l = calloc(1, sizeof(*l));
l->nr_samples = 0;
- l->max_samples = 1024;
+ l->max_samples = DEF_LOG_ENTRIES;
l->log_type = p->log_type;
l->log_offset = p->log_offset;
l->log_gz = p->log_gz;
free(log);
}
-static void flush_samples(FILE *f, void *samples, uint64_t sample_size)
+void flush_samples(FILE *f, void *samples, uint64_t sample_size)
{
struct io_sample *s;
int log_offset;
struct iolog_flush_data {
struct workqueue_work work;
- pthread_mutex_t lock;
- pthread_cond_t cv;
- int wait;
- volatile int done;
- volatile int refs;
struct io_log *log;
void *samples;
uint64_t nr_samples;
};
-struct iolog_compress {
- struct flist_head list;
- void *buf;
- size_t len;
- unsigned int seq;
-};
-
#define GZ_CHUNK 131072
static struct iolog_compress *get_new_chunk(unsigned int seq)
} else
fio_lock_file(log->filename);
- if (td->client_type == FIO_CLIENT_TYPE_GUI)
+ if (td->client_type == FIO_CLIENT_TYPE_GUI || is_backend)
fio_send_iolog(td, log, log->filename);
else
flush_log(log, !td->o.per_job_logs);
return 0;
}
+size_t log_chunk_sizes(struct io_log *log)
+{
+ struct flist_head *entry;
+ size_t ret;
+
+ if (flist_empty(&log->chunk_list))
+ return 0;
+
+ ret = 0;
+ pthread_mutex_lock(&log->chunk_lock);
+ flist_for_each(entry, &log->chunk_list) {
+ struct iolog_compress *c;
+
+ c = flist_entry(entry, struct iolog_compress, list);
+ ret += c->len;
+ }
+ pthread_mutex_unlock(&log->chunk_lock);
+ return ret;
+}
+
#ifdef CONFIG_ZLIB
-/*
- * Invoked from our compress helper thread, when logging would have exceeded
- * the specified memory limitation. Compresses the previously stored
- * entries.
- */
-static int gz_work(struct submit_worker *sw, struct workqueue_work *work)
+static int gz_work(struct iolog_flush_data *data)
{
- struct iolog_flush_data *data;
struct iolog_compress *c;
struct flist_head list;
unsigned int seq;
INIT_FLIST_HEAD(&list);
- data = container_of(work, struct iolog_flush_data, work);
-
stream.zalloc = Z_NULL;
stream.zfree = Z_NULL;
stream.opaque = Z_NULL;
ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
if (ret != Z_OK) {
log_err("fio: failed to init gz stream\n");
- return 0;
+ goto err;
}
seq = ++data->log->chunk_seq;
ret = 0;
done:
- if (data->wait) {
- int refs;
-
- pthread_mutex_lock(&data->lock);
- data->done = 1;
- pthread_cond_signal(&data->cv);
- refs = --data->refs;
- pthread_mutex_unlock(&data->lock);
- if (!refs)
- free(data);
- } else
- free(data);
+ free(data);
return ret;
err:
while (!flist_empty(&list)) {
goto done;
}
+/*
+ * Invoked from our compress helper thread, when logging would have exceeded
+ * the specified memory limitation. Compresses the previously stored
+ * entries.
+ */
+static int gz_work_async(struct submit_worker *sw, struct workqueue_work *work)
+{
+ return gz_work(container_of(work, struct iolog_flush_data, work));
+}
+
+static int gz_init_worker(struct submit_worker *sw)
+{
+ struct thread_data *td = sw->wq->td;
+
+ if (!fio_option_is_set(&td->o, log_gz_cpumask))
+ return 0;
+
+ if (fio_setaffinity(gettid(), td->o.log_gz_cpumask) == -1) {
+ log_err("gz: failed to set CPU affinity\n");
+ return 1;
+ }
+
+ return 0;
+}
+
static struct workqueue_ops log_compress_wq_ops = {
- .fn = gz_work,
- .nice = 1,
+ .fn = gz_work_async,
+ .init_worker_fn = gz_init_worker,
+ .nice = 1,
};
-int iolog_compress_init(struct thread_data *td)
+int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out)
{
if (!(td->flags & TD_F_COMPRESS_LOG))
return 0;
- workqueue_init(td, &td->log_compress_wq, &log_compress_wq_ops, 1);
+ workqueue_init(td, &td->log_compress_wq, &log_compress_wq_ops, 1, sk_out);
return 0;
}
}
/*
- * Queue work item to compress the existing log entries. We copy the
- * samples, and reset the log sample count to 0 (so the logging will
- * continue to use the memory associated with the log). If called with
- * wait == 1, will not return until the log compression has completed.
