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-rw-r--r--rts/RtsFlags.c2281
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diff --git a/rts/RtsFlags.c b/rts/RtsFlags.c
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+
+/* -----------------------------------------------------------------------------
+ *
+ * (c) The AQUA Project, Glasgow University, 1994-1997
+ * (c) The GHC Team, 1998-1999
+ *
+ * Functions for parsing the argument list.
+ *
+ * ---------------------------------------------------------------------------*/
+
+//@menu
+//* Includes::
+//* Constants::
+//* Static function decls::
+//* Command-line option parsing routines::
+//* GranSim specific options::
+//* Aux fcts::
+//@end menu
+//*/
+
+//@node Includes, Constants
+//@subsection Includes
+
+#include "PosixSource.h"
+#include "Rts.h"
+#include "RtsFlags.h"
+#include "RtsUtils.h"
+#include "BlockAlloc.h"
+#include "Timer.h" /* CS_MIN_MILLISECS */
+#include "Profiling.h"
+
+#ifdef HAVE_CTYPE_H
+#include <ctype.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+// Flag Structure
+RTS_FLAGS RtsFlags;
+
+/*
+ * Split argument lists
+ */
+int prog_argc = 0; /* an "int" so as to match normal "argc" */
+char **prog_argv = NULL;
+char *prog_name = NULL; /* 'basename' of prog_argv[0] */
+int rts_argc = 0; /* ditto */
+char *rts_argv[MAX_RTS_ARGS];
+
+//@node Constants, Static function decls, Includes
+//@subsection Constants
+
+/*
+ * constants, used later
+ */
+#define RTS 1
+#define PGM 0
+
+#if defined(GRAN)
+
+static char *gran_debug_opts_strs[] = {
+ "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
+ "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
+ "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
+ "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
+ "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
+ "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
+ "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
+ "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
+ "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
+ "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
+ "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
+ "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
+ "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
+ "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
+ "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
+};
+
+/* one character codes for the available debug options */
+static char gran_debug_opts_flags[] = {
+ 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
+};
+
+#elif defined(PAR)
+
+static char *par_debug_opts_strs[] = {
+ "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
+ "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
+ "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
+ "DEBUG (-qDe, -qD8): free; free messages.\n",
+ "DEBUG (-qDr, -qD16): resume; resume messages.\n",
+ "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
+ "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
+ // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
+ "DEBUG (-qDf, -qD128): fish; fish messages.\n",
+ //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
+ "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
+ "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
+ "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
+ "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
+};
+
+/* one character codes for the available debug options */
+static char par_debug_opts_flags[] = {
+ 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
+};
+
+#endif /* PAR */
+
+//@node Static function decls, Command-line option parsing routines, Constants
+//@subsection Static function decls
+
+/* -----------------------------------------------------------------------------
+ Static function decls
+ -------------------------------------------------------------------------- */
+
+static int /* return NULL on error */
+open_stats_file (
+ I_ arg,
+ int argc, char *argv[],
+ int rts_argc, char *rts_argv[],
+ const char *FILENAME_FMT,
+ FILE **file_ret);
+
+static I_ decode(const char *s);
+static void bad_option(const char *s);
+
+#if defined(GRAN)
+static void enable_GranSimLight(void);
+static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
+static void set_GranSim_debug_options(nat n);
+static void help_GranSim_debug_options(nat n);
+#elif defined(PAR)
+static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
+static void set_par_debug_options(nat n);
+static void help_par_debug_options(nat n);
+#endif
+
+//@node Command-line option parsing routines, GranSim specific options, Static function decls
+//@subsection Command-line option parsing routines
+
+/* -----------------------------------------------------------------------------
+ * Command-line option parsing routines.
+ * ---------------------------------------------------------------------------*/
+
+void initRtsFlagsDefaults(void)
+{
+ RtsFlags.GcFlags.statsFile = NULL;
+ RtsFlags.GcFlags.giveStats = NO_GC_STATS;
+
+ RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
+ RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
+
+ RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
+ RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
+ RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
+ RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
+ RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
+ RtsFlags.GcFlags.oldGenFactor = 2;
+#if defined(PAR)
+ /* A hack currently needed for GUM -- HWL */
+ RtsFlags.GcFlags.generations = 1;
+ RtsFlags.GcFlags.steps = 2;
+ RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
+#else
+ RtsFlags.GcFlags.generations = 2;
+ RtsFlags.GcFlags.steps = 2;
+ RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
+#endif
+ RtsFlags.GcFlags.compact = rtsFalse;
+ RtsFlags.GcFlags.compactThreshold = 30.0;
+#ifdef RTS_GTK_FRONTPANEL
+ RtsFlags.GcFlags.frontpanel = rtsFalse;
+#endif
+ RtsFlags.GcFlags.idleGCDelayTicks = 300 / TICK_MILLISECS; /* ticks */
+
+#ifdef DEBUG
+ RtsFlags.DebugFlags.scheduler = rtsFalse;
+ RtsFlags.DebugFlags.interpreter = rtsFalse;
+ RtsFlags.DebugFlags.codegen = rtsFalse;
+ RtsFlags.DebugFlags.weak = rtsFalse;
+ RtsFlags.DebugFlags.gccafs = rtsFalse;
+ RtsFlags.DebugFlags.gc = rtsFalse;
+ RtsFlags.DebugFlags.block_alloc = rtsFalse;
+ RtsFlags.DebugFlags.sanity = rtsFalse;
+ RtsFlags.DebugFlags.stable = rtsFalse;
+ RtsFlags.DebugFlags.stm = rtsFalse;
+ RtsFlags.DebugFlags.prof = rtsFalse;
+ RtsFlags.DebugFlags.gran = rtsFalse;
+ RtsFlags.DebugFlags.par = rtsFalse;
+ RtsFlags.DebugFlags.linker = rtsFalse;
+ RtsFlags.DebugFlags.squeeze = rtsFalse;
+#endif
+
+#if defined(PROFILING) || defined(PAR)
+ RtsFlags.CcFlags.doCostCentres = 0;
+#endif /* PROFILING or PAR */
+
+#ifdef PROFILING
+ RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
+ RtsFlags.ProfFlags.profileInterval = 100;
+ RtsFlags.ProfFlags.includeTSOs = rtsFalse;
+ RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
+ RtsFlags.ProfFlags.maxRetainerSetSize = 8;
+ RtsFlags.ProfFlags.modSelector = NULL;
+ RtsFlags.ProfFlags.descrSelector = NULL;
+ RtsFlags.ProfFlags.typeSelector = NULL;
+ RtsFlags.ProfFlags.ccSelector = NULL;
+ RtsFlags.ProfFlags.ccsSelector = NULL;
+ RtsFlags.ProfFlags.retainerSelector = NULL;
+ RtsFlags.ProfFlags.bioSelector = NULL;
+
+#elif defined(DEBUG)
+ RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
+#endif
+
+ RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
+
+#ifdef THREADED_RTS
+ RtsFlags.ParFlags.nNodes = 1;
+ RtsFlags.ParFlags.migrate = rtsTrue;
+ RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
+#endif
+
+#ifdef PAR
+ RtsFlags.ParFlags.ParStats.Full = rtsFalse;
+ RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
+ RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
+ RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
+ RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
+ RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
+ RtsFlags.ParFlags.ParStats.Global = rtsFalse;
+
+ RtsFlags.ParFlags.outputDisabled = rtsFalse;
+#ifdef DIST
+ RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
+#else
+ RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
+#endif
+ RtsFlags.ParFlags.packBufferSize = 1024;
+ RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
+ RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
+ RtsFlags.ParFlags.maxThreads = 1024;
+ RtsFlags.ParFlags.maxFishes = MAX_FISHES;
+ RtsFlags.ParFlags.fishDelay = FISH_DELAY;
+#endif
+
+#if defined(PAR) || defined(THREADED_RTS)
+ RtsFlags.ParFlags.maxLocalSparks = 4096;
+#endif /* PAR || THREADED_RTS */
+
+#if defined(GRAN)
+ /* ToDo: check defaults for GranSim and GUM */
+ RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
+ RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
