+++ /dev/null
-%
-% (c) The GRASP/AQUA Project, Glasgow University, 1995
-%
-\section{Runtime-system runtime flags}
-
-Everything to do with RTS runtime flags, including RTS parameters
-that can be set by them, either directly or indirectly.
-
-@rtsFlags.lh@ defines the data structure that holds all of them.
-
-\begin{code}
-#include "rtsdefs.h"
-
-struct RTS_FLAGS RTSflags; /* actually declare the data structure */
-struct ALL_FLAGS AllFlags;
-
-/* some fwd decls */
-static I_ decode(const char *);
-static void bad_option(const char *);
-static FILE * open_stats_file (I_ arg,
- int argc, char *argv[], int rts_argc, char *rts_argv[],
- const char *FILENAME_FMT);
-#ifdef GRAN
-static void process_gran_option(int arg,
- int *rts_argc, char *rts_argv[], rtsBool *error);
-#endif
-
-/* extern decls */
-long strtol PROTO((const char *, char **, int));
-\end{code}
-
-%************************************************************************
-%* *
-\subsection{Initial default values for @RTSFlags@}
-%* *
-%************************************************************************
-
-\begin{code}
-void
-initRtsFlagsDefaults (STG_NO_ARGS)
-{
- RTSflags.GcFlags.statsFile = NULL;
- RTSflags.GcFlags.giveStats = NO_GC_STATS;
-
- RTSflags.GcFlags.stksSize = 0x10002; /* 2^16 = 16Kwords = 64Kbytes */
- RTSflags.GcFlags.heapSize = 0x100002; /* 2^20 = 1Mwords = 4Mbytes */
- RTSflags.GcFlags.allocAreaSize = 0x4002; /* 2^14 = 16Kwords = 64Kbytes;
- plus 2 cache-friendly words */
- RTSflags.GcFlags.allocAreaSizeGiven = rtsFalse;
- RTSflags.GcFlags.specifiedOldGenSize= 0; /* means: use all heap available */
- RTSflags.GcFlags.pcFreeHeap = 3; /* 3% */
- /* minAllocAreaSize is derived; set in initSM,
- after we know pcFreeHeap and heapSize */
-
- RTSflags.GcFlags.force2s = rtsFalse;
- RTSflags.GcFlags.forceGC = rtsFalse;
- RTSflags.GcFlags.forcingInterval = 5000000; /* 5MB (or words?) */
- RTSflags.GcFlags.ringBell = rtsFalse;
- RTSflags.GcFlags.trace = 0; /* not turned on */
-
- RTSflags.GcFlags.lazyBlackHoling = rtsTrue;
- RTSflags.GcFlags.doSelectorsAtGC = rtsTrue;
- RTSflags.GcFlags.squeezeUpdFrames = rtsTrue;
-
-#if defined(PROFILING) || defined(PAR)
- RTSflags.CcFlags.doCostCentres = 0;
- RTSflags.CcFlags.sortBy = SORTCC_TIME;
-
- /* "ctxtSwitchTicks", "profilerTicks", & "msecsPerTick" are
- derived info, so they are set after ctxtSwitchTime has been
- determined.
- */
-#endif /* PROFILING or PAR */
-
-#ifdef PROFILING
- RTSflags.ProfFlags.doHeapProfile = rtsFalse;
-
- RTSflags.ProfFlags.ccSelector = NULL;
- RTSflags.ProfFlags.modSelector = NULL;
- RTSflags.ProfFlags.grpSelector = NULL;
- RTSflags.ProfFlags.descrSelector = NULL;
- RTSflags.ProfFlags.typeSelector = NULL;
- RTSflags.ProfFlags.kindSelector = NULL;
-#endif /* PROFILING */
-/* there really shouldn't be a threads limit for concurrent mandatory threads.
