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/**
* MIT License
*
* Copyright (c) 2010 - 2020 The OSHI Project Contributors: https://github.com/oshi/oshi/graphs/contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package oshi.driver.windows.perfmon;
import java.util.List;
import java.util.Map;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.platform.windows.PerfCounterQuery;
import oshi.util.platform.windows.PerfCounterWildcardQuery;
import oshi.util.platform.windows.PerfCounterWildcardQuery.PdhCounterWildcardProperty;
import oshi.util.tuples.Pair;
/**
* Utility to query Thread Information performance counter
*/
@ThreadSafe
public final class ThreadInformation {
private static final String THREAD = "Thread";
private static final String WIN32_PERF_RAW_DATA_PERF_PROC_THREAD = "Win32_PerfRawData_PerfProc_Thread WHERE NOT Name LIKE \"%_Total\"";
/**
* Thread performance counters
*/
public enum ThreadPerformanceProperty implements PdhCounterWildcardProperty {
// First element defines WMI instance name field and PDH instance filter
NAME(PerfCounterQuery.NOT_TOTAL_INSTANCES),
// Remaining elements define counters
PERCENTUSERTIME("% User Time"), //
PERCENTPRIVILEGEDTIME("% Privileged Time"), //
ELAPSEDTIME("Elapsed Time"), //
PRIORITYCURRENT("Priority Current"), //
STARTADDRESS("Start Address"), //
THREADSTATE("Thread State"), //
IDPROCESS("ID Process"), //
IDTHREAD("ID Thread"), //
CONTEXTSWITCHESPERSEC("Context Switches/sec");
private final String counter;
ThreadPerformanceProperty(String counter) {
this.counter = counter;
}
@Override
public String getCounter() {
return counter;
}
}
private ThreadInformation() {
}
/**
* Returns thread counters.
*
* @return Thread counters for each thread.
*/
public static Pair, Map>> queryThreadCounters() {
return PerfCounterWildcardQuery.queryInstancesAndValues(ThreadPerformanceProperty.class, THREAD,
WIN32_PERF_RAW_DATA_PERF_PROC_THREAD);
}
}
