/*
* \brief Initialize measuring for performance analysis.
*
* An overflow will be registered and the counter will set such that this
* overflow occures every ctr counter steps.
*/
void perfmon_measure_start(uint8_t event, uint8_t umask,
uint8_t counter_id, bool kernel, uint64_t ctr)
{
// Activate APIC interrupts for overflow if init successful
/* if(ctr!=0) { */
/* if(perfmon_amd || perfmon_intel) { */
/* printf("Starting APIC perf interrupt\n"); */
/* apic_perfcnt_init(); */
/* } */
/* } */
if(perfmon_amd) {
perfmon_amd_measure_write(ctr*-1, 0);
perfmon_amd_measure_start(event, umask, kernel, counter_id, ctr!=0);
}
// Activate performance measurement for Intel
if(perfmon_intel) {
printf("Starting perfmon on Intel...\n");
perfmon_intel_measure_write(ctr*-1);
perfmon_intel_measure_start(event, umask, kernel, counter_id, ctr!=0);
}
perfmon_cntr_init = ctr;
perfmon_event = event;
perfmon_umask = umask;
perfmon_kernel = kernel;
perfmon_counter_id = counter_id;
perfmon_ctr = ctr;
timing_apic_timer_set_ms(1);
mycnt_incr = 1;
}
/*
* Re-Initialize counter after overflow.
* This function is called from the interrupt processing.
*/
void perfmon_measure_reset(void)
{
if(perfmon_amd) {
perfmon_amd_measure_write(perfmon_cntr_init*-1, 0);
}
if(perfmon_intel) {
perfmon_intel_reset();
perfmon_intel_measure_write(perfmon_cntr_init*-1);
perfmon_intel_measure_start(perfmon_event, perfmon_umask, perfmon_kernel, perfmon_counter_id, perfmon_ctr!=0);
}
}
void perfmon_measure_write(uint8_t counter_id, uint64_t val)
{
if(perfmon_amd) {
perfmon_amd_measure_write(val, counter_id);
}
if(perfmon_intel) {
perfmon_intel_measure_write(val);
}
}
/*
* \brief Initialize measuring for performance analysis.
*
* An overflow will be registered and the counter will set such that this
* overflow occures every ctr counter steps.
*/
void perfmon_measure_start(uint8_t event, uint8_t umask,
uint8_t counter_id, bool kernel, uint64_t ctr)
{
// Activate APIC interrupts for overflow if init successful
if(ctr!=0) {
if(perfmon_amd || perfmon_intel) {
apic_perfcnt_init();
}
}
// Activate performance measurement for Intel
if(perfmon_amd) {
perfmon_amd_measure_write(ctr*-1, 0);
perfmon_amd_measure_start(event, umask, kernel, counter_id, ctr!=0);
perfmon_cntr_init = ctr;
}
}
/*
* Re-Initialize counter after overflow.
* This function is called from the interrupt processing.
*/
void perfmon_measure_reset(void)
{
if(perfmon_amd) {
perfmon_amd_measure_write(perfmon_cntr_init*-1, 0);
}
}