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Name	Size	Permission
arm	[ DIR ]	drwxr-xr-x
arm64	[ DIR ]	drwxr-xr-x
i386	[ DIR ]	drwxr-xr-x
ia64	[ DIR ]	drwxr-xr-x
powerpc	[ DIR ]	drwxr-xr-x
s390	[ DIR ]	drwxr-xr-x
x86_64	[ DIR ]	drwxr-xr-x
atomic.stp	1.52 KB	-rw-r--r--
aux_syscalls.stp	139.14 KB	-rw-r--r--
context-caller.stp	3.07 KB	-rw-r--r--
context-envvar.stp	1.71 KB	-rw-r--r--
context-symbols.stp	11.98 KB	-rw-r--r--
context-unwind.stp	2.81 KB	-rw-r--r--
context.stp	17.76 KB	-rw-r--r--
context.stpm	125 B	-rw-r--r--
conversions-guru.stp	5.56 KB	-rw-r--r--
conversions.stp	10.92 KB	-rw-r--r--
ctime.stp	5.32 KB	-rw-r--r--
dentry.stp	9.79 KB	-rw-r--r--
dev.stp	1.79 KB	-rw-r--r--
endian.stp	602 B	-rw-r--r--
guru-delay.stp	1.2 KB	-rw-r--r--
guru-signal.stp	1.07 KB	-rw-r--r--
inet.stp	1.42 KB	-rw-r--r--
inet_sock.stp	1.31 KB	-rw-r--r--
ioblock.stp	12.55 KB	-rw-r--r--
ioscheduler.stp	11.74 KB	-rw-r--r--
ip.stp	5.23 KB	-rw-r--r--
ipmib-filter-default.stp	965 B	-rw-r--r--
ipmib.stp	12.55 KB	-rw-r--r--
irq.stp	5 KB	-rw-r--r--
json.stp	8.92 KB	-rw-r--r--
json.stpm	6.11 KB	-rw-r--r--
kprocess.stp	4.38 KB	-rw-r--r--
kretprobe.stp	2.1 KB	-rw-r--r--
linuxmib-filter-default.stp	876 B	-rw-r--r--
linuxmib.stp	3.38 KB	-rw-r--r--
loadavg.stp	1.87 KB	-rw-r--r--
logging.stp	2.08 KB	-rw-r--r--
memory.stp	17.77 KB	-rw-r--r--
nd_syscalls.stp	138.14 KB	-rw-r--r--
nd_syscalls2.stp	161.75 KB	-rw-r--r--
netfilter.stp	31.56 KB	-rw-r--r--
networking.stp	7.17 KB	-rw-r--r--
nfs.stp	37.86 KB	-rw-r--r--
nfs_proc.stp	55.3 KB	-rw-r--r--
nfs_proc.stpm	1.18 KB	-rw-r--r--
nfsd.stp	39.97 KB	-rw-r--r--
nfsderrno.stp	11.7 KB	-rw-r--r--
panic.stp	1.07 KB	-rw-r--r--
perf.stp	4.5 KB	-rw-r--r--
proc_mem.stp	11.49 KB	-rw-r--r--
pstrace.stp	773 B	-rw-r--r--
rcu.stp	917 B	-rw-r--r--
rlimit.stp	1.35 KB	-rw-r--r--
rpc.stp	37.94 KB	-rw-r--r--
scheduler.stp	11.33 KB	-rw-r--r--
scsi.stp	9.46 KB	-rw-r--r--
signal.stp	28.35 KB	-rw-r--r--
socket.stp	33.41 KB	-rw-r--r--
syscalls.stp	136.01 KB	-rw-r--r--
syscalls.stpm	11.28 KB	-rw-r--r--
syscalls2.stp	158.1 KB	-rw-r--r--
syscalls_cfg_trunc.stp	111 B	-rw-r--r--
target_set.stp	1.71 KB	-rw-r--r--
task.stp	19.07 KB	-rw-r--r--
task.stpm	157 B	-rw-r--r--
task_ancestry.stp	1.57 KB	-rw-r--r--
task_time.stp	7.45 KB	-rw-r--r--
tcp.stp	21.98 KB	-rw-r--r--
tcpmib-filter-default.stp	885 B	-rw-r--r--
tcpmib.stp	10.29 KB	-rw-r--r--
timestamp.stp	1.72 KB	-rw-r--r--
timestamp_gtod.stp	1.59 KB	-rw-r--r--
timestamp_monotonic.stp	5.12 KB	-rw-r--r--
tty.stp	7.15 KB	-rw-r--r--
tzinfo.stp	803 B	-rw-r--r--
ucontext-symbols.stp	8.62 KB	-rw-r--r--
ucontext-unwind.stp	3.64 KB	-rw-r--r--
ucontext.stp	2.18 KB	-rw-r--r--
udp.stp	5.73 KB	-rw-r--r--
utrace.stp	1.33 KB	-rw-r--r--
vfs.stp	26.83 KB	-rw-r--r--

