kernel.cc File Reference

#include "kernel.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <kvm.h>
#include <nlist.h>
#include <limits.h>
#include <string.h>
#include <err.h>
#include <errno.h>
#include <ifaddrs.h>
#include <sysexits.h>
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <sys/vmmeter.h>

Include dependency graph for kernel.cc:

Go to the source code of this file.

Macros
#define	DUMMY_SYM   "dummy_sym"
#define	DUMMY_0
#define	DUMMY_1
#define	DUMMY_2
#define	IFA_STAT(s)   (((struct if_data *)ifa->ifa_data)->ifi_ ## s)

Functions
static void	safe_kvm_read (unsigned long kernel_addr, void *user_addr, size_t nbytes)
static void	safe_kvm_read_symbol (int nlstOffset, void *user_addr, size_t nbytes)
int	ValidSymbol (int index)
int	SymbolValue (int index)
void	BSDInit ()
void	SetKernelName (const char *kernelName)
void	OpenKDIfNeeded ()
int	BSDGetCPUSpeed ()
void	BSDPageInit ()
void	BSDGetPageStats (uint64_t *meminfo, uint64_t *pageinfo)
void	BSDCPUInit ()
void	BSDGetCPUTimes (uint64_t *timeArray, unsigned int cpu)
int	BSDNetInit ()
void	BSDGetNetInOut (uint64_t *inbytes, uint64_t *outbytes, const char *netIface, bool ignored)
int	BSDSwapInit ()
void	BSDGetSwapInfo (uint64_t *total, uint64_t *used)
int	BSDDiskInit ()
uint64_t	BSDGetDiskXFerBytes (uint64_t *read_bytes, uint64_t *write_bytes)
int	BSDIntrInit ()
int	BSDNumInts ()
void	BSDGetIntrStats (uint64_t *intrCount, unsigned int *intrNbrs)
int	BSDCountCpus (void)
void	BSDGetSensor (const char *name, const char *valname, float *value, char *unit)
bool	BSDHasBattery ()
void	BSDGetBatteryInfo (int *remaining, unsigned int *state)

Variables
kvm_t *	kd = NULL
static struct nlist	nlst []
static char	kernelFileName [_POSIX2_LINE_MAX]
static int	mib_cpu [2] = { CTL_HW, HW_NCPU }

Macro Definition Documentation

DUMMY_0

#define DUMMY_0

DUMMY_1

#define DUMMY_1

DUMMY_2

#define DUMMY_2

DUMMY_SYM

#define DUMMY_SYM   "dummy_sym"

IFA_STAT

#define IFA_STAT

(

s

)

(((struct if_data *)ifa->ifa_data)->ifi_ ## s)

Function Documentation

BSDCountCpus()

int BSDCountCpus

(

void

)

Definition at line 1127 of file kernel.cc.

References mib_cpu.

Referenced by BSDGetCPUSpeed(), BSDGetCPUTimes(), LoadMeter::checkResources(), and MeterMaker::makeMeters().

BSDCPUInit()

void BSDCPUInit

(

)

Definition at line 394 of file kernel.cc.

References OpenKDIfNeeded().

Referenced by CPUMeter::CPUMeter().

BSDDiskInit()

int BSDDiskInit

(

)

Definition at line 795 of file kernel.cc.

References OpenKDIfNeeded().

Referenced by DiskMeter::DiskMeter().

BSDGetBatteryInfo()

void BSDGetBatteryInfo	(	int *	remaining,
		unsigned int *	state
	)

Definition at line 1585 of file kernel.cc.

References BSDGetSensor(), XOSVIEW_BATT_CHARGING, XOSVIEW_BATT_CRITICAL, XOSVIEW_BATT_DISCHARGING, XOSVIEW_BATT_FULL, XOSVIEW_BATT_LOW, and XOSVIEW_BATT_NONE.

Referenced by BtryMeter::getstats().

BSDGetCPUSpeed()

int BSDGetCPUSpeed

(

)

Definition at line 254 of file kernel.cc.

References BSDCountCpus().

Referenced by LoadMeter::checkevent().

BSDGetCPUTimes()

void BSDGetCPUTimes	(	uint64_t *	timeArray,
		unsigned int	cpu
	)

Definition at line 407 of file kernel.cc.

References BSDCountCpus().

Referenced by CPUMeter::getcputime().

BSDGetDiskXFerBytes()

uint64_t BSDGetDiskXFerBytes	(	uint64_t *	read_bytes,
		uint64_t *	write_bytes
	)

Definition at line 804 of file kernel.cc.

References safe_kvm_read(), and safe_kvm_read_symbol().

Referenced by DiskMeter::getstats().

BSDGetIntrStats()

void BSDGetIntrStats	(	uint64_t *	intrCount,
		unsigned int *	intrNbrs
	)

Definition at line 976 of file kernel.cc.

References nlst, and safe_kvm_read().

Referenced by IrqRateMeter::checkResources(), IrqRateMeter::getinfo(), and IntMeter::getirqs().

