search for: vmi_get_real_cycl

...DEFINE_PER_CPU(unsigned long long, process_times_cycles_accounted_cpu); + +/* The number of stolen cycles accounted, per cpu. */ +static DEFINE_PER_CPU(unsigned long long, stolen_cycles_accounted_cpu); + +static unsigned long get_offset_vmi(void) +{ + unsigned long long cur_cycles; + + cur_cycles = vmi_get_real_cycles(); + + /* real_cycles_accounted_system is safe to read because this + * routine is always called with at least the xtime_lock read lock. */ + if (cur_cycles < real_cycles_accounted_system) { + return 0; + } + return cycles_2_us(cur_cycles - real_cycles_accounted_system); +} + +static unsign...

...DEFINE_PER_CPU(unsigned long long, process_times_cycles_accounted_cpu); + +/* The number of stolen cycles accounted, per cpu. */ +static DEFINE_PER_CPU(unsigned long long, stolen_cycles_accounted_cpu); + +static unsigned long get_offset_vmi(void) +{ + unsigned long long cur_cycles; + + cur_cycles = vmi_get_real_cycles(); + + /* real_cycles_accounted_system is safe to read because this + * routine is always called with at least the xtime_lock read lock. */ + if (cur_cycles < real_cycles_accounted_system) { + return 0; + } + return cycles_2_us(cur_cycles - real_cycles_accounted_system); +} + +static unsign...

...} + +/* Called from interrupt handlers when (local) HZ timer is disabled. */ +void vmi_account_time_restart_hz_timer(struct pt_regs *regs, int cpu) +{ + unsigned long long cur_real_cycles, cur_process_times_cycles; + /* Account the time during which the HZ timer was disabled. */ + cur_real_cycles = vmi_get_real_cycles(); + cur_process_times_cycles = vmi_get_available_cycles(); + /* Update system wide (real) time state (xtime, jiffies). */ + vmi_account_real_cycles(regs, cur_real_cycles); + /* Update per-cpu idle times. */ + vmi_account_no_hz_idle_cycles(regs, cpu, cur_process_times_cycles); + /* Update...

...} + +/* Called from interrupt handlers when (local) HZ timer is disabled. */ +void vmi_account_time_restart_hz_timer(struct pt_regs *regs, int cpu) +{ + unsigned long long cur_real_cycles, cur_process_times_cycles; + /* Account the time during which the HZ timer was disabled. */ + cur_real_cycles = vmi_get_real_cycles(); + cur_process_times_cycles = vmi_get_available_cycles(); + /* Update system wide (real) time state (xtime, jiffies). */ + vmi_account_real_cycles(regs, cur_real_cycles); + /* Update per-cpu idle times. */ + vmi_account_no_hz_idle_cycles(regs, cpu, cur_process_times_cycles); + /* Update...