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Merge pull request #480 from kanoi/master 

usbutils cps sleep_estimate is not an underestimate
nfactor-troky
kanoi 11 years ago
parent
ff8c832534 612c0b12c8
commit
10545d33c7
1 changed files with 20 additions and 25 deletions
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  1. 45
      usbutils.c

45
usbutils.c
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@ -2416,18 +2416,17 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro @@ -2416,18 +2416,17 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
got = 0;
if (first && usbdev->usecps && usbdev->last_write_siz) {
cgtimer_t now, already;
cgtimer_t now, already_done;
double sleep_estimate;
double write_time = (double)(usbdev->last_write_siz) /
(double)(usbdev->cps);
cgtimer_time(&now);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already);
sleep_estimate = write_time - cgtimer_to_ms(&already);
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already_done);
sleep_estimate = write_time - cgtimer_to_ms(&already_done);
if (sleep_estimate > 0.0) {
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgpu->usbinfo.read_delay_count++;
cgpu->usbinfo.total_read_delay += sleep_estimate;
}
@ -2521,18 +2520,17 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro @@ -2521,18 +2520,17 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
}
got = 0;
if (first && usbdev->usecps && usbdev->last_write_siz) {
cgtimer_t now, already;
cgtimer_t now, already_done;
double sleep_estimate;
double write_time = (double)(usbdev->last_write_siz) /
(double)(usbdev->cps);
cgtimer_time(&now);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already);
sleep_estimate = write_time - cgtimer_to_ms(&already);
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already_done);
sleep_estimate = write_time - cgtimer_to_ms(&already_done);
if (sleep_estimate > 0.0) {
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgpu->usbinfo.read_delay_count++;
cgpu->usbinfo.total_read_delay += sleep_estimate;
}
@ -2660,18 +2658,17 @@ int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pr @@ -2660,18 +2658,17 @@ int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pr
sent = 0;
if (usbdev->usecps) {
if (usbdev->last_write_siz) {
cgtimer_t now, already;
cgtimer_t now, already_done;
double sleep_estimate;
double write_time = (double)(usbdev->last_write_siz) /
(double)(usbdev->cps);
cgtimer_time(&now);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already);
sleep_estimate = write_time - cgtimer_to_ms(&already);
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already_done);
sleep_estimate = write_time - cgtimer_to_ms(&already_done);
if (sleep_estimate > 0.0) {
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgpu->usbinfo.write_delay_count++;
cgpu->usbinfo.total_write_delay += sleep_estimate;
}
@ -2757,18 +2754,17 @@ int __usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bReques @@ -2757,18 +2754,17 @@ int __usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bReques
if (usbdev->usecps) {
if (usbdev->last_write_siz) {
cgtimer_t now, already;
cgtimer_t now, already_done;
double sleep_estimate;
double write_time = (double)(usbdev->last_write_siz) /
(double)(usbdev->cps);
cgtimer_time(&now);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already);
sleep_estimate = write_time - cgtimer_to_ms(&already);
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already_done);
sleep_estimate = write_time - cgtimer_to_ms(&already_done);
if (sleep_estimate > 0.0) {
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgpu->usbinfo.write_delay_count++;
cgpu->usbinfo.total_write_delay += sleep_estimate;
}
@ -2835,18 +2831,17 @@ int _usb_transfer_read(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRe @@ -2835,18 +2831,17 @@ int _usb_transfer_read(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRe
*amount = 0;
if (usbdev->usecps && usbdev->last_write_siz) {
cgtimer_t now, already;
cgtimer_t now, already_done;
double sleep_estimate;
double write_time = (double)(usbdev->last_write_siz) /
(double)(usbdev->cps);
cgtimer_time(&now);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already);
sleep_estimate = write_time - cgtimer_to_ms(&already);
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgtimer_sub(&now, &usbdev->cgt_last_write, &already_done);
sleep_estimate = write_time - cgtimer_to_ms(&already_done);
if (sleep_estimate > 0.0) {
cgsleep_ms_r(&usbdev->cgt_last_write, write_time * 1000.0);
cgpu->usbinfo.read_delay_count++;
cgpu->usbinfo.total_read_delay += sleep_estimate;
}

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