Browse Source

klondike rewrite work control

nfactor-troky
Kano 11 years ago
parent
commit
03d9f56a9d
  1. 222
      driver-klondike.c

222
driver-klondike.c

@ -44,6 +44,20 @@
#define MAX_WORK_COUNT 4 // for now, must be binary multiple and match firmware #define MAX_WORK_COUNT 4 // for now, must be binary multiple and match firmware
#define TACH_FACTOR 87890 // fan rpm divisor #define TACH_FACTOR 87890 // fan rpm divisor
/*
* Work older than 5s will already be completed
* FYI it must not be possible to complete 256 work
* items this quickly on a single device -
* thus limited to 219.9GH/s per device
*/
#define OLD_WORK_MS ((int)(5 * 1000))
/*
* If the queue status hasn't been updated for this long
* then do it now
*/
#define LATE_UPDATE_MS ((int)(4 * 1000))
struct device_drv klondike_drv; struct device_drv klondike_drv;
typedef struct klondike_header { typedef struct klondike_header {
@ -152,6 +166,11 @@ typedef struct klist {
bool working; bool working;
} KLIST; } KLIST;
typedef struct jobque {
int workqc;
struct timeval last_update;
} JOBQUE;
struct klondike_info { struct klondike_info {
bool shutdown; bool shutdown;
pthread_rwlock_t stat_lock; pthread_rwlock_t stat_lock;
@ -165,6 +184,7 @@ struct klondike_info {
KLIST *status; KLIST *status;
DEVINFO *devinfo; DEVINFO *devinfo;
KLIST *cfg; KLIST *cfg;
JOBQUE *jobque;
int noncecount; int noncecount;
uint64_t hashcount; uint64_t hashcount;
uint64_t errorcount; uint64_t errorcount;
@ -183,6 +203,11 @@ struct klondike_info {
double nonce_total; double nonce_total;
double nonce_min; double nonce_min;
double nonce_max; double nonce_max;
int wque_size;
int wque_cleared;
bool initialised;
}; };
static KLIST *new_klist_set(struct cgpu_info *klncgpu) static KLIST *new_klist_set(struct cgpu_info *klncgpu)
@ -254,7 +279,7 @@ static KLIST *allocate_kitem(struct cgpu_info *klncgpu)
return kitem; return kitem;
} }
static void release_kitem(struct cgpu_info *klncgpu, KLIST *kitem) static KLIST *release_kitem(struct cgpu_info *klncgpu, KLIST *kitem)
{ {
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data); struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
@ -279,6 +304,8 @@ static void release_kitem(struct cgpu_info *klncgpu, KLIST *kitem)
klninfo->used_count--; klninfo->used_count--;
cg_wunlock(&klninfo->klist_lock); cg_wunlock(&klninfo->klist_lock);
return NULL;
} }
static double cvtKlnToC(uint8_t temp) static double cvtKlnToC(uint8_t temp)
@ -455,7 +482,9 @@ static bool klondike_get_stats(struct cgpu_info *klncgpu)
applog(LOG_DEBUG, "Klondike getting status"); applog(LOG_DEBUG, "Klondike getting status");
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount; slaves = klninfo->status[0].kline.ws.slavecount;
rd_unlock(&(klninfo->stat_lock));
// loop thru devices and get status for each // loop thru devices and get status for each
for (dev = 0; dev <= slaves; dev++) { for (dev = 0; dev <= slaves; dev++) {
@ -464,10 +493,11 @@ static bool klondike_get_stats(struct cgpu_info *klncgpu)
kitem = SendCmdGetReply(klncgpu, &kline, 0); kitem = SendCmdGetReply(klncgpu, &kline, 0);
if (kitem != NULL) { if (kitem != NULL) {
wr_lock(&(klninfo->stat_lock)); wr_lock(&(klninfo->stat_lock));
memcpy((void *)(&(klninfo->status[dev])), (void *)kitem, sizeof(*kitem)); memcpy((void *)(&(klninfo->status[dev])),
