util-affinity.h File Reference

#include "suricata-common.h"
#include "conf.h"

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Data Structures
struct	ThreadsAffinityType_

Typedefs
typedef struct ThreadsAffinityType_	ThreadsAffinityType

Enumerations
enum	{   RECEIVE_CPU_SET, WORKER_CPU_SET, VERDICT_CPU_SET, MANAGEMENT_CPU_SET,   MAX_CPU_SET }
enum	{ BALANCED_AFFINITY, EXCLUSIVE_AFFINITY, MAX_AFFINITY }

Functions
void	AffinitySetupLoadFromConfig (void)
	Extract cpu affinity configuration from current config file. More...
ThreadsAffinityType *	GetAffinityTypeFromName (const char *name)
	find affinity by its name More...
int	AffinityGetNextCPU (ThreadsAffinityType *taf)
	Return next cpu to use for a given thread family. More...
void	BuildCpusetWithCallback (const char *name, ConfNode *node, void(*Callback)(int i, void *data), void *data)

Variables
ThreadsAffinityType	thread_affinity [MAX_CPU_SET]

Detailed Description

Author

Eric Leblond eric@.nosp@m.regi.nosp@m.t.org

Definition in file util-affinity.h.

Typedef Documentation

typedef struct ThreadsAffinityType_ ThreadsAffinityType

Enumeration Type Documentation

anonymous enum

Enumerator
RECEIVE_CPU_SET
WORKER_CPU_SET
VERDICT_CPU_SET
MANAGEMENT_CPU_SET
MAX_CPU_SET

Definition at line 50 of file util-affinity.h.

anonymous enum

Enumerator
BALANCED_AFFINITY
EXCLUSIVE_AFFINITY
MAX_AFFINITY

Definition at line 58 of file util-affinity.h.

Function Documentation

int AffinityGetNextCPU

(

ThreadsAffinityType *

taf

)

Return next cpu to use for a given thread family.

Return values

the	cpu to used given by its id

Definition at line 297 of file util-affinity.c.

References ThreadsAffinityType_::cpu_set, ThreadsAffinityType_::lcpu, SC_ERR_INVALID_ARGUMENT, SCLogDebug, SCLogError, SCMutexLock, SCMutexUnlock, ThreadsAffinityType_::taf_mutex, and UtilCpuGetNumProcessorsOnline().

Referenced by TmThreadSetupOptions().

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void AffinitySetupLoadFromConfig

(

void

)

Extract cpu affinity configuration from current config file.

Definition at line 179 of file util-affinity.c.

References BALANCED_AFFINITY, ConfGetNode(), ConfNodeLookupChild(), ThreadsAffinityType_::cpu_set, EXCLUSIVE_AFFINITY, GetAffinityTypeFromName(), ThreadsAffinityType_::hiprio_cpu, ThreadsAffinityType_::lowprio_cpu, ThreadsAffinityType_::medprio_cpu, ThreadsAffinityType_::mode_flag, ThreadsAffinityType_::nb_threads, next, ThreadsAffinityType_::prio, PRIO_HIGH, PRIO_LOW, PRIO_MEDIUM, SC_ERR_INVALID_ARGUMENT, SCLogDebug, SCLogError, SCLogInfo, TAILQ_FOREACH, thread_affinity_init_done, and ConfNode_::val.

Referenced by RunModeInitialize().

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void BuildCpusetWithCallback	(	const char *	name,
		ConfNode *	node,
		void(*)(int i, void *data)	Callback,
		void *	data
	)

Definition at line 98 of file util-affinity.c.

References BuildCpusetWithCallback(), index, next, SC_ERR_INVALID_ARGUMENT, SCLogError, TAILQ_FOREACH, UtilCpuGetNumProcessorsOnline(), and ConfNode_::val.

Referenced by BuildCpusetWithCallback().

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ThreadsAffinityType* GetAffinityTypeFromName

(

const char *

name

)

find affinity by its name

Return values

a	pointer to the affinity or NULL if not found

Definition at line 68 of file util-affinity.c.

References ThreadsAffinityType_::cpu_set, MAX_CPU_SET, SCLogDebug, SCMutexInit, and UtilCpuGetNumProcessorsConfigured().

Referenced by AffinitySetupLoadFromConfig().

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Variable Documentation

ThreadsAffinityType thread_affinity[MAX_CPU_SET]

store thread affinity mode for all type of threads

Definition at line 34 of file util-affinity.c.

Referenced by TmThreadGetNbThreads(), and TmThreadSetupOptions().