kern_tslog.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/linker.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/sbuf.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/tslog.h>
#include <machine/atomic.h>
#include <machine/cpu.h>

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Data Structures
struct	timestamp
struct	procdata

Macros
#define	TSLOGSIZE   262144

Functions
	__FBSDID ("$FreeBSD$")
void	tslog (void *td, int type, const char *f, const char *s)
static int	sysctl_debug_tslog (SYSCTL_HANDLER_ARGS)
	SYSCTL_PROC (_debug, OID_AUTO, tslog, CTLTYPE_STRING|CTLFLAG_RD|CTLFLAG_MPSAFE, 0, 0, sysctl_debug_tslog, "", "Dump recorded event timestamps")
	MALLOC_DEFINE (M_TSLOGUSER, "tsloguser", "Strings used by userland tslog")
void	tslog_user (pid_t pid, pid_t ppid, const char *execname, const char *namei)
static int	sysctl_debug_tslog_user (SYSCTL_HANDLER_ARGS)
	SYSCTL_PROC (_debug, OID_AUTO, tslog_user, CTLTYPE_STRING|CTLFLAG_RD|CTLFLAG_MPSAFE, 0, 0, sysctl_debug_tslog_user, "", "Dump recorded userland event timestamps")

Variables
static volatile long	nrecs = 0
static struct timestamp	timestamps [TSLOGSIZE]
static struct procdata	procs [PID_MAX+1]

Macro Definition Documentation

TSLOGSIZE

#define TSLOGSIZE   262144

Definition at line 44 of file kern_tslog.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

MALLOC_DEFINE()

MALLOC_DEFINE	(	M_TSLOGUSER	,
		"tsloguser"	,
		"Strings used by userland tslog"
	)

sysctl_debug_tslog()

static int sysctl_debug_tslog ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 76 of file kern_tslog.c.

References nrecs, preload_fetch_addr(), preload_fetch_size(), preload_search_by_type(), sbuf_bcat(), sbuf_delete(), sbuf_finish(), sbuf_new_for_sysctl(), sbuf_printf(), timestamps, and type.

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sysctl_debug_tslog_user()

static int sysctl_debug_tslog_user ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 190 of file kern_tslog.c.

References namei(), procs, sbuf_delete(), sbuf_finish(), sbuf_new_for_sysctl(), and sbuf_printf().

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SYSCTL_PROC() [1/2]

SYSCTL_PROC	(	_debug	,
		OID_AUTO	,
		tslog	,
		CTLTYPE_STRING|CTLFLAG_RD|	CTLFLAG_MPSAFE,
		0	,
		0	,
		sysctl_debug_tslog	,
		""	,
		"Dump recorded event timestamps"
	)

SYSCTL_PROC() [2/2]

SYSCTL_PROC	(	_debug	,
		OID_AUTO	,
		tslog_user	,
		CTLTYPE_STRING|CTLFLAG_RD|	CTLFLAG_MPSAFE,
		0	,
		0	,
		sysctl_debug_tslog_user	,
		""	,
		"Dump recorded userland event timestamps"
	)

tslog()

void tslog	(	void *	td,
		int	type,
		const char *	f,
		const char *	s
	)

Definition at line 57 of file kern_tslog.c.

References timestamp::f, nrecs, timestamp::s, timestamp::td, timestamps, timestamp::tsc, type, and timestamp::type.

tslog_user()

void tslog_user	(	pid_t	pid,
		pid_t	ppid,
		const char *	execname,
		const char *	namei
	)

Definition at line 148 of file kern_tslog.c.

References procdata::execname, free(), procdata::namei, namei(), procdata::ppid, procs, procdata::reused, procdata::tsc_exited, and procdata::tsc_forked.

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Variable Documentation

nrecs

volatile long nrecs = 0

static

Definition at line 47 of file kern_tslog.c.

Referenced by sysctl_debug_tslog(), and tslog().

procs

struct procdata procs[PID_MAX + 1]

static

Referenced by sysctl_debug_tslog_user(), and tslog_user().

timestamps

struct timestamp timestamps[TSLOGSIZE]

static

Referenced by sysctl_debug_tslog(), and tslog().