(void *)kitem,
sizeof(klninfo->status[dev]));
wr_unlock(&(klninfo->stat_lock)); wr_unlock(&(klninfo->stat_lock));
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
kitem = NULL;
} }
} }
@ -483,6 +513,8 @@ static bool klondike_init(struct cgpu_info *klncgpu)
KLINE kline; KLINE kline;
int slaves, dev; int slaves, dev;
klninfo->initialised = false;
kline.hd.cmd = 'S'; kline.hd.cmd = 'S';
kline.hd.dev = 0; kline.hd.dev = 0;
kitem = SendCmdGetReply(klncgpu, &kline, 0); kitem = SendCmdGetReply(klncgpu, &kline, 0);
@ -490,23 +522,27 @@ static bool klondike_init(struct cgpu_info *klncgpu)
return false; return false;
slaves = kitem->kline.ws.slavecount; slaves = kitem->kline.ws.slavecount;
release_kitem(klncgpu, kitem);
kitem = NULL;
if (klninfo->status == NULL) { if (klninfo->status == NULL) {
applog(LOG_DEBUG, "Klondike initializing data"); applog(LOG_DEBUG, "Klondike initializing data");
// alloc space for status, devinfo and cfg for master and slaves // alloc space for status, devinfo, cfg and jobque for master and slaves
klninfo->status = calloc(slaves+1, sizeof(KLIST)); klninfo->status = calloc(slaves+1, sizeof(*(klninfo->status)));
if (unlikely(!klninfo->status)) if (unlikely(!klninfo->status))
quit(1, "Failed to calloc status array in klondke_get_stats"); quit(1, "Failed to calloc status array in klondke_get_stats");
klninfo->devinfo = calloc(slaves+1, sizeof(DEVINFO)); klninfo->devinfo = calloc(slaves+1, sizeof(*(klninfo->devinfo)));
if (unlikely(!klninfo->devinfo)) if (unlikely(!klninfo->devinfo))
quit(1, "Failed to calloc devinfo array in klondke_get_stats"); quit(1, "Failed to calloc devinfo array in klondke_get_stats");
klninfo->cfg = calloc(slaves+1, sizeof(KLIST)); klninfo->cfg = calloc(slaves+1, sizeof(*(klninfo->cfg)));
if (unlikely(!klninfo->cfg)) if (unlikely(!klninfo->cfg))
quit(1, "Failed to calloc cfg array in klondke_get_stats"); quit(1, "Failed to calloc cfg array in klondke_get_stats");
klninfo->jobque = calloc(slaves+1, sizeof(*(klninfo->jobque)));
if (unlikely(!klninfo->jobque))
quit(1, "Failed to calloc jobque array in klondke_get_stats");
} }
memcpy((void *)(&(klninfo->status[0])), (void *)kitem, sizeof(klninfo->status[0]));
kitem = release_kitem(klncgpu, kitem);
// zero init triggers read back only // zero init triggers read back only
memset(&(kline.cfg), 0, sizeof(kline.cfg)); memset(&(kline.cfg), 0, sizeof(kline.cfg));
kline.cfg.cmd = 'C'; kline.cfg.cmd = 'C';
@ -533,17 +569,17 @@ static bool klondike_init(struct cgpu_info *klncgpu)
kline.cfg.dev = dev; kline.cfg.dev = dev;
kitem = SendCmdGetReply(klncgpu, &kline, size); kitem = SendCmdGetReply(klncgpu, &kline, size);
if (kitem != NULL) { if (kitem != NULL) {
memcpy((void *)&(klninfo->cfg[dev]), kitem, sizeof(*kitem)); memcpy((void *)&(klninfo->cfg[dev]), kitem, sizeof(klninfo->cfg[dev]));
applog(LOG_WARNING, "Klondike config (%d: Clk: %d, T:%.0lf, C:%.0lf, F:%d)", applog(LOG_WARNING, "Klondike config (%d: Clk: %d, T:%.0lf, C:%.0lf, F:%d)",
dev, K_HASHCLOCK(klninfo->cfg[dev].kline.cfg.hashclock), dev, K_HASHCLOCK(klninfo->cfg[dev].kline.cfg.hashclock),
cvtKlnToC(klninfo->cfg[dev].kline.cfg.temptarget), cvtKlnToC(klninfo->cfg[dev].kline.cfg.temptarget),
cvtKlnToC(klninfo->cfg[dev].kline.cfg.tempcritical), cvtKlnToC(klninfo->cfg[dev].kline.cfg.tempcritical),
