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123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
/* Copyright (C) 2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Eric Leblond <eric@regit.org>
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*/
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#ifndef SURICATA_UTIL_AFFINITY_H
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#define SURICATA_UTIL_AFFINITY_H
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#include "suricata-common.h"
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#include "conf.h"
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#include "threads.h"
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#include "threadvars.h"
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#ifdef HAVE_HWLOC
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#include <hwloc.h>
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#endif /* HAVE_HWLOC */
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#if defined OS_FREEBSD
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#include <sched.h>
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#include <sys/param.h>
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#include <sys/resource.h>
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#include <sys/cpuset.h>
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#include <sys/thr.h>
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#define cpu_set_t cpuset_t
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#elif defined __OpenBSD__
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#include <sched.h>
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#include <sys/param.h>
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#include <sys/resource.h>
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#elif defined OS_DARWIN
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#include <mach/mach.h>
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#include <mach/mach_init.h>
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#include <mach/thread_policy.h>
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#define cpu_set_t thread_affinity_policy_data_t
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#define CPU_SET(cpu_id, new_mask) (*(new_mask)).affinity_tag = (cpu_id + 1)
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#define CPU_ISSET(cpu_id, new_mask) ((*(new_mask)).affinity_tag == (cpu_id + 1))
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#define CPU_ZERO(new_mask) (*(new_mask)).affinity_tag = THREAD_AFFINITY_TAG_NULL
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#endif
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enum {
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RECEIVE_CPU_SET,
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WORKER_CPU_SET,
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VERDICT_CPU_SET,
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MANAGEMENT_CPU_SET,
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MAX_CPU_SET
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};
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enum {
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BALANCED_AFFINITY,
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EXCLUSIVE_AFFINITY,
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MAX_AFFINITY
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};
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#define MAX_NUMA_NODES 16
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typedef struct ThreadsAffinityType_ {
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const char *name;
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struct ThreadsAffinityType_ **children;
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struct ThreadsAffinityType_ *parent; // e.g. worker-cpu-set for interfaces
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SCMutex taf_mutex;
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#if !defined __CYGWIN__ && !defined OS_WIN32 && !defined __OpenBSD__ && !defined __sun
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cpu_set_t cpu_set;
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cpu_set_t lowprio_cpu;
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cpu_set_t medprio_cpu;
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cpu_set_t hiprio_cpu;
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#endif
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int prio;
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uint32_t nb_threads;
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uint32_t nb_children;
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uint32_t nb_children_capacity;
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uint16_t lcpu[MAX_NUMA_NODES]; /* use by exclusive mode */
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uint8_t mode_flag;
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// a flag to avoid multiple warnings when no CPU is set
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bool nocpu_warned;
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} ThreadsAffinityType;
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/** store thread affinity mode for all type of threads */
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#ifndef _THREAD_AFFINITY
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extern ThreadsAffinityType thread_affinity[MAX_CPU_SET];
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#endif
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char *AffinityGetYamlPath(ThreadsAffinityType *taf);
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void AffinitySetupLoadFromConfig(void);
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ThreadsAffinityType *GetOrAllocAffinityTypeForIfaceOfName(
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const char *name, const char *interface_name);
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ThreadsAffinityType *GetAffinityTypeForNameAndIface(const char *name, const char *interface_name);
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ThreadsAffinityType *FindAffinityByInterface(
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ThreadsAffinityType *parent, const char *interface_name);
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void TopologyDestroy(void);
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uint16_t AffinityGetNextCPU(ThreadVars *tv, ThreadsAffinityType *taf);
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uint16_t UtilAffinityGetAffinedCPUNum(ThreadsAffinityType *taf);
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#ifdef HAVE_DPDK
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uint16_t UtilAffinityCpusOverlap(ThreadsAffinityType *taf1, ThreadsAffinityType *taf2);
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void UtilAffinityCpusExclude(ThreadsAffinityType *mod_taf, ThreadsAffinityType *static_taf);
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#endif /* HAVE_DPDK */
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int BuildCpusetWithCallback(
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const char *name, SCConfNode *node, void (*Callback)(int i, void *data), void *data);
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#ifdef UNITTESTS
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void ThreadingAffinityRegisterTests(void);
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#endif
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#endif /* SURICATA_UTIL_AFFINITY_H */
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