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138 lines
2.7 KiB
D
Executable File
138 lines
2.7 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* tcl_stat.d - Tcl operation stats using DTrace.
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* Written for the Tcl DTrace provider.
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*
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* $Id: tcl_stat.d 63 2007-10-04 04:34:38Z brendan $
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*
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* This traces activity from all Tcl processes on the system with DTrace
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* provider support (tcl8.4.16).
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*
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* USAGE: tcl_stat.d [interval [count]]
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*
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* FIELDS:
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* EXEC/s Tcl programs executed per second, including
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* those without Tcl provider support
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* PROC/s Procedures called, per second
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* CMD/s Commands created, 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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* OP/s Bytecode operations, 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 you
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* may have older Tcl software that does not have the integrated DTrace
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* provider (or newer software where the provider has changed).
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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 = procs = cmds = objnew = objfree = ops = 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 %6s %8s %8s %8s %8s %8s\n", "TIME", "EXEC/s",
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"PROC/s", "CMD/s", "OBJNEW/s", "OBJFRE/s", "OP/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 == "tcl" || execname == "tclsh"/
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{
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execs++;
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}
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tcl*:::proc-entry
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{
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procs++;
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}
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tcl*:::cmd-entry
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{
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cmds++;
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}
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tcl*:::obj-create
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{
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objnew++;
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}
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tcl*:::obj-free
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{
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objfree++;
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}
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tcl*:::inst-start
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{
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ops++;
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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 %6d %8d %8d %8d %8d %8d\n", walltimestamp,
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execs / interval, procs / interval, cmds / interval,
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objnew / interval, objfree / interval, ops / interval);
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execs = procs = cmds = objnew = objfree = ops = 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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