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Revert "Revert "ANDROID: cpufreq: Add a restricted vendor hook for freq transition""

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This reverts commit 3a7f9f00f0.

Some module driver need to know current cpufreq change status
to profile cpu operation.

Bug: 280531400
Change-Id: Ibd7fa6c7e04695d2efc39775767b77b522ba6c06
Signed-off-by: Youngmin Nam <youngmin.nam@samsung.com>
This commit is contained in:
Youngmin Nam 2023-05-08 12:01:37 +09:00 • committed by Treehugger Robot
parent 794e18b1af
commit b8bdb49ef4
3 changed files with 7 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View file

@ -137,6 +137,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction_entry);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_select_worklist_ilocked);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_balance_anon_file_reclaim);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_show_max_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_selinux_avc_insert);

2
drivers/cpufreq/cpufreq.c
View file

@ -391,6 +391,7 @@ 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);
}
}
@ -2143,6 +2144,7 @@ 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)

4
include/trace/hooks/cpufreq.h
View file

@ -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);
DECLARE_HOOK(android_vh_cpufreq_resolve_freq,
TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq,
unsigned int old_target_freq),