util-affinity.h File Reference

#include "suricata-common.h"
#include "conf.h"
#include "threads.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...
uint16_t	AffinityGetNextCPU (ThreadsAffinityType *taf)
	Return next cpu to use for a given thread family. More...
uint16_t	UtilAffinityGetAffinedCPUNum (ThreadsAffinityType *taf)
void	BuildCpusetWithCallback (const char *name, SCConfNode *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

ThreadsAffinityType

typedef struct ThreadsAffinityType_ ThreadsAffinityType

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
RECEIVE_CPU_SET
WORKER_CPU_SET
VERDICT_CPU_SET
MANAGEMENT_CPU_SET
MAX_CPU_SET

Definition at line 51 of file util-affinity.h.

anonymous enum

anonymous enum

Enumerator
BALANCED_AFFINITY
EXCLUSIVE_AFFINITY
MAX_AFFINITY

Definition at line 59 of file util-affinity.h.

Function Documentation

AffinityGetNextCPU()

uint16_t 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 279 of file util-affinity.c.

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

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AffinitySetupLoadFromConfig()

void AffinitySetupLoadFromConfig

(

void

)

Extract cpu affinity configuration from current config file.

Definition at line 161 of file util-affinity.c.

Referenced by RunModeInitializeThreadSettings().

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BuildCpusetWithCallback()

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

Definition at line 97 of file util-affinity.c.

References name, next, SCLogError, StringParseUint32(), TAILQ_FOREACH, UtilCpuGetNumProcessorsOnline(), and SCConfNode_::val.

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GetAffinityTypeFromName()

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 MAX_CPU_SET, name, and thread_affinity.

UtilAffinityGetAffinedCPUNum()

uint16_t UtilAffinityGetAffinedCPUNum

(

ThreadsAffinityType *

taf

)

Definition at line 306 of file util-affinity.c.

References ThreadsAffinityType_::cpu_set, SCMutexLock, SCMutexUnlock, ThreadsAffinityType_::taf_mutex, and UtilCpuGetNumProcessorsOnline().

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Variable Documentation

thread_affinity

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 GetAffinityTypeFromName(), and TmThreadGetNbThreads().