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macintosh/rack-meter: Convert cputime64_t use to u64

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cputime_t is going to be removed and replaced by nsecs units,
so convert the drivers/macintosh/rack-meter.c use to u64..

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Stanislaw Gruszka <[email protected]>
Cc: Wanpeng Li <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Frederic Weisbecker 2017-01-31 04:09:20 +01:00 • committed by Ingo Molnar
commit 564b733c89
1 changed files with 15 additions and 15 deletions
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30
drivers/macintosh/rack-meter.c
View file

@ -52,8 +52,8 @@ struct rackmeter_dma {
struct rackmeter_cpu {
struct delayed_work sniffer;
struct rackmeter *rm;
cputime64_t prev_wall;
cputime64_t prev_idle;
u64 prev_wall;
u64 prev_idle;
int zero;
} ____cacheline_aligned;
@ -81,7 +81,7 @@ static int rackmeter_ignore_nice;
/* This is copied from cpufreq_ondemand, maybe we should put it in
* a common header somewhere
*/
static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
static inline u64 get_cpu_idle_time(unsigned int cpu)
{
u64 retval;
@ -91,7 +91,7 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
if (rackmeter_ignore_nice)
retval += kcpustat_cpu(cpu).cpustat[CPUTIME_NICE];
return nsecs_to_cputime64(retval);
return retval;
}
static void rackmeter_setup_i2s(struct rackmeter *rm)
@ -217,23 +217,23 @@ static void rackmeter_do_timer(struct work_struct *work)
container_of(work, struct rackmeter_cpu, sniffer.work);
struct rackmeter *rm = rcpu->rm;
unsigned int cpu = smp_processor_id();
cputime64_t cur_jiffies, total_idle_ticks;
unsigned int total_ticks, idle_ticks;
u64 cur_nsecs, total_idle_nsecs;
u64 total_nsecs, idle_nsecs;
int i, offset, load, cumm, pause;
cur_jiffies = jiffies64_to_cputime64(get_jiffies_64());
total_ticks = (unsigned int) (cur_jiffies - rcpu->prev_wall);
rcpu->prev_wall = cur_jiffies;
cur_nsecs = jiffies64_to_nsecs(get_jiffies_64());
total_nsecs = cur_nsecs - rcpu->prev_wall;
rcpu->prev_wall = cur_nsecs;
total_idle_ticks = get_cpu_idle_time(cpu);
idle_ticks = (unsigned int) (total_idle_ticks - rcpu->prev_idle);
idle_ticks = min(idle_ticks, total_ticks);
rcpu->prev_idle = total_idle_ticks;
total_idle_nsecs = get_cpu_idle_time(cpu);
idle_nsecs = total_idle_nsecs - rcpu->prev_idle;
idle_nsecs = min(idle_nsecs, total_nsecs);
rcpu->prev_idle = total_idle_nsecs;
/* We do a very dumb calculation to update the LEDs for now,
* we'll do better once we have actual PWM implemented
*/
load = (9 * (total_ticks - idle_ticks)) / total_ticks;
load = div64_u64(9 * (total_nsecs - idle_nsecs), total_nsecs);
offset = cpu << 3;
cumm = 0;
@ -278,7 +278,7 @@ static void rackmeter_init_cpu_sniffer(struct rackmeter *rm)
continue;
rcpu = &rm->cpu[cpu];
rcpu->prev_idle = get_cpu_idle_time(cpu);
rcpu->prev_wall = jiffies64_to_cputime64(get_jiffies_64());
rcpu->prev_wall = jiffies64_to_nsecs(get_jiffies_64());
schedule_delayed_work_on(cpu, &rm->cpu[cpu].sniffer,
msecs_to_jiffies(CPU_SAMPLING_RATE));
}