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Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -905,6 +905,22 @@ Removes -g from optimize, and -DDEBUGGING from ccflags. If you are using a shared libperl, see the warnings about multiple versions of perl under L<Building a shared Perl library>. +Note that a perl built with -DDEBUGGING will be bigger and will run more +slowly than a standard perl. + +=head2 DTrace support + +On platforms where DTrace is available, it may be enabled by +using the -Dusedtrace option to Configure. DTrace probes are available for +subroutine entry (sub-entry) and subroutine exit (sub-exit). Here's a +simple D script that uses them: + + perl$target:::sub-entry, perl$target:::sub-return { + printf("%s %s (%s:%d)\n", probename == "sub-entry" ? "->" : "<-", + copyinstr(arg0), copyinstr(arg1), arg2); + } + + =head2 Extensions Perl ships with a number of standard extensions. These are contained |