(int)100*klninfo->cfg[dev].kline.cfg.fantarget/256); (int)100*klninfo->cfg[dev].kline.cfg.fantarget/256);
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
kitem = NULL;
} }
} }
klondike_get_stats(klncgpu); klondike_get_stats(klncgpu);
klninfo->initialised = true;
for (dev = 0; dev <= slaves; dev++) { for (dev = 0; dev <= slaves; dev++) {
klninfo->devinfo[dev].rangesize = ((uint64_t)1<<32) / klninfo->status[dev].kline.ws.chipcount; klninfo->devinfo[dev].rangesize = ((uint64_t)1<<32) / klninfo->status[dev].kline.ws.chipcount;
klninfo->devinfo[dev].chipstats = calloc(klninfo->status[dev].kline.ws.chipcount*2 , sizeof(uint32_t)); klninfo->devinfo[dev].chipstats = calloc(klninfo->status[dev].kline.ws.chipcount*2 , sizeof(uint32_t));
@ -559,12 +595,13 @@ static bool klondike_init(struct cgpu_info *klncgpu)
while (tries-- > 0) { while (tries-- > 0) {
kitem = SendCmdGetReply(klncgpu, &kline, 1); kitem = SendCmdGetReply(klncgpu, &kline, 1);
if (kitem) { if (kitem) {
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
kitem = NULL;
ok = true; ok = true;
break; break;
} }
cgsleep_ms(50);
} }
cgsleep_ms(50);
if (!ok) if (!ok)
applog(LOG_ERR, "%s%i: failed to enable", klncgpu->drv->name, klncgpu->device_id); applog(LOG_ERR, "%s%i: failed to enable", klncgpu->drv->name, klncgpu->device_id);
@ -572,6 +609,21 @@ static bool klondike_init(struct cgpu_info *klncgpu)
return ok; return ok;
} }
static void control_init(struct cgpu_info *klncgpu)
{
int err, interface;
if (klncgpu->usbinfo.nodev)
return;
interface = usb_interface(klncgpu);
err = usb_transfer(klncgpu, 0, 9, 1, interface, C_RESET);
applog(LOG_DEBUG, "%s%i: reset got err %d",
klncgpu->drv->name, klncgpu->device_id, err);
}
static bool klondike_detect_one(struct libusb_device *dev, struct usb_find_devices *found) static bool klondike_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{ {
struct cgpu_info *klncgpu = usb_alloc_cgpu(&klondike_drv, 1); struct cgpu_info *klncgpu = usb_alloc_cgpu(&klondike_drv, 1);
@ -592,6 +644,8 @@ static bool klondike_detect_one(struct libusb_device *dev, struct usb_find_devic
KLIST kitem; KLIST kitem;
int attempts = 0; int attempts = 0;
control_init(klncgpu);
while (attempts++ < 3) { while (attempts++ < 3) {
err = usb_write(klncgpu, "I", 2, &sent, C_REQUESTRESULTS); err = usb_write(klncgpu, "I", 2, &sent, C_REQUESTRESULTS);
if (err < 0 || sent != 2) { if (err < 0 || sent != 2) {
@ -613,10 +667,11 @@ static bool klondike_detect_one(struct libusb_device *dev, struct usb_find_devic
klncgpu->device_path, klncgpu->device_path,
recd); recd);
} else if (kitem.kline.hd.cmd == 'I' && kitem.kline.hd.dev == 0) { } else if (kitem.kline.hd.cmd == 'I' && kitem.kline.hd.dev == 0) {
display_kline(klncgpu, &kitem.kline); display_kline(klncgpu, &kitem.kline);
applog(LOG_DEBUG, "%s (%s) detect successful", applog(LOG_DEBUG, "%s (%s) detect successful (%d attempt%s)",
klncgpu->drv->dname, klncgpu->drv->dname,
klncgpu->device_path); klncgpu->device_path,
attempts, attempts == 1 ? "" : "s");
if (!add_cgpu(klncgpu)) if (!add_cgpu(klncgpu))
break; break;
update_usb_stats(klncgpu); update_usb_stats(klncgpu);
@ -652,7 +707,7 @@ static void klondike_identify(__maybe_unused struct cgpu_info *klncgpu)
