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147 lines
2.8 KiB
D
Executable File
147 lines
2.8 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* rb_stat.d - Ruby operation stats using DTrace.
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* Written for the Ruby DTrace provider.
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*
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* $Id: rb_stat.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
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*
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* This traces activity from all Ruby programs on the system that are
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* running with Ruby provider support.
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*
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* USAGE: rb_stat.d [interval [count]]
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*
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* FIELDS:
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* EXEC/s Ruby programs executed per second, including
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* those without Ruby provider support
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* METHOD/s Methods called, per second
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* OBJNEW/s Objects created, per second
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* OBJFRE/s Objects freed, per second
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* RAIS/s Raises, per second
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* RESC/s Rescues, per second
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* GC/s Garbage collects, per second
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*
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* The numbers are counts for the interval specified. The default interval
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* is 1 second.
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*
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* If you see a count in "EXECS" but not in the other columns, then your
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* Ruby software is probably not running with the DTrace Ruby provider.
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* See Ruby/Readme.
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*
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* Filename and method names are printed if available.
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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 defaultargs
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inline int SCREEN = 21;
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dtrace:::BEGIN
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{
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execs = methods = objnew = objfree = gc = raised = rescue = 0;
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lines = SCREEN + 1;
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interval = $1 ? $1 : 1;
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counts = $2 ? $2 : -1;
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secs = interval;
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first = 1;
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}
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profile:::tick-1sec
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{
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secs--;
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}
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/*
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* Print Header
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*/
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dtrace:::BEGIN,
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profile:::tick-1sec
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/first || (secs == 0 && lines > SCREEN)/
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{
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printf("%-20s %8s %8s %8s %8s %6s %6s %6s\n", "TIME", "EXEC/s",
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"METHOD/s", "OBJNEW/s", "OBJFRE/s", "RAIS/s", "RESC/s", "GC/s");
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lines = 0;
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first = 0;
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}
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/*
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* Tally Data
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*/
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proc:::exec-success
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/execname == "ruby"/
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{
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execs++;
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}
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ruby*:::function-entry
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{
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methods++;
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}
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ruby*:::object-create-start
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{
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objnew++;
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}
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ruby*:::object-free
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{
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objfree++;
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}
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ruby*:::raise
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{
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raised++;
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}
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ruby*:::rescue
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{
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rescue++;
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}
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ruby*:::gc-begin
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{
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gc++;
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}
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/*
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* Print Output
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*/
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profile:::tick-1sec
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/secs == 0/
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{
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printf("%-20Y %8d %8d %8d %8d %6d %6d %6d\n", walltimestamp,
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execs / interval, methods / interval, objnew / interval,
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objfree / interval, raised / interval, rescue / interval,
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gc / interval);
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execs = methods = objnew = objfree = gc = raised = rescue = 0;
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secs = interval;
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lines++;
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counts--;
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}
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/*
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* End
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*/
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profile:::tick-1sec
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/counts == 0/
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{
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exit(0);
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}
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