oracle/graal · error

Error: out of memory for counts

Error message

Error: out of memory for counts

What it means

Error "Error: out of memory for counts " thrown in oracle/graal.

Source

Thrown at compiler/src/org.graalvm.papibridge/src/papibridge.c:152

/**
 * Stops the measurements for the specified PAPI event set and returns the counts.
 *
 * @param env The JNI environment.
 * @param cls The Java class that this native method belongs to.
 * @param eventset The handle of the event set to be stopped.
 *
 * @return A Java long array containing the event counts, or NULL if an error occurs.
 */
JNIEXPORT jlongArray JNICALL Java_jdk_graal_compiler_hotspot_replaycomp_HardwarePerformanceCounters_stop(JNIEnv *env, jclass cls, jint eventset) {
    int numberOfEvents = 0;
    int retval = PAPI_list_events(eventset, NULL, &numberOfEvents);
    if (retval != PAPI_OK || numberOfEvents <= 0) {
        fprintf(stderr, "Error: unable to retrieve event count for event set %d: %s\n", eventset, PAPI_strerror(retval));
        return NULL;
    }
    long long *counts = (long long *) malloc(numberOfEvents * sizeof(long long));
    if (counts == NULL) {
        fprintf(stderr, "Error: out of memory for counts\n");
        return NULL;
    }
    retval = PAPI_stop(eventset, counts);
    if (retval != PAPI_OK) {
        fprintf(stderr, "Error stopping measurements for event set %d: %s\n", eventset, PAPI_strerror(retval));
        free(counts);
        return NULL;
    }
    jlongArray result = (*env)->NewLongArray(env, numberOfEvents);
    if (result == NULL) {
        fprintf(stderr, "Error: could not allocate Java long array\n");
        free(counts);
        return NULL;
    }
    (*env)->SetLongArrayRegion(env, result, 0, numberOfEvents, (jlong *) counts);
    free(counts);
    return result;
}

View on GitHub (pinned to a66e9ccd1d)

Solutions

1. Fix the condition reported by the error: Error: out of memory for counts
2. Check the throwing call site and ensure its documented preconditions (argument values, types, environment, or configuration) are satisfied before the call.

Example fix

Validate inputs and environment so that the failing condition does not occur: Error: out of memory for counts

When it happens

Trigger: Thrown at compiler/src/org.graalvm.papibridge/src/papibridge.c:152 when the library encounters an invalid state.

Common situations: Occurs when a caller violates the contract guarded by this check: Error: out of memory for counts

AI-assisted analysis of oracle/graal@a66e9ccd1d (2026-08-14). Data as JSON: /api/errors/5eb6f35917212e9a. Report an issue: GitHub.