BSDGetNetInOut()

void BSDGetNetInOut	(	uint64_t *	inbytes,
		uint64_t *	outbytes,
		const char *	netIface,
		bool	ignored
	)

Definition at line 492 of file kernel.cc.

References IFA_STAT.

Referenced by NetMeter::getstats(), and NetMeter::NetMeter().

BSDGetPageStats()

void BSDGetPageStats	(	uint64_t *	meminfo,
		uint64_t *	pageinfo
	)

Definition at line 301 of file kernel.cc.

Referenced by MemMeter::getmeminfo(), PageMeter::getpageinfo(), and PageMeter::PageMeter().

BSDGetSensor()

void BSDGetSensor	(	const char *	name,
		const char *	valname,
		float *	value,
		char *	unit
	)

Definition at line 1275 of file kernel.cc.

Referenced by BSDGetBatteryInfo(), BSDHasBattery(), BSDSensor::checkResources(), and BSDSensor::getsensor().

BSDGetSwapInfo()

void BSDGetSwapInfo	(	uint64_t *	total,
		uint64_t *	used
	)

Definition at line 531 of file kernel.cc.

References kd, and OpenKDIfNeeded().

Referenced by SwapMeter::getswapinfo().

BSDHasBattery()

bool BSDHasBattery

(

)

Definition at line 1532 of file kernel.cc.

References BSDGetSensor().

Referenced by MeterMaker::makeMeters().

BSDInit()

void BSDInit

(

)

Definition at line 198 of file kernel.cc.

References kernelFileName.

Referenced by XOSView::XOSView().

BSDIntrInit()

int BSDIntrInit

(

)

Definition at line 855 of file kernel.cc.

References nlst, OpenKDIfNeeded(), safe_kvm_read(), SymbolValue(), and ValidSymbol().

Referenced by IntMeter::IntMeter(), and IrqRateMeter::IrqRateMeter().

BSDNetInit()

int BSDNetInit

(

)

Definition at line 486 of file kernel.cc.

References OpenKDIfNeeded().

Referenced by NetMeter::NetMeter().

BSDNumInts()

int BSDNumInts

(

)

Definition at line 873 of file kernel.cc.

References nlst, and safe_kvm_read().

Referenced by IntMeter::IntMeter(), and IrqRateMeter::IrqRateMeter().

BSDPageInit()

void BSDPageInit

(

)

Definition at line 294 of file kernel.cc.

References OpenKDIfNeeded().

Referenced by MemMeter::MemMeter(), and PageMeter::PageMeter().

BSDSwapInit()

int BSDSwapInit

(

)

Definition at line 525 of file kernel.cc.

References OpenKDIfNeeded().

Referenced by SwapMeter::SwapMeter().

OpenKDIfNeeded()

void OpenKDIfNeeded

(

)

Definition at line 211 of file kernel.cc.

References DUMMY_SYM, kd, kernelFileName, and nlst.

Referenced by BSDCPUInit(), BSDDiskInit(), BSDGetSwapInfo(), BSDIntrInit(), BSDNetInit(), BSDPageInit(), and BSDSwapInit().

safe_kvm_read()

static void safe_kvm_read ( unsigned long  kernel_addr, void *  user_addr, size_t  nbytes  )

inlinestatic

Definition at line 167 of file kernel.cc.

References kd.

Referenced by BSDGetDiskXFerBytes(), BSDGetIntrStats(), BSDIntrInit(), BSDNumInts(), and safe_kvm_read_symbol().

safe_kvm_read_symbol()

static void safe_kvm_read_symbol ( int  nlstOffset, void *  user_addr, size_t  nbytes  )

inlinestatic

Definition at line 183 of file kernel.cc.

References nlst, and safe_kvm_read().

Referenced by BSDGetDiskXFerBytes().

SetKernelName()

void SetKernelName

(

const char *

kernelName

)

Definition at line 203 of file kernel.cc.

References kernelFileName.

Referenced by XOSView::checkArgs().

SymbolValue()

int SymbolValue

(

int

index

)

Definition at line 193 of file kernel.cc.

References nlst.

Referenced by BSDIntrInit().

ValidSymbol()

int ValidSymbol

(

int

index

)

Definition at line 188 of file kernel.cc.

References nlst.

Referenced by BSDIntrInit().

Variable Documentation

kd

kvm_t* kd = NULL

Definition at line 110 of file kernel.cc.

Referenced by BSDGetSwapInfo(), OpenKDIfNeeded(), and safe_kvm_read().

kernelFileName

char kernelFileName[_POSIX2_LINE_MAX]

static

Definition at line 158 of file kernel.cc.

Referenced by BSDInit(), OpenKDIfNeeded(), and SetKernelName().

mib_cpu

int mib_cpu[2] = { CTL_HW, HW_NCPU }

static

Definition at line 1124 of file kernel.cc.

Referenced by BSDCountCpus().

nlst

struct nlist nlst[]

static

Definition at line 110 of file kernel.cc.

Referenced by BSDGetIntrStats(), BSDIntrInit(), BSDNumInts(), OpenKDIfNeeded(), safe_kvm_read_symbol(), SymbolValue(), and ValidSymbol().