diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/testdata/testprog/schedmetrics.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/runtime/testdata/testprog/schedmetrics.go b/src/runtime/testdata/testprog/schedmetrics.go index 8e8abc4484..7fad95a976 100644 --- a/src/runtime/testdata/testprog/schedmetrics.go +++ b/src/runtime/testdata/testprog/schedmetrics.go @@ -91,8 +91,10 @@ func SchedMetrics() { // threads through frequent scheduling, like mayMoreStackPreempt. // A slack of 5 is arbitrary but appears to be enough to cover // the leftovers plus any inflation from scheduling-heavy build - // modes. - const threadsSlack = 5 + // modes. We then also add initialGMP to this slack, since we're + // about to call runtime.GC, and in the worst case this will + // spin up GOMAXPROCS new threads to run those workers. + threadsSlack := 5 + uint64(initialGMP) // Make sure GC isn't running, since GC workers interfere with // expected counts. |