Code Editor : ucontext-unwind.stp

// User context unwind tapset
// Copyright (C) 2009-2013 Red Hat Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.

/**
 * sfunction print_ubacktrace - Print stack back trace for current user-space task.
 *
 * Equivalent to print_ustack(ubacktrace()), except that deeper stack
 * nesting may be supported.  Returns nothing.  See print_backtrace()
 * for kernel backtrace.
 *
 * Note: To get (full) backtraces for user space applications and shared
 * shared libraries not mentioned in the current script run stap with
 * -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data.
 */
function print_ubacktrace () %{ /* pragma:unwind */ /* pragma:symbols */
/* myproc-unprivileged */ /* pragma:uprobes */ /* pragma:vma */
    _stp_stack_user_print(CONTEXT, _STP_SYM_FULL);
%}

/**
 * sfunction sprint_ubacktrace - Return stack back trace for current user-space task as string.
 *
 * Returns a simple backtrace for the current task. One line per
 * address. Includes the symbol name (or hex address if symbol
 * couldn't be resolved) and module name (if found). Includes the
 * offset from the start of the function if found, otherwise the
 * offset will be added to the module (if found, between
 * brackets). Returns the backtrace as string (each line terminated by
 * a newline character).  Note that the returned stack will be
 * truncated to MAXSTRINGLEN, to print fuller and richer stacks use
 * print_ubacktrace(). Equivalent to sprint_ustack(ubacktrace()),
 * but more efficient (no need to translate between hex strings and
 * final backtrace string).
 *
 * Note: To get (full) backtraces for user space applications and shared
 * shared libraries not mentioned in the current script run stap with
 * -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data.
 */
function sprint_ubacktrace:string () %{ /* pragma:unwind */ /* pragma:symbols */
/* pure */ /* stable */ /* myproc-unprivileged */ /* pragma:uprobes */ /* pragma:vma */
    _stp_stack_user_sprint (STAP_RETVALUE, MAXSTRINGLEN, CONTEXT,
			    _STP_SYM_SIMPLE);
%}

/**
 * sfunction print_ubacktrace_brief- Print stack back trace for current user-space task.
 *
 * Equivalent to print_ubacktrace(), but output for each symbol is
 * shorter (just name and offset, or just the hex address of no symbol
 * could be found).
 *
 * Note: To get (full) backtraces for user space applications and shared
 * shared libraries not mentioned in the current script run stap with
 * -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data.
 */
function print_ubacktrace_brief () %{ /* pragma:unwind */ /* pragma:symbols */
/* myproc-unprivileged */ /* pragma:uprobes */ /* pragma:vma */
    _stp_stack_user_print(CONTEXT, _STP_SYM_BRIEF);
%}

/**
 * sfunction ubacktrace - Hex backtrace of current user-space task stack.
 *
 * Return a string of hex addresses that are a backtrace of the 
 * stack of the current task.  Output may be truncated as per maximum
 * string length. Returns empty string when current probe point cannot
 * determine user backtrace.  See backtrace() for kernel traceback.
 *
 * Note: To get (full) backtraces for user space applications and shared
 * shared libraries not mentioned in the current script run stap with
 * -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data.
 */
function ubacktrace:string () %{ /* pragma:unwind */
/* pure */ /* stable */ /* myproc-unprivileged */ /* pragma:uprobes */ /* pragma:vma */
    _stp_stack_user_sprint (STAP_RETVALUE, MAXSTRINGLEN, CONTEXT,
			    _STP_SYM_NONE);
%}

${this.title}

Code Editor : ucontext-unwind.stp