Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC

Commits:

18 changed files:

Changes:

  • changelog.d/ipe-event-class
    1 
    +section: compiler
    2 
    +synopsis: Add eventlog flag -lI to enable/disable IPE tracing
    3 
    +issues: #27239
    4 
    +mrs: !16004
    5 
    +
    6 
    +description: {
    7 
    +    The RTS `-l` flag now accepts the new event class `I`,
    8 
    +    which controls whether or not IPE events are emitted.
    9 
    +}

  • docs/users_guide/runtime_control.rst
    ... ... @@ -1304,6 +1304,9 @@ When the program is linked with the :ghc-flag:`-eventlog` option
    1304 1304 
         - ``u`` — user events. These are events emitted from Haskell code using
    1305 1305 
           functions such as ``Debug.Trace.traceEvent``. Enabled by default.
    1306 1306
    1307 
    +    - ``I`` — IPE events. These events describe source position information
    1308 
    +      for info tables. See :ghc-flag:`-finfo-table-map`.
    1309 
    +
    1307 1310 
         You can disable specific classes, or enable/disable all classes at
    1308 1311 
         once:
    1309 1312

  • libraries/ghc-internal/src/GHC/Internal/RTS/Flags.hsc
    ... ... @@ -211,6 +211,8 @@ data DebugFlags = DebugFlags
    211 211 
         , squeeze        :: Bool -- ^ @z@ stack squeezing & lazy blackholing
    212 212 
         , hpc            :: Bool -- ^ @c@ coverage
    213 213 
         , sparks         :: Bool -- ^ @r@
    214 
    +    , ipe            :: Bool -- ^ @I@
    215 
    +                             --   @since ghc-experimental-10.0.0
    214 216 
         } deriving ( Show -- ^ @since base-4.8.0.0
    215 217 
                    , Generic -- ^ @since base-4.15.0.0
    216 218 
                    )
    ... ... @@ -359,6 +361,8 @@ data TraceFlags = TraceFlags
    359 361 
         , sparksSampled  :: Bool -- ^ trace spark events by a sampled method
    360 362 
         , sparksFull     :: Bool -- ^ trace spark events 100% accurately
    361 363 
         , user           :: Bool -- ^ trace user events (emitted from Haskell code)
    364 
    +    , traceIpe       :: Bool -- ^ trace IPE events
    365 
    +                             --   @since ghc-experimental-10.0.0
    362 366 
         } deriving ( Show -- ^ @since base-4.8.0.0
    363 367 
                    , Generic -- ^ @since base-4.15.0.0
    364 368 
                    )
    ... ... @@ -588,6 +592,8 @@ getDebugFlags = do
    588 592 
                        (#{peek DEBUG_FLAGS, hpc} ptr :: IO CBool))
    589 593 
                  <*> (toBool <$>
    590 594 
                        (#{peek DEBUG_FLAGS, sparks} ptr :: IO CBool))
    595 
    +             <*> (toBool <$>
    596 
    +                   (#{peek DEBUG_FLAGS, ipe} ptr :: IO CBool))
    591 597
    592 598 
     getCCFlags :: IO CCFlags
    593 599 
     getCCFlags = do
    ... ... @@ -628,7 +634,7 @@ getTraceFlags :: IO TraceFlags
    628 634 
     getTraceFlags = do
    629 635 
     #if defined(javascript_HOST_ARCH)
    630 636 
       -- The JS backend does not currently have trace flags
    631 
    -  return (TraceFlags TraceNone False False False False False False False)
    637 
    +  return (TraceFlags TraceNone False False False False False False False False)
    632 638 
     #else
    633 639 
       let ptr = (#ptr RTS_FLAGS, TraceFlags) rtsFlagsPtr
    634 640 
       TraceFlags <$> (toEnum . fromIntegral
    ... ... @@ -647,6 +653,8 @@ getTraceFlags = do
    647 653 
                        (#{peek TRACE_FLAGS, sparks_full} ptr :: IO CBool))
    648 654 
                  <*> (toBool <$>
    649 655 
                        (#{peek TRACE_FLAGS, user} ptr :: IO CBool))
    656 
    +             <*> (toBool <$>
    657 
    +                   (#{peek TRACE_FLAGS, ipe} ptr :: IO CBool))
    650 658 
     #endif
    651 659
    652 660 
     getTickyFlags :: IO TickyFlags

