website-struct

Struct: perf_event_context

Status

Regular

• In 4.4: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct list_head pinned_groups;
      struct list_head flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
      struct delayed_work orphans_remove;
      bool orphans_remove_sched;
  };
  

• In 4.8: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct list_head pinned_groups;
      struct list_head flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 4.10: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct list_head pinned_groups;
      struct list_head flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 4.13: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct list_head pinned_groups;
      struct list_head flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 4.15: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct list_head pinned_groups;
      struct list_head flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 4.18: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.0: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      atomic_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.3: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.4: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.8: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.11: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.13: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.15: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      u64 timeoffset;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 5.19: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int nr_user;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      u64 timeoffset;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In 6.2: ✅

  struct perf_event_context {
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head pmu_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_user;
      int is_active;
      int nr_task_data;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      u64 timeoffset;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      struct callback_head callback_head;
      local_t nr_pending;
  };
  

• In 6.5: ✅

  struct perf_event_context {
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head pmu_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_user;
      int is_active;
      int nr_task_data;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      u64 timeoffset;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      struct callback_head callback_head;
      local_t nr_pending;
  };
  

• In 6.8: ✅

  struct perf_event_context {
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head pmu_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      int nr_events;
      int nr_user;
      int is_active;
      int nr_task_data;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      u64 timeoffset;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      struct callback_head callback_head;
      local_t nr_pending;
  };
  

Arch

• In arm64: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In armhf: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In ppc64el: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In riscv64: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

Flavor

• In aws: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In azure: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In gcp: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

• In lowlatency: ✅

  struct perf_event_context {
      struct pmu *pmu;
      raw_spinlock_t lock;
      struct mutex mutex;
      struct list_head active_ctx_list;
      struct perf_event_groups pinned_groups;
      struct perf_event_groups flexible_groups;
      struct list_head event_list;
      struct list_head pinned_active;
      struct list_head flexible_active;
      int nr_events;
      int nr_active;
      int is_active;
      int nr_stat;
      int nr_freq;
      int rotate_disable;
      int rotate_necessary;
      refcount_t refcount;
      struct task_struct *task;
      u64 time;
      u64 timestamp;
      struct perf_event_context *parent_ctx;
      u64 parent_gen;
      u64 generation;
      int pin_count;
      int nr_cgroups;
      void *task_ctx_data;
      struct callback_head callback_head;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field removed. struct delayed_work orphans_remove
  • Field removed. bool orphans_remove_sched
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct list_head pinned_active
  • Field added. struct list_head flexible_active
  • Field type changed. struct list_head pinned_groups ➡️ struct perf_event_groups pinned_groups
  • Field type changed. struct list_head flexible_groups ➡️ struct perf_event_groups flexible_groups
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. int rotate_necessary
  • Field type changed. atomic_t refcount ➡️ refcount_t refcount
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. u64 timeoffset
• Changed between 5.15 and 5.19 ⚠️

  • Field added. int nr_user
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct list_head pmu_ctx_list
  • Field added. int nr_task_data
  • Field added. local_t nr_pending
  • Field removed. struct pmu *pmu
  • Field removed. struct list_head active_ctx_list
  • Field removed. struct list_head pinned_active
  • Field removed. struct list_head flexible_active
  • Field removed. int nr_active
  • Field removed. int rotate_necessary
  • Field removed. void *task_ctx_data
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

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 ✅