iostat.c
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iostat.c
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	#include <stdio.h>
	#include <sys/types.h>
	#include <syslog.h>
	#include "libconfig.h"
	#include "iostat.h"

	void read_io_count(struct io_count *iocount) {
	FILE *file = NULL;
	char buf[64] = "";

	if ((file = fopen("/proc/self/io", "r")) != NULL ) {
	while(fgets(buf,sizeof(buf),file)) {
	//syslog(LOG_DEBUG,"/proc/self/io content:%s",buf);
	sscanf(buf,"read_bytes:%d",&(iocount->io_read_count));
	sscanf(buf,"write_bytes:%d",&(iocount->io_write_count));
	}
	fclose (file);
	return;
	}
	else {
	syslog(LOG_ERR,"IOERROR: opening file /proc/self/io\n");
	config_iolog = 0;
	syslog(LOG_ERR,"I/O log has been deactivated\n");
	}
	}