DepSurf

Function: trace_contention_begin

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: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81f23778)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/semaphore.c (ffffffff81f24cde)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/semaphore.c:__down_common
  

  In kernel/locking/rwsem.c (ffffffff81f257a4)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  In kernel/locking/percpu-rwsem.c (ffffffff81f25dde)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/locking/qspinlock.c (ffffffff8114f3fc)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
  

  In kernel/locking/rtmutex_api.c (ffffffff81f276f4)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/qrwlock.c (ffffffff8114fa2f)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff820cec58)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/semaphore.c (ffffffff820d04c2)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/semaphore.c:__down_common
  

  In kernel/locking/rwsem.c (ffffffff820d1194)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  In kernel/locking/percpu-rwsem.c (ffffffff820d184e)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/locking/qspinlock.c (ffffffff820d66cc)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
  

  In kernel/locking/rtmutex_api.c (ffffffff820d31d4)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/qrwlock.c (ffffffff820d6d8f)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff821530b1)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/semaphore.c (ffffffff82154852)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/semaphore.c:__down_common
  

  In kernel/locking/rwsem.c (ffffffff821554f9)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  In kernel/locking/percpu-rwsem.c (ffffffff82155bbe)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/locking/qspinlock.c (ffffffff82159aae)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
  

  In kernel/locking/rtmutex_api.c (ffffffff82157524)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/qrwlock.c (ffffffff8215a115)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff82235ef1)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/semaphore.c (ffffffff82237692)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/semaphore.c:__down_common
  

  In kernel/locking/rwsem.c (ffffffff82238339)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  In kernel/locking/percpu-rwsem.c (ffffffff822389fe)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/locking/qspinlock.c (ffffffff8223d32e)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:__pv_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
    - kernel/locking/qspinlock.c:native_queued_spin_lock_slowpath
  

  In kernel/locking/rtmutex_api.c (ffffffff8223a364)
  Location: include/trace/events/lock.h:95
  Inline: True
  

  In kernel/locking/qrwlock.c (ffffffff8223d995)
  Location: include/trace/events/lock.h:95
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_write_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

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