gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mcexec_get_cpuset(): save CPU set and IKC target cpu in per-process data

Browse Source
This commit is contained in:
Balazs Gerofi
2016-12-18 13:43:19 +09:00
parent 91373337ba
commit 6a5fe90f98
2 changed files with 16 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
executer/kernel/mcctrl/control.c
View File

@ -482,10 +482,18 @@ static long mcexec_get_cpuset(ihk_os_t os, unsigned long arg)
int ret = 0;
cpumask_t cpus_used;
cpumask_t cpus_to_use;
struct mcctrl_per_proc_data *ppd;
if (!udp) {
return -EINVAL;
}
/* Look up per-process structure */
ppd = mcctrl_get_per_proc_data(udp, task_tgid_vnr(current));
if (!ppd) {
return -EINVAL;
}
pe = &udp->part_exec;
if (copy_from_user(&req, (void *)arg, sizeof(req))) {
@ -629,6 +637,10 @@ next_cpu:
goto unlock_out;
}
/* Save in per-process structure */
memcpy(&ppd->cpu_set, &cpus_to_use, sizeof(cpumask_t));
ppd->ikc_target_cpu = cpu;
/* Commit used cores to OS structure */
memcpy(&pe->cpus_used, &cpus_used, sizeof(cpus_used));
@ -1167,6 +1179,8 @@ int mcexec_open_exec(ihk_os_t os, char * __user filename)
INIT_LIST_HEAD(&ppd->wq_req_list);
INIT_LIST_HEAD(&ppd->wq_list_exact);
spin_lock_init(&ppd->wq_list_lock);
memset(&ppd->cpu_set, 0, sizeof(cpumask_t));
ppd->ikc_target_cpu = 0;
for (i = 0; i < MCCTRL_PER_THREAD_DATA_HASH_SIZE; ++i) {
INIT_LIST_HEAD(&ppd->per_thread_data_hash[i]);

2
executer/kernel/mcctrl/mcctrl.h
View File

@ -198,6 +198,8 @@ struct mcctrl_per_proc_data {
struct list_head per_thread_data_hash[MCCTRL_PER_THREAD_DATA_HASH_SIZE];
rwlock_t per_thread_data_hash_lock[MCCTRL_PER_THREAD_DATA_HASH_SIZE];
cpumask_t cpu_set;
int ikc_target_cpu;
};
struct sysfsm_req {