diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c index c633e8d38b3f..34bce7fec11c 100644 --- a/drivers/android/vendor_hooks.c +++ b/drivers/android/vendor_hooks.c @@ -35,6 +35,7 @@ #include #include #include +#include /* * Export tracepoints that act as a bare tracehook (ie: have no trace event @@ -133,3 +134,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ptype_head); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kfree_skb); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timer_calc_index); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_allow_domain_state); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_enter); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_exit); diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c index b51b5df08450..efc063ffc683 100644 --- a/drivers/cpuidle/cpuidle-psci.c +++ b/drivers/cpuidle/cpuidle-psci.c @@ -25,6 +25,7 @@ #include #include +#include #include "cpuidle-psci.h" #include "dt_idle_states.h" @@ -67,6 +68,8 @@ static int __psci_enter_domain_idle_state(struct cpuidle_device *dev, if (ret) return -1; + trace_android_vh_cpuidle_psci_enter(dev, s2idle); + /* Do runtime PM to manage a hierarchical CPU toplogy. */ rcu_irq_enter_irqson(); if (s2idle) @@ -88,6 +91,8 @@ static int __psci_enter_domain_idle_state(struct cpuidle_device *dev, pm_runtime_get_sync(pd_dev); rcu_irq_exit_irqson(); + trace_android_vh_cpuidle_psci_exit(dev, s2idle); + cpu_pm_exit(); /* Clear the domain state to start fresh when back from idle. */ diff --git a/include/trace/hooks/cpuidle_psci.h b/include/trace/hooks/cpuidle_psci.h new file mode 100644 index 000000000000..94b01eba0b4e --- /dev/null +++ b/include/trace/hooks/cpuidle_psci.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM cpuidle_psci +#define TRACE_INCLUDE_PATH trace/hooks +#if !defined(_TRACE_HOOK_CPUIDLE_PSCI_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HOOK_CPUIDLE_PSCI_H +#include +#include +/* + * Following tracepoints are not exported in tracefs and provide a + * mechanism for vendor modules to hook and extend functionality + */ + +struct cpuidle_device; +DECLARE_HOOK(android_vh_cpuidle_psci_enter, + TP_PROTO(struct cpuidle_device *dev, bool s2idle), + TP_ARGS(dev, s2idle)); + +DECLARE_HOOK(android_vh_cpuidle_psci_exit, + TP_PROTO(struct cpuidle_device *dev, bool s2idle), + TP_ARGS(dev, s2idle)); + +#endif /* _TRACE_HOOK_CPUIDLE_PSCI_H */ +/* This part must be outside protection */ +#include