sahildevgon commented on code in PR #60777:
URL: https://github.com/apache/doris/pull/60777#discussion_r2945857783
##########
fe/fe-core/src/main/java/org/apache/doris/metric/SystemMetrics.java:
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@@ -145,4 +209,140 @@ private void updateMemoryMetrics() {
}
}
+ private void updateCpuMetrics() {
+ String procFile = "/proc/stat";
+ if (FeConstants.runningUnitTest) {
+ procFile =
getClass().getClassLoader().getResource(cpuStatTestFile).getFile();
+ }
+
+ try (FileReader fileReader = new FileReader(procFile);
+ BufferedReader br = new BufferedReader(fileReader)) {
+ String line;
+ boolean cpuLineFound = false;
+
+ // Store previous values for delta calculation
+ long prevTotal = prevCpuUser + prevCpuNice + prevCpuSystem +
prevCpuIdle
+ + prevCpuIowait + prevCpuIrq + prevCpuSoftirq +
prevCpuSteal;
+
+ while ((line = br.readLine()) != null) {
+ if (line.startsWith("cpu ")) { // Overall CPU stats (not
per-core)
+ cpuLineFound = true;
+ String[] parts = WHITESPACE.split(line);
Review Comment:
Added an else clause
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