void read_stats(struct stats *st)
{
read_stat_cpu(&st->cpu, 2, &st->uptime, &st->uptime0);
read_sysfs_disk(&st->disk, "sda");
read_net_dev(&st->net, 1);
read_meminfo(&st->mem);
}
/*
***************************************************************************
* Read CPU statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_stat_cpu(struct activity *a)
{
struct stats_cpu *st_cpu
= (struct stats_cpu *) a->_buf0;
/* Read CPU statistics */
read_stat_cpu(st_cpu, a->nr, &record_hdr.uptime, &record_hdr.uptime0);
return;
}
/*
***************************************************************************
* Main loop: Read I/O stats from the relevant sources and display them.
*
* IN:
* @count Number of lines of stats to print.
* @rectime Current date and time.
***************************************************************************
*/
void rw_io_stat_loop(long int count, struct tm *rectime)
{
int curr = 1;
int skip = 0;
/* Should we skip first report? */
if (DISPLAY_OMIT_SINCE_BOOT(flags) && interval > 0) {
skip = 1;
}
/* Don't buffer data if redirected to a pipe */
setbuf(stdout, NULL);
do {
if (cpu_nr > 1) {
/*
* Read system uptime (only for SMP machines).
* Init uptime0. So if /proc/uptime cannot fill it,
* this will be done by /proc/stat.
*/
uptime0[curr] = 0;
read_uptime(&(uptime0[curr]));
}
/*
* Read stats for CPU "all" and 0.
* Note that stats for CPU 0 are not used per se. It only makes
* read_stat_cpu() fill uptime0.
*/
read_stat_cpu(st_cpu[curr], 2, &(uptime[curr]), &(uptime0[curr]));
if (dlist_idx) {
/*
* A device or partition name was explicitly entered
* on the command line, with or without -p option
* (but not -p ALL).
*/
if (HAS_DISKSTATS(flags) && !DISPLAY_PARTITIONS(flags)) {
read_diskstats_stat(curr);
}
else if (HAS_SYSFS(flags)) {
read_sysfs_dlist_stat(curr);
}
}
else {
/*
* No devices nor partitions entered on the command line
* (for example if -p ALL was used).
*/
if (HAS_DISKSTATS(flags)) {
read_diskstats_stat(curr);
}
else if (HAS_SYSFS(flags)) {
read_sysfs_stat(curr);
}
}
/* Compute device groups stats */
if (group_nr > 0) {
compute_device_groups_stats(curr);
}
/* Get time */
get_localtime(rectime, 0);
/* Check whether we should skip first report */
if (!skip) {
/* Print results */
write_stats(curr, rectime);
if (count > 0) {
count--;
}
}
else {
skip = 0;
}
if (count) {
curr ^= 1;
pause();
}
}
while (count);
}
