github-advanced-security[bot] commented on code in PR #16472:
URL: https://github.com/apache/druid/pull/16472#discussion_r1619276888
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processing/src/main/java/org/apache/druid/java/util/metrics/CgroupCpuMonitor.java:
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@@ -20,28 +20,64 @@
package org.apache.druid.java.util.metrics;
import com.google.common.collect.ImmutableMap;
+import org.apache.druid.java.util.common.logger.Logger;
import org.apache.druid.java.util.emitter.service.ServiceEmitter;
import org.apache.druid.java.util.emitter.service.ServiceMetricEvent;
import org.apache.druid.java.util.metrics.cgroups.CgroupDiscoverer;
import org.apache.druid.java.util.metrics.cgroups.Cpu;
+import org.apache.druid.java.util.metrics.cgroups.ProcSelfCgroupDiscoverer;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
import java.util.Map;
public class CgroupCpuMonitor extends FeedDefiningMonitor
{
+ private static final Logger LOG = new Logger(CgroupCpuMonitor.class);
+ private static final Long DEFAULT_USER_HZ = 100L;
+ public static final String TOTAL_USAGE_METRIC =
"cgroup/cpu/usage/total/percentage";
+ public static final String USER_USAGE_METRIC =
"cgroup/cpu/usage/user/percentage";
+ public static final String SYS_USAGE_METRIC =
"cgroup/cpu/usage/sys/percentage";
+ private static final String TOTAL = "total";
+ private static final String USER = "user";
+ private static final String SYSTEM = "system";
final CgroupDiscoverer cgroupDiscoverer;
final Map<String, String[]> dimensions;
+ private Long userHz;
+ private KeyedDiff jiffies = new KeyedDiff();
+ private long prevJiffiesSnapshotAt = 0;
public CgroupCpuMonitor(CgroupDiscoverer cgroupDiscoverer, final Map<String,
String[]> dimensions, String feed)
{
super(feed);
this.cgroupDiscoverer = cgroupDiscoverer;
this.dimensions = dimensions;
+ try {
+ Process p = new ProcessBuilder("getconf", "CLK_TCK").start();
Review Comment:
## Executing a command with a relative path
Command with a relative path 'getconf' is executed.
[Show more
details](https://github.com/apache/druid/security/code-scanning/7424)
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