website-struct

Struct: trace_array_cpu

Status

Regular

• In 4.4: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      cycle_t preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
  };
  

• In 4.8: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      cycle_t preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 4.10: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 4.13: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 4.15: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 4.18: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 5.0: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 5.3: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 5.4: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In 5.8: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 5.11: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 5.13: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 5.15: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 5.19: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 6.2: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 6.5: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

• In 6.8: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      int ftrace_ignore_pid;
      bool ignore_pid;
  };
  

Arch

• In arm64: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In armhf: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In ppc64el: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In riscv64: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

Flavor

• In aws: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In azure: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In gcp: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

• In lowlatency: ✅

  struct trace_array_cpu {
      atomic_t disabled;
      void *buffer_page;
      long unsigned int entries;
      long unsigned int saved_latency;
      long unsigned int critical_start;
      long unsigned int critical_end;
      long unsigned int critical_sequence;
      long unsigned int nice;
      long unsigned int policy;
      long unsigned int rt_priority;
      long unsigned int skipped_entries;
      u64 preempt_timestamp;
      pid_t pid;
      kuid_t uid;
      char comm[16];
      bool ignore_pid;
      bool ftrace_ignore_pid;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. bool ftrace_ignore_pid
• Changed between 4.8 and 4.10 ⚠️

  • Field type changed. cycle_t preempt_timestamp ➡️ u64 preempt_timestamp
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• 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 type changed. bool ftrace_ignore_pid ➡️ int ftrace_ignore_pid
• 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 ✅