Hi,
perl-5.12.0 has apparently integrated Alan Burlison and Richard Dave's patches
to add sub-entry and sub-return probes. I'm so far unable to get this to work.
I compiled Perl-5.12.0 with -Dusedtrace and tried all the default example
programs. Andy Armstrong in the perl5-porters
http://www.nntp.perl.org/group/perl.perl5.porters/2010/04/msg159223.html thread
claims this all works for him.
In ~/src/perl but using the newly installed copy of perl in
/usr/local/perl-5.12.0/bin/perl.
$ cat script.pl
#!/usr/local/perl-5.12.0/bin/perl
foo() for 1 .. 5;
sub foo {
print BAD_HANDLE "In foo\n";
}
$ cat script.d
perl$target::sub-entry, perl$target::sub-return {
printf("%s %s (%s:%d)\n", probename == "sub-entry" ? "->" : "<-",
copyinstr(arg0), copyinstr(arg1), arg2);
}
$ sudo dtrace -c ./script.pl -s script.d
dtrace: failed to compile script script.d: line 1: probe description
:perl31479::sub-entry does not match any probes
$ for d in ~/src/DTraceToolkit-0.99/Perl/*.d;do sudo dtrace -c ./script.pl -s
$d;done
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_calldist.d: line 49: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_calltime.d: line 47: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_cpudist.d: line 49: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_cputime.d: line 47: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_flow.d: line 58: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_flowinfo.d: line 61: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_flowtime.d: line 63: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_malloc.d: line 44: probe
description perl31429:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_subcalls.d: line 46: probe
description perl*:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_syscalls.d: line 49: probe
description perl31433:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_syscolors.d: line 65: probe
description perl31435:::sub-entry does not match any probes
dtrace: failed to compile script
/Users/jbenjore/src/DTraceToolkit-0.99/Perl/pl_who.d: line 47: probe
description perl*:::sub-entry does not match any probes
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