  • rts/IPE.c
    ... ... @@ -165,26 +165,46 @@ static void traceIPEFromHashTable(void *data STG_UNUSED, StgWord key STG_UNUSED,
    165 165 
     }
    166 166
    167 167 
     void dumpIPEToEventLog(void) {
    168 
    -    // Dump pending entries
    169 
    -    IpeBufferListNode *node = RELAXED_LOAD(&ipeBufferList);
    170 
    -    while (node != NULL) {
    171 
    -        if (ipe_node_valid(node)){
    172 
    -          decompressIPEBufferListNodeIfCompressed(node);
    173 
    -
    174 
    -          for (uint32_t i = 0; i < node->count; i++) {
    175 
    -              const InfoProvEnt ent = ipeBufferEntryToIpe(node, i);
    176 
    -              traceIPE(&ent);
    177 
    -          }
    168 
    +    /*
    169 
    +    Usually, traceX functions are defined as a pair of a traceX_ function that
    170 
    +    traces unconditionally and a traceX functional macro that performs the test
    171 
    +    for the relevant TRACE_x flag.
    172 
    +
    173 
    +    This function is the only function that calls traceIPE, but it takes a lot
    174 
    +    of work just to prepare the IPE information. If traceIPE does not trace that
    175 
    +    IPE information, all that work is wasted. Hence, the test of TRACE_ipe is
    176 
    +    performed in this function instead.
    177 
    +
    178 
    +    This function is called via traceInitEvent in RtsStartup.c, which registers
    179 
    +    it as an init event handler. It is important that this happens regardless
    180 
    +    of whether or not IPE tracing is enabled at startup, since IPE tracing can
    181 
    +    be started/stopped at runtime using the dynamic trace flags API.
    182 
    +
    183 
    +    IPE tracing is enabled whenever IPE debug printing is enabled via -DI, so
    184 
    +    this test does not prevent IPE debug printing.
    185 
    +    */
    186 
    +    if (RTS_UNLIKELY(TRACE_ipe)) {
    187 
    +        // Dump pending entries
    188 
    +        IpeBufferListNode *node = RELAXED_LOAD(&ipeBufferList);
    189 
    +        while (node != NULL) {
    190 
    +            if (ipe_node_valid(node)){
    191 
    +              decompressIPEBufferListNodeIfCompressed(node);
    192 
    +
    193 
    +              for (uint32_t i = 0; i < node->count; i++) {
    194 
    +                  const InfoProvEnt ent = ipeBufferEntryToIpe(node, i);
    195 
    +                  traceIPE(&ent);
    196 
    +              }
    197 
    +            }
    198 
    +            node = node->next;
    178 199 
             }
    179 
    -        node = node->next;
    180 
    -    }
    181 200
    182 
    -    // Dump entries already in hashmap
    183 
    -    ACQUIRE_LOCK(&ipeMapLock);
    184 
    -    if (ipeMap != NULL) {
    185 
    -        mapHashTable(ipeMap, NULL, &traceIPEFromHashTable);
    201 
    +        // Dump entries already in hashmap
    202 
    +        ACQUIRE_LOCK(&ipeMapLock);
    203 
    +        if (ipeMap != NULL) {
    204 
    +            mapHashTable(ipeMap, NULL, &traceIPEFromHashTable);
    205 
    +        }
    206 
    +        RELEASE_LOCK(&ipeMapLock);
    186 207 
         }
    187 
    -    RELEASE_LOCK(&ipeMapLock);
    188 208 
     }
    189 209
    190 210

