch));
+}
+
+void add_agg_sample(unsigned long val, enum fio_ddir ddir)
+{
+ struct io_log *iolog = agg_io_log[ddir];
+
+ __add_log_sample(iolog, val, ddir, mtime_since_genesis());
+}
+
void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
unsigned long msec)
{