Reserve threads for job priority classes based on strongswan.conf options

This commit is contained in:
Martin Willi
2011-05-16 15:24:13 +02:00
parent 2959ea6f84
commit 68f56418cd
+17 -1
View File
@@ -66,6 +66,11 @@ struct private_processor_t {
*/
linked_list_t *jobs[JOB_PRIO_MAX];
/**
* Threads reserved for each priority
*/
int prio_threads[JOB_PRIO_MAX];
/**
* access to job lists is locked through this mutex
*/
@@ -122,10 +127,18 @@ static void process_jobs(private_processor_t *this)
while (this->desired_threads >= this->total_threads)
{
job_t *job = NULL;
int i;
int i, prio_sum = 0;
for (i = 0; i < JOB_PRIO_MAX; i++)
{
if (prio_sum && prio_sum >= this->idle_threads)
{
DBG2(DBG_JOB, "delaying %N priority jobs: %d threads idle, "
"but %d reserved for higher priorities",
job_priority_names, i, this->idle_threads, prio_sum);
break;
}
prio_sum += this->prio_threads[i];
if (this->jobs[i]->remove_first(this->jobs[i],
(void**)&job) == SUCCESS)
{
@@ -293,6 +306,9 @@ processor_t *processor_create()
for (i = 0; i < JOB_PRIO_MAX; i++)
{
this->jobs[i] = linked_list_create();
this->prio_threads[i] = lib->settings->get_int(lib->settings,
"libstrongswan.processor.priority_threads.%N", 0,
job_priority_names, i);
}
return &this->public;