From d723168991c1980f75000114fc72691007a98946 Mon Sep 17 00:00:00 2001 From: Pavankumar Kondeti Date: Fri, 5 Mar 2021 04:31:50 +0530 Subject: [PATCH] ANDROID: cpufreq: Add a restricted vendor hook for freq transition A restricted vendor hook for cpufreq transition. The hook is invoked per policy after changing the policy->cur and passes policy as an argument. Bug: 181889516 Change-Id: I6f89850779fdd63e178e227c293f42b7f66fd78d Signed-off-by: Pavankumar Kondeti --- drivers/android/vendor_hooks.c | 1 + drivers/cpufreq/cpufreq.c | 2 ++ include/trace/hooks/cpufreq.h | 4 ++++ 3 files changed, 7 insertions(+) diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c index c457f49cfa71..d42aa91214a3 100644 --- a/drivers/android/vendor_hooks.c +++ b/drivers/android/vendor_hooks.c @@ -162,3 +162,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_update_topology_flags_workfn); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_balance_rt); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pick_next_entity); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_wakeup); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 76312be32c48..3bf4ed9099c3 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -390,6 +390,7 @@ static void cpufreq_notify_transition(struct cpufreq_policy *policy, cpufreq_stats_record_transition(policy, freqs->new); cpufreq_times_record_transition(policy, freqs->new); policy->cur = freqs->new; + trace_android_rvh_cpufreq_transition(policy); } } @@ -2111,6 +2112,7 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy, arch_set_freq_scale(policy->related_cpus, freq, policy->cpuinfo.max_freq); cpufreq_stats_record_transition(policy, freq); + trace_android_rvh_cpufreq_transition(policy); if (trace_cpu_frequency_enabled()) { for_each_cpu(cpu, policy->cpus) diff --git a/include/trace/hooks/cpufreq.h b/include/trace/hooks/cpufreq.h index 68cced175ac8..952c9f26e8a9 100644 --- a/include/trace/hooks/cpufreq.h +++ b/include/trace/hooks/cpufreq.h @@ -20,6 +20,10 @@ DECLARE_HOOK(android_vh_freq_table_limits, unsigned int max_freq), TP_ARGS(policy, min_freq, max_freq)); +DECLARE_RESTRICTED_HOOK(android_rvh_cpufreq_transition, + TP_PROTO(struct cpufreq_policy *policy), + TP_ARGS(policy), 1); + #endif /* _TRACE_HOOK_CPUFREQ_H */ /* This part must be outside protection */ #include