util-hugepages.h File Reference

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Data Structures
struct	HugepageInfo
struct	NodeInfo
struct	SystemHugepageSnapshot

Functions
SystemHugepageSnapshot *	SystemHugepageSnapshotCreate (void)
	The function creates a snapshot of the system's hugepage usage per NUMA node and per hugepage size. The snapshot is used to evaluate the system's hugepage usage after initialization of Suricata. More...
void	SystemHugepageSnapshotDestroy (SystemHugepageSnapshot *s)
void	SystemHugepageEvaluateHugepages (SystemHugepageSnapshot *pre_s, SystemHugepageSnapshot *post_s)
	The function compares two hugepage snapshots and prints out recommendations for hugepage configuration. More...

Detailed Description

Author

Lukas Sismis lsism.nosp@m.is@o.nosp@m.isf.n.nosp@m.et

Definition in file util-hugepages.h.

Function Documentation

SystemHugepageEvaluateHugepages()

void SystemHugepageEvaluateHugepages	(	SystemHugepageSnapshot *	pre_s,
		SystemHugepageSnapshot *	post_s
	)

The function compares two hugepage snapshots and prints out recommendations for hugepage configuration.

Parameters

[in]	pre_s	a pointer to the snapshot taken before Suricata initialization
[in]	post_s	a pointer to the snapshot taken after Suricata initialization

Definition at line 363 of file util-hugepages.c.

SystemHugepageSnapshotCreate()

SystemHugepageSnapshot* SystemHugepageSnapshotCreate

(

void

)

The function creates a snapshot of the system's hugepage usage per NUMA node and per hugepage size. The snapshot is used to evaluate the system's hugepage usage after initialization of Suricata.

Returns

a pointer to the snapshot, NULL on error

Definition at line 323 of file util-hugepages.c.

SystemHugepageSnapshotDestroy()

void SystemHugepageSnapshotDestroy

(

SystemHugepageSnapshot *

s

)

Definition at line 304 of file util-hugepages.c.

References SystemHugepageSnapshot::num_nodes.

Referenced by SuricataPostInit().

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