void __serverd_perf_make_request(serv_perf_t *serv_perf, bool read,
uint64_t sector, uint64_t sector_nb)
{
uint64_t lba_in_kbytes;
uint64_t now_ms;
double inter_arrival;
double dist;
int rw = read ? __READ : __WRITE;
serv_perf->read = read;
now_ms = os_gettimeofday_msec();
lba_in_kbytes = sector / 2;
/* add the lba in MB in the repartition */
exaperf_repart_add_value(lba_repart[rw], lba_in_kbytes / 1024);
serv_perf->header_submit_date = now_ms;
inter_arrival = (double)now_ms - last_req_time[rw];
dist = (double)sector - next_sector[rw];
exaperf_repart_add_value(inter_arrival_repart[rw], inter_arrival);
exaperf_repart_add_value(distance_repart[rw], dist);
exaperf_repart_add_value(req_size_repart[rw], (sector_nb/2.));
next_sector[rw] = sector + sector_nb;
last_req_time[rw] = now_ms;
}
void iscsi_target_perf_make_request(int rw, TARGET_CMD_T *cmd, double len)
{
cmd->submit_date = os_gettimeofday_msec();
exaperf_repart_add_value(target_req_size_repart[rw], len);
os_thread_mutex_lock(&iodepth_mutex);
exaperf_repart_add_value(target_iodepth[rw], iodepth);
iodepth++;
os_thread_mutex_unlock(&iodepth_mutex);
}
void __rdev_perf_make_request(device_t *disk_device, header_t *req_header)
{
uint64_t now_ms = os_gettimeofday_msec();
uint64_t inter_arrival;
int rw = -1;
EXA_ASSERT(NBD_REQ_TYPE_IS_VALID(req_header->request_type));
switch (req_header->request_type)
{
case NBD_REQ_TYPE_READ:
rw = __READ;
break;
case NBD_REQ_TYPE_WRITE:
rw = __WRITE;
break;
case NBD_REQ_TYPE_LOCK:
case NBD_REQ_TYPE_UNLOCK:
EXA_ASSERT(false);
/* FIXME: formerly this case was not handled */
}
/* WARNING: be careful, although the first call is taken into account
* here (for the inter-arrival time), the first exaperf log should not
* be taken into consideration for the analysis. Max and mean value
* are very big because of the history of the IOs. This happens even
* if we start/stop the cluser between two experiments. */
if (disk_device->last_req_time[rw] != 0)
{
inter_arrival = now_ms - disk_device->last_req_time[rw];
exaperf_repart_add_value(disk_device->inter_arrival_repart[rw],
inter_arrival);
}
disk_device->last_req_time[rw] = now_ms;
req_header->rdev_submit_date = now_ms;
}
void __serverd_perf_make_request(header_t *req_header)
{
uint64_t now_ms;
double inter_arrival;
double dist;
int rw = -1;
EXA_ASSERT(NBD_REQ_TYPE_IS_VALID(req_header->request_type));
switch (req_header->request_type)
{
case NBD_REQ_TYPE_READ:
rw = __READ;
break;
case NBD_REQ_TYPE_WRITE:
rw = __WRITE;
break;
case NBD_REQ_TYPE_LOCK:
case NBD_REQ_TYPE_UNLOCK:
EXA_ASSERT(false);
/* FIXME: formerly this case was not handled */
}
now_ms = os_gettimeofday_msec();
/* FIXME how is it supposed to be of an other type here ? */
if (req_header->type == NBD_HEADER_RH)
{
uint64_t lba_in_kbytes = req_header->sector / 2;
/* add the lba in MB in the repartition */
exaperf_repart_add_value(lba_repart[rw], lba_in_kbytes / 1024);
req_header->header_submit_date = now_ms;
inter_arrival = (double)now_ms - last_req_time[rw];
dist = (double)req_header->sector - next_sector[rw];
exaperf_repart_add_value(inter_arrival_repart[rw], inter_arrival);
exaperf_repart_add_value(distance_repart[rw], dist);
exaperf_repart_add_value(req_size_repart[rw],
(req_header->sector_nb/2.));
next_sector[rw] = req_header->sector + req_header->sector_nb;
last_req_time[rw] = now_ms;
}
}
void __rdev_perf_make_request(rdev_perfs_t *rdev_perfs, bool read, rdev_req_perf_t *req_perfs)
{
uint64_t now_ms = os_gettimeofday_msec();
uint64_t inter_arrival;
int rw = read ? __READ : __WRITE;
/* WARNING: be careful, although the first call is taken into account
* here (for the inter-arrival time), the first exaperf log should not
* be taken into consideration for the analysis. Max and mean value
* are very big because of the history of the IOs. This happens even
* if we start/stop the cluser between two experiments. */
if (rdev_perfs->last_req_time[rw] != 0)
{
inter_arrival = now_ms - rdev_perfs->last_req_time[rw];
exaperf_repart_add_value(rdev_perfs->inter_arrival_repart[rw],
inter_arrival);
}
rdev_perfs->last_req_time[rw] = now_ms;
req_perfs->rdev_submit_date = now_ms;
req_perfs->read = read;
}
