diff options
Diffstat (limited to 'services/std_svc/psci/psci_off.c')
-rw-r--r-- | services/std_svc/psci/psci_off.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/services/std_svc/psci/psci_off.c b/services/std_svc/psci/psci_off.c index 686666d54f..36dab4972e 100644 --- a/services/std_svc/psci/psci_off.c +++ b/services/std_svc/psci/psci_off.c @@ -100,6 +100,11 @@ int psci_do_cpu_off(unsigned int end_pwrlvl) */ psci_do_state_coordination(end_pwrlvl, &state_info); +#if ENABLE_PSCI_STAT + /* Update the last cpu for each level till end_pwrlvl */ + psci_stats_update_pwr_down(end_pwrlvl, &state_info); +#endif + /* * Arch. management. Perform the necessary steps to flush all * cpu caches. @@ -112,6 +117,16 @@ int psci_do_cpu_off(unsigned int end_pwrlvl) */ psci_plat_pm_ops->pwr_domain_off(&state_info); +#if ENABLE_PSCI_STAT + /* + * Capture time-stamp while entering low power state. + * No cache maintenance needed because caches are off + * and writes are direct to main memory. + */ + PMF_CAPTURE_TIMESTAMP(psci_svc, PSCI_STAT_ID_ENTER_LOW_PWR, + PMF_NO_CACHE_MAINT); +#endif + exit: /* * Release the locks corresponding to each power level in the |