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usage: valgrind [options] prog-and-args
common user options for all Valgrind tools, with defaults in [ ]:
--tool=<name> use the Valgrind tool named <name> [memcheck]
-h --help show this message
--help-debug show this message, plus debugging options
--version show version
-q --quiet run silently; only print error msgs
-v --verbose be more verbose, incl counts of errors
--trace-children=no|yes Valgrind-ise child processes (follow execve)? [no]
--child-silent-after-fork=no|yes omit child output between fork & exec? [no]
--track-fds=no|yes track open file descriptors? [no]
--time-stamp=no|yes add timestamps to log messages? [no]
--log-fd=<number> log messages to file descriptor [2=stderr]
--log-file=<file> log messages to <file>
--log-socket=ipaddr:port log messages to socket ipaddr:port
uncommon user options for all Valgrind tools:
--run-libc-freeres=no|yes free up glibc memory at exit? [yes]
--sim-hints=hint1,hint2,... known hints:
lax-ioctls, enable-outer [none]
--show-emwarns=no|yes show warnings about emulation limits? [no]
--smc-check=none|stack|all checks for self-modifying code: none,
only for code found in stacks, or all [stack]
--kernel-variant=variant1,variant2,... known variants: bproc [none]
handle non-standard kernel variants
user options for Valgrind tools that report errors:
--xml=yes all output is in XML (some tools only)
--xml-user-comment=STR copy STR verbatim to XML output
--demangle=no|yes automatically demangle C++ names? [yes]
--num-callers=<number> show <number> callers in stack traces [12]
--error-limit=no|yes stop showing new errors if too many? [yes]
--error-exitcode=<number> exit code to return if errors found [0=disable]
--show-below-main=no|yes continue stack traces below main() [no]
--suppressions=<filename> suppress errors described in <filename>
--gen-suppressions=no|yes|all print suppressions for errors? [no]
--db-attach=no|yes start debugger when errors detected? [no]
--db-command=<command> command to start debugger [gdb -nw %f %p]
--input-fd=<number> file descriptor for input [0=stdin]
--max-stackframe=<number> assume stack switch for SP changes larger
than <number> bytes [2000000]
user options for Nulgrind:
(none)
debugging options for all Valgrind tools:
--sanity-level=<number> level of sanity checking to do [1]
--trace-flags=<XXXXXXXX> show generated code? (X = 0|1) [00000000]
--profile-flags=<XXXXXXXX> ditto, but for profiling (X = 0|1) [00000000]
--trace-notbelow=<number> only show BBs above <number> [999999999]
--trace-syscalls=no|yes show all system calls? [no]
--trace-signals=no|yes show signal handling details? [no]
--trace-symtab=no|yes show symbol table details? [no]
--trace-symtab-patt=<patt> limit debuginfo tracing to obj name <patt>
--trace-cfi=no|yes show call-frame-info details? [no]
--debug-dump=syms mimic /usr/bin/readelf --syms
--debug-dump=line mimic /usr/bin/readelf --debug-dump=line
--debug-dump=frames mimic /usr/bin/readelf --debug-dump=frames
--trace-redir=no|yes show redirection details? [no]
--trace-sched=no|yes show thread scheduler details? [no]
--wait-for-gdb=yes|no pause on startup to wait for gdb attach
--sym-offsets=yes|no show syms in form 'name+offset' ? [no]
--command-line-only=no|yes only use command line options [no]
--vex-iropt-verbosity 0 .. 9 [0]
--vex-iropt-level 0 .. 2 [2]
--vex-iropt-precise-memory-exns [no]
--vex-iropt-unroll-thresh 0 .. 400 [120]
--vex-guest-max-insns 1 .. 100 [50]
--vex-guest-chase-thresh 0 .. 99 [10]
--trace-flags and --profile-flags values (omit the middle space):
1000 0000 show conversion into IR
0100 0000 show after initial opt
0010 0000 show after instrumentation
0001 0000 show after second opt
0000 1000 show after tree building
0000 0100 show selecting insns
0000 0010 show after reg-alloc
0000 0001 show final assembly
(Nb: you need --trace-notbelow with --trace-flags for full details)
debugging options for Valgrind tools that report errors
--dump-error=<number> show translation for basic block associated
with <number>'th error context [0=show none]
debugging options for Nulgrind:
(none)
Extra options read from ~/.valgrindrc, $VALGRIND_OPTS, ./.valgrindrc
Valgrind is Copyright (C) 2000-2007 Julian Seward et al.
and licensed under the GNU General Public License, version 2.
Bug reports, feedback, admiration, abuse, etc, to: www.valgrind.org.
Tools are copyright and licensed by their authors. See each
tool's start-up message for more information.
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