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Code Issues Releases Wiki Activity

Only wait in the bflsc scanwork loop if the queues are satisfactorily filled.

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This commit is contained in:
Con Kolivas 2013-06-19 10:40:03 +10:00
parent fa881badf4
commit a49969908c
1 changed files with 14 additions and 3 deletions
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17
driver-bflsc.c
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@ -1796,10 +1796,10 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
{ {
struct cgpu_info *bflsc = thr->cgpu; struct cgpu_info *bflsc = thr->cgpu;
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data); struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
int dev, waited = 0, i, min_queued;
int64_t ret, unsent; int64_t ret, unsent;
bool flushed, cleanup; bool flushed, cleanup;
struct work *work, *tmp; struct work *work, *tmp;
int dev, waited, i;
// Device is gone // Device is gone
if (bflsc->usbinfo.nodev) 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) { if (waited == ETIMEDOUT) {
unsigned int old_sleep_time, new_sleep_time = 0; 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 /* Only adjust the scan_sleep_time if we did not receive a
* restart message while waiting. Try to adjust sleep time * restart message while waiting. Try to adjust sleep time
* so we drop to sc_info->que_watermark before getting more work. * so we drop to sc_info->que_watermark before getting more work.