From 4ad64cadf8a5d1b57c8af4ae146d83cd0ea97cae Mon Sep 17 00:00:00 2001 From: Austin Clements Date: Fri, 11 Dec 2015 17:50:22 -0500 Subject: [PATCH] runtime: trace sweep completion in gcpacertrace mode Change-Id: I7991612e4d064c15492a39c19f753df1db926203 Reviewed-on: https://go-review.googlesource.com/17747 Run-TryBot: Austin Clements Reviewed-by: Russ Cox --- src/runtime/mgcsweep.go | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/runtime/mgcsweep.go b/src/runtime/mgcsweep.go index 2cf6def338..b00ceb0a8a 100644 --- a/src/runtime/mgcsweep.go +++ b/src/runtime/mgcsweep.go @@ -95,6 +95,9 @@ func sweepone() uintptr { if idx >= uint32(len(work.spans)) { mheap_.sweepdone = 1 _g_.m.locks-- + if debug.gcpacertrace > 0 && idx == uint32(len(work.spans)) { + print("pacer: sweep done at heap size ", memstats.heap_live>>20, "MB; allocated ", mheap_.spanBytesAlloc>>20, "MB of spans; swept ", mheap_.pagesSwept, " pages\n") + } return ^uintptr(0) } s := work.spans[idx] -- 2.50.0