#!/usr/sbin/dtrace -CZs /* * tcl_calltime.d - measure Tcl elapsed times for different types of operation. * Written for the Tcl DTrace provider. * * $Id: tcl_calltime.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ * * USAGE: tcl_calltime.d [top] # hit Ctrl-C to end * eg, * tcl_calltime.d # default, truncate to 10 lines * tcl_calltime.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 elapsed 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] = 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); @num[pid, "proc", this->name] = count(); @num[0, "total", "-"] = count(); @types_incl[pid, "proc", this->name] = sum(this->elapsed_incl); @types_excl[pid, "proc", this->name] = sum(this->elapsed_excl); @types_excl[0, "total", "-"] = sum(this->elapsed_excl); 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); @num[pid, "cmd", this->name] = count(); @num[0, "total", "-"] = count(); @types_incl[pid, "cmd", this->name] = sum(this->elapsed_incl); @types_excl[pid, "cmd", this->name] = sum(this->elapsed_excl); @types_excl[0, "total", "-"] = sum(this->elapsed_excl); self->depth--; self->exclude[self->depth] += this->elapsed_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 elapsed 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 elapsed times (us),\n", top); printf(" %6s %-10s %-48s %8s\n", "PID", "TYPE", "NAME", "TOTAL"); printa(" %6d %-10s %-48s %@8d\n", @types_incl); }