  • rts/RtsFlags.c
    ... ... @@ -249,6 +249,7 @@ void initRtsFlagsDefaults(void)
    249 249 
         RtsFlags.TraceFlags.sparks_sampled= false;
    250 250 
         RtsFlags.TraceFlags.sparks_full   = false;
    251 251 
         RtsFlags.TraceFlags.user          = false;
    252 
    +    RtsFlags.TraceFlags.ipe           = false;
    252 253 
         RtsFlags.TraceFlags.ticky         = false;
    253 254 
         RtsFlags.TraceFlags.trace_output  = NULL;
    254 255 
     #  if defined(THREADED_RTS)
    ... ... @@ -449,6 +450,7 @@ usage_text[] = {
    449 450 
     "                p    par spark events (sampled)",
    450 451 
     "                f    par spark events (full detail)",
    451 452 
     "                u    user events (emitted from Haskell code)",
    453 
    +"                I    IPE events",
    452 454 
     #if defined(TICKY_TICKY)
    453 455 
     "                T    ticky-ticky counter samples",
    454 456 
     #endif
    ... ... @@ -457,7 +459,7 @@ usage_text[] = {
    457 459 
     "                t    add time stamps (only useful with -v)",
    458 460 
     #  endif
    459 461 
     "               -x    disable an event class, for any flag above",
    460 
    -"             the initial enabled event classes are 'sgpu'",
    462 
    +"             the initial enabled event classes are 'sgIpu'",
    461 463 
     #  if defined(THREADED_RTS)
    462 464 
     " --eventlog-flush-interval=<secs>",
    463 465 
     "             Periodically flush the eventlog at the specified interval.",
    ... ... @@ -2528,6 +2530,7 @@ static void read_trace_flags(const char *arg)
    2528 2530 
         RtsFlags.TraceFlags.gc             = true;
    2529 2531 
         RtsFlags.TraceFlags.sparks_sampled = true;
    2530 2532 
         RtsFlags.TraceFlags.user           = true;
    2533 
    +    RtsFlags.TraceFlags.ipe            = true;
    2531 2534
    2532 2535 
         for (c  = arg; *c != '\0'; c++) {
    2533 2536 
             switch(*c) {
    ... ... @@ -2541,8 +2544,9 @@ static void read_trace_flags(const char *arg)
    2541 2544 
                 RtsFlags.TraceFlags.gc             = enabled;
    2542 2545 
                 RtsFlags.TraceFlags.sparks_sampled = enabled;
    2543 2546 
                 RtsFlags.TraceFlags.sparks_full    = enabled;
    2544 
    -            RtsFlags.TraceFlags.user           = enabled;
    2545 2547 
                 RtsFlags.TraceFlags.nonmoving_gc   = enabled;
    2548 
    +            RtsFlags.TraceFlags.user           = enabled;
    2549 
    +            RtsFlags.TraceFlags.ipe            = enabled;
    2546 2550 
     #if defined(TICKY_TICKY)
    2547 2551 
                 RtsFlags.TraceFlags.ticky          = enabled;
    2548 2552 
     #endif
    ... ... @@ -2577,6 +2581,10 @@ static void read_trace_flags(const char *arg)
    2577 2581 
                 RtsFlags.TraceFlags.user      = enabled;
    2578 2582 
                 enabled = true;
    2579 2583 
                 break;
    2584 
    +        case 'I':
    2585 
    +            RtsFlags.TraceFlags.ipe       = enabled;
    2586 
    +            enabled = true;
    2587 
    +            break;
    2580 2588 
             case 'T':
    2581 2589 
     #if defined(TICKY_TICKY)
    2582 2590 
                 RtsFlags.TraceFlags.ticky     = enabled;

