#!/usr/sbin/dtrace -Zs /* * py_syscalls.d - count Python function calls and syscalls using DTrace. * Written for the Python DTrace provider. * * $Id: py_syscalls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ * * USAGE: py_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end * * FIELDS: * FILE Filename of the Python program * TYPE Type of call (func/syscall) * NAME Name of call * COUNT Number of calls during sample * * Filename and function names are printed if available. * The filename for syscalls may be printed as "python", if the program * was invoked using the form "python filename" rather than running the * program with an interpreter line. * * 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"); } python$target:::function-entry { @calls[basename(copyinstr(arg0)), "func", copyinstr(arg1)] = count(); } syscall:::entry /pid == $target/ { @calls[basename(execname), "syscall", probefunc] = count(); } dtrace:::END { printf("\nCalls for PID %d,\n\n", $target); printf(" %-32s %-10s %-22s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); printa(" %-32s %-10s %-22s %@8d\n", @calls); }