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/*
* Copyright 2020-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.driver.unix.aix;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.ExecutingCommand;
import oshi.util.ParseUtil;
import oshi.util.tuples.Pair;
/**
* Utility to query lssrad
*/
@ThreadSafe
public final class Lssrad {
private Lssrad() {
}
/**
* Query {@code lssrad} to get numa node and physical package info
*
* @return A map of processor number to a pair containing the ref (NUMA equivalent) and srad (package)
*/
public static Map> queryNodesPackages() {
/*-
# lssrad -av
REF1 SRAD MEM CPU
0
0 32749.12 0-63
1 9462.00 64-67 72-75
80-83 88-91
1
2 2471.19 92-95
2
3 1992.00
4 249.00
*/
int node = 0;
int slot = 0;
Map> nodeMap = new HashMap<>();
List lssrad = ExecutingCommand.runNative("lssrad -av");
// remove header
if (!lssrad.isEmpty()) {
lssrad.remove(0);
}
for (String s : lssrad) {
String t = s.trim();
if (!t.isEmpty()) {
if (Character.isDigit(s.charAt(0))) {
node = ParseUtil.parseIntOrDefault(t, 0);
} else {
if (t.contains(".")) {
String[] split = ParseUtil.whitespaces.split(t, 3);
slot = ParseUtil.parseIntOrDefault(split[0], 0);
t = split.length > 2 ? split[2] : "";
}
for (Integer proc : ParseUtil.parseHyphenatedIntList(t)) {
nodeMap.put(proc, new Pair<>(node, slot));
}
}
}
}
return nodeMap;
}
}