bool
FailOverCacheAsyncBridge::addEntries(const std::vector<ClusterLocation>& locs,
size_t num_locs,
uint64_t start_address,
const uint8_t* data)
{
VERIFY(num_locs <= max_entries());
LOCK_NEW_ONES();
// Needs improvement!!!
if (stop_)
{
return true;
}
TODO("AR: revisit the batching of entries");
// TODO: Batches must not cross SCO boundaries.
// We could be way smarter by allowing multiple outstanding batches.
const bool new_sco =
(not newOnes.empty()) and
(not locs.empty()) and
(newOnes.back().cli_.sco() != locs.front().sco());
setThrottling((newOnes.size() + num_locs > max_entries()) or
new_sco);
if (not throttling)
{
// Otherwise work the batch
for (size_t i = 0; i < num_locs; ++i)
{
addEntry(locs[i],
start_address + i * cluster_multiplier_,
data + i * cluster_size_(),
cluster_size_());
}
}
maybe_swap_(new_sco);
return not throttling;
}
int acpithr_handle_offline(SConfig *config) {
if (throttling_level != config->thrOffline) {
syslog(LOG_NOTICE, "AC offline");
if (setThrottling(config->thrOffline) == 0) {
syslog(LOG_ERR, "can't set throttling level, terminating");
return -1;
}
throttling_level = config->thrOffline;
if (config->verbosityLevel >= 1)
syslog(LOG_INFO, "processor has %d KHz, and temperature %d", getProcessorKHz(), getTemperature());
}
return 0;
}
int acpithr_handle_online(SConfig *config, unsigned int temp) {
float value;
unsigned int tmp;
if (temp < config->tempLow) {
if (throttling_level != 0) {
syslog(LOG_NOTICE, "processor temperature below %d -> setting throttling to 0", temp);
if (setThrottling(0) == 0) {
syslog(LOG_ERR, "can't set throttling, terminating");
return -1;
}
throttling_level = 0;
if (config->verbosityLevel >= 1)
syslog(LOG_INFO, "processor has %d KHz, and temperature %d", getProcessorKHz(), getTemperature());
}
return 0;
}
if (temp > config->tempHigh) {
if (throttling_level != config->thrStates - 1) {
syslog(LOG_NOTICE, "processor temperature %d exceeded maximum -> setting throttling to %d", temp, config->thrStates - 1);
if (setThrottling(config->thrStates - 1) == 0) {
syslog(LOG_ERR, "can't set throttling, terminating");
return -1;
}
throttling_level = config->thrStates - 1;
if (config->verbosityLevel >= 1)
syslog(LOG_INFO, "processor has %d KHz, and temperature %d", getProcessorKHz(), getTemperature());
}
return 0;
}
/* temp is between Low and High -> interpolate */
value = (float)(config->thrStates - 2) / (float)(config->tempHigh - config->tempLow);
tmp = (unsigned int)((float)(temp - config->tempLow) * value);
if (tmp != throttling_level) {
syslog(LOG_NOTICE, "processor temperature %d mapped to %u throttling level", temp, tmp);
if (setThrottling(tmp) == 0) {
syslog(LOG_ERR, "can't set throttling, terminating");
return -1;
}
throttling_level = tmp;
if (config->verbosityLevel >= 1)
syslog(LOG_INFO, "processor has %d KHz, and temperature %d", getProcessorKHz(), getTemperature());
}
return 0;
}