+
+ RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
+ RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
+ RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
+
+ RtsFlags.GranFlags.packBufferSize = 1024;
+ RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
+
+ RtsFlags.GranFlags.proc = MAX_PROC;
+ RtsFlags.GranFlags.Fishing = rtsFalse;
+ RtsFlags.GranFlags.maxFishes = MAX_FISHES;
+ RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
+ RtsFlags.GranFlags.Light = rtsFalse;
+
+ RtsFlags.GranFlags.Costs.latency = LATENCY;
+ RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
+ RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
+ RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
+ RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
+ RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
+ RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
+ RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
+
+ RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
+ RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
+ RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
+ RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
+
+ RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
+ RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
+ RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
+ RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
+ RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
+
+ RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
+
+ RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
+ RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
+
+ RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
+ RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
+ RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
+ RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
+ RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
+ RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
+ RtsFlags.GranFlags.FetchStrategy = 2;
+ RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
+ RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
+ RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
+ RtsFlags.GranFlags.SparkPriority = 0;
+ RtsFlags.GranFlags.SparkPriority2 = 0;
+ RtsFlags.GranFlags.RandomPriorities = rtsFalse;
+ RtsFlags.GranFlags.InversePriorities = rtsFalse;
+ RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
+ RtsFlags.GranFlags.ThunksToPack = 0;
+ RtsFlags.GranFlags.RandomSteal = rtsTrue;
+#endif
+
+#ifdef TICKY_TICKY
+ RtsFlags.TickyFlags.showTickyStats = rtsFalse;
+ RtsFlags.TickyFlags.tickyFile = NULL;
+#endif
+}
+
+static const char *
+usage_text[] = {
+"",
+"Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
+"",
+" +RTS Indicates run time system options follow",
+" -RTS Indicates program arguments follow",
+" --RTS Indicates that ALL subsequent arguments will be given to the",
+" program (including any of these RTS flags)",
+"",
+"The following run time system options are available:",
+"",
+" -? Prints this message and exits; the program is not executed",
+"",
+" -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
+" -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
+"",
+" -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
+" -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
+" -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
+" -m<n> Minimum % of heap which must be available (default 3%)",
+" -G<n> Number of generations (default: 2)",
+" -T<n> Number of steps in younger generations (default: 2)",
+" -c<n> Auto-enable compaction of the oldest generation when live data is",
+" at least <n>% of the maximum heap size set with -M (default: 30%)",
+" -c Enable compaction for all major collections",
+#if defined(THREADED_RTS)
+" -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
+#endif
+"",
+" -t<file> One-line GC statistics (default file: <program>.stat)",
+" -s<file> Summary GC statistics (with -Sstderr going to stderr)",
+" -S<file> Detailed GC statistics",
+#ifdef RTS_GTK_FRONTPANEL
+" -f Display front panel (requires X11 & GTK+)",
+#endif
+"",
+"",
+" -Z Don't squeeze out update frames on stack overflow",
+" -B Sound the bell at the start of each garbage collection",
+#if defined(PROFILING) || defined(PAR)
+"",
+" -px Time/allocation profile (XML) (output file <program>.prof)",
+" -p Time/allocation profile (output file <program>.prof)",
+" -P More detailed Time/Allocation profile",
+" -Pa Give information about *all* cost centres",
+
+# if defined(PROFILING)
+"",
+" -hx Heap residency profile (XML) (output file <program>.prof)",
+" -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
+" break-down: c = cost centre stack (default)",
+" m = module",
+" d = closure description",
+" y = type description",
+" r = retainer",
+" b = biography (LAG,DRAG,VOID,USE)",
+" A subset of closures may be selected thusly:",
+" -hc<cc>,... specific cost centre(s) (top of stack only)",
+" -hC<cc>,... specific cost centre(s) (anywhere in stack)",
+" -hm<mod>... all cost centres from the specified modules(s)",
+" -hd<des>,... closures with specified closure descriptions",
+" -hy<typ>... closures with specified type descriptions",
+" -hr<cc>... closures with specified retainers",
+" -hb<bio>... closures with specified biographies (lag,drag,void,use)",
+"",
+" -R<size> Set the maximum retainer set size (default: 8)",
+"",
+" -i<sec> Time between heap samples (seconds, default: 0.1)",
+"",
+" -xt Include threads (TSOs) in a heap profile",
+"",
+" -xc Show current cost centre stack on raising an exception",
+# endif
+#endif /* PROFILING or PAR */
+#if !defined(PROFILING) && defined(DEBUG)
+"",
+" -h<break-down> Debugging Heap residency profile",
+" (output file <program>.hp)",
+" break-down: L = closure label (default)",
+" T = closure type (constructor, thunk etc.)",
+#endif
+"",
+#if defined(TICKY_TICKY)
+" -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
+"",
+#endif
+#if defined(PAR)
+" -N<n> Use <n> PVMish processors in parallel (default: 2)",
+/* NB: the -N<n> is implemented by the driver!! */
+#endif
+" -C<secs> Context-switch interval in seconds",
+" (0 or no argument means switch as often as possible)",
+" the default is .02 sec; resolution is .02 sec",
+"",
+#if defined(DEBUG)
+" -Ds DEBUG: scheduler",
+" -Di DEBUG: interpreter",
+" -Dc DEBUG: codegen",
+" -Dw DEBUG: weak",
+" -DG DEBUG: gccafs",
+" -Dg DEBUG: gc",
+" -Db DEBUG: block",
+" -DS DEBUG: sanity",
+" -Dt DEBUG: stable",
+" -Dp DEBUG: prof",
+" -Dr DEBUG: gran",
+" -DP DEBUG: par",
+" -Dl DEBUG: linker",
+" -Dm DEBUG: stm",
+" -Dz DEBUG: stack squezing",
+"",
+#endif /* DEBUG */
+#if defined(THREADED_RTS)
+" -N<n> Use <n> OS threads (default: 1)",
+" -qm Don't automatically migrate threads between CPUs",
+" -qw Migrate a thread to the current CPU when it is woken up",
+#endif
+#if defined(THREADED_RTS) || defined(PAR)
+" -e<size> Size of spark pools (default 100)",
+#endif
+#if defined(PAR)
+" -t<num> Set maximum number of advisory threads per PE (default 32)",
+" -qP Enable activity profile (output files in ~/<program>*.gr)",
+" -qQ<size> Set pack-buffer size (default: 1024)",
+" -qd Turn on PVM-ish debugging",
+" -qO Disable output for performance measurement",
+#endif
+#if defined(THREADED_RTS) || defined(PAR)
+" -e<n> Maximum number of outstanding local sparks (default: 4096)",
+#endif
+#if defined(PAR)
+" -d Turn on PVM-ish debugging",
+" -O Disable output for performance measurement",
+#endif /* PAR */
+#if defined(GRAN) /* ToDo: fill in decent Docu here */
+" -b... All GranSim options start with -b; see GranSim User's Guide for details",
+#endif
+"",
+"RTS options may also be specified using the GHCRTS environment variable.",
+"",
+"Other RTS options may be available for programs compiled a different way.",
+"The GHC User's Guide has full details.",
+"",
+0
+};
+
+STATIC_INLINE rtsBool
+strequal(const char *a, const char * b)
+{
+ return(strcmp(a, b) == 0);
+}
+
+static void
+splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
+{
+ char *c1, *c2;
+
+ c1 = s;
+ do {
+ while (isspace(*c1)) { c1++; };
+ c2 = c1;
+ while (!isspace(*c2) && *c2 != '\0') { c2++; };
+
+ if (c1 == c2) { break; }
+
+ if (*rts_argc < MAX_RTS_ARGS-1) {
+ s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
+ strncpy(s, c1, c2-c1);
+ s[c2-c1] = '\0';
+ rts_argv[(*rts_argc)++] = s;
+ } else {
+ barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
+ }
+
+ c1 = c2;
+ } while (*c1 != '\0');
+}
+
+void
+setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
+{
+ rtsBool error = rtsFalse;
+ I_ mode;
+ I_ arg, total_arg;
+
+ setProgName (argv);
+ total_arg = *argc;
+ arg = 1;
+
+ *argc = 1;
+ *rts_argc = 0;
+
+ // process arguments from the ghc_rts_opts global variable first.
