diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Perl/pl_malloc.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/Perl/pl_malloc.d | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/cddl/contrib/dtracetoolkit/Perl/pl_malloc.d b/cddl/contrib/dtracetoolkit/Perl/pl_malloc.d deleted file mode 100755 index b71e765..0000000 --- a/cddl/contrib/dtracetoolkit/Perl/pl_malloc.d +++ /dev/null @@ -1,81 +0,0 @@ -#!/usr/sbin/dtrace -Zs -/* - * pl_malloc.d - Perl libc malloc analysis. - * Written for the Perl DTrace provider. - * - * $Id: pl_malloc.d 19 2007-09-12 07:47:59Z brendan $ - * - * This is an expiremental script to identify who is calling malloc() for - * memory allocation, and to print distribution plots of the requested bytes. - * If a malloc() occured while in a Perl subroutine, then that subroutine is - * identified as responsible; else the caller of malloc() is identified as - * responsible - which will be a function from the Perl engine. - * - * USAGE: pl_malloc.d { -p PID | -c cmd } # hit Ctrl-C to end - * - * Filename and subroutine names are printed if available. - * - * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. - * - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at Docs/cddl1.txt - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * CDDL HEADER END - * - * 09-Sep-2007 Brendan Gregg Created this. - */ - -#pragma D option quiet - -dtrace:::BEGIN -{ - printf("Tracing... Hit Ctrl-C to end.\n"); -} - -perl$target:::sub-entry -{ - self->file = basename(copyinstr(arg1)); - self->name = copyinstr(arg0); -} - -perl$target:::sub-return -{ - self->file = 0; - self->name = 0; -} - -pid$target:libc:malloc:entry -/self->file != NULL/ -{ - @malloc_sub_size[self->file, self->name] = sum(arg0); - @malloc_sub_dist[self->file, self->name] = quantize(arg0); -} - -pid$target:libc:malloc:entry -/self->name == NULL/ -{ - @malloc_lib_size[usym(ucaller)] = sum(arg0); - @malloc_lib_dist[usym(ucaller)] = quantize(arg0); -} - - -dtrace:::END -{ - printf("\nPerl malloc byte distributions by engine caller,\n\n"); - printa(" %A, total bytes = %@d %@d\n", @malloc_lib_size, - @malloc_lib_dist); - - printf("\nPerl malloc byte distributions by Perl file and "); - printf("subroutine,\n\n"); - printa(" %s, %s, bytes total = %@d %@d\n", @malloc_sub_size, - @malloc_sub_dist); -} |