NAME
tapset::context - systemtap context tapset
DESCRIPTION
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.
- pexecname
-
Returns the execname of a target process's parent process
-
See function::pexecname(3stap)
for details.
- pid
-
Returns the ID of a target process
-
See function::pid(3stap)
for details.
- ns_pid
-
Returns the ID of a target process as seen in a pid namespace
-
See function::ns_pid(3stap)
for details.
- tid
-
Returns the thread ID of a target process
-
See function::tid(3stap)
for details.
- ns_tid
-
Returns the thread ID of a target process as seen in a pid namespace
-
See function::ns_tid(3stap)
for details.
- ppid
-
Returns the process ID of a target process's parent process
-
See function::ppid(3stap)
for details.
- ns_ppid
-
Returns the process ID of a target process's parent process as seen in a pid namespace
-
See function::ns_ppid(3stap)
for details.
- pgrp
-
Returns the process group ID of the current process
-
See function::pgrp(3stap)
for details.
- ns_pgrp
-
Returns the process group ID of the current process as seen in a pid namespace
-
See function::ns_pgrp(3stap)
for details.
- sid
-
Returns the session ID of the current process
-
See function::sid(3stap)
for details.
- ns_sid
-
Returns the session ID of the current process as seen in a pid namespace
-
See function::ns_sid(3stap)
for details.
- gid
-
Returns the group ID of a target process
-
See function::gid(3stap)
for details.
- ns_gid
-
Returns the group ID of a target process as seen in a user namespace
-
See function::ns_gid(3stap)
for details.
- egid
-
Returns the effective gid of a target process
-
See function::egid(3stap)
for details.
- ns_egid
-
Returns the effective gid of a target process as seen in a user namespace
-
See function::ns_egid(3stap)
for details.
- uid
-
Returns the user ID of a target process
-
See function::uid(3stap)
for details.
- ns_uid
-
Returns the user ID of a target process as seen in a user namespace
-
See function::ns_uid(3stap)
for details.
- euid
-
Return the effective uid of a target process
-
See function::euid(3stap)
for details.
- ns_euid
-
Returns the effective user ID of a target process as seen in a user namespace
-
See function::ns_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.
- module_size
-
The module size of the current script
-
See function::module_size(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.
SEE ALSO
function::print_regs(3stap), function::pp(3stap), function::ppfunc(3stap), function::probe_type(3stap), function::execname(3stap), function::pexecname(3stap), function::pid(3stap), function::ns_pid(3stap), function::tid(3stap), function::ns_tid(3stap), function::ppid(3stap), function::ns_ppid(3stap), function::pgrp(3stap), function::ns_pgrp(3stap), function::sid(3stap), function::ns_sid(3stap), function::gid(3stap), function::ns_gid(3stap), function::egid(3stap), function::ns_egid(3stap), function::uid(3stap), function::ns_uid(3stap), function::euid(3stap), function::ns_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::module_size(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)