+ // (arguments from the GHCRTS environment variable and the command
+ // line override these).
+ {
+ if (ghc_rts_opts != NULL) {
+ splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
+ }
+ }
+
+ // process arguments from the GHCRTS environment variable next
+ // (arguments from the command line override these).
+ {
+ char *ghc_rts = getenv("GHCRTS");
+
+ if (ghc_rts != NULL) {
+ splitRtsFlags(ghc_rts, rts_argc, rts_argv);
+ }
+ }
+
+ // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
+ // argv[0] must be PGM argument -- leave in argv
+
+ for (mode = PGM; arg < total_arg; arg++) {
+ // The '--RTS' argument disables all future +RTS ... -RTS processing.
+ if (strequal("--RTS", argv[arg])) {
+ arg++;
+ break;
+ }
+ // The '--' argument is passed through to the program, but
+ // disables all further +RTS ... -RTS processing.
+ else if (strequal("--", argv[arg])) {
+ break;
+ }
+ else if (strequal("+RTS", argv[arg])) {
+ mode = RTS;
+ }
+ else if (strequal("-RTS", argv[arg])) {
+ mode = PGM;
+ }
+ else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
+ rts_argv[(*rts_argc)++] = argv[arg];
+ }
+ else if (mode == PGM) {
+ argv[(*argc)++] = argv[arg];
+ }
+ else {
+ barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
+ }
+ }
+ // process remaining program arguments
+ for (; arg < total_arg; arg++) {
+ argv[(*argc)++] = argv[arg];
+ }
+ argv[*argc] = (char *) 0;
+ rts_argv[*rts_argc] = (char *) 0;
+
+ // Process RTS (rts_argv) part: mainly to determine statsfile
+ for (arg = 0; arg < *rts_argc; arg++) {
+ if (rts_argv[arg][0] != '-') {
+ fflush(stdout);
+ errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
+ error = rtsTrue;
+
+ } else {
+ switch(rts_argv[arg][1]) {
+
+ /* process: general args, then PROFILING-only ones,
+ then CONCURRENT-only, PARallel-only, GRAN-only,
+ TICKY-only (same order as defined in RtsFlags.lh);
+ within those groups, mostly in case-insensitive
+ alphabetical order.
+ Final group is x*, which allows for more options.
+ */
+
+#ifdef TICKY_TICKY
+# define TICKY_BUILD_ONLY(x) x
+#else
+# define TICKY_BUILD_ONLY(x) \
+errorBelch("not built for: ticky-ticky stats"); \
+error = rtsTrue;
+#endif
+
+#if defined(PROFILING)
+# define COST_CENTRE_USING_BUILD_ONLY(x) x
+#else
+# define COST_CENTRE_USING_BUILD_ONLY(x) \
+errorBelch("not built for: -prof or -parallel"); \
+error = rtsTrue;
+#endif
+
+#ifdef PROFILING
+# define PROFILING_BUILD_ONLY(x) x
+#else
+# define PROFILING_BUILD_ONLY(x) \
+errorBelch("not built for: -prof"); \
+error = rtsTrue;
+#endif
+
+#ifdef PAR
+# define PAR_BUILD_ONLY(x) x
+#else
+# define PAR_BUILD_ONLY(x) \
+errorBelch("not built for: -parallel"); \
+error = rtsTrue;
+#endif
+
+#ifdef THREADED_RTS
+# define THREADED_BUILD_ONLY(x) x
+#else
+# define THREADED_BUILD_ONLY(x) \
+errorBelch("not built for: -smp"); \
+error = rtsTrue;
+#endif
+
+#if defined(THREADED_RTS) || defined(PAR)
+# define PAR_OR_THREADED_BUILD_ONLY(x) x
+#else
+# define PAR_OR_THREADED_BUILD_ONLY(x) \
+errorBelch("not built for: -parallel or -smp"); \
+error = rtsTrue;
+#endif
+
+#ifdef GRAN
+# define GRAN_BUILD_ONLY(x) x
+#else
+# define GRAN_BUILD_ONLY(x) \
+errorBelch("not built for: -gransim"); \
+error = rtsTrue;
+#endif
+
+ /* =========== GENERAL ========================== */
+ case '?':
+ error = rtsTrue;
+ break;
+
+ case 'A':
+ RtsFlags.GcFlags.minAllocAreaSize
+ = decode(rts_argv[arg]+2) / BLOCK_SIZE;
+ if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
+ bad_option(rts_argv[arg]);
+ }
+ break;
+
+ case 'B':
+ RtsFlags.GcFlags.ringBell = rtsTrue;
+ break;
+
+ case 'c':
+ if (rts_argv[arg][2] != '\0') {
+ RtsFlags.GcFlags.compactThreshold =
+ atof(rts_argv[arg]+2);
+ } else {
+ RtsFlags.GcFlags.compact = rtsTrue;
+ }
+ break;
+
+ case 'F':
+ RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
+
+ if (RtsFlags.GcFlags.oldGenFactor < 0)
+ bad_option( rts_argv[arg] );
+ break;
+
+#ifdef DEBUG
+ case 'D':
+ {
+ char *c;
+
+ for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
+ switch (*c) {
+ case 's':
+ RtsFlags.DebugFlags.scheduler = rtsTrue;
+ break;
+ case 'i':
+ RtsFlags.DebugFlags.interpreter = rtsTrue;
+ break;
+ case 'c':
+ RtsFlags.DebugFlags.codegen = rtsTrue;
+ break;
+ case 'w':
+ RtsFlags.DebugFlags.weak = rtsTrue;
+ break;
+ case 'G':
+ RtsFlags.DebugFlags.gccafs = rtsTrue;
+ break;
+ case 'g':
+ RtsFlags.DebugFlags.gc = rtsTrue;
+ break;
+ case 'b':
+ RtsFlags.DebugFlags.block_alloc = rtsTrue;
+ break;
+ case 'S':
+ RtsFlags.DebugFlags.sanity = rtsTrue;
+ break;
+ case 't':
+ RtsFlags.DebugFlags.stable = rtsTrue;
+ break;
+ case 'p':
+ RtsFlags.DebugFlags.prof = rtsTrue;
+ break;
+ case 'r':
+ RtsFlags.DebugFlags.gran = rtsTrue;
+ break;
+ case 'P':
+ RtsFlags.DebugFlags.par = rtsTrue;
+ break;
+ case 'l':
+ RtsFlags.DebugFlags.linker = rtsTrue;
+ break;
+ case 'a':
+ RtsFlags.DebugFlags.apply = rtsTrue;
+ break;
+ case 'm':
+ RtsFlags.DebugFlags.stm = rtsTrue;
+ break;
+ case 'z':
+ RtsFlags.DebugFlags.squeeze = rtsTrue;
+ break;
+ default:
+ bad_option( rts_argv[arg] );
+ }
+ }
+ break;
+ }
+#endif
+
+ case 'K':
+ RtsFlags.GcFlags.maxStkSize =
+ decode(rts_argv[arg]+2) / sizeof(W_);
+
+ if (RtsFlags.GcFlags.maxStkSize == 0)
+ bad_option( rts_argv[arg] );
+ break;
+
+ case 'k':
+ RtsFlags.GcFlags.initialStkSize =
+ decode(rts_argv[arg]+2) / sizeof(W_);
+
+ if (RtsFlags.GcFlags.initialStkSize == 0)
+ bad_option( rts_argv[arg] );
+ break;
+
+ case 'M':
+ RtsFlags.GcFlags.maxHeapSize =
+ decode(rts_argv[arg]+2) / BLOCK_SIZE;
+ /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
+
+ if (RtsFlags.GcFlags.maxHeapSize <= 0) {
+ bad_option(rts_argv[arg]);
+ }
+ break;
+
+ case 'm':
+ RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
+
+ if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
+ RtsFlags.GcFlags.pcFreeHeap > 100)
+ bad_option( rts_argv[arg] );
+ break;
+
+ case 'G':
+ RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
+ if (RtsFlags.GcFlags.generations < 1) {
+ bad_option(rts_argv[arg]);
+ }
+ break;
+
+ case 'T':
+ RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
+ if (RtsFlags.GcFlags.steps < 1) {
+ bad_option(rts_argv[arg]);
+ }
+ break;
+
+ case 'H':
+ RtsFlags.GcFlags.heapSizeSuggestion =
+ decode(rts_argv[arg]+2) / BLOCK_SIZE;
+
+ if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
+ bad_option(rts_argv[arg]);
+ }
+ break;
+
+#ifdef RTS_GTK_FRONTPANEL
+ case 'f':
+ RtsFlags.GcFlags.frontpanel = rtsTrue;
+ break;
+#endif
+
+ case 'I': /* idle GC delay */
+ if (rts_argv[arg][2] == '\0') {
+ /* use default */
+ } else {
+ I_ cst; /* tmp */
+
+ /* Convert to ticks */
+ cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
+ if (cst > 0 && cst < TICK_MILLISECS) {
+ cst = TICK_MILLISECS;
+ } else {
+ cst = cst / TICK_MILLISECS;
+ }
+ RtsFlags.GcFlags.idleGCDelayTicks = cst;
+ }
+ break;
+
+ case 'S':
+ RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
+ goto stats;
+
+ case 's':
+ RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
+ goto stats;
+
+ case 't':
+ RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
+ goto stats;
+
+ stats:
+#ifdef PAR
+ /* Opening all those files would almost certainly fail... */
+ // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
+ RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
