DepSurf

Struct: cpudata

Status

Regular

• In 4.4: ✅

  struct cpudata {
      int cpu;
      struct timer_list timer;
      struct pstate_data pstate;
      struct vid_data vid;
      struct _pid pid;
      ktime_t last_sample_time;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      struct sample sample;
  };
  

• In 4.8: ✅

  struct cpudata {
      int cpu;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      struct _pid pid;
      u64 last_sample_time;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
  };
  

• In 4.10: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      struct _pid pid;
      u64 last_update;
      u64 last_sample_time;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      struct perf_limits *perf_limits;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
  };
  

• In 4.13: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      struct _pid pid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
  };
  

• In 4.15: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
  };
  

• In 4.18: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In 5.0: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In 5.3: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In 5.4: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In 5.8: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In 5.11: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
  };
  

• In 5.13: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
  };
  

• In 5.15: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
  };
  

• In 5.19: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
      struct delayed_work hwp_notify_work;
  };
  

• In 6.2: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
      struct delayed_work hwp_notify_work;
  };
  

• In 6.5: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
      struct delayed_work hwp_notify_work;
  };
  

• In 6.8: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_cached;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
      bool suspended;
      struct delayed_work hwp_notify_work;
  };
  

Arch

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

Flavor

• In aws: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In azure: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In gcp: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

• In lowlatency: ✅

  struct cpudata {
      int cpu;
      unsigned int policy;
      struct update_util_data update_util;
      bool update_util_set;
      struct pstate_data pstate;
      struct vid_data vid;
      u64 last_update;
      u64 last_sample_time;
      u64 aperf_mperf_shift;
      u64 prev_aperf;
      u64 prev_mperf;
      u64 prev_tsc;
      u64 prev_cummulative_iowait;
      struct sample sample;
      int32_t min_perf_ratio;
      int32_t max_perf_ratio;
      struct acpi_processor_performance acpi_perf_data;
      bool valid_pss_table;
      unsigned int iowait_boost;
      s16 epp_powersave;
      s16 epp_policy;
      s16 epp_default;
      s16 epp_saved;
      u64 hwp_req_cached;
      u64 hwp_cap_cached;
      u64 last_io_update;
      unsigned int sched_flags;
      u32 hwp_boost_min;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. struct update_util_data update_util
  • Field added. bool update_util_set
  • Field added. u64 prev_cummulative_iowait
  • Field added. struct acpi_processor_performance acpi_perf_data
  • Field added. bool valid_pss_table
  • Field removed. struct timer_list timer
  • Field type changed. ktime_t last_sample_time ➡️ u64 last_sample_time
• Changed between 4.8 and 4.10 ⚠️

  • Field added. unsigned int policy
  • Field added. u64 last_update
  • Field added. struct perf_limits *perf_limits
  • Field added. unsigned int iowait_boost
  • Field added. s16 epp_powersave
  • Field added. s16 epp_policy
  • Field added. s16 epp_default
  • Field added. s16 epp_saved
• Changed between 4.10 and 4.13 ⚠️

  • Field added. u64 aperf_mperf_shift
  • Field added. int32_t min_perf_ratio
  • Field added. int32_t max_perf_ratio
  • Field removed. struct perf_limits *perf_limits
• Changed between 4.13 and 4.15 ⚠️

  • Field removed. struct _pid pid
• Changed between 4.15 and 4.18 ⚠️

  • Field added. u64 hwp_req_cached
  • Field added. u64 hwp_cap_cached
  • Field added. u64 last_io_update
  • Field added. unsigned int sched_flags
  • Field added. u32 hwp_boost_min
• 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 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. s16 epp_cached
  • Field added. bool suspended
  • Field removed. s16 epp_saved
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct delayed_work hwp_notify_work
• 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

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 ✅