diff options
Diffstat (limited to 'src/runtime/mgc.go')
| -rw-r--r-- | src/runtime/mgc.go | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index 185d3201ca..7c7239beb8 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -302,9 +302,11 @@ const ( // gcMarkWorkerFractionalMode indicates that a P is currently // running the "fractional" mark worker. The fractional worker // is necessary when GOMAXPROCS*gcBackgroundUtilization is not - // an integer. The fractional worker should run until it is - // preempted and will be scheduled to pick up the fractional - // part of GOMAXPROCS*gcBackgroundUtilization. + // an integer and using only dedicated workers would result in + // utilization too far from the target of gcBackgroundUtilization. + // The fractional worker should run until it is preempted and + // will be scheduled to pick up the fractional part of + // GOMAXPROCS*gcBackgroundUtilization. gcMarkWorkerFractionalMode // gcMarkWorkerIdleMode indicates that a P is running the mark |