Function disabled_summary_is_empty

crates/kernel/src/perf.rs:376–385

()

  #[test]
  fn disabled_summary_is_empty() {
    // Default test environment doesn't set IX_PERF_COUNTERS, so summary()
    // should return an empty string regardless of recorded counts.
    let p = PerfCounters::default();
    p.record_whnf_hit();
    p.record_whnf_miss();
    if !enabled() {
      assert_eq!(p.summary(), "");
    }
  }

  #[test]
  fn rate_formatting_handles_zero_probes() {