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partitioned execution: bind mcexec to corresponding NUMA node

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This commit is contained in:
Balazs Gerofi
2017-01-22 13:44:07 +09:00
parent 5cc420a6c3
commit 1bc3218fc1
4 changed files with 47 additions and 4 deletions
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11
executer/kernel/mcctrl/control.c
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@@ -493,6 +493,7 @@ static long mcexec_get_cpuset(ihk_os_t os, unsigned long arg)
struct cache_topology *cache_top;
int cpu, cpus_assigned, cpus_to_assign, cpu_prev;
int ret = 0;
int mcexec_linux_numa;
cpumask_t cpus_used;
cpumask_t cpus_to_use;
struct mcctrl_per_proc_data *ppd;
@@ -643,6 +644,7 @@ next_cpu:
goto put_and_unlock_out;
}
/* Copy IKC target core and mcexec Linux NUMA id */
cpu = cpumask_next(-1, &cpus_to_use);
if (copy_to_user(req.target_core, &cpu, sizeof(cpu))) {
printk("%s: error copying target core to user\n",
@@ -651,6 +653,15 @@ next_cpu:
goto put_and_unlock_out;
}
mcexec_linux_numa = cpu_to_node(mckernel_cpu_2_linux_cpu(udp, cpu));
if (copy_to_user(req.mcexec_linux_numa, &mcexec_linux_numa,
sizeof(mcexec_linux_numa))) {
printk("%s: error copying mcexec Linux NUMA id\n",
__FUNCTION__);
ret = -EINVAL;
goto put_and_unlock_out;
}
/* Save in per-process structure */
memcpy(&ppd->cpu_set, &cpus_to_use, sizeof(cpumask_t));
ppd->ikc_target_cpu = cpu;