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db-analyser: only print microsecond timestamps #1170

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Merged
merged 1 commit into from
Jun 28, 2024
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db-analyser: only print microsecond timestamps #1170

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3 changes: 2 additions & 1 deletion ouroboros-consensus-cardano/src/unstable-cardano-tools/Cardano/Tools/DBAnalyser/Run.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ import Ouroboros.Consensus.Util.IOLike
import Ouroboros.Consensus.Util.Orphans ()
import Ouroboros.Consensus.Util.ResourceRegistry
import System.IO
import Text.Printf (printf)


{-------------------------------------------------------------------------------
Expand Down Expand Up @@ -132,7 +133,7 @@ analyse DBAnalyserConfig{analysis, confLimit, dbDir, selectDB, validation, verbo
return $ Tracer $ \ev -> withLock $ do
traceTime <- getMonotonicTime
let diff = diffTime traceTime startTime
hPutStrLn stderr $ concat ["[", show diff, "] ", show ev]
hPutStrLn stderr $ printf "[%.6fs] %s" (realToFrac diff :: Double) (show ev)
hFlush stderr
where
withLock = bracket_ (takeMVar lock) (putMVar lock ())
Expand Down