lttctl ok

[lttv.git] / genevent / heartbeat.xml

<facility name=heartbeat>
  <description>The heartbeat facility has event related to heartbeat timer</description>

  <event name=time_heartbeat>
    <description>System time values sent periodically to detect cycle counter
     rollovers. Useful when only the 32 LSB of the TSC are saved in events
     header : we save the full 64 bits in this event.
    </description>
    <typeref name=timestamp/>
  </event>

  <type name=timestamp>
    <struct>
      <field name="seconds"><uint size=4/></field>
      <field name="nanoseconds"><uint size=4/></field>
      <field name="cycle_count"><uint size=8/></field>
    </struct>
  </type>

</facility>