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| author | Daniel Gröber <dxld@darkboxed.org> | 2019-06-20 19:59:53 +0200 |
|---|---|---|
| committer | Daniel Gröber <dxld@darkboxed.org> | 2019-09-22 15:18:10 +0200 |
| commit | b92ed68a7c452685e21debec947b11520e70f8da (patch) | |
| tree | a7d58e9108323418410fc41320d8a78d1ca82f1c | |
| parent | 48e816f0d754120029ab65b90f3ff42827a8e907 (diff) | |
| download | haskell-b92ed68a7c452685e21debec947b11520e70f8da.tar.gz | |
rts: Add note reference to SET_PROF_HDR for profiling 'flip' bit
| -rw-r--r-- | includes/rts/storage/ClosureMacros.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/includes/rts/storage/ClosureMacros.h b/includes/rts/storage/ClosureMacros.h index 694320054a..a3873cc49d 100644 --- a/includes/rts/storage/ClosureMacros.h +++ b/includes/rts/storage/ClosureMacros.h @@ -126,6 +126,8 @@ INLINE_HEADER StgHalfWord GET_TAG(const StgClosure *con) retainer profiling code will just set 'rs' to NULL upon visiting a closure with an invalid 'flip' bit anyways. + See Note [Profiling heap traversal visited bit] for details. + [1]: Technically we should set 'rs' to `NULL | flip`. */ #define SET_PROF_HDR(c,ccs_) \ |