diff options
Diffstat (limited to 'compiler/GHC/Utils/Error.hs')
| -rw-r--r-- | compiler/GHC/Utils/Error.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/Utils/Error.hs b/compiler/GHC/Utils/Error.hs index c2b708b56a..93cc3ff7c4 100644 --- a/compiler/GHC/Utils/Error.hs +++ b/compiler/GHC/Utils/Error.hs @@ -533,7 +533,7 @@ To actually produce the eventlog, you need an eventlog-capable GHC build: $ hadrian/build -j "stage1.ghc-bin.ghc.link.opts += -eventlog" With Make: - $ make -j GhcStage2HcOpts+=-eventlog + $ make -j GhcStage1HcOpts+=-eventlog You can then produce an eventlog when compiling say hello.hs by simply doing: @@ -542,7 +542,7 @@ doing: $ _build/stage1/bin/ghc -ddump-timings hello.hs -o hello +RTS -l If GHC was built with Make: - $ inplace/bin/ghc-stage2 -ddump-timing hello.hs -o hello +RTS -l + $ inplace/bin/ghc-stage1 -ddump-timing hello.hs -o hello +RTS -l You could alternatively use -v<N> (with N >= 2) instead of -ddump-timings, to ask GHC to report timings (on stderr and the eventlog). |