+#else
+ {
+ int r;
+ r = open_stats_file(arg, *argc, argv,
+ *rts_argc, rts_argv, STAT_FILENAME_FMT,
+ &RtsFlags.GcFlags.statsFile);
+ if (r == -1) { error = rtsTrue; }
+ }
+#endif
+ break;
+
+ case 'Z':
+ RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
+ break;
+
+ /* =========== PROFILING ========================== */
+
+ case 'P': /* detailed cost centre profiling (time/alloc) */
+ case 'p': /* cost centre profiling (time/alloc) */
+ COST_CENTRE_USING_BUILD_ONLY(
+ switch (rts_argv[arg][2]) {
+ case 'x':
+ RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
+ break;
+ case 'a':
+ RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
+ break;
+ default:
+ if (rts_argv[arg][1] == 'P') {
+ RtsFlags.CcFlags.doCostCentres =
+ COST_CENTRES_VERBOSE;
+ } else {
+ RtsFlags.CcFlags.doCostCentres =
+ COST_CENTRES_SUMMARY;
+ }
+ break;
+ }
+ ) break;
+
+ case 'R':
+ PROFILING_BUILD_ONLY(
+ RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
+ ) break;
+
+ case 'h': /* serial heap profile */
+#if !defined(PROFILING) && defined(DEBUG)
+ switch (rts_argv[arg][2]) {
+ case '\0':
+ case 'L':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
+ break;
+ case 'T':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
+ break;
+ default:
+ errorBelch("invalid heap profile option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ }
+#else
+ PROFILING_BUILD_ONLY(
+ switch (rts_argv[arg][2]) {
+ case '\0':
+ case 'C':
+ case 'c':
+ case 'M':
+ case 'm':
+ case 'D':
+ case 'd':
+ case 'Y':
+ case 'y':
+ case 'R':
+ case 'r':
+ case 'B':
+ case 'b':
+ if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
+ {
+ char *left = strchr(rts_argv[arg], '{');
+ char *right = strrchr(rts_argv[arg], '}');
+
+ // curly braces are optional, for
+ // backwards compat.
+ if (left)
+ left = left+1;
+ else
+ left = rts_argv[arg] + 3;
+
+ if (!right)
+ right = rts_argv[arg] + strlen(rts_argv[arg]);
+
+ *right = '\0';
+
+ switch (rts_argv[arg][2]) {
+ case 'c': // cost centre label select
+ RtsFlags.ProfFlags.ccSelector = left;
+ break;
+ case 'C':
+ RtsFlags.ProfFlags.ccsSelector = left;
+ break;
+ case 'M':
+ case 'm': // cost centre module select
+ RtsFlags.ProfFlags.modSelector = left;
+ break;
+ case 'D':
+ case 'd': // closure descr select
+ RtsFlags.ProfFlags.descrSelector = left;
+ break;
+ case 'Y':
+ case 'y': // closure type select
+ RtsFlags.ProfFlags.typeSelector = left;
+ break;
+ case 'R':
+ case 'r': // retainer select
+ RtsFlags.ProfFlags.retainerSelector = left;
+ break;
+ case 'B':
+ case 'b': // biography select
+ RtsFlags.ProfFlags.bioSelector = left;
+ break;
+ }
+ }
+ break;
+ }
+
+ if (RtsFlags.ProfFlags.doHeapProfile != 0) {
+ errorBelch("multiple heap profile options");
+ error = rtsTrue;
+ break;
+ }
+
+ switch (rts_argv[arg][2]) {
+ case '\0':
+ case 'C':
+ case 'c':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
+ break;
+ case 'M':
+ case 'm':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
+ break;
+ case 'D':
+ case 'd':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
+ break;
+ case 'Y':
+ case 'y':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
+ break;
+ case 'R':
+ case 'r':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
+ break;
+ case 'B':
+ case 'b':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
+ break;
+ }
+ break;
+
+ default:
+ errorBelch("invalid heap profile option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ }
+ )
+#endif /* PROFILING */
+ break;
+
+#if defined(PROFILING)
+ case 'i': /* heap sample interval */
+ if (rts_argv[arg][2] == '\0') {
+ /* use default */
+ } else {
+ I_ cst; /* tmp */
+
+ /* Convert to milliseconds */
+ cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
+ cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
+ if (cst != 0 && cst < CS_MIN_MILLISECS)
+ cst = CS_MIN_MILLISECS;
+
+ RtsFlags.ProfFlags.profileInterval = cst;
+ }
+ break;
+#endif
+
+ /* =========== CONCURRENT ========================= */
+ case 'C': /* context switch interval */
+ if (rts_argv[arg][2] == '\0')
+ RtsFlags.ConcFlags.ctxtSwitchTime = 0;
+ else {
+ I_ cst; /* tmp */
+
+ /* Convert to milliseconds */
+ cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
+ cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
+ if (cst != 0 && cst < CS_MIN_MILLISECS)
+ cst = CS_MIN_MILLISECS;
+
+ RtsFlags.ConcFlags.ctxtSwitchTime = cst;
+ }
+ break;
+
+#ifdef THREADED_RTS
+ case 'N':
+ THREADED_BUILD_ONLY(
+ if (rts_argv[arg][2] != '\0') {
+ RtsFlags.ParFlags.nNodes
+ = strtol(rts_argv[arg]+2, (char **) NULL, 10);
+ if (RtsFlags.ParFlags.nNodes <= 0) {
+ errorBelch("bad value for -N");
+ error = rtsTrue;
+ }
+ }
+ ) break;
+
+ case 'q':
+ switch (rts_argv[arg][2]) {
+ case '\0':
+ errorBelch("incomplete RTS option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ break;
+ case 'm':
+ RtsFlags.ParFlags.migrate = rtsFalse;
+ break;
+ case 'w':
+ RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
+ break;
+ default:
+ errorBelch("unknown RTS option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ break;
+ }
+ break;
+#endif
+ /* =========== PARALLEL =========================== */
+ case 'e':
+ PAR_OR_THREADED_BUILD_ONLY(
+ if (rts_argv[arg][2] != '\0') {
+ RtsFlags.ParFlags.maxLocalSparks
+ = strtol(rts_argv[arg]+2, (char **) NULL, 10);
+ if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
+ errorBelch("bad value for -e");
+ error = rtsTrue;
+ }
+ }
+ ) break;
+
+#ifdef PAR
+ case 'q':
+ PAR_BUILD_ONLY(
+ process_par_option(arg, rts_argc, rts_argv, &error);
+ ) break;
+#endif
+
+ /* =========== GRAN =============================== */
+
+ case 'b':
+ GRAN_BUILD_ONLY(
+ process_gran_option(arg, rts_argc, rts_argv, &error);
+ ) break;
+
+ /* =========== TICKY ============================== */
+
+ case 'r': /* Basic profiling stats */
+ TICKY_BUILD_ONLY(
+
+ RtsFlags.TickyFlags.showTickyStats = rtsTrue;
+
+ {
+ int r;
+ r = open_stats_file(arg, *argc, argv,
+ *rts_argc, rts_argv, TICKY_FILENAME_FMT,
+ &RtsFlags.TickyFlags.tickyFile);
+ if (r == -1) { error = rtsTrue; }
+ }
+ ) break;
+
+ /* =========== EXTENDED OPTIONS =================== */
+
+ case 'x': /* Extend the argument space */
+ switch(rts_argv[arg][2]) {
+ case '\0':
+ errorBelch("incomplete RTS option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ break;
+
+ case 'c': /* Debugging tool: show current cost centre on an exception */
+ PROFILING_BUILD_ONLY(
+ RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
+ );
+ break;
+
+ case 't': /* Include memory used by TSOs in a heap profile */
+ PROFILING_BUILD_ONLY(
+ RtsFlags.ProfFlags.includeTSOs = rtsTrue;
+ );
+ break;
+
+ /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
+
+ default:
+ errorBelch("unknown RTS option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ break;
+ }
+ break; /* defensive programming */
+
+ /* =========== OH DEAR ============================ */
+ default:
+ errorBelch("unknown RTS option: %s",rts_argv[arg]);
+ error = rtsTrue;
+ break;
+ }
+ }
+ }
+ if (error) {
+ const char **p;
+
+ fflush(stdout);
+ for (p = usage_text; *p; p++)
+ errorBelch("%s", *p);
+ stg_exit(EXIT_FAILURE);
+ }
+}
+
+#if defined(GRAN)
+
+//@node GranSim specific options, Aux fcts, Command-line option parsing routines
