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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-03-14 14:22:03 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-03-14 14:22:03 +0100 |
commit | 4ed39004271280d2b5fc6929b2782c0e330f6895 (patch) | |
tree | d0f3bc36dd0598bf6d9d7f7321992111f349bfb3 /include | |
parent | b5d5fad9bed079a4f182e4d282ca29380e8c08f2 (diff) | |
parent | 4fec7ad5f637159525265a45f66482cf8817b45f (diff) | |
download | linux-4ed39004271280d2b5fc6929b2782c0e330f6895.tar.bz2 |
Merge branch 'pm-cpufreq'
* pm-cpufreq: (94 commits)
intel_pstate: Do not skip samples partially
intel_pstate: Remove freq calculation from intel_pstate_calc_busy()
intel_pstate: Move intel_pstate_calc_busy() into get_target_pstate_use_performance()
intel_pstate: Optimize calculation for max/min_perf_adj
intel_pstate: Remove extra conversions in pid calculation
cpufreq: Move scheduler-related code to the sched directory
Revert "cpufreq: postfix policy directory with the first CPU in related_cpus"
cpufreq: Reduce cpufreq_update_util() overhead a bit
cpufreq: Select IRQ_WORK if CPU_FREQ_GOV_COMMON is set
cpufreq: Remove 'policy->governor_enabled'
cpufreq: Rename __cpufreq_governor() to cpufreq_governor()
cpufreq: Relocate handle_update() to kill its declaration
cpufreq: governor: Drop unnecessary checks from show() and store()
cpufreq: governor: Fix race in dbs_update_util_handler()
cpufreq: governor: Make gov_set_update_util() static
cpufreq: governor: Narrow down the dbs_data_mutex coverage
cpufreq: governor: Make dbs_data_mutex static
cpufreq: governor: Relocate definitions of tuners structures
cpufreq: governor: Move per-CPU data to the common code
cpufreq: governor: Make governor private data per-policy
...
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/cpufreq.h | 47 | ||||
-rw-r--r-- | include/linux/sched.h | 9 | ||||
-rw-r--r-- | include/trace/events/power.h | 22 |
3 files changed, 38 insertions, 40 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 88a4215125bc..718e8725de8a 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -80,7 +80,6 @@ struct cpufreq_policy { unsigned int last_policy; /* policy before unplug */ struct cpufreq_governor *governor; /* see below */ void *governor_data; - bool governor_enabled; /* governor start/stop flag */ char last_governor[CPUFREQ_NAME_LEN]; /* last governor used */ struct work_struct update; /* if update_policy() needs to be @@ -100,10 +99,6 @@ struct cpufreq_policy { * - Any routine that will write to the policy structure and/or may take away * the policy altogether (eg. CPU hotplug), will hold this lock in write * mode before doing so. - * - * Additional rules: - * - Lock should not be held across - * __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); */ struct rw_semaphore rwsem; @@ -464,29 +459,8 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, int cpufreq_register_governor(struct cpufreq_governor *governor); void cpufreq_unregister_governor(struct cpufreq_governor *governor); -/* CPUFREQ DEFAULT GOVERNOR */ -/* - * Performance governor is fallback governor if any other gov failed to auto - * load due latency restrictions - */ -#ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE -extern struct cpufreq_governor cpufreq_gov_performance; -#endif -#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE -#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_performance) -#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE) -extern struct cpufreq_governor cpufreq_gov_powersave; -#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_powersave) -#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE) -extern struct cpufreq_governor cpufreq_gov_userspace; -#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_userspace) -#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND) -extern struct cpufreq_governor cpufreq_gov_ondemand; -#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_ondemand) -#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE) -extern struct cpufreq_governor cpufreq_gov_conservative; -#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_conservative) -#endif +struct cpufreq_governor *cpufreq_default_governor(void); +struct cpufreq_governor *cpufreq_fallback_governor(void); /********************************************************************* * FREQUENCY TABLE HELPERS * @@ -525,16 +499,6 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, } #endif -static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos) -{ - while ((*pos)->frequency != CPUFREQ_TABLE_END) - if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID) - return true; - else - (*pos)++; - return false; -} - /* * cpufreq_for_each_entry - iterate over a cpufreq_frequency_table * @pos: the cpufreq_frequency_table * to use as a loop cursor. @@ -551,8 +515,11 @@ static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos) * @table: the cpufreq_frequency_table * to iterate over. */ -#define cpufreq_for_each_valid_entry(pos, table) \ - for (pos = table; cpufreq_next_valid(&pos); pos++) +#define cpufreq_for_each_valid_entry(pos, table) \ + for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++) \ + if (pos->frequency == CPUFREQ_ENTRY_INVALID) \ + continue; \ + else int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); diff --git a/include/linux/sched.h b/include/linux/sched.h index a10494a94cc3..913e755ef7b8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -3207,4 +3207,13 @@ static inline unsigned long rlimit_max(unsigned int limit) return task_rlimit_max(current, limit); } +#ifdef CONFIG_CPU_FREQ +struct update_util_data { + void (*func)(struct update_util_data *data, + u64 time, unsigned long util, unsigned long max); +}; + +void cpufreq_set_update_util_data(int cpu, struct update_util_data *data); +#endif /* CONFIG_CPU_FREQ */ + #endif diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 284244ebfe8d..19e50300ce7d 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -38,6 +38,28 @@ DEFINE_EVENT(cpu, cpu_idle, TP_ARGS(state, cpu_id) ); +TRACE_EVENT(powernv_throttle, + + TP_PROTO(int chip_id, const char *reason, int pmax), + + TP_ARGS(chip_id, reason, pmax), + + TP_STRUCT__entry( + __field(int, chip_id) + __string(reason, reason) + __field(int, pmax) + ), + + TP_fast_assign( + __entry->chip_id = chip_id; + __assign_str(reason, reason); + __entry->pmax = pmax; + ), + + TP_printk("Chip %d Pmax %d %s", __entry->chip_id, + __entry->pmax, __get_str(reason)) +); + TRACE_EVENT(pstate_sample, TP_PROTO(u32 core_busy, |