website-struct

Struct: tracer

Status

Regular

• In 4.4: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
  };
  

• In 4.8: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
  };
  

• In 4.10: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
  };
  

• In 4.13: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
  };
  

• In 4.15: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 4.18: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.0: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.3: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.4: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.8: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.11: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.13: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.15: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 5.19: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 6.2: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 6.5: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In 6.8: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

Arch

• In arm64: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In armhf: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In ppc64el: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In riscv64: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

Flavor

• In aws: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In azure: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In gcp: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

• In lowlatency: ✅

  struct tracer {
      const char *name;
      int (*init)(struct trace_array *);
      void (*reset)(struct trace_array *);
      void (*start)(struct trace_array *);
      void (*stop)(struct trace_array *);
      int (*update_thresh)(struct trace_array *);
      void (*open)(struct trace_iterator *);
      void (*pipe_open)(struct trace_iterator *);
      void (*close)(struct trace_iterator *);
      void (*pipe_close)(struct trace_iterator *);
      ssize_t (*read)(struct trace_iterator *, struct file *, char *, size_t, loff_t *);
      ssize_t (*splice_read)(struct trace_iterator *, struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
      void (*print_header)(struct seq_file *);
      enum print_line_t (*print_line)(struct trace_iterator *);
      int (*set_flag)(struct trace_array *, u32, u32, int);
      int (*flag_changed)(struct trace_array *, u32, int);
      struct tracer *next;
      struct tracer_flags *flags;
      int enabled;
      int ref;
      bool print_max;
      bool allow_instances;
      bool use_max_tr;
      bool noboot;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• 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. bool noboot
• 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 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field removed. int ref
• No changes between 5.8 and 5.11 ✅
• 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 ✅