j_calls.d revision 1
1N/A * j_calls.d - count Java calls (method/...) using DTrace. 1N/A * Written for the Java hotspot DTrace provider. 1N/A * $Id: j_calls.d 19 2007-09-12 07:47:59Z brendan $ 1N/A * This traces activity from all Java processes on the system with hotspot 1N/A * provider support (1.6.0). Method calls and object allocation are only 1N/A * visible when using the flag "+ExtendedDTraceProbes". eg, 1N/A * java -XX:+ExtendedDTraceProbes classfile 1N/A * USAGE: j_calls.d # hit Ctrl-C to end 1N/A * TYPE Type of call (see below) 1N/A * COUNT Number of calls during sample 1N/A * method method call 1N/A * mcompile method compile 1N/A * mload compiled method load 1N/A * oalloc object alloc 1N/A * thread thread start 1N/A * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 1N/A * The contents of this file are subject to the terms of the 1N/A * Common Development and Distribution License, Version 1.0 only 1N/A * (the "License"). You may not use this file except in compliance 1N/A * See the License for the specific language governing permissions 1N/A * and limitations under the License. 1N/A * 09-Sep-2007 Brendan Gregg Created this. 1N/A printf(
" %6s %-8s %-52s %8s\n",
"PID",
"TYPE",
"NAME",
"COUNT");