diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 6c955460d4..56082bf7f5 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -854,6 +854,18 @@ type p struct { // mark worker started. gcMarkWorkerStartTime int64 + // nextGCMarkWorker is the next mark worker to run. This may be set + // during start-the-world to assign a worker to this P. The P runs this + // worker on the next call to gcController.findRunnableGCWorker. If the + // P runs something else or stops, it must release this worker via + // gcController.releaseNextGCMarkWorker. + // + // See comment in gcBgMarkWorker about the lifetime of + // gcBgMarkWorkerNode. + // + // Only accessed by this P or during STW. + nextGCMarkWorker *gcBgMarkWorkerNode + // gcw is this P's GC work buffer cache. The work buffer is // filled by write barriers, drained by mutator assists, and // disposed on certain GC state transitions. @@ -1425,9 +1437,9 @@ var ( // must be set. An idle P (passed to pidleput) cannot add new timers while // idle, so if it has no timers at that time, its mask may be cleared. // - // Thus, we get the following effects on timer-stealing in findrunnable: + // Thus, we get the following effects on timer-stealing in findRunnable: // - // - Idle Ps with no timers when they go idle are never checked in findrunnable + // - Idle Ps with no timers when they go idle are never checked in findRunnable // (for work- or timer-stealing; this is the ideal case). // - Running Ps must always be checked. // - Idle Ps whose timers are stolen must continue to be checked until they run |