50 lines
1.2 KiB
D
50 lines
1.2 KiB
D
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#!/usr/sbin/dtrace -Zs
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/*
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* py_mallocstk.d - Python libc malloc analysis with full stack traces.
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* Written for the Python DTrace provider.
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*
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* $Id: py_mallocstk.d 19 2007-09-12 07:47:59Z brendan $
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*
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* USAGE: py_mallocstk.d { -p PID | -c cmd } # hit Ctrl-C to end
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*
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* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-Sep-2007 Brendan Gregg Created this.
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*/
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#pragma D option quiet
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/* tune as desired, */
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#pragma D option jstackframes=64
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#pragma D option jstackstrsize=1024
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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pid$target:libc:malloc:entry
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{
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@mallocs[jstack()] = quantize(arg0);
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}
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dtrace:::END
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{
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printf("\nPython malloc byte distributions by stack trace,\n\n");
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printa(@mallocs);
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}
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