coderzc commented on code in PR #16832:
URL: https://github.com/apache/pulsar/pull/16832#discussion_r1180389710
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/LinuxInfoUtils.java:
##########
@@ -98,11 +138,14 @@ public static double getTotalCpuLimit(boolean
isCGroupsEnabled) {
* Get CGroup cpu usage.
* @return Cpu usage
*/
- public static double getCpuUsageForCGroup() {
+ public static long getCpuUsageForCGroup() {
try {
+ if (metrics != null && getCpuUsageMethod != null) {
+ return (long) getCpuUsageMethod.invoke(metrics);
Review Comment:
The `Metrics.getCpuUsage` will return the aggregate time, so I think we
don't need to multiply the limit.
```
/**
* Returns the aggregate time, in nanoseconds, consumed by all
* tasks in the Isolation Group.
*
* @return Time in nanoseconds, -1 if unknown or
* -2 if the metric is not supported.
*
*/
public long getCpuUsage();
```
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/LinuxInfoUtils.java:
##########
@@ -98,11 +138,14 @@ public static double getTotalCpuLimit(boolean
isCGroupsEnabled) {
* Get CGroup cpu usage.
* @return Cpu usage
*/
- public static double getCpuUsageForCGroup() {
+ public static long getCpuUsageForCGroup() {
try {
+ if (metrics != null && getCpuUsageMethod != null) {
+ return (long) getCpuUsageMethod.invoke(metrics);
Review Comment:
The `Metrics.getCpuUsage` will return the aggregate time, so I think we
don't need to multiply the limit.
```java
/**
* Returns the aggregate time, in nanoseconds, consumed by all
* tasks in the Isolation Group.
*
* @return Time in nanoseconds, -1 if unknown or
* -2 if the metric is not supported.
*
*/
public long getCpuUsage();
```
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