1 #!/usr/sbin/dtrace -Zs 2 /* 3 * py_cputime.d - measure Python on-CPU times for functions. 4 * Written for the Python DTrace provider. 5 * 6 * $Id: py_cputime.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7 * 8 * This traces Python activity from all programs running on the system with 9 * Python provider support. 10 * 11 * USAGE: py_cputime.d # hit Ctrl-C to end 12 * 13 * FIELDS: 14 * FILE Filename of the Python program 15 * TYPE Type of call (func/total) 16 * NAME Name of call (function name) 17 * TOTAL Total on-CPU time for calls (us) 18 * 19 * Filename and function names 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 self->depth++; 50 self->exclude[self->depth] = 0; 51 self->function[self->depth] = vtimestamp; 52 } 53 54 python*:::function-return 55 /self->function[self->depth]/ 56 { 57 this->oncpu_incl = vtimestamp - self->function[self->depth]; 58 this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth]; 59 self->function[self->depth] = 0; 60 self->exclude[self->depth] = 0; 61 this->file = basename(copyinstr(arg0)); 62 this->name = copyinstr(arg1); 63 64 @num[this->file, "func", this->name] = count(); 65 @num["-", "total", "-"] = count(); 66 @types_incl[this->file, "func", this->name] = sum(this->oncpu_incl); 67 @types_excl[this->file, "func", this->name] = sum(this->oncpu_excl); 68 @types_excl["-", "total", "-"] = sum(this->oncpu_excl); 69 70 self->depth--; 71 self->exclude[self->depth] += this->oncpu_incl; 72 } 73 74 dtrace:::END 75 { 76 printf("\nCount,\n"); 77 printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); 78 printa(" %-20s %-10s %-32s %@8d\n", @num); 79 80 normalize(@types_excl, 1000); 81 printf("\nExclusive function on-CPU times (us),\n"); 82 printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); 83 printa(" %-20s %-10s %-32s %@8d\n", @types_excl); 84 85 normalize(@types_incl, 1000); 86 printf("\nInclusive function on-CPU times (us),\n"); 87 printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); 88 printa(" %-20s %-10s %-32s %@8d\n", @types_incl); 89 } 90