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.\" -*- nroff -*-
.TH STAPPROBES.TASK 5 @DATE@ "IBM"
.SH NAME
stapprobes.task \- systemtap task information
.\" macros
.de SAMPLE
.br
.RS
.nf
.nh
..
.de ESAMPLE
.hy
.fi
.RE
..
.SH DESCRIPTION
This family of tapset functions is used to collect information about tasks.
It contains the following functions.
.P
.TP
.B task_current:long()
Return the task_struct of the current process.
.P
.TP
.B task_parent:long(task:long)
Return the parent task_struct of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_state:long(task:long)
Return the state of the given task. State of the task could be, one among the following.
TASK_RUNNING 0
TASK_INTERRUPTIBLE 1
TASK_UNINTERRUPTIBLE 2
TASK_STOPPED 4
TASK_TRACED 8
EXIT_ZOMBIE 16
EXIT_DEAD 32
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_execname:string(task:long)
Return the name of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_pid:long(task:long)
Return the process id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_tid:long(task:long)
Return the thread id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_gid:long(task:long)
Return the group id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_egid:long(task:long)
Return the effective group id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_uid:long(task:long)
Return the user id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_euid:long(task:long)
Return the effective user id of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_prio:long(task:long)
Return the priority of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_nice:long(task:long)
Return the nice value of the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_cpu:long(task:long)
Return the scheduled cpu for the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_open_file_handles:long(task:long)
Return the number of open file handles for the given task.
.B Arguments:
.I task
task_struct of the task.
.P
.TP
.B task_max_file_handles:long(task:long)
Return the maximum number of file handles for the given task.
.B Arguments:
.I task
task_struct of the task.
.SH SEE ALSO
.IR stap (1),
.IR stapprobes (5),
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