#!/usr/sbin/dtrace -Zs
/*
* py_mallocstk.d - Python libc malloc analysis with full stack traces.
* Written for the Python DTrace provider.
*
* $Id: py_mallocstk.d 19 2007-09-12 07:47:59Z brendan $
*
* USAGE: py_mallocstk.d { -p PID | -c cmd } # hit Ctrl-C to end
*
* 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
/* tune as desired, */
#pragma D option jstackframes=64
#pragma D option jstackstrsize=1024
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
pid$target:libc:malloc:entry
{
@mallocs[jstack()] = quantize(arg0);
}
dtrace:::END
{
printf("\nPython malloc byte distributions by stack trace,\n\n");
printa(@mallocs);
}