src/main/java/org/opensearch/performanceanalyzer/os/ThreadCPU.java [152:175]:
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            tids = OSGlobals.getTids();
        } catch (Exception e) {
            LOGGER.error(
                    (Supplier<?>)
                            () ->
                                    new ParameterizedMessage(
                                            "Error In Initializing ThreadCPU: {}", e.toString()),
                    e);
        }
    }

    public synchronized void addSample() {
        tids = OSGlobals.getTids();

        oldtidKVMap.clear();
        oldtidKVMap.putAll(tidKVMap);

        tidKVMap.clear();
        oldkvTimestamp = kvTimestamp;
        kvTimestamp = System.currentTimeMillis();
        for (String tid : tids) {
            Map<String, Object> sample =
                    // (new SchemaFileParser("/proc/"+tid+"/stat",
                    (new SchemaFileParser(
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src/main/java/org/opensearch/performanceanalyzer/os/ThreadSched.java [87:109]:
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            tids = OSGlobals.getTids();
        } catch (Exception e) {
            LOGGER.error(
                    (Supplier<?>)
                            () ->
                                    new ParameterizedMessage(
                                            "Error In Initializing ThreadCPU: {}", e.toString()),
                    e);
        }
    }

    public synchronized void addSample() {
        tids = OSGlobals.getTids();

        oldtidKVMap.clear();
        oldtidKVMap.putAll(tidKVMap);

        tidKVMap.clear();
        oldkvTimestamp = kvTimestamp;
        kvTimestamp = System.currentTimeMillis();
        for (String tid : tids) {
            Map<String, Object> sample =
                    (new SchemaFileParser(
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