# Example config for a trace that polls system counters.

duration_ms: 2000

buffers {
  size_kb: 16384
  fill_policy: RING_BUFFER
}

buffers {
  size_kb: 16384
  fill_policy: RING_BUFFER
}

# Enable various data sources as usual.
data_sources {
  config {
    name: "linux.ftrace"
    target_buffer: 0
    ftrace_config {
      # These parameters affect only the kernel trace buffer size and how
      # frequently it gets moved into the userspace buffer defined above.
      buffer_size_kb: 16384
      drain_period_ms: 250
      ftrace_events: "cpu_frequency"
      ftrace_events: "cpu_idle"
      ftrace_events: "sched_switch"
      ftrace_events: "tracing_mark_write"
    }
  }
}

data_sources {
  config {
    name: "linux.process_stats"
    target_buffer: 0
  }
}

data_sources {
  config {
    name: "linux.sys_stats"
    target_buffer: 1
    sys_stats_config {
      meminfo_period_ms: 100
      meminfo_counters: MEMINFO_MEM_AVAILABLE
      meminfo_counters: MEMINFO_BUFFERS
      meminfo_counters: MEMINFO_CACHED
      meminfo_counters: MEMINFO_SWAP_CACHED
      meminfo_counters: MEMINFO_ACTIVE
      meminfo_counters: MEMINFO_INACTIVE
      meminfo_counters: MEMINFO_ACTIVE_ANON
      meminfo_counters: MEMINFO_INACTIVE_ANON
      meminfo_counters: MEMINFO_ACTIVE_FILE
      meminfo_counters: MEMINFO_INACTIVE_FILE
      meminfo_counters: MEMINFO_UNEVICTABLE

      vmstat_period_ms: 100
      vmstat_counters: VMSTAT_NR_FREE_PAGES
      vmstat_counters: VMSTAT_NR_ALLOC_BATCH
      vmstat_counters: VMSTAT_NR_INACTIVE_ANON
      vmstat_counters: VMSTAT_NR_ACTIVE_ANON
      vmstat_counters: VMSTAT_NR_INACTIVE_FILE
      vmstat_counters: VMSTAT_NR_ACTIVE_FILE
      vmstat_counters: VMSTAT_NR_UNEVICTABLE
      vmstat_counters: VMSTAT_NR_MLOCK
      vmstat_counters: VMSTAT_NR_ANON_PAGES
      vmstat_counters: VMSTAT_NR_MAPPED
      vmstat_counters: VMSTAT_NR_FILE_PAGES
      vmstat_counters: VMSTAT_NR_DIRTY
      vmstat_counters: VMSTAT_NR_WRITEBACK
      vmstat_counters: VMSTAT_NR_SLAB_RECLAIMABLE
      vmstat_counters: VMSTAT_NR_SLAB_UNRECLAIMABLE
      vmstat_counters: VMSTAT_NR_PAGE_TABLE_PAGES
      vmstat_counters: VMSTAT_NR_KERNEL_STACK
      vmstat_counters: VMSTAT_NR_OVERHEAD
      vmstat_counters: VMSTAT_NR_UNSTABLE
      vmstat_counters: VMSTAT_NR_BOUNCE
      vmstat_counters: VMSTAT_NR_VMSCAN_WRITE
      vmstat_counters: VMSTAT_NR_VMSCAN_IMMEDIATE_RECLAIM
      vmstat_counters: VMSTAT_NR_WRITEBACK_TEMP

      stat_period_ms: 100
      stat_counters: STAT_CPU_TIMES
      stat_counters: STAT_IRQ_COUNTS
      stat_counters: STAT_FORK_COUNT
    }
  }
}