--- /dev/null
+-- -----------------------------------------------------------------------------
+-- $Id: CPUTime.hsc,v 1.1 2001/05/08 08:55:17 simonmar Exp $
+--
+-- (c) The University of Glasgow, 1995-2001
+--
+
+module CPUTime
+ (
+ getCPUTime, -- :: IO Integer
+ cpuTimePrecision -- :: Integer
+ ) where
+
+import PrelMarshalAlloc
+import PrelCTypesISO
+import PrelCTypes
+import PrelStorable
+import PrelPtr
+
+import PrelBase ( Int(..) )
+import PrelByteArr ( ByteArray(..), newIntArray )
+import PrelArrExtra ( unsafeFreezeByteArray )
+import PrelIOBase ( IOException(..),
+ IOErrorType( UnsupportedOperation ),
+ unsafePerformIO, stToIO, ioException )
+import Ratio
+
+#include "config.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifndef mingw32_TARGET_OS
+# ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+# endif
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#if !defined(mingw32_TARGET_OS) && !defined(irix_TARGET_OS)
+# if defined(HAVE_SYS_RESOURCE_H)
+# include <sys/resource.h>
+# endif
+#endif
+
+#ifdef hpux_TARGET_OS
+#include <sys/syscall.h>
+#define getrusage(a, b) syscall(SYS_GETRUSAGE, a, b)
+#define HAVE_GETRUSAGE
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
+
+-- -----------------------------------------------------------------------------
+-- Computation `getCPUTime' returns the number of picoseconds CPU time
+-- used by the current program. The precision of this result is
+-- implementation-dependent.
+
+-- The `cpuTimePrecision' constant is the smallest measurable difference
+-- in CPU time that the implementation can record, and is given as an
+-- integral number of picoseconds.
+
+getCPUTime :: IO Integer
+getCPUTime = do
+
+#ifndef _WIN32
+-- getrusage() is right royal pain to deal with when targetting multiple
+-- versions of Solaris, since some versions supply it in libc (2.3 and 2.5),
+-- while 2.4 has got it in libucb (I wouldn't be too surprised if it was back
+-- again in libucb in 2.6..)
+--
+-- Avoid the problem by resorting to times() instead.
+--
+#if defined(HAVE_GETRUSAGE) && ! irix_TARGET_OS && ! solaris2_TARGET_OS
+ allocaBytes (#const sizeof(struct rusage)) $ \ p_rusage -> do
+ getrusage (#const RUSAGE_SELF) p_rusage
+
+ let ru_utime = (#ptr struct rusage, ru_utime) p_rusage
+ let ru_stime = (#ptr struct rusage, ru_stime) p_rusage
+ u_sec <- (#peek struct timeval,tv_sec) ru_utime :: IO CLong
+ u_usec <- (#peek struct timeval,tv_usec) ru_utime :: IO CLong
+ s_sec <- (#peek struct timeval,tv_sec) ru_stime :: IO CLong
+ s_usec <- (#peek struct timeval,tv_usec) ru_stime :: IO CLong
+
+ return ((fromIntegral u_sec * 1000000 + fromIntegral u_usec +
+ fromIntegral s_sec * 1000000 + fromIntegral s_usec)
+ * 1000000)
+#else
+# if defined(HAVE_TIMES)
+ allocaBytes (#const sizeof(struct tms)) $ \ p_tms ->
+ times p_tms
+ u_ticks <- (#peek struct tms,tms_utime) p_tms :: IO CClock
+ s_ticks <- (#peek struct tms,tms_stime) p_tms :: IO CClock
+ return (( (fromIntegral u_ticks + fromIntegral s_ticks) * 1000000000000)
+ `div` clockTicks)
+# else
+ ioException (IOError Nothing UnsupportedOperation
+ "getCPUTime"
+ "can't get CPU time"
+ Nothing)
+# endif
+#endif
+
+#else /* _WIN32 */
+
+#error ToDo!!!
+
+#ifdef _WIN32
+/* 100ns units per sec, really */
+#define NS_PER_SEC 10000000LL
+#define FT2usecs(ll,ft) \
+ (ll)=(ft).dwHighDateTime; \
+ (ll) <<= 32; \
+ (ll) |= (ft).dwLowDateTime;
+
+#endif
+
+/* cygwin32 or mingw32 version */
+StgInt
+getCPUTime(StgByteArray cpuStruct)
+{
+ FILETIME creationTime, exitTime, kernelTime, userTime;
+ StgInt *cpu=(StgInt *)cpuStruct;
+ unsigned long long uT, kT;
+
+ /* ToDo: pin down elapsed times to just the OS thread(s) that
+ are evaluating/managing Haskell code.
