2362N/A * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * Redistribution and use in source and binary forms, with or without 0N/A * modification, are permitted provided that the following conditions 0N/A * - Redistributions of source code must retain the above copyright 0N/A * notice, this list of conditions and the following disclaimer. 0N/A * - Redistributions in binary form must reproduce the above copyright 0N/A * notice, this list of conditions and the following disclaimer in the 0N/A * documentation and/or other materials provided with the distribution. 2362N/A * - Neither the name of Oracle nor the names of its 0N/A * contributors may be used to endorse or promote products derived 0N/A * from this software without specific prior written permission. 0N/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 0N/A * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 0N/A * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 0N/A * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 0N/A * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 0N/A * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 0N/A * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 0N/A * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 0N/A * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 0N/A * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 0N/A * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0N/A * 1. gc_time_stat.d -c "java ..." INTERVAL_SECS 0N/A * 2. gc_time_stat.d -p JAVA_PID INTERVAL_SECS 0N/A * This script measures the duration of a time spent in GC. The duration is 0N/A * measured for every memory pool every INTERVAL_SECS seconds. If 0N/A * INTERVAL_SECS is not set then 10 seconds interval is used. 0N/A LINE_SEP =
"--------------------------------------------------------";
0N/A * hotspot:::gc-begin 0N/A * arg0: uintptr_t, boolean value which indicates 0N/A * if this is to be a full GC or not 0N/A printf(
"%20s | %-20s | %10s\n",
"manager",
"pool",
"time (ms)");
0N/A * hotspot:::mem-pool-gc-begin, hotspot:::mem-pool-gc-end 0N/A * arg0: char*, a pointer to mUTF-8 string data which contains the name 0N/A * of the manager which manages this memory pool 0N/A * arg1: uintptr_t, the length of the manager name (in bytes 0N/A * arg2: char*, a pointer to mUTF-8 string data which contains the name 0N/A * of the memory pool 0N/A * arg3: uintptr_t, the length of the memory pool name (in bytes) 0N/A * arg4: uintptr_t, the initial size of the memory pool (in bytes) 0N/A * arg5: uintptr_t, the amount of memory in use in the memory pool 0N/A * arg6: uintptr_t, the the number of committed pages in the memory pool 0N/A * arg7: uintptr_t, the the maximum size of the memory pool 0N/A printf(
"%20s | %-20s | %10s\n",
"manager",
"pool",
"total time");
0N/A printf(
"%20s | %-20s | %10s\n",
"manager",
"pool",
"# of calls");
0N/A printf(
"%20s | %-20s | %10s\n",
"manager",
"pool",
"total time");
0N/A printf(
"%20s | %-20s | %10s\n",
"manager",
"pool",
"# of calls");