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#!/usr/sbin/dtrace -CZs
/*
* tcl_cputime.d - measure Tcl on-CPU times for different types of operation.
* Written for the Tcl DTrace provider.
*
* $Id: tcl_cputime.d 63 2007-10-04 04:34:38Z brendan $
*
* USAGE: tcl_cputime.d [top] # hit Ctrl-C to end
* eg,
* tcl_cputime.d # default, truncate to 10 lines
* tcl_cputime.d 25 # truncate each report section to 25 lines
*
* This traces activity from all Tcl processes on the system with DTrace
* provider support (tcl8.4.16).
*
* FIELDS:
* PID Process ID
* TYPE Type of call (proc/cmd/total)
* NAME Name of call
* TOTAL Total on-CPU time for calls (us)
*
* 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.
*/
#define TOP 10 /* default output truncation */
#define B_FALSE 0
#pragma D option quiet
#pragma D option defaultargs
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
top = $1 != 0 ? $1 : TOP;
}
tcl*:::proc-entry
{
self->depth++;
self->exclude[self->depth] = 0;
self->proc[self->depth] = vtimestamp;
}
tcl*:::proc-return
/self->proc[self->depth]/
{
this->oncpu_incl = vtimestamp - self->proc[self->depth];
this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
self->proc[self->depth] = 0;
self->exclude[self->depth] = 0;
this->name = copyinstr(arg0);
@num[pid, "proc", this->name] = count();
@num[0, "total", "-"] = count();
@types_incl[pid, "proc", this->name] = sum(this->oncpu_incl);
@types_excl[pid, "proc", this->name] = sum(this->oncpu_excl);
@types_excl[0, "total", "-"] = sum(this->oncpu_excl);
self->depth--;
self->exclude[self->depth] += this->oncpu_incl;
}
tcl*:::cmd-entry
{
self->depth++;
self->exclude[self->depth] = 0;
self->cmd[self->depth] = vtimestamp;
}
tcl*:::cmd-return
/self->cmd[self->depth]/
{
this->oncpu_incl = vtimestamp - self->cmd[self->depth];
this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
self->cmd[self->depth] = 0;
self->exclude[self->depth] = 0;
this->name = copyinstr(arg0);
@num[pid, "cmd", this->name] = count();
@num[0, "total", "-"] = count();
@types_incl[pid, "cmd", this->name] = sum(this->oncpu_incl);
@types_excl[pid, "cmd", this->name] = sum(this->oncpu_excl);
@types_excl[0, "total", "-"] = sum(this->oncpu_excl);
self->depth--;
self->exclude[self->depth] += this->oncpu_incl;
}
dtrace:::END
{
trunc(@num, top);
printf("\nTop %d counts,\n", top);
printf(" %6s %-10s %-48s %8s\n", "PID", "TYPE", "NAME", "COUNT");
printa(" %6d %-10s %-48s %@8d\n", @num);
trunc(@types_excl, top);
normalize(@types_excl, 1000);
printf("\nTop %d exclusive on-CPU times (us),\n", top);
printf(" %6s %-10s %-48s %8s\n", "PID", "TYPE", "NAME", "TOTAL");
printa(" %6d %-10s %-48s %@8d\n", @types_excl);
trunc(@types_incl, top);
normalize(@types_incl, 1000);
printf("\nTop %d inclusive on-CPU times (us),\n", top);
printf(" %6s %-10s %-48s %8s\n", "PID", "TYPE", "NAME", "TOTAL");
printa(" %6d %-10s %-48s %@8d\n", @types_incl);
}
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