website-struct

Struct: ioc

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: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 5.8: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 5.11: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 5.13: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 5.15: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 5.19: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 6.2: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 6.5: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In 6.8: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      struct ioc_margins margins;
      u32 period_us;
      u32 timer_slack_ns;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      u64 vtime_base_rate;
      s64 vtime_err;
      seqcount_spinlock_t period_seqcount;
      u64 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 dfgv_period_at;
      u64 dfgv_period_rem;
      u64 dfgv_usage_us_sum;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

Arch

• In arm64: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In armhf: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In ppc64el: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In riscv64: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

Flavor

• In aws: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In azure: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In gcp: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

• In lowlatency: ✅

  struct ioc {
      struct rq_qos rqos;
      bool enabled;
      struct ioc_params params;
      u32 period_us;
      u32 margin_us;
      u64 vrate_min;
      u64 vrate_max;
      spinlock_t lock;
      struct timer_list timer;
      struct list_head active_iocgs;
      struct ioc_pcpu_stat *pcpu_stat;
      enum ioc_running running;
      atomic64_t vtime_rate;
      seqcount_t period_seqcount;
      u32 period_at;
      u64 period_at_vtime;
      atomic64_t cur_period;
      int busy_level;
      u64 inuse_margin_vtime;
      bool weights_updated;
      atomic_t hweight_gen;
      u64 autop_too_fast_at;
      u64 autop_too_slow_at;
      int autop_idx;
      bool user_qos_params;
      bool user_cost_model;
  };
  

Differences

Regular

• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. struct ioc_margins margins
  • Field added. u32 timer_slack_ns
  • Field added. u64 vtime_base_rate
  • Field added. s64 vtime_err
  • Field added. u64 dfgv_period_at
  • Field added. u64 dfgv_period_rem
  • Field added. u64 dfgv_usage_us_sum
  • Field removed. u32 margin_us
  • Field removed. u64 inuse_margin_vtime
  • Field type changed. seqcount_t period_seqcount ➡️ seqcount_spinlock_t period_seqcount
  • Field type changed. u32 period_at ➡️ u64 period_at
• 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 ✅

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 ✅