DepSurf

Function: housekeeping_test_cpu

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810dbfe0)
  Location: kernel/sched/isolation.c:47
  Inline: True
  Direct callers:
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff810dbfe0-ffffffff810dc00f: housekeeping_test_cpu (STB_GLOBAL)
  

• In 4.18: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810e4620)
  Location: kernel/sched/isolation.c:42
  Inline: True
  Direct callers:
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_balance_enter_idle
    - kernel/sched/fair.c:pick_next_task_fair
  

  Symbols:

  ffffffff810e4620-ffffffff810e464f: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.0: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810eeda0)
  Location: kernel/sched/isolation.c:42
  Inline: True
  Direct callers:
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_balance_enter_idle
    - kernel/sched/fair.c:pick_next_task_fair
  

  Symbols:

  ffffffff810eeda0-ffffffff810eedcf: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.3: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810f5bd0)
  Location: kernel/sched/isolation.c:49
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_balance_enter_idle
    - kernel/sched/fair.c:pick_next_task_fair
  

  Symbols:

  ffffffff810f5bd0-ffffffff810f5bff: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.4: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff81101940)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff81101940-ffffffff8110196f: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.8: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff8110c1d0)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff8110c1d0-ffffffff8110c1ff: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.11: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff811093f0)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:nohz_newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff811093f0-ffffffff8110941f: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.13: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff8110b290)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff8110b290-ffffffff8110b2bf: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.15: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff81129af0)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff81129af0-ffffffff81129b1c: housekeeping_test_cpu (STB_GLOBAL)
  

• In 5.19: Transformation ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_type type);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/sched/build_utility.c (0)
  Location: kernel/sched/isolation.c:73
  Inline: False
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff81e56940-ffffffff81e56958: housekeeping_test_cpu.cold (STB_LOCAL)
  ffffffff8113c4f0-ffffffff8113c56f: housekeeping_test_cpu (STB_GLOBAL)
  

• In 6.2: Transformation ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_type type);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/sched/build_utility.c (0)
  Location: kernel/sched/isolation.c:73
  Inline: False
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:scheduler_tick
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff82057b60-ffffffff82057b78: housekeeping_test_cpu.cold (STB_LOCAL)
  ffffffff81167110-ffffffff8116718e: housekeeping_test_cpu (STB_GLOBAL)
  

• In 6.5: Selective Inline, Transformation ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_type type);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/sched/build_utility.c (ffffffff8117940a)
  Location: kernel/sched/isolation.c:73
  Inline: True
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:scheduler_tick
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
    - mm/vmstat.c:vmstat_shepherd
    - mm/vmstat.c:vmstat_shepherd
  

  Symbols:

  ffffffff820d6443-ffffffff820d645b: housekeeping_test_cpu.cold (STB_LOCAL)
  ffffffff811793c0-ffffffff81179443: housekeeping_test_cpu (STB_GLOBAL)
  

• In 6.8: Selective Inline, Transformation ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_type type);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/sched/build_utility.c (ffffffff81186f4a)
  Location: kernel/sched/isolation.c:73
  Inline: True
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:sched_cpu_dying
    - kernel/sched/core.c:sched_cpu_starting
    - kernel/sched/core.c:scheduler_tick
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
    - mm/vmstat.c:vmstat_shepherd
    - mm/vmstat.c:vmstat_shepherd
    - fs/buffer.c:lookup_bh_lru
    - fs/buffer.c:lookup_bh_lru
    - fs/buffer.c:bh_lru_install
    - fs/buffer.c:bh_lru_install
  

  Symbols:

  ffffffff821b1595-ffffffff821b15ad: housekeeping_test_cpu.cold (STB_LOCAL)
  ffffffff81186f00-ffffffff81186f83: housekeeping_test_cpu (STB_GLOBAL)
  

Arch

• In arm64: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffff800010166528)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffff800010166528-ffff800010166594: housekeeping_test_cpu (STB_GLOBAL)
  

• In armhf: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (c03b2974)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  c03b2974-c03b29d8: housekeeping_test_cpu (STB_GLOBAL)
  

• In ppc64el: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (c0000000001bdc50)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  c0000000001bdc50-c0000000001bdcb4: housekeeping_test_cpu (STB_GLOBAL)
  

• In riscv64: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffe0001087fc)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffe0001087fc-ffffffe000108864: housekeeping_test_cpu (STB_GLOBAL)
  

Flavor

• In aws: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810fac50)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff810fac50-ffffffff810fac7f: housekeeping_test_cpu (STB_GLOBAL)
  

• In azure: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810eae70)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:sched_cpu_dying
    - kernel/sched/core.c:sched_cpu_starting
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff810eae70-ffffffff810eae9f: housekeeping_test_cpu (STB_GLOBAL)
  

• In gcp: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff810f7e10)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff810f7e10-ffffffff810f7e3f: housekeeping_test_cpu (STB_GLOBAL)
  

• In lowlatency: Selective Inline ⚠️

  bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/sched/isolation.c (ffffffff81102f50)
  Location: kernel/sched/isolation.c:57
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_get_on_cpu
    - arch/x86/kernel/cpu/aperfmperf.c:arch_freq_prepare_all
    - arch/x86/kernel/cpu/aperfmperf.c:aperfmperf_get_khz
    - kernel/cpu.c:freeze_secondary_cpus
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/core.c:get_nohz_timer_target
    - kernel/sched/fair.c:newidle_balance
    - kernel/sched/fair.c:nohz_balance_enter_idle
  

  Symbols:

  ffffffff81102f50-ffffffff81102f7f: housekeeping_test_cpu (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• 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 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Param added. enum hk_type type
  • Param removed. enum hk_flags flags
• 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

• 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 ✅