diff options
Diffstat (limited to 'lib/psci/psci_off.c')
| -rw-r--r-- | lib/psci/psci_off.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/psci/psci_off.c b/lib/psci/psci_off.c index 471141dd..1cc6ede3 100644 --- a/lib/psci/psci_off.c +++ b/lib/psci/psci_off.c @@ -33,6 +33,8 @@ #include <assert.h> #include <debug.h> #include <platform.h> +#include <pmf.h> +#include <runtime_instr.h> #include <string.h> #include "psci_private.h" @@ -153,6 +155,19 @@ exit: dsbish(); inv_cpu_data(psci_svc_cpu_data.aff_info_state); +#if ENABLE_RUNTIME_INSTRUMENTATION + + /* + * Update the timestamp with cache off. We assume this + * timestamp can only be read from the current CPU and the + * timestamp cache line will be flushed before return to + * normal world on wakeup. + */ + PMF_CAPTURE_TIMESTAMP(rt_instr_svc, + RT_INSTR_ENTER_HW_LOW_PWR, + PMF_NO_CACHE_MAINT); +#endif + if (psci_plat_pm_ops->pwr_domain_pwr_down_wfi) { /* This function must not return */ psci_plat_pm_ops->pwr_domain_pwr_down_wfi(&state_info); |