+//@subsection GranSim specific options
+
+static void
+enable_GranSimLight(void) {
+
+ debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
+ RtsFlags.GranFlags.Light=rtsTrue;
+ RtsFlags.GranFlags.Costs.latency =
+ RtsFlags.GranFlags.Costs.fetchtime =
+ RtsFlags.GranFlags.Costs.additional_latency =
+ RtsFlags.GranFlags.Costs.gunblocktime =
+ RtsFlags.GranFlags.Costs.lunblocktime =
+ RtsFlags.GranFlags.Costs.threadcreatetime =
+ RtsFlags.GranFlags.Costs.threadqueuetime =
+ RtsFlags.GranFlags.Costs.threadscheduletime =
+ RtsFlags.GranFlags.Costs.threaddescheduletime =
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
+
+ RtsFlags.GranFlags.Costs.mpacktime =
+ RtsFlags.GranFlags.Costs.munpacktime = 0;
+
+ RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
+ RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
+ RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
+ /* FetchStrategy is irrelevant in GrAnSim-Light */
+
+ /* GrAnSim Light often creates an abundance of parallel threads,
+ each with its own stack etc. Therefore, it's in general a good
+ idea to use small stack chunks (use the -o<size> option to
+ increase it again).
+ */
+ // RtsFlags.ConcFlags.stkChunkSize = 100;
+
+ RtsFlags.GranFlags.proc = 1;
+}
+
+static void
+process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
+{
+ if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
+ return;
+
+ /* or a ridiculously idealised simulator */
+ if(strcmp((rts_argv[arg]+2),"oring")==0) {
+ RtsFlags.GranFlags.Costs.latency =
+ RtsFlags.GranFlags.Costs.fetchtime =
+ RtsFlags.GranFlags.Costs.additional_latency =
+ RtsFlags.GranFlags.Costs.gunblocktime =
+ RtsFlags.GranFlags.Costs.lunblocktime =
+ RtsFlags.GranFlags.Costs.threadcreatetime =
+ RtsFlags.GranFlags.Costs.threadqueuetime =
+ RtsFlags.GranFlags.Costs.threadscheduletime =
+ RtsFlags.GranFlags.Costs.threaddescheduletime =
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
+
+ RtsFlags.GranFlags.Costs.mpacktime =
+ RtsFlags.GranFlags.Costs.munpacktime = 0;
+
+ RtsFlags.GranFlags.Costs.arith_cost =
+ RtsFlags.GranFlags.Costs.float_cost =
+ RtsFlags.GranFlags.Costs.load_cost =
+ RtsFlags.GranFlags.Costs.store_cost =
+ RtsFlags.GranFlags.Costs.branch_cost = 0;
+
+ RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
+
+ /* ++RtsFlags.GranFlags.DoFairSchedule; */
+ RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
+ RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
+ RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
+ return;
+ }
+
+ /* or a somewhat idealised simulator */
+ if(strcmp((rts_argv[arg]+2),"onzo")==0) {
+ RtsFlags.GranFlags.Costs.latency =
+ RtsFlags.GranFlags.Costs.fetchtime =
+ RtsFlags.GranFlags.Costs.additional_latency =
+ RtsFlags.GranFlags.Costs.gunblocktime =
+ RtsFlags.GranFlags.Costs.lunblocktime =
+ RtsFlags.GranFlags.Costs.threadcreatetime =
+ RtsFlags.GranFlags.Costs.threadqueuetime =
+ RtsFlags.GranFlags.Costs.threadscheduletime =
+ RtsFlags.GranFlags.Costs.threaddescheduletime =
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
+
+ RtsFlags.GranFlags.Costs.mpacktime =
+ RtsFlags.GranFlags.Costs.munpacktime = 0;
+
+ RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
+
+ /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
+ /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
+ RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
+ RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
+ RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
+# if defined(GRAN_CHECK) && defined(GRAN)
+ RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
+# endif
+ return;
+ }
+
+ /* Communication and task creation cost parameters */
+ switch(rts_argv[arg][2]) {
+ case '.':
+ IgnoreYields = rtsTrue; // HWL HACK
+ break;
+
+ case ':':
+ enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
+ break;
+
+ case 'l':
+ if (rts_argv[arg][3] != '\0')
+ {
+ RtsFlags.GranFlags.Costs.gunblocktime =
+ RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
+ RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
+ }
+ else
+ RtsFlags.GranFlags.Costs.latency = LATENCY;
+ break;
+
+ case 'a':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
+ break;
+
+ case 'm':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
+ break;
+
+ case 'x':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.mtidytime = 0;
+ break;
+
+ case 'r':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
+ break;
+
+ case 'g':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
+ break;
+
+ case 'n':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
+ break;
+
+ case 'u':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
+ break;
+
+ /* Thread-related metrics */
+ case 't':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
+ break;
+
+ case 'q':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
+ break;
+
+ case 'c':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
+
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
+ + RtsFlags.GranFlags.Costs.threaddescheduletime;
+ break;
+
+ case 'd':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
+
+ RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
+ + RtsFlags.GranFlags.Costs.threaddescheduletime;
+ break;
+
+ /* Instruction Cost Metrics */
+ case 'A':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
+ break;
+
+ case 'F':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
+ break;
+
+ case 'B':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
+ break;
+
+ case 'L':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
+ break;
+
+ case 'S':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
+ break;
+
+ case 'H':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
+ break;
+
+ case 'y':
+ RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.FetchStrategy = 2;
+ if (RtsFlags.GranFlags.FetchStrategy == 0)
+ RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
+ break;
+
+ case 'K': /* sort overhead (per elem in spark list) */
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
+ debugBelch("Overhead for pri spark: %d (per elem).\n",
+ RtsFlags.GranFlags.Costs.pri_spark_overhead);
+ break;
+
+ case 'O': /* sort overhead (per elem in spark list) */
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
+ debugBelch("Overhead for pri sched: %d (per elem).\n",
+ RtsFlags.GranFlags.Costs.pri_sched_overhead);
+ break;
+
+ /* General Parameters */
+ case 'p':
+ if (rts_argv[arg][3] != '\0')
+ {
+ RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
+ if (RtsFlags.GranFlags.proc==0) {
+ enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
+ } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
+ RtsFlags.GranFlags.proc < 1)
+ {
+ debugBelch("setupRtsFlags: no more than %u processors allowed\n",
+ MAX_PROC);
+ *error = rtsTrue;
+ }
+ }
+ else
+ RtsFlags.GranFlags.proc = MAX_PROC;
+ break;
+
+ case 'f':
+ RtsFlags.GranFlags.Fishing = rtsTrue;
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.maxFishes = MAX_FISHES;
+ break;
+
+ case 'w':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
+ break;
+
+ case 'C':
+ RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
+ RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
+ break;
+
+ case 'G':
+ debugBelch("Bulk fetching enabled.\n");
+ RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
+ break;
+
+ case 'M':
+ debugBelch("Thread migration enabled.\n");
+ RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
+ break;
+
+ case 'R':
+ debugBelch("Fair Scheduling enabled.\n");
+ RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
+ break;
+
+ case 'I':
+ debugBelch("Priority Scheduling enabled.\n");
+ RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
+ break;
+
+ case 'T':
+ RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
+ RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
+ break;
+
+ case 'Z':
+ RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
+ break;
+
+/* case 'z': */
+/* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
+/* break; */
+
+ case 'N':
+ RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
+ break;
+
+ case 'b':
+ RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
+ break;
+
+ case 'P':
+ /* format is -bP<c> where <c> is one char describing kind of profile */
+ RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
+ switch(rts_argv[arg][3]) {
+ case '\0': break; // nothing special, just an ordinary profile
+ case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
+ break;
+ case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
+ break;
+ case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
+ break;
+ case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
+ break;
+ case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
+ break;
+ case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
+ break;
+ default: barf("Unknown option -bP%c", rts_argv[arg][3]);
+ }
+ break;
+
+ case 's':
+ RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
+ break;
+
+ case 'h':
+ RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
+ break;
+
+ case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
+ if (rts_argv[arg][3] != '\0') {
+ char *arg0, *tmp;
+
+ arg0 = rts_argv[arg]+3;
+ if ((tmp = strstr(arg0,","))==NULL) {
+ RtsFlags.GranFlags.SparkPriority = decode(arg0);
+ debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
+ } else {
+ *(tmp++) = '\0';
+ RtsFlags.GranFlags.SparkPriority = decode(arg0);
+ RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
+ debugBelch("SparkPriority: %u.\n",
+ RtsFlags.GranFlags.SparkPriority);
+ debugBelch("SparkPriority2:%u.\n",
+ RtsFlags.GranFlags.SparkPriority2);
+ if (RtsFlags.GranFlags.SparkPriority2 <
+ RtsFlags.GranFlags.SparkPriority) {
+ debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
+ RtsFlags.GranFlags.SparkPriority2,
+ RtsFlags.GranFlags.SparkPriority);
+ }
+ }
+ } else {
+ /* plain pri spark is now invoked with -bX
+ RtsFlags.GranFlags.DoPrioritySparking = 1;
+ debugBelch("PrioritySparking.\n");
+ */
+ }
+ break;
+
+ case 'Q':
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
+ } else {
+ RtsFlags.GranFlags.ThunksToPack = 1;
+ }
+ debugBelch("Thunks To Pack in one packet: %u.\n",
+ RtsFlags.GranFlags.ThunksToPack);
+ break;
+
+ case 'e':
+ RtsFlags.GranFlags.RandomSteal = rtsFalse;
+ debugBelch("Deterministic mode (no random stealing)\n");
+ break;
+
+ /* The following class of options contains eXperimental */
+ /* features in connection with exploiting granularity */
+ /* information. I.e. if -bY is chosen these options */
+ /* tell the RTS what to do with the supplied info --HWL */
+
+ case 'W':
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
+ } else {
+ RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
+ }
+ debugBelch("Size of GranSim internal pack buffer: %u.\n",
+ RtsFlags.GranFlags.packBufferSize_internal);
+ break;
+
+ case 'X':
+ switch(rts_argv[arg][3]) {
+
+ case '\0':
+ RtsFlags.GranFlags.DoPrioritySparking = 1;
+ debugBelch("Priority Sparking with Normal Priorities.\n");
+ RtsFlags.GranFlags.InversePriorities = rtsFalse;
+ RtsFlags.GranFlags.RandomPriorities = rtsFalse;
+ RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
+ break;
+
+ case 'I':
+ RtsFlags.GranFlags.DoPrioritySparking = 1;
+ debugBelch("Priority Sparking with Inverse Priorities.\n");
+ RtsFlags.GranFlags.InversePriorities++;
+ break;
+
+ case 'R':
+ RtsFlags.GranFlags.DoPrioritySparking = 1;
+ debugBelch("Priority Sparking with Random Priorities.\n");
+ RtsFlags.GranFlags.RandomPriorities++;
+ break;
+
+ case 'N':
+ RtsFlags.GranFlags.DoPrioritySparking = 1;
+ debugBelch("Priority Sparking with No Priorities.\n");
+ RtsFlags.GranFlags.IgnorePriorities++;
+ break;
+
+ default:
+ bad_option( rts_argv[arg] );
+ break;
+ }
+ break;
+
+ case '-':
+ switch(rts_argv[arg][3]) {
+
+ case 'C':
+ RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
+ RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
+ break;
+
+ case 'G':
+ RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
+ break;
+
+ case 'M':
+ RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
+ break;
+
+ case 'R':
+ RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
+ break;
+
+ case 'T':
+ RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
+ RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
+ break;
+
+ case 'Z':
+ RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
+ break;
+
+ case 'N':
+ RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
+ break;
+
+ case 'P':
+ RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
+ break;
+
+ case 's':
+ RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
+ break;
+
+ case 'h':
+ RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
+ break;
+
+ case 'b':
+ RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
+ break;
+
+ case 'X':
+ RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
+ break;
+
+ case 'Y':
+ RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
+ RtsFlags.GranFlags.SparkPriority = rtsFalse;
+ break;
+
+ case 'I':
+ RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
+ break;
+
+ case 'e':
+ RtsFlags.GranFlags.RandomSteal = rtsFalse;
+ break;
+
+ default:
+ bad_option( rts_argv[arg] );
+ break;
+ }
+ break;
+
+# if defined(GRAN_CHECK) && defined(GRAN)
+ case 'D':
+ switch(rts_argv[arg][3]) {
+ case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
+ if (rts_argv[arg][4] != '\0') {
+ RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
+ debugBelch("Pack buffer size: %d\n",
+ RtsFlags.GranFlags.packBufferSize);
+ } else {
+ debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
+ *error = rtsTrue;
+ }
+ break;
+
+ default:
+ if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
+ /* hack warning: interpret the flags as a binary number */
+ nat n = decode(rts_argv[arg]+3);
+ set_GranSim_debug_options(n);
+ } else {
+ nat i;
+ for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
+ if (rts_argv[arg][3] == gran_debug_opts_flags[i])
+ break;
+
+ if (i==MAX_GRAN_DEBUG_OPTION+1) {
+ debugBelch("Valid GranSim debug options are:\n");
+ help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
+ bad_option( rts_argv[arg] );
+ } else { // flag found; now set it
+ set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
+ }
+ }
+ break;
+
+#if 0
+ case 'e': /* event trace; also -bD1 */
+ debugBelch("DEBUG: event_trace; printing event trace.\n");
+ RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
+ /* RtsFlags.GranFlags.event_trace=rtsTrue; */
+ break;
+
