mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
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90902aaf13
* initialise leak_check heuristic parameter in the leak_check monitor command * show the default value (none heuristic) in the monitor help command (none value chosen as default as this gives a backward compatible behaviour). * document the heuristic leak check parameter in memcheck manual monitor command section git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13631
101 lines
5.4 KiB
Plaintext
101 lines
5.4 KiB
Plaintext
general valgrind monitor commands:
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help [debug] : monitor command help. With debug: + debugging commands
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v.wait [<ms>] : sleep <ms> (default 0) then continue
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v.info all_errors : show all errors found so far
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v.info last_error : show last error found
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v.info n_errs_found [msg] : show the nr of errors found so far and the given msg
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v.info open_fds : show open file descriptors (only if --track-fds=yes)
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v.kill : kill the Valgrind process
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v.set gdb_output : set valgrind output to gdb
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v.set log_output : set valgrind output to log
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v.set mixed_output : set valgrind output to log, interactive output to gdb
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v.set merge-recursive-frames <num> : merge recursive calls in max <num> frames
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v.set vgdb-error <errornr> : debug me at error >= <errornr>
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memcheck monitor commands:
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get_vbits <addr> [<len>]
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returns validity bits for <len> (or 1) bytes at <addr>
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bit values 0 = valid, 1 = invalid, __ = unaddressable byte
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Example: get_vbits 0x........ 10
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make_memory [noaccess|undefined
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|defined|Definedifaddressable] <addr> [<len>]
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mark <len> (or 1) bytes at <addr> with the given accessibility
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check_memory [addressable|defined] <addr> [<len>]
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check that <len> (or 1) bytes at <addr> have the given accessibility
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and outputs a description of <addr>
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leak_check [full*|summary]
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[kinds kind1,kind2,...|reachable|possibleleak*|definiteleak]
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[heuristics heur1,heur2,...]
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[increased*|changed|any]
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[unlimited*|limited <max_loss_records_output>]
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* = defaults
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where kind is one of definite indirect possible reachable all none
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where heur is one of stdstring newarray multipleinheritance all none*
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Examples: leak_check
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leak_check summary any
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leak_check full kinds indirect,possible
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leak_check full reachable any limited 100
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block_list <loss_record_nr>
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after a leak search, shows the list of blocks of <loss_record_nr>
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who_points_at <addr> [<len>]
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shows places pointing inside <len> (default 1) bytes at <addr>
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(with len 1, only shows "start pointers" pointing exactly to <addr>,
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with len > 1, will also show "interior pointers")
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general valgrind monitor commands:
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help [debug] : monitor command help. With debug: + debugging commands
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v.wait [<ms>] : sleep <ms> (default 0) then continue
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v.info all_errors : show all errors found so far
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v.info last_error : show last error found
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v.info n_errs_found [msg] : show the nr of errors found so far and the given msg
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v.info open_fds : show open file descriptors (only if --track-fds=yes)
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v.kill : kill the Valgrind process
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v.set gdb_output : set valgrind output to gdb
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v.set log_output : set valgrind output to log
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v.set mixed_output : set valgrind output to log, interactive output to gdb
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v.set merge-recursive-frames <num> : merge recursive calls in max <num> frames
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v.set vgdb-error <errornr> : debug me at error >= <errornr>
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debugging valgrind internals monitor commands:
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v.do expensive_sanity_check_general : do an expensive sanity check now
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v.info gdbserver_status : show gdbserver status
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v.info memory [aspacemgr] : show valgrind heap memory stats
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(with aspacemgr arg, also shows valgrind segments on log ouput)
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v.info exectxt : show stacktraces and stats of all execontexts
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v.info scheduler : show valgrind thread state and stacktrace
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v.set debuglog <level> : set valgrind debug log level to <level>
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v.translate <addr> [<traceflags>] : debug translation of <addr> with <traceflags>
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(default traceflags 0b00100000 : show after instrumentation)
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An additional flag 0b100000000 allows to show gdbserver instrumentation
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memcheck monitor commands:
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get_vbits <addr> [<len>]
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returns validity bits for <len> (or 1) bytes at <addr>
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bit values 0 = valid, 1 = invalid, __ = unaddressable byte
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Example: get_vbits 0x........ 10
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make_memory [noaccess|undefined
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|defined|Definedifaddressable] <addr> [<len>]
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mark <len> (or 1) bytes at <addr> with the given accessibility
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check_memory [addressable|defined] <addr> [<len>]
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check that <len> (or 1) bytes at <addr> have the given accessibility
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and outputs a description of <addr>
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leak_check [full*|summary]
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[kinds kind1,kind2,...|reachable|possibleleak*|definiteleak]
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[heuristics heur1,heur2,...]
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[increased*|changed|any]
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[unlimited*|limited <max_loss_records_output>]
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* = defaults
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where kind is one of definite indirect possible reachable all none
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where heur is one of stdstring newarray multipleinheritance all none*
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Examples: leak_check
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leak_check summary any
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leak_check full kinds indirect,possible
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leak_check full reachable any limited 100
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block_list <loss_record_nr>
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after a leak search, shows the list of blocks of <loss_record_nr>
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who_points_at <addr> [<len>]
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shows places pointing inside <len> (default 1) bytes at <addr>
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(with len 1, only shows "start pointers" pointing exactly to <addr>,
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with len > 1, will also show "interior pointers")
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monitor command request to kill this process
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