C++ (Cpp) usecs_to_cputime64 Examples

Example #1

File: htc_util.c Project: Buckmarble/Lunar_kernel_sense_m7

static u64 get_idle_time(int cpu)
{
	u64 idle, idle_time = get_cpu_idle_time_us(cpu, NULL);

	if (idle_time == -1ULL)
		
		idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
	else
		idle = usecs_to_cputime64(idle_time);

	return idle;
}

Example #2

File: htc_util.c Project: Buckmarble/Lunar_kernel_sense_m7

static u64 get_iowait_time(int cpu)
{
	u64 iowait, iowait_time = get_cpu_iowait_time_us(cpu, NULL);

	if (iowait_time == -1ULL)
		
		iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
	else
		iowait = usecs_to_cputime64(iowait_time);

	return iowait;
}

Example #3

static u64 get_idle_time(int cpu)
{
	u64 idle, idle_time = get_cpu_idle_time_us(cpu, NULL);

	if (idle_time == -1ULL)
		/* !NO_HZ or cpu offline so we can rely on cpustat.idle */
		idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
	else
		idle = usecs_to_cputime64(idle_time);

	return idle;
}

Example #4

static cputime64_t get_iowait_time(int cpu)
{
	u64 iowait_time = get_cpu_iowait_time_us(cpu, NULL);
	cputime64_t iowait;

	if (iowait_time == -1ULL)
		/* !NO_HZ so we can rely on cpustat.iowait */
		iowait = kstat_cpu(cpu).cpustat.iowait;
	else
		iowait = usecs_to_cputime64(iowait_time);

	return iowait;
}

Example #5

static cputime64_t get_idle_time(int cpu)
{
	u64 idle_time = get_cpu_idle_time_us(cpu, NULL);
	cputime64_t idle;

	if (idle_time == -1ULL) {
		/* !NO_HZ so we can rely on cpustat.idle */
		idle = kstat_cpu(cpu).cpustat.idle;
		idle = cputime64_add(idle, arch_idle_time(cpu));
	} else
		idle = usecs_to_cputime64(idle_time);

	return idle;
}

Example #6

File: stat.c Project: 383530895/linux

static u64 get_iowait_time(int cpu)
{
	u64 iowait, iowait_time = -1ULL;

	if (cpu_online(cpu))
		iowait_time = get_cpu_iowait_time_us(cpu, NULL);

	if (iowait_time == -1ULL)
		/* !NO_HZ or cpu offline so we can rely on cpustat.iowait */
		iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
	else
		iowait = usecs_to_cputime64(iowait_time);

	return iowait;
}

Example #7

File: stat.c Project: 4Fwolf/motorola-hawk-kernel-3.4.67

static u64 get_idle_time(int cpu)
{
    #ifdef CONFIG_MTK_IDLE_TIME_FIX
	u64 idle, idle_time = get_cpu_idle_time_us_wo_cpuoffline(cpu, NULL);
    #else
    u64 idle, idle_time = get_cpu_idle_time_us(cpu, NULL);
    #endif
	
	if (idle_time == -1ULL)
		/* !NO_HZ or cpu offline so we can rely on cpustat.idle */
		idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
	else
		idle = usecs_to_cputime64(idle_time);

	return idle;
}

Example #8

File: stat.c Project: 4Fwolf/motorola-hawk-kernel-3.4.67

static u64 get_iowait_time(int cpu)
{
	u64 iowait, iowait_time = -1ULL;
    #ifdef CONFIG_MTK_IDLE_TIME_FIX
	iowait_time = get_cpu_iowait_time_us_wo_cpuoffline(cpu, NULL);
    #else
	iowait_time = get_cpu_iowait_time_us(cpu, NULL);
	#endif
	
	if (iowait_time == -1ULL)
		/* !NO_HZ or cpu offline so we can rely on cpustat.iowait */
		iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
	else
		iowait = usecs_to_cputime64(iowait_time);

	return iowait;
}

Example #9

File: proc_cpu_usage.c Project: NhlalukoG/android_kernel_samsung_goyave3g

static u64 get_iowait_time(int cpu)
{
	u64 iowait, iowait_time = -1ULL;

	/* FIXME: the iowait time from get_cpu_iowait_time_us() is reset while CPU is hot-pluged.
	 *        Using cpustat[CPUTIME_IOWAIT] to get iowait. It isn't very accurate, but stable */
#if 0
	if (cpu_online(cpu))
		iowait_time = get_cpu_iowait_time_us(cpu, NULL);
#endif

	if (iowait_time == -1ULL)
		iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
	else
		iowait = usecs_to_cputime64(iowait_time);

	return iowait;
}

Example #10

File: proc_cpu_usage.c Project: NhlalukoG/android_kernel_samsung_goyave3g

static u64 get_idle_time(int cpu)
{
	u64 idle, idle_time = -1ULL;

	/* FIXME: the idle time from get_cpu_idle_time_us() is reset while CPU is hot-pluged.
	 *        Using cpustat[CPUTIME_IDLE] to get idle. It isn't very accurate, but stable */
#if 0
	if (cpu_online(cpu))
		idle_time = get_cpu_idle_time_us(cpu, NULL);
#endif

	if (idle_time == -1ULL)
		idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
	else
		idle = usecs_to_cputime64(idle_time);

	//FIXME: this idle function has bug on our shark platform:
	//       not monotone increasing
	if(DEBUG_PRINT) printk("acedebug: get_idle_time: cpu=%d, idle=%llu\n", cpu, idle);

	return idle;
}