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Get statistics on how long usb reads and writes wait on the devlock.

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This commit is contained in:
Con Kolivas 2013-09-30 21:50:06 +10:00
parent 87ddfcc8a6
commit 3eece61819
2 changed files with 26 additions and 0 deletions
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6
miner.h
View File

@ -481,6 +481,12 @@ struct cgpu_info {
#endif
#ifdef USE_USBUTILS
struct cg_usb_info usbinfo;
int usb_bulk_writes;
int usb_bulk_reads;
int usb_wlock_total_wait;
int usb_rlock_total_wait;
int usb_wlock_max_wait;
int usb_rlock_max_wait;
#endif
#ifdef USE_MODMINER
char fpgaid;

20
usbutils.c
View File

@ -2301,8 +2301,18 @@ int _usb_read(struct cgpu_info *cgpu, int intinfo, int epinfo, char *buf, size_t
int endlen;
unsigned char *ptr, *usbbuf = cgpu->usbinfo.bulkbuf;
size_t usbbufread;
int lock_wait;
/* Get statistics on how long reads wait on the devlock */
cgpu->usb_bulk_reads++;
cgtime(&read_start);
DEVLOCK(cgpu, pstate);
cgtime(&tv_finish);
lock_wait = ms_tdiff(&tv_finish, &read_start);
cgpu->usb_rlock_total_wait += lock_wait;
if (lock_wait > cgpu->usb_rlock_max_wait)
cgpu->usb_rlock_max_wait = lock_wait;
if (cgpu->usbinfo.nodev) {
*buf = '\0';
@ -2567,8 +2577,18 @@ int _usb_write(struct cgpu_info *cgpu, int intinfo, int epinfo, char *buf, size_
double max, done;
__maybe_unused bool first = true;
int err, sent, tot, pstate;
int lock_wait;
/* Get statistics on how long writes wait on the devlock */
cgpu->usb_bulk_writes++;
cgtime(&read_start);
DEVLOCK(cgpu, pstate);
cgtime(&tv_finish);
lock_wait = ms_tdiff(&tv_finish, &read_start);
cgpu->usb_wlock_total_wait += lock_wait;
if (lock_wait > cgpu->usb_wlock_max_wait)
cgpu->usb_wlock_max_wait = lock_wait;
USBDEBUG("USB debug: _usb_write(%s (nodev=%s),intinfo=%d,epinfo=%d,buf='%s',bufsiz=%d,proc=%p,timeout=%u,cmd=%s)", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), intinfo, epinfo, (char *)str_text(buf), (int)bufsiz, processed, timeout, usb_cmdname(cmd));