static void klondike_check_nonce(struct cgpu_info *klncgpu, KLIST *kitem) static void klondike_check_nonce(struct cgpu_info *klncgpu, KLIST *kitem)
{ {
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data); struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
struct work *work, *tmp; struct work *work, *look, *tmp;
KLINE *kline = &(kitem->kline); KLINE *kline = &(kitem->kline);
struct timeval tv_now; struct timeval tv_now;
double us_diff; double us_diff;
@ -661,9 +716,19 @@ static void klondike_check_nonce(struct cgpu_info *klncgpu, KLIST *kitem)
applog(LOG_DEBUG, "Klondike FOUND NONCE (%02x:%08x)", applog(LOG_DEBUG, "Klondike FOUND NONCE (%02x:%08x)",
kline->wr.workid, (unsigned int)nonce); kline->wr.workid, (unsigned int)nonce);
HASH_ITER(hh, klncgpu->queued_work, work, tmp) { work = NULL;
if (work->queued && (work->subid == (kline->wr.dev*256 + kline->wr.workid))) { cgtime(&tv_now);
rd_lock(&(klncgpu->qlock));
HASH_ITER(hh, klncgpu->queued_work, look, tmp) {
if (look->queued && ms_tdiff(&tv_now, &(look->tv_stamp)) < OLD_WORK_MS &&
(look->subid == (kline->wr.dev*256 + kline->wr.workid))) {
work = look;
break;
}
}
rd_unlock(&(klncgpu->qlock));
if (work) {
wr_lock(&(klninfo->stat_lock)); wr_lock(&(klninfo->stat_lock));
klninfo->devinfo[kline->wr.dev].noncecount++; klninfo->devinfo[kline->wr.dev].noncecount++;
klninfo->noncecount++; klninfo->noncecount++;
@ -716,7 +781,6 @@ static void klondike_check_nonce(struct cgpu_info *klncgpu, KLIST *kitem)
return; return;
} }
}
applog(LOG_ERR, "%s%i:%d unknown work (%02x:%08x) - ignored", applog(LOG_ERR, "%s%i:%d unknown work (%02x:%08x) - ignored",
klncgpu->drv->name, klncgpu->device_id, klncgpu->drv->name, klncgpu->device_id,
@ -732,9 +796,9 @@ static void *klondike_get_replies(void *userdata)
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data); struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem = NULL; KLIST *kitem = NULL;
char *hexdata; char *hexdata;
int err, recd; int err, recd, slaves;
applog(LOG_ERR, "Klondike listening for replies"); applog(LOG_DEBUG, "Klondike listening for replies");
while (klninfo->shutdown == false) { while (klninfo->shutdown == false) {
if (klncgpu->usbinfo.nodev) if (klncgpu->usbinfo.nodev)
@ -757,6 +821,22 @@ static void *klondike_get_replies(void *userdata)
free(hexdata); free(hexdata);
} }
// We can't check this until it's initialised
if (klninfo->initialised) {
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount;
rd_unlock(&(klninfo->stat_lock));
if (kitem->kline.hd.dev > slaves) {
applog(LOG_ERR, "%s%i: reply [%c] has invalid dev=%d (max=%d) using 0",
klncgpu->drv->name, klncgpu->device_id,
(char)(kitem->kline.hd.cmd),
(int)(kitem->kline.hd.dev),
slaves);
kitem->kline.hd.dev = 0;
}
}
switch (kitem->kline.hd.cmd) { switch (kitem->kline.hd.cmd) {
case '=': case '=':
klondike_check_nonce(klncgpu, kitem); klondike_check_nonce(klncgpu, kitem);
@ -765,6 +845,25 @@ static void *klondike_get_replies(void *userdata)
case 'S': case 'S':
case 'W': case 'W':
case 'A': case 'A':
// We can't do/check this until it's initialised
if (klninfo->initialised) {
wr_lock(&(klninfo->stat_lock));
klninfo->jobque[kitem->kline.ws.dev].workqc =
(int)(kitem->kline.ws.workqc);
cgtime(&(klninfo->jobque[kitem->kline.ws.dev].last_update));
slaves = klninfo->status[0].kline.ws.slavecount;
