tapset::context (3stap)

Context functions provide additional information about where an event occurred. These functions can provide information such as a backtrace to where the event occurred and the current register values for the processor.

print_regs

Print a register dump

• See function::print_regs(3stap) for details.

pp

Returns the active probe point

• See function::pp(3stap) for details.

ppfunc

Returns the function name parsed from pp()

• See function::ppfunc(3stap) for details.

probe_type

The low level probe handler type of the current probe.

• See function::probe_type(3stap) for details.

execname

Returns the execname of a target process (or group of processes)

• See function::execname(3stap) for details.

pid

Returns the ID of a target process

• See function::pid(3stap) for details.

tid

Returns the thread ID of a target process

• See function::tid(3stap) for details.

ppid

Returns the process ID of a target process's parent process

• See function::ppid(3stap) for details.

pgrp

Returns the process group ID of the current process

• See function::pgrp(3stap) for details.

sid

Returns the session ID of the current process

• See function::sid(3stap) for details.

pexecname

Returns the execname of a target process's parent process

• See function::pexecname(3stap) for details.

gid

Returns the group ID of a target process

• See function::gid(3stap) for details.

egid

Returns the effective gid of a target process

• See function::egid(3stap) for details.

uid

Returns the user ID of a target process

• See function::uid(3stap) for details.

euid

Return the effective uid of a target process

• See function::euid(3stap) for details.

is_myproc

Determines if the current probe point has occurred in the user's own process

• See function::is_myproc(3stap) for details.

cpuid

Returns the current cpu number

• See function::cpuid(3stap) for details.

cpu

Returns the current cpu number

• See function::cpu(3stap) for details.

registers_valid

Determines validity of register() and u_register() in current context

• See function::registers_valid(3stap) for details.

user_mode

Determines if probe point occurs in user-mode

• See function::user_mode(3stap) for details.

is_return

Whether the current probe context is a return probe

• See function::is_return(3stap) for details.

target

Return the process ID of the target process

• See function::target(3stap) for details.

module_name

The module name of the current script

• See function::module_name(3stap) for details.

stp_pid

The process id of the stapio process

• See function::stp_pid(3stap) for details.

remote_id

The index of this instance in a remote execution.

• See function::remote_id(3stap) for details.

remote_uri

The name of this instance in a remote execution.

• See function::remote_uri(3stap) for details.

stack_size

Return the size of the kernel stack

• See function::stack_size(3stap) for details.

stack_used

Returns the amount of kernel stack used

• See function::stack_used(3stap) for details.

stack_unused

Returns the amount of kernel stack currently available

• See function::stack_unused(3stap) for details.

addr

Address of the current probe point.

• See function::addr(3stap) for details.

uaddr

User space address of current running task

• See function::uaddr(3stap) for details.

cmdline_args

Fetch command line arguments from current process

• See function::cmdline_args(3stap) for details.

cmdline_arg

Fetch a command line argument

• See function::cmdline_arg(3stap) for details.

cmdline_str

Fetch all command line arguments from current process

• See function::cmdline_str(3stap) for details.

function::print_regs(3stap),

function::pp(3stap),

function::ppfunc(3stap),

function::probe_type(3stap),

function::execname(3stap),

function::pid(3stap),

function::tid(3stap),

function::ppid(3stap),

function::pgrp(3stap),

function::sid(3stap),

function::pexecname(3stap),

function::gid(3stap),

function::egid(3stap),

function::uid(3stap),

function::euid(3stap),

function::is_myproc(3stap),

function::cpuid(3stap),

function::cpu(3stap),

function::registers_valid(3stap),

function::user_mode(3stap),

function::is_return(3stap),

function::target(3stap),

function::module_name(3stap),

function::stp_pid(3stap),

function::remote_id(3stap),

function::remote_uri(3stap),

function::stack_size(3stap),

function::stack_used(3stap),

function::stack_unused(3stap),

function::addr(3stap),

function::uaddr(3stap),

function::cmdline_args(3stap),

function::cmdline_arg(3stap),

function::cmdline_str(3stap),

stap(1), stapprobes(3stap)