  • rts/Trace.c
    ... ... @@ -47,6 +47,8 @@ bool getTraceFlag(RUNTIME_TRACE_FLAG flag) {
    47 47 
         return RuntimeTraceFlagCache.user;
    48 48 
       case TRACE_CAP:
    49 49 
         return RuntimeTraceFlagCache.cap;
    50 
    +  case TRACE_IPE:
    51 
    +    return RuntimeTraceFlagCache.ipe;
    50 52 
       default:
    51 53 
         return false;
    52 54 
       }
    ... ... @@ -75,6 +77,9 @@ void setTraceFlag(RUNTIME_TRACE_FLAG flag, bool value) {
    75 77 
       case TRACE_CAP:
    76 78 
         RuntimeTraceFlagCache.cap = value;
    77 79 
         break;
    80 
    +  case TRACE_IPE:
    81 
    +    RuntimeTraceFlagCache.ipe = value;
    82 
    +    break;
    78 83 
       }
    79 84 
     }
    80 85
    ... ... @@ -119,13 +124,19 @@ static void updateTraceFlagCache(void) {
    119 124 
       RuntimeTraceFlagCache.user =
    120 125 
         RtsFlags.TraceFlags.user;
    121 126
    127 
    +  // -DI turns on IPE tracing too
    128 
    +  RuntimeTraceFlagCache.ipe =
    129 
    +      RtsFlags.TraceFlags.ipe ||
    130 
    +      RtsFlags.DebugFlags.ipe;
    131 
    +
    122 132 
       // We trace cap events if we're tracing anything else
    123 133 
       RuntimeTraceFlagCache.cap =
    124 134 
         TRACE_sched ||
    125 135 
         TRACE_gc ||
    126 136 
         TRACE_spark_sampled ||
    127 137 
         TRACE_spark_full ||
    128 
    -    TRACE_user;
    138 
    +    TRACE_user ||
    139 
    +    TRACE_ipe;
    129 140 
     }
    130 141
    131 142 
     void initTracing (void)
    ... ... @@ -720,6 +731,7 @@ void traceHeapProfSampleString(const char *label, StgWord residency)
    720 731 
         }
    721 732 
     }
    722 733
    734 
    +// The TRACE_ipe test happens in dumpIPEToEventLog.
    723 735 
     void traceIPE(const InfoProvEnt *ipe)
    724 736 
     {
    725 737 
     #if defined(DEBUG)

  • rts/Trace.h
    ... ... @@ -79,6 +79,7 @@ enum CapsetType { CapsetTypeCustom = CAPSET_TYPE_CUSTOM,
    79 79 
     #define TRACE_spark_full    ((const bool)RuntimeTraceFlagCache.spark_full)
    80 80 
     #define TRACE_user          ((const bool)RuntimeTraceFlagCache.user)
    81 81 
     #define TRACE_cap           ((const bool)RuntimeTraceFlagCache.cap)
    82 
    +#define TRACE_ipe           ((const bool)RuntimeTraceFlagCache.ipe)
    82 83
    83 84 
     /*
    84 85 
      * Runtime trace flags.
    ... ... @@ -91,6 +92,7 @@ typedef struct {
    91 92 
       bool spark_full;
    92 93 
       bool user;
    93 94 
       bool cap;
    95 
    +  bool ipe;
    94 96 
     } RUNTIME_TRACE_FLAG_CACHE;
    95 97
    96 98 
     /*

  • rts/include/rts/EventLogWriter.h
    ... ... @@ -90,6 +90,7 @@ typedef enum {
    90 90 
       TRACE_SPARK_FULL,
    91 91 
       TRACE_USER,
    92 92 
       TRACE_CAP,
    93 
    +  TRACE_IPE,
    93 94 
     } RUNTIME_TRACE_FLAG;
    94 95
    95 96 
     /*