wr_unlock(&(klninfo->stat_lock));
if (kitem->kline.ws.slavecount != slaves) {
applog(LOG_ERR, "%s%i: reply [%c] has a diff # of slaves=%d (curr=%d) dropping device to hotplug",
klncgpu->drv->name, klncgpu->device_id,
(char)(kitem->kline.ws.cmd),
(int)(kitem->kline.ws.slavecount),
slaves);
klninfo->shutdown = true;
break;
}
}
case 'E': case 'E':
wr_lock(&(klninfo->stat_lock)); wr_lock(&(klninfo->stat_lock));
klninfo->errorcount += kitem->kline.ws.errorcount; klninfo->errorcount += kitem->kline.ws.errorcount;
@ -803,17 +902,20 @@ static void klondike_flush_work(struct cgpu_info *klncgpu)
klninfo->block_seq++; klninfo->block_seq++;
applog(LOG_DEBUG, "Klondike flushing work"); applog(LOG_DEBUG, "Klondike flushing work");
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount; slaves = klninfo->status[0].kline.ws.slavecount;
rd_unlock(&(klninfo->stat_lock));
kline.hd.cmd = 'A'; kline.hd.cmd = 'A';
for (dev = 0; dev <= slaves; dev++) { for (dev = 0; dev <= slaves; dev++) {
kline.hd.dev = dev; kline.hd.dev = dev;
kitem = SendCmdGetReply(klncgpu, &kline, KSENDHD(0)); kitem = SendCmdGetReply(klncgpu, &kline, KSENDHD(0));
if (kitem != NULL) { if (kitem != NULL) {
wr_lock(&(klninfo->stat_lock)); wr_lock(&(klninfo->stat_lock));
memcpy((void *)&(klninfo->status[dev]), kitem, sizeof(*kitem)); memcpy((void *)&(klninfo->status[dev]),
kitem,
sizeof(klninfo->status[dev]));
wr_unlock(&(klninfo->stat_lock)); wr_unlock(&(klninfo->stat_lock));
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
kitem = NULL;
} }
} }
} }
@ -862,7 +964,7 @@ static void klondike_shutdown(struct thr_info *thr)
kline.hd.buf[0] = '0'; kline.hd.buf[0] = '0';
kitem = SendCmdGetReply(klncgpu, &kline, KSENDHD(1)); kitem = SendCmdGetReply(klncgpu, &kline, KSENDHD(1));
if (kitem) if (kitem)
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
} }
klncgpu->shutdown = klninfo->shutdown = true; klncgpu->shutdown = klninfo->shutdown = true;
} }
@ -888,8 +990,10 @@ static void klondike_thread_enable(struct thr_info *thr)
static bool klondike_send_work(struct cgpu_info *klncgpu, int dev, struct work *work) static bool klondike_send_work(struct cgpu_info *klncgpu, int dev, struct work *work)
{ {
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data); struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
struct work *tmp; struct work *look, *tmp;
KLINE kline; KLINE kline;
struct timeval tv_old;
int wque_size, wque_cleared;
if (klncgpu->usbinfo.nodev) if (klncgpu->usbinfo.nodev)
return false; return false;
@ -900,6 +1004,7 @@ static bool klondike_send_work(struct cgpu_info *klncgpu, int dev, struct work *
memcpy(kline.wt.merkle, work->data + MERKLE_OFFSET, MERKLE_BYTES); memcpy(kline.wt.merkle, work->data + MERKLE_OFFSET, MERKLE_BYTES);
kline.wt.workid = (uint8_t)(klninfo->devinfo[dev].nextworkid++ & 0xFF); kline.wt.workid = (uint8_t)(klninfo->devinfo[dev].nextworkid++ & 0xFF);
work->subid = dev*256 + kline.wt.workid; work->subid = dev*256 + kline.wt.workid;
cgtime(&work->tv_stamp);
if (opt_log_level <= LOG_DEBUG) { if (opt_log_level <= LOG_DEBUG) {
char *hexdata = bin2hex((void *)&kline.wt, sizeof(kline.wt)); char *hexdata = bin2hex((void *)&kline.wt, sizeof(kline.wt));
@ -911,16 +1016,30 @@ static bool klondike_send_work(struct cgpu_info *klncgpu, int dev, struct work *
