121 lines
2.3 KiB
C
121 lines
2.3 KiB
C
#define _GNU_SOURCE
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#include <sched.h>
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#include <haproxy/compat.h>
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#include <haproxy/cpuset.h>
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#include <haproxy/intops.h>
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struct cpu_map cpu_map[MAX_TGROUPS];
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void ha_cpuset_zero(struct hap_cpuset *set)
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{
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#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
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CPU_ZERO(&set->cpuset);
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#elif defined(CPUSET_USE_ULONG)
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set->cpuset = 0;
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#endif
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}
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int ha_cpuset_set(struct hap_cpuset *set, int cpu)
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{
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if (cpu >= ha_cpuset_size())
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return 1;
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#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
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CPU_SET(cpu, &set->cpuset);
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return 0;
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#elif defined(CPUSET_USE_ULONG)
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set->cpuset |= (0x1 << cpu);
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return 0;
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#endif
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}
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int ha_cpuset_clr(struct hap_cpuset *set, int cpu)
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{
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if (cpu >= ha_cpuset_size())
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return 1;
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#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
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CPU_CLR(cpu, &set->cpuset);
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return 0;
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#elif defined(CPUSET_USE_ULONG)
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set->cpuset &= ~(0x1 << cpu);
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return 0;
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#endif
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}
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void ha_cpuset_and(struct hap_cpuset *dst, struct hap_cpuset *src)
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{
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#if defined(CPUSET_USE_CPUSET)
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CPU_AND(&dst->cpuset, &dst->cpuset, &src->cpuset);
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#elif defined(CPUSET_USE_FREEBSD_CPUSET)
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CPU_AND(&dst->cpuset, &src->cpuset);
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#elif defined(CPUSET_USE_ULONG)
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dst->cpuset &= src->cpuset;
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#endif
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}
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int ha_cpuset_count(const struct hap_cpuset *set)
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{
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#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
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return CPU_COUNT(&set->cpuset);
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#elif defined(CPUSET_USE_ULONG)
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return my_popcountl(set->cpuset);
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#endif
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}
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int ha_cpuset_ffs(const struct hap_cpuset *set)
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{
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#if defined(CPUSET_USE_CPUSET)
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int n;
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if (!CPU_COUNT(&set->cpuset))
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return 0;
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for (n = 0; !CPU_ISSET(n, &set->cpuset); ++n)
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;
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return n + 1;
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#elif defined(CPUSET_USE_FREEBSD_CPUSET)
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return CPU_FFS(&set->cpuset);
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#elif defined(CPUSET_USE_ULONG)
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if (!set->cpuset)
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return 0;
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return my_ffsl(set->cpuset);
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#endif
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}
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void ha_cpuset_assign(struct hap_cpuset *dst, struct hap_cpuset *src)
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{
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#if defined(CPUSET_USE_CPUSET)
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CPU_ZERO(&dst->cpuset);
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CPU_OR(&dst->cpuset, &dst->cpuset, &src->cpuset);
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#elif defined(CPUSET_USE_FREEBSD_CPUSET)
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CPU_COPY(&src->cpuset, &dst->cpuset);
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#elif defined(CPUSET_USE_ULONG)
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dst->cpuset = src->cpuset;
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#endif
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}
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int ha_cpuset_size()
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{
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#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
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return CPU_SETSIZE;
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#elif defined(CPUSET_USE_ULONG)
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return LONGBITS;
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#endif
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}
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