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| author | Austin Clements <austin@google.com> | 2018-11-19 10:36:45 -0500 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2018-11-21 16:20:19 +0000 |
| commit | b8fad4b33d20224f2965a1e9cdbd931fda0ed636 (patch) | |
| tree | 2cf2bdb4057f2eb2a389871e4bd7060068039486 /src/runtime/mgc.go | |
| parent | 4a8ce14af9941e3efbeb88b564bde76cc0b2e121 (diff) | |
| download | go-git-b8fad4b33d20224f2965a1e9cdbd931fda0ed636.tar.gz | |
runtime: improve "P has cached GC work" debug info
For #27993.
Change-Id: I20127e8a9844c2c488f38e1ab1f8f5a27a5df03e
Reviewed-on: https://go-review.googlesource.com/c/149968
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/runtime/mgc.go')
| -rw-r--r-- | src/runtime/mgc.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index 2c7dd85b24..d4e5d055de 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -1934,6 +1934,19 @@ func gcMark(start_time int64) { gcw := &p.gcw if !gcw.empty() { + printlock() + print("runtime: P ", p.id, " flushedWork ", gcw.flushedWork) + if gcw.wbuf1 == nil { + print(" wbuf1=<nil>") + } else { + print(" wbuf1.n=", gcw.wbuf1.nobj) + } + if gcw.wbuf2 == nil { + print(" wbuf2=<nil>") + } else { + print(" wbuf2.n=", gcw.wbuf2.nobj) + } + print("\n") throw("P has cached GC work at end of mark termination") } // There may still be cached empty buffers, which we |