- For now, unlimitied means less than 64k (there's a storage overhead) -- SOF
-*/
-#if defined(CONCURRENT) && !defined(GRAN)
- RTSflags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
- RTSflags.ConcFlags.maxThreads = 65536;
- RTSflags.ConcFlags.stkChunkSize = 1024;
- RTSflags.ConcFlags.maxLocalSparks = 65536;
-#endif /* CONCURRENT only */
-
-#ifdef GRAN
- RTSflags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
- RTSflags.ConcFlags.maxThreads = 32;
- RTSflags.ConcFlags.stkChunkSize = 1024;
- RTSflags.ConcFlags.maxLocalSparks = 500;
-#endif /* GRAN */
-
-#ifdef PAR
- RTSflags.ParFlags.parallelStats = rtsFalse;
- RTSflags.ParFlags.granSimStats = rtsFalse;
- RTSflags.ParFlags.granSimStats_Binary = rtsFalse;
-
- RTSflags.ParFlags.outputDisabled = rtsFalse;
-
- RTSflags.ParFlags.packBufferSize = 1024;
-#endif /* PAR */
-
-#ifdef GRAN
- RTSflags.GranFlags.granSimStats = rtsFalse;
- RTSflags.GranFlags.granSimStats_suppressed = rtsFalse;
- RTSflags.GranFlags.granSimStats_Binary = rtsFalse;
- RTSflags.GranFlags.granSimStats_Sparks = rtsFalse;
- RTSflags.GranFlags.granSimStats_Heap = rtsFalse;
- RTSflags.GranFlags.labelling = rtsFalse;
- RTSflags.GranFlags.packBufferSize = 1024;
- RTSflags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
-
- RTSflags.GranFlags.proc = MAX_PROC;
- RTSflags.GranFlags.max_fishes = MAX_FISHES;
- RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
- RTSflags.GranFlags.Light = rtsFalse;
-
- RTSflags.GranFlags.gran_latency = LATENCY;
- RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
- RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
- RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
- RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
- RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
- RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
- RTSflags.GranFlags.gran_mtidytime = MSGTIDYTIME;
-
- RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
- RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
- RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
- RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
- RTSflags.GranFlags.gran_threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
-
- RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
- RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
- RTSflags.GranFlags.gran_load_cost = LOAD_COST;
- RTSflags.GranFlags.gran_store_cost = STORE_COST;
- RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
-
- RTSflags.GranFlags.gran_heapalloc_cost = HEAPALLOC_COST;
-
- RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
- RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
-
- RTSflags.GranFlags.DoFairSchedule = rtsFalse;
- RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
- RTSflags.GranFlags.DoStealThreadsFirst = rtsFalse;
- RTSflags.GranFlags.SimplifiedFetch = rtsFalse;
- RTSflags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
- RTSflags.GranFlags.DoGUMMFetching = 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;
- RTSflags.GranFlags.NoForward = rtsFalse;
- RTSflags.GranFlags.PrintFetchMisses = rtsFalse;
-
- RTSflags.GranFlags.debug = 0x0;
- RTSflags.GranFlags.event_trace = rtsFalse;
- RTSflags.GranFlags.event_trace_all = rtsFalse;
-#endif
-
-#ifdef TICKY_TICKY
- RTSflags.TickyFlags.showTickyStats = rtsFalse;
- RTSflags.TickyFlags.tickyFile = NULL;
-
- AllFlags.doUpdEntryCounts = rtsTrue; /*ToDo:move? */
-#endif
-}
-\end{code}
-
-%************************************************************************
-%* *
-\subsection{Usage message for runtime-system (RTS) flags}
-%* *
-%************************************************************************
-
-\begin{code}
-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:",
-"",
-" -? -f Prints this message and exits; the program is not executed",
-"",
-" -K<size> Sets the stack size (default 64k) Egs: -K32k -K512k",
-" -H<size> Sets the heap size (default 4M) -H512k -H16M",
-" -s<file> Summary GC statistics (default file: <program>.stat)",
-" -S<file> Detailed GC statistics (with -Sstderr going to stderr)",
-"",
-#if defined(GCap)
-" -M<n>% Sets minimum size of alloc area as % of heap (default 3%)",
-" -A<size> Fixes size of alloc area, overriding any minimum (-A gives 64k)",
-" -G<size> Fixes size of major generation (default is dynamic threshold)",
-" -F2s Forces program compiled for Appel gc to use 2s collection",
-#else
-# if defined(GCgn)
-" -A<size> Specifies size of alloc area (default 64k)",
-" -G<size> Fixes size of major generation (default is available heap)",
-" -F2s Forces program compiled for Gen gc to use 2s collection",
-# else
-" -M<n>% Minimum % of heap which must be available (default 3%)",
-" -A<size> Fixes size of heap area allocated between GCs (-A gives 64k)",
-# endif
-#endif
-" -j<size> Forces major GC at every <size> bytes allocated",
-#if defined(GCdu)
-" -u<percent> Fixes residency threshold at which mode switches (range 0.0..0.95)",
