#!/usr/sbin/dtrace -Zs /* * tcl_syscalls.d - count Tcl calls and syscalls using DTrace. * Written for the Tcl DTrace provider. * * $Id: tcl_syscalls.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * This traces activity from all Tcl processes on the system with DTrace * provider support (tcl8.4.16). * * USAGE: tcl_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end * * FIELDS: * PID Process ID * TYPE Type of call (method/syscall) * NAME Name of call * COUNT Number of calls during sample * * 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. */ #pragma D option quiet dtrace:::BEGIN { printf("Tracing... Hit Ctrl-C to end.\n"); } tcl$target:::proc-entry { @calls[pid, "proc", copyinstr(arg0)] = count(); } tcl$target:::cmd-entry { @calls[pid, "cmd", copyinstr(arg0)] = count(); } syscall:::entry /pid == $target/ { @calls[pid, "syscall", probefunc] = count(); } dtrace:::END { printf(" %6s %-8s %-52s %8s\n", "PID", "TYPE", "NAME", "COUNT"); printa(" %6d %-8s %-52s %@8d\n", @calls); }