+ */
+ if (!GetProcessTimes (GetCurrentProcess(), &creationTime,
+ &exitTime, &kernelTime, &userTime)) {
+ /* Probably on a Win95 box..*/
+ cpu[0]=0;
+ cpu[1]=0;
+ cpu[2]=0;
+ cpu[3]=0;
+ return 1;
+ }
+
+ FT2usecs(uT, userTime);
+ FT2usecs(kT, kernelTime);
+
+ cpu[0] = (unsigned int)(uT / NS_PER_SEC);
+ cpu[1] = (unsigned int)((uT - cpu[0] * NS_PER_SEC) * 100);
+ cpu[2] = (unsigned int)(kT / NS_PER_SEC);
+ cpu[3] = (unsigned int)((kT - cpu[2] * NS_PER_SEC) * 100);
+ return 1;
+}
+#endif /* WIN32 */
+
+cpuTimePrecision :: Integer
+cpuTimePrecision = round ((1000000000000::Integer) % fromIntegral (clockTicks))
+
+clockTicks :: Int
+clockTicks =
+#if defined(CLK_TCK)
+ (#const CLK_TCK)
+#else
+ unsafePerformIO (sysconf (#const _SC_CLK_TCK) >>= return . fromIntegral)
+#endif
+
+type CRUsage = ()
+foreign import unsafe getrusage :: CInt -> Ptr CRUsage -> IO CInt
+foreign import unsafe sysconf :: CInt -> IO CLong
+++ /dev/null
-% -----------------------------------------------------------------------------
-% $Id: CPUTime.lhs,v 1.29 2001/02/22 16:48:24 qrczak Exp $
-%
-% (c) The University of Glasgow, 1995-2000
-%
-\section[CPUTime]{Haskell 98 CPU Time Library}
-
-\begin{code}
-{-# OPTIONS -#include "cbits/stgio.h" #-}
-
-module CPUTime
- (
- getCPUTime, -- :: IO Integer
- cpuTimePrecision -- :: Integer
- ) where
-\end{code}
-
-
-#ifndef __HUGS__
-
-\begin{code}
-import Prelude -- To generate the dependency
-import PrelGHC ( indexIntArray# )
-import PrelBase ( Int(..) )
-import PrelByteArr ( ByteArray(..), newIntArray )
-import PrelArrExtra ( unsafeFreezeByteArray )
-import PrelIOBase ( IOException(..),
- IOErrorType( UnsupportedOperation ),
- unsafePerformIO, stToIO, ioException )
-import Ratio
-\end{code}
-
-Computation @getCPUTime@ returns the number of picoseconds CPU time
-used by the current program. The precision of this result is
-implementation-dependent.
-
-The @cpuTimePrecision@ constant is the smallest measurable difference
-in CPU time that the implementation can record, and is given as an
-integral number of picoseconds.
-
-\begin{code}
-getCPUTime :: IO Integer
-getCPUTime = do
- marr <- stToIO (newIntArray ((0::Int),3))
- barr <- stToIO (unsafeFreezeByteArray marr)
- rc <- primGetCPUTime barr
- if rc /= 0 then
- case barr of
- ByteArray _ _ frozen# -> -- avoid bounds checking
- return ((fromIntegral (I# (indexIntArray# frozen# 0#)) * 1000000000 +
- fromIntegral (I# (indexIntArray# frozen# 1#)) +
- fromIntegral (I# (indexIntArray# frozen# 2#)) * 1000000000 +
- fromIntegral (I# (indexIntArray# frozen# 3#))) * 1000)
- else
- ioException (IOError Nothing UnsupportedOperation
- "getCPUTime"
- "can't get CPU time"
- Nothing)
-
-cpuTimePrecision :: Integer
-cpuTimePrecision = round ((1000000000000::Integer) %
- fromIntegral (unsafePerformIO clockTicks))
-
-foreign import "libHS_cbits" "getCPUTime" unsafe primGetCPUTime :: ByteArray Int -> IO Int
-foreign import "libHS_cbits" "clockTicks" unsafe clockTicks :: IO Int
-
-\end{code}
-
-#else
-
-\begin{code}
-import PrelPrim ( nh_getCPUtime
- , nh_getCPUprec
- , unsafePerformIO
- )
-
-getCPUTime :: IO Integer
-getCPUTime
- = do seconds <- nh_getCPUtime
- return (round (seconds * 1.0e+12))
-
-cpuTimePrecision :: Integer
-cpuTimePrecision
- = unsafePerformIO (
- do resolution <- nh_getCPUprec
- return (round (resolution * 1.0e+12))
- )
-\end{code}
-#endif
+++ /dev/null
-/*
- * (c) The GRASP/AQUA Project, Glasgow University, 1994-1998
- *
- * $Id: getCPUTime.c,v 1.7 2000/04/06 17:54:01 rrt Exp $
- *
- * getCPUTime Runtime Support
- */
-
-#ifndef _AIX
-#define NON_POSIX_SOURCE /*needed for solaris2 only?*/
-#endif
-
-/* how is this to work given we have not read platform.h yet? */
-#ifdef hpux_TARGET_OS
-#define _INCLUDE_HPUX_SOURCE
-#endif
-
-#include "Rts.h"
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifndef mingw32_TARGET_OS
-# ifdef HAVE_SYS_TIMES_H
-# include <sys/times.h>
-# endif
-#endif
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-
-#if !defined(mingw32_TARGET_OS) && !defined(irix_TARGET_OS)
-# if defined(HAVE_SYS_RESOURCE_H)
-# include <sys/resource.h>
-# endif
-#endif
-
-#ifdef HAVE_SYS_TIMEB_H
-#include <sys/timeb.h>
-#endif
-
-#ifdef hpux_TARGET_OS
-#include <sys/syscall.h>
-#define getrusage(a, b) syscall(SYS_GETRUSAGE, a, b)
-#define HAVE_GETRUSAGE
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-StgInt
-clockTicks ()
-{
- return (
-#if defined(CLK_TCK)
- CLK_TCK
-#else
- sysconf(_SC_CLK_TCK)
-#endif
- );
-}
-
-/*
- * Our caller wants a pointer to four StgInts,
- * user seconds, user nanoseconds, system seconds, system nanoseconds.
