website-struct

Struct: hist_field

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
  };
  

• In 4.10: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
  };
  

• In 4.13: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
  };
  

• In 4.15: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      struct hist_field * operands[2];
  };
  

• In 4.18: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_idx;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In 5.0: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In 5.3: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In 5.4: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In 5.8: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In 5.11: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
  };
  

• In 5.13: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
  };
  

• In 5.15: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      long unsigned int buckets;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
  };
  

• In 5.19: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      long unsigned int buckets;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
      u64 constant;
      u64 div_multiplier;
  };
  

• In 6.2: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      long unsigned int buckets;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      enum hist_field_fn fn_num;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
      u64 constant;
      u64 div_multiplier;
  };
  

• In 6.5: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      long unsigned int buckets;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      enum hist_field_fn fn_num;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
      u64 constant;
      u64 div_multiplier;
  };
  

• In 6.8: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      long unsigned int buckets;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      enum hist_field_fn fn_num;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
      unsigned int var_str_idx;
      u64 constant;
      u64 div_multiplier;
  };
  

Arch

• In arm64: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In armhf: Absent ⚠️
• In ppc64el: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In riscv64: Absent ⚠️

Flavor

• In aws: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In azure: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In gcp: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

• In lowlatency: ✅

  struct hist_field {
      struct ftrace_event_field *field;
      long unsigned int flags;
      hist_field_fn_t fn;
      unsigned int ref;
      unsigned int size;
      unsigned int offset;
      unsigned int is_signed;
      const char *type;
      struct hist_field * operands[2];
      struct hist_trigger_data *hist_data;
      struct hist_var var;
      enum field_op_id operator;
      char *system;
      char *event_name;
      char *name;
      unsigned int var_ref_idx;
      bool read_once;
  };
  

Differences

Regular

• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. unsigned int is_signed
  • Field added. struct hist_field * operands[2]
• Changed between 4.15 and 4.18 ⚠️

  • Field added. const char *type
  • Field added. struct hist_trigger_data *hist_data
  • Field added. struct hist_var var
  • Field added. enum field_op_id operator
  • Field added. char *system
  • Field added. char *event_name
  • Field added. char *name
  • Field added. unsigned int var_idx
  • Field added. unsigned int var_ref_idx
  • Field added. bool read_once
• Changed between 4.18 and 5.0 ⚠️

  • Field removed. unsigned int var_idx
• No changes between 5.0 and 5.3 ✅
• Changed between 5.3 and 5.4 ⚠️

  • Field added. unsigned int ref
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. unsigned int var_str_idx
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. long unsigned int buckets
• Changed between 5.15 and 5.19 ⚠️

  • Field added. u64 constant
  • Field added. u64 div_multiplier
• Changed between 5.19 and 6.2 ⚠️

  • Field added. enum hist_field_fn fn_num
  • Field removed. hist_field_fn_t fn
• 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 ppc64el ✅

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 ✅