1235368Sgnn#!/usr/sbin/dtrace -Zs 2235368Sgnn/* 3235368Sgnn * py_flowinfo.d - snoop Python function flow with info using DTrace. 4235368Sgnn * Written for the Python DTrace provider. 5235368Sgnn * 6235368Sgnn * $Id: py_flowinfo.d 41 2007-09-17 02:20:10Z brendan $ 7235368Sgnn * 8235368Sgnn * This traces activity from all Python programs on the system that are 9235368Sgnn * running with Python provider support. 10235368Sgnn * 11235368Sgnn * USAGE: py_flowinfo.d # hit Ctrl-C to end 12235368Sgnn * 13235368Sgnn * FIELDS: 14235368Sgnn * C CPU-id 15235368Sgnn * PID Process ID 16235368Sgnn * DELTA(us) Elapsed time from previous line to this line 17235368Sgnn * FILE Filename of the Python program 18235368Sgnn * LINE Line number of filename 19235368Sgnn * TYPE Type of call (func) 20235368Sgnn * FUNC Python function 21235368Sgnn * 22235368Sgnn * LEGEND: 23235368Sgnn * -> function entry 24235368Sgnn * <- function return 25235368Sgnn * 26235368Sgnn * Filename and function names are printed if available. 27235368Sgnn * 28235368Sgnn * WARNING: Watch the first column carefully, it prints the CPU-id. If it 29235368Sgnn * changes, then it is very likely that the output has been shuffled. 30235368Sgnn * 31235368Sgnn * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 32235368Sgnn * 33235368Sgnn * CDDL HEADER START 34235368Sgnn * 35235368Sgnn * The contents of this file are subject to the terms of the 36235368Sgnn * Common Development and Distribution License, Version 1.0 only 37235368Sgnn * (the "License"). You may not use this file except in compliance 38235368Sgnn * with the License. 39235368Sgnn * 40235368Sgnn * You can obtain a copy of the license at Docs/cddl1.txt 41235368Sgnn * or http://www.opensolaris.org/os/licensing. 42235368Sgnn * See the License for the specific language governing permissions 43235368Sgnn * and limitations under the License. 44235368Sgnn * 45235368Sgnn * CDDL HEADER END 46235368Sgnn * 47235368Sgnn * 09-Sep-2007 Brendan Gregg Created this. 48235368Sgnn */ 49235368Sgnn 50235368Sgnn#pragma D option quiet 51235368Sgnn#pragma D option switchrate=10 52235368Sgnn 53235368Sgnnself int depth; 54235368Sgnn 55235368Sgnndtrace:::BEGIN 56235368Sgnn{ 57235368Sgnn printf("%s %6s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "DELTA(us)", 58235368Sgnn "FILE", "LINE", "TYPE", "FUNC"); 59235368Sgnn} 60235368Sgnn 61235368Sgnnpython*:::function-entry, 62235368Sgnnpython*:::function-return 63235368Sgnn/self->last == 0/ 64235368Sgnn{ 65235368Sgnn self->last = timestamp; 66235368Sgnn} 67235368Sgnn 68235368Sgnnpython*:::function-entry 69235368Sgnn{ 70235368Sgnn this->delta = (timestamp - self->last) / 1000; 71235368Sgnn printf("%d %6d %10d %16s:%-4d %-8s %*s-> %s\n", cpu, pid, this->delta, 72235368Sgnn basename(copyinstr(arg0)), arg2, "func", self->depth * 2, "", 73235368Sgnn copyinstr(arg1)); 74235368Sgnn self->depth++; 75235368Sgnn self->last = timestamp; 76235368Sgnn} 77235368Sgnn 78235368Sgnnpython*:::function-return 79235368Sgnn{ 80235368Sgnn this->delta = (timestamp - self->last) / 1000; 81235368Sgnn self->depth -= self->depth > 0 ? 1 : 0; 82235368Sgnn printf("%d %6d %10d %16s:%-4d %-8s %*s<- %s\n", cpu, pid, this->delta, 83235368Sgnn basename(copyinstr(arg0)), arg2, "func", self->depth * 2, "", 84235368Sgnn copyinstr(arg1)); 85235368Sgnn self->last = timestamp; 86235368Sgnn} 87