+ case 'E': /* event statistics; also -bD2 */
+ debugBelch("DEBUG: event_stats; printing event statistics.\n");
+ RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
+ /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
+ break;
+
+ case 'f': /* thunkStealing; also -bD4 */
+ debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
+ RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
+ /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
+ break;
+
+ case 'z': /* blockOnFetch; also -bD8 */
+ debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
+ RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
+ /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
+ break;
+
+ case 't': /* blockOnFetch_sanity; also -bD16 */
+ debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
+ RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
+ /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
+ break;
+
+ case 'S': /* priSpark; also -bD32 */
+ debugBelch("DEBUG: priSpark; priority sparking.\n");
+ RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
+ break;
+
+ case 's': /* priSched; also -bD64 */
+ debugBelch("DEBUG: priSched; priority scheduling.\n");
+ RtsFlags.GranFlags.Debug.priSched = rtsTrue;
+ break;
+
+ case 'F': /* findWork; also -bD128 */
+ debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
+ RtsFlags.GranFlags.Debug.findWork = rtsTrue;
+ break;
+
+ case 'g': /* globalBlock; also -bD256 */
+ debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
+ RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
+ break;
+
+ case 'G': /* pack; also -bD512 */
+ debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
+ RtsFlags.GranFlags.Debug.pack = rtsTrue;
+ break;
+
+ case 'P': /* packBuffer; also -bD1024 */
+ debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
+ RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
+ break;
+
+ case 'o': /* sortedQ; also -bD2048 */
+ debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
+ RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
+ break;
+
+ case 'r': /* randomSteal; also -bD4096 */
+ debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
+ RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
+ break;
+
+ case 'q': /* checkSparkQ; also -bD8192 */
+ debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
+ RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
+ break;
+
+ case ':': /* checkLight; also -bD16384 */
+ debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
+ RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
+ break;
+
+ case 'b': /* bq; also -bD32768 */
+ debugBelch("DEBUG: bq; check blocking queues\n");
+ RtsFlags.GranFlags.Debug.bq = rtsTrue;
+ break;
+
+ case 'd': /* all options turned on */
+ debugBelch("DEBUG: all options turned on.\n");
+ set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
+ /* RtsFlags.GranFlags.Debug |= 0x40; */
+ break;
+
+/* case '\0': */
+/* RtsFlags.GranFlags.Debug = 1; */
+/* break; */
+#endif
+
+ }
+ break;
+# endif /* GRAN_CHECK */
+ default:
+ bad_option( rts_argv[arg] );
+ break;
+ }
+}
+
+/*
+ Interpret n as a binary number masking GranSim debug options and set the
+ correxponding option. See gran_debug_opts_strs for explanations of the flags.
+*/
+static void
+set_GranSim_debug_options(nat n) {
+ nat i;
+
+ for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
+ if ((n>>i)&1) {
+ errorBelch(gran_debug_opts_strs[i]);
+ switch (i) {
+ case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
+ case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
+ case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
+ case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
+ case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
+ case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
+ case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
+ case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
+ case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
+ case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
+ case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
+ case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
+ case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
+ case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
+ case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
+ default: barf("set_GranSim_debug_options: only %d debug options expected");
+ } /* switch */
+ } /* if */
+}
+
+/*
+ Print one line explanation for each of the GranSim debug options specified
+ in the bitmask n.
+*/
+static void
+help_GranSim_debug_options(nat n) {
+ nat i;
+
+ for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
+ if ((n>>i)&1)
+ debugBelch(gran_debug_opts_strs[i]);
+}
+
+# elif defined(PAR)
+
+static void
+process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
+{
+
+ if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
+ errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
+ return;
+ }
+
+ /* Communication and task creation cost parameters */
+ switch(rts_argv[arg][2]) {
+ case 'e': /* -qe<n> ... allow <n> local sparks */
+ if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
+ RtsFlags.ParFlags.maxLocalSparks
+ = strtol(rts_argv[arg]+3, (char **) NULL, 10);
+
+ if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
+ errorBelch("setupRtsFlags: bad value for -e\n");
+ *error = rtsTrue;
+ }
+ }
+ IF_PAR_DEBUG(verbose,
+ errorBelch("-qe<n>: max %d local sparks",
+ RtsFlags.ParFlags.maxLocalSparks));
+ break;
+
+ case 't':
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.maxThreads
+ = strtol(rts_argv[arg]+3, (char **) NULL, 10);
+ } else {
+ errorBelch("missing size for -qt\n");
+ *error = rtsTrue;
+ }
+ IF_PAR_DEBUG(verbose,
+ errorBelch("-qt<n>: max %d threads",
+ RtsFlags.ParFlags.maxThreads));
+ break;
+
+ case 'f':
+ if (rts_argv[arg][3] != '\0')
+ RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
+ else
+ RtsFlags.ParFlags.maxFishes = MAX_FISHES;
+ break;
+ IF_PAR_DEBUG(verbose,
+ errorBelch("-qf<n>: max %d fishes sent out at one time",
+ RtsFlags.ParFlags.maxFishes));
+ break;
+
+ case 'F':
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.fishDelay
+ = strtol(rts_argv[arg]+3, (char **) NULL, 10);
+ } else {
+ errorBelch("missing fish delay time for -qF\n");
+ *error = rtsTrue;
+ }
+ IF_PAR_DEBUG(verbose,
+ errorBelch("-qF<n>: fish delay time %d us",
+ RtsFlags.ParFlags.fishDelay));
+ break;
+
+ case 'O':
+ RtsFlags.ParFlags.outputDisabled = rtsTrue;
+ IF_PAR_DEBUG(verbose,
+ errorBelch("-qO: output disabled"));
+ break;
+
+ case 'g': /* -qg<n> ... globalisation scheme */
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
+ } else {
+ errorBelch("missing identifier for globalisation scheme (for -qg)\n");
+ *error = rtsTrue;
+ }
+ IF_PAR_DEBUG(verbose,
+ debugBelch("-qg<n>: globalisation scheme set to %d",
+ RtsFlags.ParFlags.globalising));
+ break;
+
+ case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
+ } else {
+ errorBelch("missing number of thunks per packet (for -qh)\n");
+ *error = rtsTrue;
+ }
+ IF_PAR_DEBUG(verbose,
+ debugBelch("-qh<n>: thunks per packet set to %d",
+ RtsFlags.ParFlags.thunksToPack));
+ break;
+
+ case 'P': /* -qP for writing a log file */
+ //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