KLIST *kitem = SendCmdGetReply(klncgpu, &kline, sizeof(kline.wt)); KLIST *kitem = SendCmdGetReply(klncgpu, &kline, sizeof(kline.wt));
if (kitem != NULL) { if (kitem != NULL) {
wr_lock(&(klninfo->stat_lock)); wr_lock(&(klninfo->stat_lock));
memcpy((void *)&(klninfo->status[dev]), kitem, sizeof(*kitem)); memcpy((void *)&(klninfo->status[dev]), kitem, sizeof(klninfo->status[dev]));
wr_unlock(&(klninfo->stat_lock)); wr_unlock(&(klninfo->stat_lock));
release_kitem(klncgpu, kitem); kitem = release_kitem(klncgpu, kitem);
kitem = NULL;
// remove old work // remove old work
HASH_ITER(hh, klncgpu->queued_work, work, tmp) { wque_size = 0;
if (work->queued && (work->subid == (int)(dev*256 + ((klninfo->devinfo[dev].nextworkid-2*MAX_WORK_COUNT) & 0xFF)))) wque_cleared = 0;
work_completed(klncgpu, work); cgtime(&tv_old);
wr_lock(&klncgpu->qlock);
HASH_ITER(hh, klncgpu->queued_work, look, tmp) {
if (look->queued) {
if (ms_tdiff(&tv_old, &(look->tv_stamp)) > OLD_WORK_MS) {
__work_completed(klncgpu, look);
free_work(look);
} else
wque_size++;
}
} }
wr_unlock(&klncgpu->qlock);
wr_lock(&(klninfo->stat_lock));
klninfo->wque_size = wque_size;
klninfo->wque_cleared = wque_cleared;
wr_unlock(&(klninfo->stat_lock));
return true; return true;
} }
return false; return false;
@ -931,19 +1050,37 @@ static bool klondike_queue_full(struct cgpu_info *klncgpu)
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data); struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
struct work *work = NULL; struct work *work = NULL;
int dev, queued, slaves; int dev, queued, slaves;
struct timeval now;
cgtime(&now);
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount; slaves = klninfo->status[0].kline.ws.slavecount;
for (queued = 0; queued < MAX_WORK_COUNT-1; queued++)
for (dev = 0; dev <= slaves; dev++) for (dev = 0; dev <= slaves; dev++)
if (klninfo->status[dev].kline.ws.workqc <= queued) { if (ms_tdiff(&now, &(klninfo->jobque[dev].last_update)) > LATE_UPDATE_MS) {
rd_unlock(&(klninfo->stat_lock));
applog(LOG_ERR, "%s%i: late update",
klncgpu->drv->name, klncgpu->device_id);
klondike_get_stats(klncgpu);
goto que;
}
rd_unlock(&(klninfo->stat_lock));
que:
for (queued = 0; queued < MAX_WORK_COUNT-1; queued++)
for (dev = 0; dev <= slaves; dev++) {
rd_lock(&(klninfo->stat_lock));
if (klninfo->jobque[dev].workqc <= queued) {
rd_unlock(&(klninfo->stat_lock));
if (!work) if (!work)
work = get_queued(klncgpu); work = get_queued(klncgpu);
if (unlikely(!work)) if (unlikely(!work))
return false; return false;
if (klondike_send_work(klncgpu, dev, work)) { if (klondike_send_work(klncgpu, dev, work))
work = NULL; return false;
break; } else
} rd_unlock(&(klninfo->stat_lock));
} }
return true; return true;
@ -1102,6 +1239,9 @@ static struct api_data *klondike_api_stats(struct cgpu_info *klncgpu)
avg = klninfo->nonce_total / klninfo->nonce_count; avg = klninfo->nonce_total / klninfo->nonce_count;
root = api_add_diff(root, "KQue Nonce Avg", &avg, true); root = api_add_diff(root, "KQue Nonce Avg", &avg, true);
root = api_add_int(root, "WQue Size", &(klninfo->wque_size), true);
root = api_add_int(root, "WQue Cleared", &(klninfo->wque_cleared), true);
rd_unlock(&(klninfo->stat_lock)); rd_unlock(&(klninfo->stat_lock));
return root; return root;

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