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      1 #!/usr/sbin/dtrace -Zs
      2 /*
      3  * py_funccalls.d - measure Python function calls using DTrace.
      4  *                  Written for the Python DTrace provider.
      5  *
      6  * $Id: py_funccalls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
      7  *
      8  * This traces Python activity from all running programs on the system
      9  * which support the Python DTrace provider.
     10  *
     11  * USAGE: py_funccalls.d 		# hit Ctrl-C to end
     12  *
     13  * FIELDS:
     14  *              FILE		Filename that contained the function
     15  *		FUNC		Python function name
     16  *		CALLS		Function calls during this sample
     17  *
     18  * Filename and function names are printed if available.
     19  *
     20  * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
     21  *
     22  * CDDL HEADER START
     23  *
     24  *  The contents of this file are subject to the terms of the
     25  *  Common Development and Distribution License, Version 1.0 only
     26  *  (the "License").  You may not use this file except in compliance
     27  *  with the License.
     28  *
     29  *  You can obtain a copy of the license at Docs/cddl1.txt
     30  *  or http://www.opensolaris.org/os/licensing.
     31  *  See the License for the specific language governing permissions
     32  *  and limitations under the License.
     33  *
     34  * CDDL HEADER END
     35  *
     36  * 09-Sep-2007	Brendan Gregg	Created this.
     37  */
     38 
     39 #pragma D option quiet
     40 
     41 dtrace:::BEGIN
     42 {
     43 	printf("Tracing... Hit Ctrl-C to end.\n");
     44 }
     45 
     46 python*:::function-entry
     47 {
     48 	@funcs[basename(copyinstr(arg0)), copyinstr(arg1)] = count();
     49 }
     50 
     51 dtrace:::END
     52 {
     53 	printf(" %-32s %-32s %8s\n", "FILE", "FUNC", "CALLS");
     54 	printa(" %-32s %-32s %@8d\n", @funcs);
     55 }
     56