#!/usr/sbin/dtrace -CZs /* * tcl_calldist.d - measure Tcl elapsed time for different types of operation. * Written for the Tcl DTrace provider. * * $Id: tcl_calldist.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * USAGE: tcl_calldist.d [top] # hit Ctrl-C to end * eg, * tcl_calldist.d # default, truncate to 10 lines * tcl_calldist.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: * 1 Process ID * 2 Type of call (proc/cmd/total) * 3 Name of call * * 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] = timestamp; } tcl*:::proc-return /self->proc[self->depth]/ { this->elapsed_incl = timestamp - self->proc[self->depth]; this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth]; self->proc[self->depth] = 0; self->exclude[self->depth] = 0; this->name = copyinstr(arg0); @types_incl[pid, "proc", this->name] = quantize(this->elapsed_incl / 1000); @types_excl[pid, "proc", this->name] = quantize(this->elapsed_excl / 1000); self->depth--; self->exclude[self->depth] += this->elapsed_incl; } tcl*:::cmd-entry { self->depth++; self->exclude[self->depth] = 0; self->cmd[self->depth] = timestamp; } tcl*:::cmd-return /self->cmd[self->depth]/ { this->elapsed_incl = timestamp - self->cmd[self->depth]; this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth]; self->cmd[self->depth] = 0; self->exclude[self->depth] = 0; this->name = copyinstr(arg0); @types_incl[pid, "cmd", this->name] = quantize(this->elapsed_incl / 1000); @types_excl[pid, "cmd", this->name] = quantize(this->elapsed_excl / 1000); self->depth--; self->exclude[self->depth] += this->elapsed_incl; } dtrace:::END { trunc(@types_excl, top); printf("\nTop %d exclusive elapsed times (us),\n", top); printa(" PID=%d, %s, %s %@d\n", @types_excl); trunc(@types_incl, top); printf("\nTop %d inclusive elapsed times (us),\n", top); printa(" PID=%d, %s, %s %@d\n", @types_incl); }