1*c29d5175Schristos #!/usr/sbin/dtrace -Zs 2*c29d5175Schristos /* 3*c29d5175Schristos * py_syscalls.d - count Python function calls and syscalls using DTrace. 4*c29d5175Schristos * Written for the Python DTrace provider. 5*c29d5175Schristos * 6*c29d5175Schristos * $Id: py_syscalls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7*c29d5175Schristos * 8*c29d5175Schristos * USAGE: py_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end 9*c29d5175Schristos * 10*c29d5175Schristos * FIELDS: 11*c29d5175Schristos * FILE Filename of the Python program 12*c29d5175Schristos * TYPE Type of call (func/syscall) 13*c29d5175Schristos * NAME Name of call 14*c29d5175Schristos * COUNT Number of calls during sample 15*c29d5175Schristos * 16*c29d5175Schristos * Filename and function names are printed if available. 17*c29d5175Schristos * The filename for syscalls may be printed as "python", if the program 18*c29d5175Schristos * was invoked using the form "python filename" rather than running the 19*c29d5175Schristos * program with an interpreter line. 20*c29d5175Schristos * 21*c29d5175Schristos * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 22*c29d5175Schristos * 23*c29d5175Schristos * CDDL HEADER START 24*c29d5175Schristos * 25*c29d5175Schristos * The contents of this file are subject to the terms of the 26*c29d5175Schristos * Common Development and Distribution License, Version 1.0 only 27*c29d5175Schristos * (the "License"). You may not use this file except in compliance 28*c29d5175Schristos * with the License. 29*c29d5175Schristos * 30*c29d5175Schristos * You can obtain a copy of the license at Docs/cddl1.txt 31*c29d5175Schristos * or http://www.opensolaris.org/os/licensing. 32*c29d5175Schristos * See the License for the specific language governing permissions 33*c29d5175Schristos * and limitations under the License. 34*c29d5175Schristos * 35*c29d5175Schristos * CDDL HEADER END 36*c29d5175Schristos * 37*c29d5175Schristos * 09-Sep-2007 Brendan Gregg Created this. 38*c29d5175Schristos */ 39*c29d5175Schristos 40*c29d5175Schristos #pragma D option quiet 41*c29d5175Schristos 42*c29d5175Schristos dtrace:::BEGIN 43*c29d5175Schristos { 44*c29d5175Schristos printf("Tracing... Hit Ctrl-C to end.\n"); 45*c29d5175Schristos } 46*c29d5175Schristos 47*c29d5175Schristos python$target:::function-entry 48*c29d5175Schristos { 49*c29d5175Schristos @calls[basename(copyinstr(arg0)), "func", copyinstr(arg1)] = count(); 50*c29d5175Schristos } 51*c29d5175Schristos 52*c29d5175Schristos syscall:::entry 53*c29d5175Schristos /pid == $target/ 54*c29d5175Schristos { 55*c29d5175Schristos @calls[basename(execname), "syscall", probefunc] = count(); 56*c29d5175Schristos } 57*c29d5175Schristos 58*c29d5175Schristos dtrace:::END 59*c29d5175Schristos { 60*c29d5175Schristos printf("\nCalls for PID %d,\n\n", $target); 61*c29d5175Schristos printf(" %-32s %-10s %-22s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); 62*c29d5175Schristos printa(" %-32s %-10s %-22s %@8d\n", @calls); 63*c29d5175Schristos } 64