DepSurf

Struct: perf_buffer

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 5.11: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 5.13: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 5.15: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 5.19: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 6.2: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 6.5: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

• In 6.8: ✅

  struct perf_buffer {
      refcount_t refcount;
      struct callback_head callback_head;
      int nr_pages;
      int overwrite;
      int paused;
      atomic_t poll;
      local_t head;
      unsigned int nest;
      local_t events;
      local_t wakeup;
      local_t lost;
      long int watermark;
      long int aux_watermark;
      spinlock_t event_lock;
      struct list_head event_list;
      atomic_t mmap_count;
      long unsigned int mmap_locked;
      struct user_struct *mmap_user;
      long int aux_head;
      unsigned int aux_nest;
      long int aux_wakeup;
      long unsigned int aux_pgoff;
      int aux_nr_pages;
      int aux_overwrite;
      atomic_t aux_mmap_count;
      long unsigned int aux_mmap_locked;
      void (*free_aux)(void *);
      refcount_t aux_refcount;
      int aux_in_sampling;
      void **aux_pages;
      void *aux_priv;
      struct perf_event_mmap_page *user_page;
      void * data_pages[0];
  };
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• 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 ✅