trace-agent.c File Reference

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "trace-agent.h"

Go to the source code of this file.

Macros
#define	_GNU_SOURCE
#define	PAGE_SIZE   (sysconf(_SC_PAGE_SIZE))
#define	PIPE_DEF_BUFS   16
#define	PIPE_MIN_SIZE   (PAGE_SIZE*PIPE_DEF_BUFS)
#define	PIPE_MAX_SIZE   (1024*1024)
#define	READ_PATH_FMT   "/sys/kernel/debug/tracing/per_cpu/cpu%d/trace_pipe_raw"
#define	WRITE_PATH_FMT   "/dev/virtio-ports/trace-path-cpu%d"
#define	CTL_PATH   "/dev/virtio-ports/agent-ctl-path"

Functions
int	main (int argc, char *argv[])

Variables
pthread_mutex_t	mutex_notify = PTHREAD_MUTEX_INITIALIZER
pthread_cond_t	cond_wakeup = PTHREAD_COND_INITIALIZER

Macro Definition Documentation

#define _GNU_SOURCE

Definition at line 12 of file trace-agent.c.

#define CTL_PATH   "/dev/virtio-ports/agent-ctl-path"

Definition at line 26 of file trace-agent.c.

#define PAGE_SIZE   (sysconf(_SC_PAGE_SIZE))

Definition at line 19 of file trace-agent.c.

#define PIPE_DEF_BUFS   16

Definition at line 20 of file trace-agent.c.

#define PIPE_MAX_SIZE   (1024*1024)

Definition at line 22 of file trace-agent.c.

#define PIPE_MIN_SIZE   (PAGE_SIZE*PIPE_DEF_BUFS)

Definition at line 21 of file trace-agent.c.

#define READ_PATH_FMT   "/sys/kernel/debug/tracing/per_cpu/cpu%d/trace_pipe_raw"

Definition at line 23 of file trace-agent.c.

#define WRITE_PATH_FMT   "/dev/virtio-ports/trace-path-cpu%d"

Definition at line 25 of file trace-agent.c.

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 258 of file trace-agent.c.

Variable Documentation

pthread_cond_t cond_wakeup = PTHREAD_COND_INITIALIZER

Definition at line 29 of file trace-agent.c.

pthread_mutex_t mutex_notify = PTHREAD_MUTEX_INITIALIZER

Definition at line 28 of file trace-agent.c.