  • rts/include/rts/Flags.h
    ... ... @@ -191,6 +191,7 @@ typedef struct _TRACE_FLAGS {
    191 191 
         bool sparks_full;    /* trace spark events 100% accurately */
    192 192 
         bool ticky;          /* trace ticky-ticky samples */
    193 193 
         bool user;           /* trace user events (emitted from Haskell code) */
    194 
    +    bool ipe;            /* trace IPE events */
    194 195 
     #if defined(THREADED_RTS)
    195 196 
         /* Time between force eventlog flushes (or 0 if disabled) */
    196 197 
         Time eventlogFlushTime;

  • testsuite/tests/interface-stability/ghc-experimental-exports.stdout
    ... ... @@ -7812,7 +7812,7 @@ module GHC.RTS.Flags.Experimental where
    7812 7812 
       type ConcFlags :: *
    7813 7813 
       data ConcFlags = ConcFlags {ctxtSwitchTime :: RtsTime, ctxtSwitchTicks :: GHC.Internal.Types.Int}
    7814 7814 
       type DebugFlags :: *
    7815 
    -  data DebugFlags = DebugFlags {scheduler :: GHC.Internal.Types.Bool, interpreter :: GHC.Internal.Types.Bool, weak :: GHC.Internal.Types.Bool, gccafs :: GHC.Internal.Types.Bool, gc :: GHC.Internal.Types.Bool, nonmoving_gc :: GHC.Internal.Types.Bool, block_alloc :: GHC.Internal.Types.Bool, sanity :: GHC.Internal.Types.Bool, stable :: GHC.Internal.Types.Bool, prof :: GHC.Internal.Types.Bool, linker :: GHC.Internal.Types.Bool, apply :: GHC.Internal.Types.Bool, stm :: GHC.Internal.Types.Bool, squeeze :: GHC.Internal.Types.Bool, hpc :: GHC.Internal.Types.Bool, sparks :: GHC.Internal.Types.Bool}
    7815 
    +  data DebugFlags = DebugFlags {scheduler :: GHC.Internal.Types.Bool, interpreter :: GHC.Internal.Types.Bool, weak :: GHC.Internal.Types.Bool, gccafs :: GHC.Internal.Types.Bool, gc :: GHC.Internal.Types.Bool, nonmoving_gc :: GHC.Internal.Types.Bool, block_alloc :: GHC.Internal.Types.Bool, sanity :: GHC.Internal.Types.Bool, stable :: GHC.Internal.Types.Bool, prof :: GHC.Internal.Types.Bool, linker :: GHC.Internal.Types.Bool, apply :: GHC.Internal.Types.Bool, stm :: GHC.Internal.Types.Bool, squeeze :: GHC.Internal.Types.Bool, hpc :: GHC.Internal.Types.Bool, sparks :: GHC.Internal.Types.Bool, ipe :: GHC.Internal.Types.Bool}
    7816 7816 
       type DoCostCentres :: *
    7817 7817 
       data DoCostCentres = CostCentresNone | CostCentresSummary | CostCentresVerbose | CostCentresAll | CostCentresJSON
    7818 7818 
       type DoHeapProfile :: *
    ... ... @@ -7889,7 +7889,7 @@ module GHC.RTS.Flags.Experimental where
    7889 7889 
       type TickyFlags :: *
    7890 7890 
       data TickyFlags = TickyFlags {showTickyStats :: GHC.Internal.Types.Bool, tickyFile :: GHC.Internal.Maybe.Maybe GHC.Internal.IO.FilePath}
    7891 7891 
       type TraceFlags :: *
    7892 
    -  data TraceFlags = TraceFlags {tracing :: DoTrace, timestamp :: GHC.Internal.Types.Bool, traceScheduler :: GHC.Internal.Types.Bool, traceGc :: GHC.Internal.Types.Bool, traceNonmovingGc :: GHC.Internal.Types.Bool, sparksSampled :: GHC.Internal.Types.Bool, sparksFull :: GHC.Internal.Types.Bool, user :: GHC.Internal.Types.Bool}
    7892 
    +  data TraceFlags = TraceFlags {tracing :: DoTrace, timestamp :: GHC.Internal.Types.Bool, traceScheduler :: GHC.Internal.Types.Bool, traceGc :: GHC.Internal.Types.Bool, traceNonmovingGc :: GHC.Internal.Types.Bool, sparksSampled :: GHC.Internal.Types.Bool, sparksFull :: GHC.Internal.Types.Bool, user :: GHC.Internal.Types.Bool, traceIpe :: GHC.Internal.Types.Bool}
    7893 7893 
       getCCFlags :: GHC.Internal.Types.IO CCFlags
    7894 7894 
       getConcFlags :: GHC.Internal.Types.IO ConcFlags
    7895 7895 
       getDebugFlags :: GHC.Internal.Types.IO DebugFlags