- * Yes, the timerval has unsigned components, but nanoseconds take only
- * 30 bits, and our CPU usage would have to be over 68 years for the
- * seconds to overflow 31 bits.
- */
-
-#ifndef _WIN32
-StgInt
-getCPUTime(StgByteArray cpuStruct)
-{
- StgInt *cpu=(StgInt *)cpuStruct;
-
-/* getrusage() is right royal pain to deal with when targetting multiple
- versions of Solaris, since some versions supply it in libc (2.3 and 2.5),
- while 2.4 has got it in libucb (I wouldn't be too surprised if it was back
- again in libucb in 2.6..)
-
- Avoid the problem by resorting to times() instead.
-*/
-#if defined(HAVE_GETRUSAGE) && ! irix_TARGET_OS && ! solaris2_TARGET_OS
- struct rusage t;
-
- getrusage(RUSAGE_SELF, &t);
- cpu[0] = t.ru_utime.tv_sec;
- cpu[1] = 1000 * t.ru_utime.tv_usec;
- cpu[2] = t.ru_stime.tv_sec;
- cpu[3] = 1000 * t.ru_stime.tv_usec;
-
-#else
-# if defined(HAVE_TIMES)
- struct tms t;
-# if defined(CLK_TCK)
-# define ticks CLK_TCK
-# else
- long ticks;
- ticks = sysconf(_SC_CLK_TCK);
-# endif
-
- times(&t);
- cpu[0] = t.tms_utime / ticks;
- cpu[1] = (t.tms_utime - cpu[0] * ticks) * (1000000000 / ticks);
- cpu[2] = t.tms_stime / ticks;
- cpu[3] = (t.tms_stime - cpu[2] * ticks) * (1000000000 / ticks);
-
-# else
- return 0;
-# endif
-#endif
- return 1;
-}
-
-#else
-
-#ifdef _WIN32
-/* 100ns units per sec, really */
-#define NS_PER_SEC 10000000LL
-#define FT2usecs(ll,ft) \
- (ll)=(ft).dwHighDateTime; \
- (ll) <<= 32; \
- (ll) |= (ft).dwLowDateTime;
-
-#endif
-
-/* cygwin32 or mingw32 version */
-StgInt
-getCPUTime(StgByteArray cpuStruct)
-{
- FILETIME creationTime, exitTime, kernelTime, userTime;
- StgInt *cpu=(StgInt *)cpuStruct;
- unsigned long long uT, kT;
-
- /* ToDo: pin down elapsed times to just the OS thread(s) that
- are evaluating/managing Haskell code.
- */
- if (!GetProcessTimes (GetCurrentProcess(), &creationTime,
- &exitTime, &kernelTime, &userTime)) {
- /* Probably on a Win95 box..*/
- cpu[0]=0;
- cpu[1]=0;
- cpu[2]=0;
- cpu[3]=0;
- return 1;
- }
-
- FT2usecs(uT, userTime);
- FT2usecs(kT, kernelTime);
-
- cpu[0] = (unsigned int)(uT / NS_PER_SEC);
- cpu[1] = (unsigned int)((uT - cpu[0] * NS_PER_SEC) * 100);
- cpu[2] = (unsigned int)(kT / NS_PER_SEC);
- cpu[3] = (unsigned int)((kT - cpu[2] * NS_PER_SEC) * 100);
- return 1;
-}
-
-#endif /* _WIN32 */
/* -----------------------------------------------------------------------------
- * $Id: stgio.h,v 1.28 2001/04/02 16:10:33 rrt Exp $
+ * $Id: stgio.h,v 1.29 2001/05/08 08:55:18 simonmar Exp $
*
* (c) The GRASP/AQUA Project, Glasgow University, 1994-1999
*
/* getBufferMode.c */
StgInt getBufferMode (StgForeignPtr);
-/* getCPUTime.c */
-StgInt getCPUTime (StgByteArray);
-StgInt clockTicks(void);
-
/* getLock.c */
int lockFile (int, int, int);
int unlockFile (int);
projects / ghc-hetmet.git / commitdiff