DepSurf

Struct: cpuidle_device

Status

Regular

• In 4.4: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 4.8: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 4.10: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 4.13: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 4.15: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 4.18: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.0: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.3: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_residency;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.4: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.8: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.11: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.13: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.15: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 5.19: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 6.2: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 6.5: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In 6.8: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      u64 last_residency_ns;
      u64 poll_limit_ns;
      u64 forced_idle_latency_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

Arch

• In arm64: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In armhf: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
      cpumask_t coupled_cpus;
      struct cpuidle_coupled *coupled;
  };
  

• In ppc64el: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In riscv64: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

Flavor

• In aws: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In azure: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In gcp: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

• In lowlatency: ✅

  struct cpuidle_device {
      unsigned int registered;
      unsigned int enabled;
      unsigned int use_deepest_state;
      unsigned int poll_time_limit;
      unsigned int cpu;
      ktime_t next_hrtimer;
      int last_state_idx;
      int last_residency;
      u64 poll_limit_ns;
      struct cpuidle_state_usage states_usage[10];
      struct cpuidle_state_kobj * kobjs[10];
      struct cpuidle_driver_kobj *kobj_driver;
      struct cpuidle_device_kobj *kobj_dev;
      struct list_head device_list;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Field added. unsigned int use_deepest_state
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Field added. unsigned int poll_time_limit
• Changed between 5.0 and 5.3 ⚠️

  • Field added. ktime_t next_hrtimer
• Changed between 5.3 and 5.4 ⚠️

  • Field added. int last_state_idx
  • Field added. u64 poll_limit_ns
• Changed between 5.4 and 5.8 ⚠️

  • Field added. u64 last_residency_ns
  • Field added. u64 forced_idle_latency_limit_ns
  • Field removed. unsigned int use_deepest_state
  • Field removed. int last_residency
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• Changed between amd64 and arm64 ⚠️

  • Field type changed. struct cpuidle_driver_kobj *kobj_driver ➡️ struct cpuidle_driver_kobj *kobj_driver
• Changed between amd64 and armhf ⚠️

  • Field added. cpumask_t coupled_cpus
  • Field added. struct cpuidle_coupled *coupled
  • Field type changed. struct cpuidle_driver_kobj *kobj_driver ➡️ struct cpuidle_driver_kobj *kobj_driver
• No changes between amd64 and ppc64el ✅
• Changed between amd64 and riscv64 ⚠️

  • Field type changed. struct cpuidle_state_kobj * kobjs[10] ➡️ struct cpuidle_state_kobj * kobjs[10]
  • Field type changed. struct cpuidle_device_kobj *kobj_dev ➡️ struct cpuidle_device_kobj *kobj_dev

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