  • testsuite/tests/interface-stability/ghc-experimental-exports.stdout-mingw32
    ... ... @@ -7815,7 +7815,7 @@ module GHC.RTS.Flags.Experimental where
    7815 7815 
       type ConcFlags :: *
    7816 7816 
       data ConcFlags = ConcFlags {ctxtSwitchTime :: RtsTime, ctxtSwitchTicks :: GHC.Internal.Types.Int}
    7817 7817 
       type DebugFlags :: *
    7818 
    -  data DebugFlags = DebugFlags {scheduler :: GHC.Internal.Types.Bool, interpreter :: GHC.Internal.Types.Bool, weak :: GHC.Internal.Types.Bool, gccafs :: GHC.Internal.Types.Bool, gc :: GHC.Internal.Types.Bool, nonmoving_gc :: GHC.Internal.Types.Bool, block_alloc :: GHC.Internal.Types.Bool, sanity :: GHC.Internal.Types.Bool, stable :: GHC.Internal.Types.Bool, prof :: GHC.Internal.Types.Bool, linker :: GHC.Internal.Types.Bool, apply :: GHC.Internal.Types.Bool, stm :: GHC.Internal.Types.Bool, squeeze :: GHC.Internal.Types.Bool, hpc :: GHC.Internal.Types.Bool, sparks :: GHC.Internal.Types.Bool}
    7818 
    +  data DebugFlags = DebugFlags {scheduler :: GHC.Internal.Types.Bool, interpreter :: GHC.Internal.Types.Bool, weak :: GHC.Internal.Types.Bool, gccafs :: GHC.Internal.Types.Bool, gc :: GHC.Internal.Types.Bool, nonmoving_gc :: GHC.Internal.Types.Bool, block_alloc :: GHC.Internal.Types.Bool, sanity :: GHC.Internal.Types.Bool, stable :: GHC.Internal.Types.Bool, prof :: GHC.Internal.Types.Bool, linker :: GHC.Internal.Types.Bool, apply :: GHC.Internal.Types.Bool, stm :: GHC.Internal.Types.Bool, squeeze :: GHC.Internal.Types.Bool, hpc :: GHC.Internal.Types.Bool, sparks :: GHC.Internal.Types.Bool, ipe :: GHC.Internal.Types.Bool}
    7819 7819 
       type DoCostCentres :: *
    7820 7820 
       data DoCostCentres = CostCentresNone | CostCentresSummary | CostCentresVerbose | CostCentresAll | CostCentresJSON
    7821 7821 
       type DoHeapProfile :: *
    ... ... @@ -7892,7 +7892,7 @@ module GHC.RTS.Flags.Experimental where
    7892 7892 
       type TickyFlags :: *
    7893 7893 
       data TickyFlags = TickyFlags {showTickyStats :: GHC.Internal.Types.Bool, tickyFile :: GHC.Internal.Maybe.Maybe GHC.Internal.IO.FilePath}
    7894 7894 
       type TraceFlags :: *
    7895 
    -  data TraceFlags = TraceFlags {tracing :: DoTrace, timestamp :: GHC.Internal.Types.Bool, traceScheduler :: GHC.Internal.Types.Bool, traceGc :: GHC.Internal.Types.Bool, traceNonmovingGc :: GHC.Internal.Types.Bool, sparksSampled :: GHC.Internal.Types.Bool, sparksFull :: GHC.Internal.Types.Bool, user :: GHC.Internal.Types.Bool}
    7895 
    +  data TraceFlags = TraceFlags {tracing :: DoTrace, timestamp :: GHC.Internal.Types.Bool, traceScheduler :: GHC.Internal.Types.Bool, traceGc :: GHC.Internal.Types.Bool, traceNonmovingGc :: GHC.Internal.Types.Bool, sparksSampled :: GHC.Internal.Types.Bool, sparksFull :: GHC.Internal.Types.Bool, user :: GHC.Internal.Types.Bool, traceIpe :: GHC.Internal.Types.Bool}
    7896 7896 
       getCCFlags :: GHC.Internal.Types.IO CCFlags
    7897 7897 
       getConcFlags :: GHC.Internal.Types.IO ConcFlags
    7898 7898 
       getDebugFlags :: GHC.Internal.Types.IO DebugFlags

