diff options
Diffstat (limited to 'arch/x86/kernel/apm_32.c')
| -rw-r--r-- | arch/x86/kernel/apm_32.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index 9f4bc6a1164d..66b5faffe14a 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -920,29 +920,30 @@ static int apm_cpu_idle(struct cpuidle_device *dev, static int use_apm_idle; /* = 0 */ static unsigned int last_jiffies; /* = 0 */ static unsigned int last_stime; /* = 0 */ + cputime_t stime; int apm_idle_done = 0; unsigned int jiffies_since_last_check = jiffies - last_jiffies; unsigned int bucket; recalc: + task_cputime(current, NULL, &stime); if (jiffies_since_last_check > IDLE_CALC_LIMIT) { use_apm_idle = 0; - last_jiffies = jiffies; - last_stime = current->stime; } else if (jiffies_since_last_check > idle_period) { unsigned int idle_percentage; - idle_percentage = current->stime - last_stime; + idle_percentage = stime - last_stime; idle_percentage *= 100; idle_percentage /= jiffies_since_last_check; use_apm_idle = (idle_percentage > idle_threshold); if (apm_info.forbid_idle) use_apm_idle = 0; - last_jiffies = jiffies; - last_stime = current->stime; } + last_jiffies = jiffies; + last_stime = stime; + bucket = IDLE_LEAKY_MAX; while (!need_resched()) { |