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| author |   Len Brown <len.brown@intel.com> | 2010-06-04 15:23:02 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-06-04 15:23:02 -0400 |
| commit | 85f1bb4ace038289d587bcff64128be10613f9f3 (patch) | |
| tree | eb49b8bebcca5d43e93ef38dcc956a784f7243ca /drivers/acpi | |
| parent | Merge branches 'bugzilla-14668' and 'misc-2.6.35' into release (diff) | |
| parent | ACPI: Eliminate us to pm ticks conversion in common path (diff) | |
| download | linux-dev-85f1bb4ace038289d587bcff64128be10613f9f3.tar.xz linux-dev-85f1bb4ace038289d587bcff64128be10613f9f3.zip | |
Merge branch 'acpi-idle' into release
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 2e8c27d48f2b..b1b385692f46 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -80,7 +80,7 @@ module_param(nocst, uint, 0000); static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); -static s64 us_to_pm_timer_ticks(s64 t) +static u64 us_to_pm_timer_ticks(s64 t) { return div64_u64(t * PM_TIMER_FREQUENCY, 1000000); } @@ -731,10 +731,10 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) seq_puts(seq, "demotion[--] "); - seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", + seq_printf(seq, "latency[%03d] usage[%08d] duration[%020Lu]\n", pr->power.states[i].latency, pr->power.states[i].usage, - (unsigned long long)pr->power.states[i].time); + us_to_pm_timer_ticks(pr->power.states[i].time)); } end: @@ -861,7 +861,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, ktime_t kt1, kt2; s64 idle_time_ns; s64 idle_time; - s64 sleep_ticks = 0; pr = __get_cpu_var(processors); @@ -906,8 +905,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, idle_time = idle_time_ns; do_div(idle_time, NSEC_PER_USEC); - sleep_ticks = us_to_pm_timer_ticks(idle_time); - /* Tell the scheduler how much we idled: */ sched_clock_idle_wakeup_event(idle_time_ns); @@ -918,7 +915,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, cx->usage++; lapic_timer_state_broadcast(pr, cx, 0); - cx->time += sleep_ticks; + cx->time += idle_time; return idle_time; } @@ -940,7 +937,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, ktime_t kt1, kt2; s64 idle_time_ns; s64 idle_time; - s64 sleep_ticks = 0; pr = __get_cpu_var(processors); @@ -1022,11 +1018,10 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, spin_unlock(&c3_lock); } kt2 = ktime_get_real(); - idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1)); + idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1)); idle_time = idle_time_ns; do_div(idle_time, NSEC_PER_USEC); - sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ sched_clock_idle_wakeup_event(idle_time_ns); @@ -1037,7 +1032,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, cx->usage++; lapic_timer_state_broadcast(pr, cx, 0); - cx->time += sleep_ticks; + cx->time += idle_time; return idle_time; } |