+ /* same encoding as in GranSim after -bP */
+ switch(rts_argv[arg][3]) {
+ case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
+ break; // nothing special, just an ordinary profile
+ case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
+ RtsFlags.ParFlags.ParStats.Full = rtsFalse;
+ break;
+ case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
+ break;
+ case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
+ break;
+ //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
+ // break;
+ case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
+ break;
+ case 'g':
+# if defined(PAR_TICKY)
+ RtsFlags.ParFlags.ParStats.Global = rtsTrue;
+# else
+ errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
+ stg_exit(EXIT_FAILURE);
+# endif
+ break;
+ default: barf("Unknown option -qP%c", rts_argv[arg][2]);
+ }
+ IF_PAR_DEBUG(verbose,
+ debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
+ (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
+ break;
+
+ case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
+ } else {
+ errorBelch("missing size of PackBuffer (for -qQ)\n");
+ *error = rtsTrue;
+ }
+ IF_PAR_DEBUG(verbose,
+ debugBelch("-qQ<n>: pack buffer size set to %d",
+ RtsFlags.ParFlags.packBufferSize));
+ break;
+
+ case 'R':
+ RtsFlags.ParFlags.doFairScheduling = rtsTrue;
+ IF_PAR_DEBUG(verbose,
+ debugBelch("-qR: fair-ish scheduling"));
+ break;
+
+# if defined(DEBUG)
+ case 'w':
+ if (rts_argv[arg][3] != '\0') {
+ RtsFlags.ParFlags.wait
+ = strtol(rts_argv[arg]+3, (char **) NULL, 10);
+ } else {
+ RtsFlags.ParFlags.wait = 1000;
+ }
+ IF_PAR_DEBUG(verbose,
+ debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
+ RtsFlags.ParFlags.wait));
+ break;
+
+ case 'D': /* -qD ... all the debugging options */
+ if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
+ /* hack warning: interpret the flags as a binary number */
+ nat n = decode(rts_argv[arg]+3);
+ set_par_debug_options(n);
+ } else {
+ nat i;
+ for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
+ if (rts_argv[arg][3] == par_debug_opts_flags[i])
+ break;
+
+ if (i==MAX_PAR_DEBUG_OPTION+1) {
+ errorBelch("Valid GUM debug options are:\n");
+ help_par_debug_options(MAX_PAR_DEBUG_MASK);
+ bad_option( rts_argv[arg] );
+ } else { // flag found; now set it
+ set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
+ }
+ }
+ break;
+# endif
+ default:
+ errorBelch("Unknown option -q%c (%d opts in total)",
+ rts_argv[arg][2], *rts_argc);
+ break;
+ } /* switch */
+}
+
+/*
+ Interpret n as a binary number masking Par debug options and set the
+ correxponding option. See par_debug_opts_strs for explanations of the flags.
+*/
+static void
+set_par_debug_options(nat n) {
+ nat i;
+
+ for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
+ if ((n>>i)&1) {
+ debugBelch(par_debug_opts_strs[i]);
+ switch (i) {
+ case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
+ case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
+ case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
+ case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
+ case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
+ case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
+ case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
+ //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
+ case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
+ case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
+ case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
+ case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
+ case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
+ default: barf("set_par_debug_options: only %d debug options expected",
+ MAX_PAR_DEBUG_OPTION);
+ } /* switch */
+ } /* if */
+}
+
+/*
+ Print one line explanation for each of the GranSim debug options specified
+ in the bitmask n.
+*/
+static void
+help_par_debug_options(nat n) {
+ nat i;
+
+ for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
+ if ((n>>i)&1)
+ debugBelch(par_debug_opts_strs[i]);
+}
+
+#endif /* PAR */
+
+//@node Aux fcts, , GranSim specific options
+//@subsection Aux fcts
+
+static void
+stats_fprintf(FILE *f, char *s, ...)
+{
+ va_list ap;
+ va_start(ap,s);
+ if (f == NULL) {
+ vdebugBelch(s, ap);
+ } else {
+ vfprintf(f, s, ap);
+ }
+ va_end(ap);
+}
+
+static int /* return -1 on error */
+open_stats_file (
+ I_ arg,
+ int argc, char *argv[],
+ int rts_argc, char *rts_argv[],
+ const char *FILENAME_FMT,
+ FILE **file_ret)
+{
+ FILE *f = NULL;
+
+ if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
+ f = NULL; /* NULL means use debugBelch */
+ } else {
+ if (rts_argv[arg][2] != '\0') { /* stats file specified */
+ f = fopen(rts_argv[arg]+2,"w");
+ } else {
+ char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
+ sprintf(stats_filename, FILENAME_FMT, argv[0]);
+ f = fopen(stats_filename,"w");
+ }
+ if (f == NULL) {
+ errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
+ return -1;
+ }
+ }
+ *file_ret = f;
+
+ {
+ /* Write argv and rtsv into start of stats file */
+ int count;
+ for(count = 0; count < argc; count++) {
+ stats_fprintf(f, "%s ", argv[count]);
+ }
+ stats_fprintf(f, "+RTS ");
+ for(count = 0; count < rts_argc; count++)
+ stats_fprintf(f, "%s ", rts_argv[count]);
+ stats_fprintf(f, "\n");
+ }
+ return 0;
+}
+
+
+
+static I_
+decode(const char *s)
+{
+ I_ c;
+ StgDouble m;
+
+ if (!*s)
+ return 0;
+
+ m = atof(s);
+ c = s[strlen(s)-1];
+
+ if (c == 'g' || c == 'G')
+ m *= 1000*1000*1000; /* UNchecked! */
+ else if (c == 'm' || c == 'M')
+ m *= 1000*1000; /* We do not use powers of 2 (1024) */
+ else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
+ m *= 1000; /* a direct-mapped cache. */
+ else if (c == 'w' || c == 'W')
+ m *= sizeof(W_);
+
+ return (I_)m;
+}
+
+static void
+bad_option(const char *s)
+{
+ errorBelch("bad RTS option: %s", s);
+ stg_exit(EXIT_FAILURE);
+}
+
+/* -----------------------------------------------------------------------------
+ Getting/Setting the program's arguments.
+
+ These are used by System.Environment, and parts of the RTS.
+ -------------------------------------------------------------------------- */
+
+void
+setProgName(char *argv[])
+{
+ /* Remove directory from argv[0] -- default files in current directory */
+#if !defined(mingw32_HOST_OS)
+ char *last_slash;
+ if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
+ prog_name = last_slash+1;
+ } else {
+ prog_name = argv[0];
+ }
+#else
+ char* last_slash = argv[0] + (strlen(argv[0]) - 1);
+ while ( last_slash > argv[0] ) {
+ if ( *last_slash == '/' || *last_slash == '\\' ) {
+ prog_name = last_slash+1;
+ return;
+ }
+ last_slash--;
+ }
+ prog_name = argv[0];
+#endif
+}
+
+void
+getProgArgv(int *argc, char **argv[])
+{
+ if (argc) { *argc = prog_argc; }
+ if (argv) { *argv = prog_argv; }
+}
+
+void
+setProgArgv(int argc, char *argv[])
+{
+ /* Usually this is done by startupHaskell, so we don't need to call this.
+ However, sometimes Hugs wants to change the arguments which Haskell
+ getArgs >>= ... will be fed. So you can do that by calling here
+ _after_ calling startupHaskell.
+ */
+ prog_argc = argc;
+ prog_argv = argv;
+ setProgName(prog_argv);
+}
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