website-struct

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 ✅

website-struct

Struct: perf_buffer

Status

Differences

Struct: `perf_buffer`