Ejemplo n.º 1
0
static unsigned get_kernel_HZ(void)
{
	if (kernel_HZ)
		return kernel_HZ;

	/* Works for ELF only, Linux 2.4.0+ */
	kernel_HZ = find_elf_note(AT_CLKTCK);
	if (kernel_HZ == (unsigned)-1)
		kernel_HZ = get_HZ_by_waiting();

	G.seconds_since_boot = get_uptime();

	return kernel_HZ;
}
Ejemplo n.º 2
0
static unsigned get_kernel_HZ(void)
{
	//char buf[64];
	struct sysinfo info;

	if (kernel_HZ)
		return kernel_HZ;

	/* Works for ELF only, Linux 2.4.0+ */
	kernel_HZ = find_elf_note(AT_CLKTCK);
	if (kernel_HZ == (unsigned)-1)
		kernel_HZ = get_HZ_by_waiting();

	//if (open_read_close("/proc/uptime", buf, sizeof(buf)) <= 0)
	//	bb_perror_msg_and_die("can't read %s", "/proc/uptime");
	//buf[sizeof(buf)-1] = '\0';
	///sscanf(buf, "%llu", &seconds_since_boot);
	sysinfo(&info);
	seconds_since_boot = info.uptime;

	return kernel_HZ;
}