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      1 #!/usr/sbin/dtrace -Zs
      2 /*
      3  * py_who.d - trace Python function execution by process using DTrace.
      4  *            Written for the Python DTrace provider.
      5  *
      6  * $Id: py_who.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
      7  *
      8  * This traces Python activity from all Python programs on the system that are
      9  * running with Python provider support.
     10  *
     11  * USAGE: py_who.d 		# hit Ctrl-C to end
     12  *
     13  * FIELDS:
     14  *		PID		Process ID of Python
     15  *		UID		User ID of the owner
     16  *		FUNCS		Number of function calls
     17  *		FILE		Pathname of the Python program
     18  *
     19  * Filenames are printed if available.
     20  *
     21  * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
     22  *
     23  * CDDL HEADER START
     24  *
     25  *  The contents of this file are subject to the terms of the
     26  *  Common Development and Distribution License, Version 1.0 only
     27  *  (the "License").  You may not use this file except in compliance
     28  *  with the License.
     29  *
     30  *  You can obtain a copy of the license at Docs/cddl1.txt
     31  *  or http://www.opensolaris.org/os/licensing.
     32  *  See the License for the specific language governing permissions
     33  *  and limitations under the License.
     34  *
     35  * CDDL HEADER END
     36  *
     37  * 09-Sep-2007	Brendan Gregg	Created this.
     38  */
     39 
     40 #pragma D option quiet
     41 
     42 dtrace:::BEGIN
     43 {
     44 	printf("Tracing... Hit Ctrl-C to end.\n");
     45 }
     46 
     47 python*:::function-entry
     48 {
     49 	@lines[pid, uid, copyinstr(arg0)] = count();
     50 }
     51 
     52 dtrace:::END
     53 {
     54 	printf("   %6s %6s %6s %s\n", "PID", "UID", "FUNCS", "FILE");
     55 	printa("   %6d %6d %@6d %s\n", @lines);
     56 }
     57