tests/filter_stderr_basic

   1 #! /bin/sh
   2
   3 # This filter should be applied to *every* stderr result.  It removes
   4 # Valgrind startup stuff and pid numbers.
   5 #
   6 # Nb: The GNU and BSD implementations of 'sed' are quite different, so
   7 # anything remotely complicated (e.g. "\(a\|b\)" alternatives) can't be
   8 # easily done.  Use Perl instead for any such cases.
   9
  10 dir=`dirname $0`
  11
  12 # Remove ==pid== and --pid-- and **pid** strings
  13 perl -p -e 's/(==|--|\*\*)[0-9]{1,7}\1 //' |
  14
  15 # Remove any --pid:0: strings (debuglog level zero output)
  16 sed "/^--[0-9]\{1,7\}:0:*/d" |
  17
  18 # Remove "Command: line".  (If wrapping occurs, it won't remove the
  19 # subsequent lines...)
  20 sed "/^Command: .*$/d" |
  21
  22 # Remove "WARNING: assuming toc 0x.." strings
  23 sed "/^WARNING: assuming toc 0x*/d" |
  24
  25 # Remove "Using Valgrind-$VERSION and LibVEX..." line.
  26 # Tools have to filter their own line themselves.
  27 sed "/^Using Valgrind-.* and LibVEX; rerun with -h for copyright info/ d" |
  28
  29 # Anonymise line numbers in vg_replace_malloc.c, remove dirname if present
  30 perl -p -e "s/(m_replacemalloc\/)?vg_replace_malloc.c:\d+\)/vg_replace_malloc.c:...\)/" |
  31
  32 # Likewise for valgrind.h
  33 perl -p -e "s/valgrind\.h:\d+\)/valgrind\.h:...\)/" |
  34
  35 # Hide suppressed error counts
  36 sed "s/^\(ERROR SUMMARY[^(]*(suppressed: \)[0-9]*\( from \)[0-9]*)$/\10\20)/" |
  37
  38 # Reduce some libc incompatibility
  39 $dir/filter_libc |
  40
  41 # Remove line info out of order warnings
  42 sed "/warning: line info addresses out of order/d" |
  43
  44 # Older bash versions print abnormal termination messages on the stderr
  45 # of the bash process. Newer bash versions redirect such messages properly.
  46 # Suppress any redirected abnormal termination messages. You can find the
  47 # complete list of messages in the bash source file siglist.c.
  48 perl -n -e 'print if !/^(Segmentation fault|Alarm clock|Aborted|Bus error)( \(core dumped\))?$/' |
  49
  50 # Similar as above, but for ksh on Solaris/illumos.
  51 perl -n -e 'print if !/^(Memory fault|Killed) $/' |
  52
  53 # Translate intercepted glibc functions back to their canonical name
  54 perl -p -e "s/: memcpy\@\@?GLIBC_[.1-9]+ \(vg_replace_strmem.c:.*?\)/: memcpy \(vg_replace_strmem.c:...\)/" |
  55 sed -e "s/: \(__GI_\|__\|\)\(memcmp\|memcpy\|strcpy\|strncpy\|strchr\|strrchr\)\(\|_sse4_1\|_sse42\|_sse2_unaligned\) (vg_replace_strmem.c:/: \2 (vg_replace_strmem.c:/" |
  56
  57 # Remove any ": dumping core" message as the user might have a
  58 # limit set that prevents the core dump
  59 sed "s/\(signal [0-9]* (SIG[A-Z]*)\): dumping core/\1/" |
  60
  61 # Remove the size in "The main thread stack size..." message.
  62 sed "s/The main thread stack size used in this run was [0-9]*/The main thread stack size used in this run was .../" |
  63
  64 # Remove the size in "10482464 bytes below stack pointer" message.
  65 sed "s/[0-9][0-9]* bytes below stack pointer/.... bytes below stack pointer/" |
  66
  67 # Suppress warnings from incompatible debug info
  68 sed '/warning: the debug information found in "[^"]*" does not match/d' |
  69
  70 # Suppress warnings from Dwarf reader
  71 sed '/warning: evaluate_Dwarf3_Expr: unhandled DW_OP_/d'