+ * Queue work item to compress the existing log entries. We reset the
+ * current log to a small size, and reference the existing log in the
+ * data that we queue for compression. Once compression has been done,
+ * this old log is freed. If called with wait == 1, will not return until
+ * the log compression has completed.
*/
int iolog_flush(struct io_log *log, int wait)
{
struct iolog_flush_data *data;
- size_t sample_size;
+
+ io_u_quiesce(log->td);
data = malloc(sizeof(*data));
if (!data)
data->log = log;
- sample_size = log->nr_samples * log_entry_sz(log);
- data->samples = malloc(sample_size);
- if (!data->samples) {
- free(data);
- return 1;
- }
-
- memcpy(data->samples, log->log, sample_size);
+ data->samples = log->log;
data->nr_samples = log->nr_samples;
- log->nr_samples = 0;
-
- if (wait) {
- pthread_mutex_init(&data->lock, NULL);
- pthread_cond_init(&data->cv, NULL);
- data->done = 0;
- data->wait = 1;
- data->refs = 2;
- } else
- data->wait = 0;
- workqueue_enqueue(&log->td->log_compress_wq, &data->work);
-
- if (wait) {
- int refs;
+ log->nr_samples = 0;
+ log->max_samples = DEF_LOG_ENTRIES;
+ log->log = malloc(log->max_samples * log_entry_sz(log));
- pthread_mutex_lock(&data->lock);
- while (!data->done)
- pthread_cond_wait(&data->cv, &data->lock);
- refs = --data->refs;
- pthread_mutex_unlock(&data->lock);
- if (!refs)
- free(data);
- }
+ if (!wait)
+ workqueue_enqueue(&log->td->log_compress_wq, &data->work);
+ else
+ gz_work(data);
return 0;
}
return 1;
}
+int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out)
+{
+ return 0;
+}
+
+void iolog_compress_exit(struct thread_data *td)
+{
+}
+
#endif
-static int write_iops_log(struct thread_data *td, int try)
+static int __write_log(struct thread_data *td, struct io_log *log, int try)
{
- struct io_log *log = td->iops_log;
+ if (log)
+ return finish_log(td, log, try);
- if (!log)
- return 0;
+ return 0;
+}
- return finish_log(td, log, try);
+static int write_iops_log(struct thread_data *td, int try)
+{
+ return __write_log(td, td->iops_log, try);
}
static int write_slat_log(struct thread_data *td, int try)
{
- struct io_log *log = td->slat_log;
-
- if (!log)
- return 0;
-
- return finish_log(td, log, try);
+ return __write_log(td, td->slat_log, try);
}
static int write_clat_log(struct thread_data *td, int try)
{
- struct io_log *log = td->clat_log;
-
- if (!log)
- return 0;
-
- return finish_log(td, log, try);
+ return __write_log(td, td->clat_log, try);
}
static int write_lat_log(struct thread_data *td, int try)
{
- struct io_log *log = td->lat_log;
-
- if (!log)
- return 0;
-
- return finish_log(td, log, try);
+ return __write_log(td, td->lat_log, try);
}
static int write_bandw_log(struct thread_data *td, int try)
{
- struct io_log *log = td->bw_log;
-
- if (!log)
- return 0;
-
- return finish_log(td, log, try);
+ return __write_log(td, td->bw_log, try);
}
enum {
projects / fio.git / blobdiff