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89 lines
2.3 KiB
D
Executable File
89 lines
2.3 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* php_flowinfo.d - snoop PHP function flow with info using DTrace.
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* Written for the PHP DTrace provider.
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*
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* $Id: php_flowinfo.d 53 2007-09-24 04:58:38Z brendan $
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*
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* This traces activity from all PHP programs on the system that are
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* running with PHP provider support.
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*
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* USAGE: php_flowinfo.d # hit Ctrl-C to end
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*
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* FIELDS:
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* C CPU-id
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* PID Process ID
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* DELTA(us) Elapsed time from previous line to this line
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* FILE Filename of the PHP program
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* LINE Line number of filename
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* TYPE Type of call (func)
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* FUNC PHP function
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*
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* LEGEND:
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* -> function entry
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* <- function return
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*
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* Filename and function names are printed if available.
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*
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* WARNING: Watch the first column carefully, it prints the CPU-id. If it
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* changes, then it is very likely that the output has been shuffled.
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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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#pragma D option switchrate=10
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self int depth;
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dtrace:::BEGIN
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{
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printf("%s %6s/%-4s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "TID",
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"DELTA(us)", "FILE", "LINE", "TYPE", "FUNC");
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}
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php*:::function-entry,
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php*:::function-return
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/self->last == 0/
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{
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self->last = timestamp;
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}
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php*:::function-entry
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/arg0/
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{
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this->delta = (timestamp - self->last) / 1000;
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printf("%d %6d/%-4d %10d %16s:%-4d %-8s %*s-> %s\n", cpu, pid, tid,
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this->delta, basename(copyinstr(arg1)), arg2, "func",
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self->depth * 2, "", copyinstr(arg0));
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self->depth++;
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self->last = timestamp;
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}
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php*:::function-return
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/arg0/
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{
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this->delta = (timestamp - self->last) / 1000;
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self->depth -= self->depth > 0 ? 1 : 0;
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printf("%d %6d/%-4d %10d %16s:%-4d %-8s %*s<- %s\n", cpu, pid, tid,
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this->delta, basename(copyinstr(arg1)), arg2, "func",
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self->depth * 2, "", copyinstr(arg0));
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self->last = timestamp;
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}
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