private long calculateStartTime(EBPFProfilingTaskFixedTimeCreationRequest request) {
        return request.getStartTime() - TimeUnit.SECONDS.toMillis(request.getDuration());
    }
Create eBPF Profiling task with {@link EBPFProfilingTriggerType#FIXED_TIME}
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/profiling/ebpf/EBPFProfilingMutationService.java