2 <description>The kernel facility has events related to kernel execution status.
</description>
4 <event name=syscall_entry
>
5 <description>System call entry
</description>
7 <field name=
"syscall_id"> <description>Syscall entry number in entry.S
</description> <uint size=
1/> </field>
8 <field name=
"address"> <description>Address from which call was made
</description> <uint size=
4/> </field>
12 <event name=syscall_exit
>
13 <description>System call exit
</description>
16 <event name=trap_entry
>
17 <description>Entry in a trap
</description>
19 <field name=
"trap_id"> <description>Trap number
</description> <uint size=
2/> </field>
20 <field name=
"address"> <description>Address where trap occured
</description> <pointer/> </field>
24 <event name=trap_exit
>
25 <description>Exit from a trap
</description>
28 <event name=soft_irq_entry
>
29 <description>Soft IRQ entry
</description>
31 <field name=
"softirq_id"> <description>Soft IRQ number
</description> <pointer/> </field>
35 <event name=soft_irq_exit
>
36 <description>Soft IRQ exit
</description>
38 <field name=
"softirq_id"> <description>Soft IRQ number
</description> <pointer/> </field>
42 <event name=tasklet_entry
>
43 <description>Tasklet entry
</description>
45 <field name=
"priority"> <description>Tasklet priority
</description> <typeref name=tasklet_priority
/> </field>
46 <field name=
"address"> <description>Tasklet function address
</description> <pointer/> </field>
50 <event name=tasklet_exit
>
51 <description>Tasklet exit
</description>
53 <field name=
"priority"> <description>Tasklet priority
</description> <typeref name=tasklet_priority
/> </field>
54 <field name=
"address"> <description>Tasklet function address
</description> <pointer/> </field>
58 <event name=irq_entry
>
59 <description>Entry in an irq
</description>
61 <field name=
"irq_id"> <description>IRQ number
</description> <uint size=
4/> </field>
62 <field name=
"mode"> <description>Are we executing kernel code
</description> <typeref name=irq_mode
/> </field>
67 <description>Exit from an IRQ
</description>
70 <type name=tasklet_priority
>
72 <label name=LOW value=
0/> <description>Low priority tasklet
</description>
73 <label name=HIGH value=
1/> <description>High priority tasklet
</description>
79 <label name=user value=
0/> <description>User context
</description>
80 <label name=kernel value=
1/> <description>Kernel context
</description>