Commit a49969908cacbde175cc5d02d7a68f2d4e311e79
2013-06-19T10:40:03
Only wait in the bflsc scanwork loop if the queues are satisfactorily filled.
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diff --git a/driver-bflsc.c b/driver-bflsc.c
index 95ab2fa..ca95d0a 100644
--- a/driver-bflsc.c
+++ b/driver-bflsc.c
@@ -1796,10 +1796,10 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
{
struct cgpu_info *bflsc = thr->cgpu;
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
+ int dev, waited = 0, i, min_queued;
int64_t ret, unsent;
bool flushed, cleanup;
struct work *work, *tmp;
- int dev, waited, i;
// Device is gone
if (bflsc->usbinfo.nodev)
@@ -1845,10 +1845,21 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
}
}
- waited = restart_wait(sc_info->scan_sleep_time);
+ min_queued = sc_info->que_size;
+
+ rd_lock(&sc_info->stat_lock);
+ for (i = 0; i < sc_info->sc_count; i++) {
+ if (sc_info->sc_devs[i].work_queued < min_queued)
+ min_queued = sc_info->sc_devs[i].work_queued;
+ }
+ rd_unlock(&sc_info->stat_lock);
+
+ if (min_queued >= sc_info->que_watermark)
+ waited = restart_wait(sc_info->scan_sleep_time);
if (waited == ETIMEDOUT) {
unsigned int old_sleep_time, new_sleep_time = 0;
- int min_queued = sc_info->que_size;
+
+ min_queued = sc_info->que_size;
/* Only adjust the scan_sleep_time if we did not receive a
* restart message while waiting. Try to adjust sleep time
* so we drop to sc_info->que_watermark before getting more work.