  • testsuite/tests/rts/T25275/DebugIpe.hs
    1 
    +module Main where
    2 
    +
    3 
    +import GHC.RTS.Flags.Experimental (DebugFlags (..), getDebugFlags)
    4 
    +
    5 
    +main :: IO ()
    6 
    +main = print . ipe =<< getDebugFlags

  • testsuite/tests/rts/T25275/T25275_A.stdout
    1 
    +False
    \ No newline at end of file

  • testsuite/tests/rts/T25275/T25275_B.stdout
    1 
    +True
    \ No newline at end of file

  • testsuite/tests/rts/T25275/T25275_C.stdout
    1 
    +False
    \ No newline at end of file

  • testsuite/tests/rts/T25275/T25275_D.stdout
    1 
    +True
    \ No newline at end of file

  • testsuite/tests/rts/T25275/TraceIpe.hs
    1 
    +module Main where
    2 
    +
    3 
    +import GHC.RTS.Flags.Experimental (TraceFlags (..), getTraceFlags)
    4 
    +
    5 
    +main :: IO ()
    6 
    +main = print . traceIpe =<< getTraceFlags

  • testsuite/tests/rts/T25275/all.T
    1 
    +# Compile and run with default RTS options
    2 
    +test(
    3 
    +    'T25275_A',
    4 
    +    [
    5 
    +        extra_files(['TraceIpe.hs']),
    6 
    +        js_skip
    7 
    +    ],
    8 
    +    multimod_compile_and_run,
    9 
    +    ['TraceIpe', ''],
    10 
    +)
    11 
    +
    12 
    +# Compile and run with -lI
    13 
    +test(
    14 
    +    'T25275_B',
    15 
    +    [
    16 
    +        extra_files(['TraceIpe.hs']),
    17 
    +        extra_run_opts('+RTS -lI -RTS'),
    18 
    +        js_skip
    19 
    +    ],
    20 
    +    multimod_compile_and_run,
    21 
    +    ['TraceIpe', ''],
    22 
    +)
    23 
    +
    24 
    +# Compile and run with default RTS options
    25 
    +test(
    26 
    +    'T25275_C',
    27 
    +    [
    28 
    +        only_ways(['debug']),
    29 
    +        extra_files(['DebugIpe.hs']),
    30 
    +    ],
    31 
    +    multimod_compile_and_run,
    32 
    +    ['DebugIpe', ''],
    33 
    +)
    34 
    +
    35 
    +# Compile and run with -DI
    36 
    +test(
    37 
    +    'T25275_D',
    38 
    +    [
    39 
    +        only_ways(['debug']),
    40 
    +        extra_files(['DebugIpe.hs']),
    41 
    +        extra_run_opts('+RTS -DI -RTS'),
    42 
    +    ],
    43 
    +    multimod_compile_and_run,
    44 
    +    ['DebugIpe', ''],
    45 
    +)

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