#define _GNU_SOURCE #include #include #include #include #include #include #include "proc.h" #include "die.h" void cpu_affinity(int cpu) { int ret; cpu_set_t cpu_bitmask; CPU_ZERO(&cpu_bitmask); CPU_SET(cpu, &cpu_bitmask); ret = sched_setaffinity(getpid(), sizeof(cpu_bitmask), &cpu_bitmask); if (ret) panic("Can't set this cpu affinity!\n"); } int set_proc_prio(int priority) { int ret = setpriority(PRIO_PROCESS, getpid(), priority); if (ret) panic("Can't set nice val to %i!\n", priority); return 0; } int set_sched_status(int policy, int priority) { int ret, min_prio, max_prio; struct sched_param sp; max_prio = sched_get_priority_max(policy); min_prio = sched_get_priority_min(policy); if (max_prio == -1 || min_prio == -1) printf("Cannot determine scheduler prio limits!\n"); else if (priority < min_prio) priority = min_prio; else if (priority > max_prio) priority = max_prio; memset(&sp, 0, sizeof(sp)); sp.sched_priority = priority; ret = sched_setscheduler(getpid(), policy, &sp); if (ret) { printf("Cannot set scheduler policy!\n"); return -EINVAL; } ret = sched_setparam(getpid(), &sp); if (ret) { printf("Cannot set scheduler prio!\n"); return -EINVAL; } return 0; } -back'>packet-loop-back net-next plumbingsTobias Klauser
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authorJames Morris <james.l.morris@oracle.com>2016-05-23 21:23:47 +1000
committerJames Morris <james.l.morris@oracle.com>2016-05-23 21:23:47 +1000
commit653bd4568ba083dfd5a06a83de3f0dc1e53dd42b (patch)
tree3378a957889156e4a8f122758d4aa8fe52632a6a
parent7639dad93a5564579987abded4ec05e3db13659d (diff)
parent75aeddd12f205d07b36ed76db3426e974b8f2a21 (diff)
Merge tag 'keys-next-20160511' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into for-linus
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