A mechanism for inlineable OP equivalents of XSUBs is a TODO.

[p5sagit/p5-mst-13.2.git] / pod / perlrun.pod

diff --git a/pod/perlrun.pod b/pod/perlrun.pod
index f89c979..b98ab78 100644 (file)
--- a/pod/perlrun.pod
+++ b/pod/perlrun.pod
@@ -1245,6 +1245,20 @@ see L<perlsec/"Algorithmic Complexity Attacks"> for more information.
 B<Do not disclose the hash seed> to people who don't need to know it.
 See also hash_seed() of L<Hash::Util>.
 
+=item PERL_MEM_LOG
+X<PERL_MEM_LOG>
+
+If your perl was configured with C<-Accflags=-DPERL_MEM_LOG>, setting the
+environment variable C<PERL_MEMLOG> enables logging debug messages. The
+value has the form C<< <number>[m][s][t] >>, where C<number> is the
+filedescriptor number you want to write to, and the combination of letters
+specifies that you want information about (m)emory and/or (s)v, optionally
+with (t)imestamps. For example C<PERL_MEMLOG=1mst> will log all
+information to stdout. You can write to other opened filedescriptors too,
+in a variety of ways;
+
+  bash$ 3>foo3 PERL_MEM_LOG=3m perl ...
+
 =item PERL_ROOT (specific to the VMS port)
 X<PERL_ROOT>