cur_wall_time 120 drivers/cpufreq/cpufreq.c u64 cur_wall_time; cur_wall_time 123 drivers/cpufreq/cpufreq.c cur_wall_time = jiffies64_to_nsecs(get_jiffies_64()); cur_wall_time 132 drivers/cpufreq/cpufreq.c idle_time = cur_wall_time - busy_time; cur_wall_time 134 drivers/cpufreq/cpufreq.c *wall = div_u64(cur_wall_time, NSEC_PER_USEC);