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Have tracediff print warning if no traceflags are set.

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Elaborate on description a bit.

--HG--
extra : convert_revision : 2649961b53d6fb2774ddfb60219415ae4251db2d
This commit is contained in:
Steve Reinhardt 2006-10-22 12:51:00 -04:00
parent 5e2263fc52
commit 810dee6e98
1 changed files with 12 additions and 0 deletions
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12
util/tracediff
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@ -41,6 +41,10 @@
# you'll have to quote the arg or escape the '|' with a backslash # you'll have to quote the arg or escape the '|' with a backslash
# so that the shell doesn't think you're doing a pipe. # so that the shell doesn't think you're doing a pipe.
# #
# In other words, the arguments should look like the command line you
# want to run, with "|" used to list the alternatives for the parts
# that you want to differ between the two runs.
#
# For example: # For example:
# #
# % tracediff m5.opt --opt1 "--opt2|--opt3" --opt4 # % tracediff m5.opt --opt1 "--opt2|--opt3" --opt4
@ -79,6 +83,14 @@ $sim2 = shift @cmd2;
$args1 = join(' ', @cmd1); $args1 = join(' ', @cmd1);
$args2 = join(' ', @cmd2); $args2 = join(' ', @cmd2);
# Common mistake: if you don't set any traceflags this often isn't
# doing what you want.
if ($args1 !~ /--trace-flags/) {
print "****\n";
print "**** WARNING: no trace flags set... you may not be diffing much!\n";
print "****\n";
}
# Run individual invocations in separate dirs so output and intermediate # Run individual invocations in separate dirs so output and intermediate
# files (particularly config.py and config.ini) don't conflict. # files (particularly config.py and config.ini) don't conflict.
$dir1 = "tracediff-$$-1"; $dir1 = "tracediff-$$-1";