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[lttv.git] / genevent / kernel.xml

<facility name=kernel>
  <description>The kernel facility has events related to kernel execution status.</description>

  <event name=syscall_entry>
    <description>System call entry</description>
    <struct>
      <field name="syscall_id"> <description>Syscall entry number in entry.S</description> <uint size=1/> </field>
      <field name="address"> <description>Address from which call was made</description> <uint size=4/> </field>
     </struct>
  </event>
	
	<event name=syscall_exit>
    <description>System call exit</description>
  </event>
	
  <event name=trap_entry>
    <description>Entry in a trap</description>
    <struct>
      <field name="trap_id"> <description>Trap number</description> <uint size=2/> </field>
      <field name="address"> <description>Address where trap occured</description> <pointer/> </field>
     </struct>
  </event>

  <event name=trap_exit>
    <description>Exit from a trap</description>
  </event>

  <event name=soft_irq_entry>
    <description>Soft IRQ entry</description>
    <struct>
      <field name="softirq_id"> <description>Soft IRQ number</description> <pointer/> </field>
     </struct>
  </event>

  <event name=soft_irq_exit>
    <description>Soft IRQ exit</description>
    <struct>
      <field name="softirq_id"> <description>Soft IRQ number</description> <pointer/> </field>
     </struct>
  </event>

  <event name=tasklet_entry>
    <description>Tasklet entry</description>
    <struct>
      <field name="priority"> <description>Tasklet priority</description> <typeref name=tasklet_priority/> </field>
      <field name="address"> <description>Tasklet function address</description> <pointer/> </field>
     </struct>
  </event>

  <event name=tasklet_exit>
    <description>Tasklet exit</description>
    <struct>
      <field name="priority"> <description>Tasklet priority</description> <typeref name=tasklet_priority/> </field>
      <field name="address"> <description>Tasklet function address</description> <pointer/> </field>
     </struct>
  </event>

  <event name=irq_entry>
    <description>Entry in an irq</description>
    <struct>
      <field name="irq_id"> <description>IRQ number</description> <uint size=4/> </field>
      <field name="mode"> <description>Are we executing kernel code</description> <typeref name=irq_mode/> </field>
     </struct>
  </event>

  <event name=irq_exit>
    <description>Exit from an IRQ</description>
  </event>

  <type name=tasklet_priority>
    <enum size=1>
      <label name=LOW value=0/> <description>Low priority tasklet</description>
      <label name=HIGH value=1/> <description>High priority tasklet</description>
    </enum>
  </type>

  <type name=irq_mode>
    <enum size=1>
      <label name=user value=0/> <description>User context</description>
      <label name=kernel value=1/> <description>Kernel context</description>
    </enum>
  </type>

</facility>