-#endif
-"",
-" -N No black-holing during GC (for use when a signal handler is present)",
-" -Z Don't squeeze out update frames on stack overflow",
-" -B Sound the bell at the start of each (major) garbage collection",
-#if defined(PROFILING) || defined(PAR)
-"",
-" -p<sort> Produce cost centre time profile (output file <program>.prof)",
-" sort: T = time (default), A = alloc, C = cost centre label",
-" -P<sort> Produce serial time profile (output file <program>.time)",
-" and a -p profile with detailed tick/alloc info",
-# if defined(PROFILING)
-"",
-" -h<break-down> Heap residency profile (output file <program>.hp)",
-" break-down: C = cost centre (default), M = module, G = group",
-" D = closure description, Y = type description",
-" T<ints>,<start> = time closure created",
-" ints: no. of interval bands plotted (default 18)",
-" start: seconds after which intervals start (default 0.0)",
-" A subset of closures may be selected by the attached cost centre using:",
-" -c{mod:lab,mod:lab...}, specific module:label cost centre(s)",
-" -m{mod,mod...} all cost centres from the specified modules(s)",
-" -g{grp,grp...} all cost centres from the specified group(s)",
-" Selections can also be made by description, type, kind and age:",
-" -d{des,des...} closures with specified closure descriptions",
-" -y{typ,typ...} closures with specified type descriptions",
-" -k{knd,knd...} closures of the specified kinds",
-" -a<age> closures which survived <age> complete intervals",
-" The selection logic used is summarised as follows:",
-" ([-c] or [-m] or [-g]) and ([-d] or [-y] or [-k]) and [-a]",
-" where an option is true if not specified",
-# endif
-"",
-" -z<tbl><size> set hash table <size> for <tbl> (C, M, G, D or Y)",
-"",
-" -i<secs> Number of seconds in a profiling interval (default 1.0):",
-" heap profile (-h) and/or serial time profile (-P) frequency",
-#endif /* PROFILING or PAR */
-"",
-#if defined(TICKY_TICKY)
-" -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
-"",
-#endif
-" -T<level> Trace garbage collection execution (debugging)",
-#ifdef CONCURRENT
-"",
-# ifdef 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 .01 sec; resolution is .01 sec",
-" -e<size> Size of spark pools (default 100)",
-# ifdef PAR
-" -q Enable activity profile (output files in ~/<program>*.gr)",
-" -qb Enable binary activity profile (output file /tmp/<program>.gb)",
-" -Q<size> Set pack-buffer size (default: 1024)",
-# else
-" -q[v] Enable quasi-parallel profile (output file <program>.qp)",
-# endif
-" -t<num> Set maximum number of advisory threads per PE (default 32)",
-" -o<num> Set stack chunk size (default 1024)",
-# ifdef PAR
-" -d Turn on PVM-ish debugging",
-" -O Disable output for performance measurement",
-# endif /* PAR */
-# ifdef GRAN /* ToDo: fill in decent Docu here */
-" -b... All GranSim options start with -b; see GranSim User's Guide for details",
-# endif
-#endif /* CONCURRENT */
-"",
-"Other RTS options may be available for programs compiled a different way.",
-"The GHC User's Guide has full details.",
-"",
-0
-};
-\end{code}
-
-%************************************************************************
-%* *
-\subsection{Processing command-line arguments to set @RTSFlags@}
-%* *
-%************************************************************************
-
-\begin{code}
-#define RTS 1
-#define PGM 0
-
-#ifndef atof
-extern double atof();
-/* no proto because some machines use const and some do not */
-#endif
-
-static __inline__ rtsBool
-strequal(const char *a, const char * b)
-{
- return(strcmp(a, b) == 0);
-}
-
-void
-setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
-{
- rtsBool error = rtsFalse;
- I_ mode;
- I_ arg, total_arg;
- char *last_slash;
-
- /* Remove directory from argv[0] -- default files in current directory */
-
- if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
- strcpy(argv[0], last_slash+1);
-
- /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
- /* argv[0] must be PGM argument -- leave in argv */
-
- total_arg = *argc;
- arg = 1;
-
- *argc = 1;
- *rts_argc = 0;
-
- for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
- 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 {
- fflush(stdout);
- fprintf(stderr, "setupRtsFlags: Too many RTS arguments (max %d)\n",
- MAX_RTS_ARGS-1);
- EXIT(EXIT_FAILURE);
- }
- }
- if (arg < total_arg) {
- /* arg must be --RTS; process remaining program arguments */
- while (++arg < total_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);
- fprintf(stderr, "setupRtsFlags: Unexpected RTS argument: %s\n",
- 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.
- */
-
-#ifdef TICKY_TICKY
-# define TICKY_BUILD_ONLY(x) x
-#else
-# define TICKY_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: ticky-ticky stats\n"); \
-error = rtsTrue;
-#endif
-
-#if (defined(PROFILING) || defined(PAR))
-# define COST_CENTRE_USING_BUILD_ONLY(x) x
-#else
-# define COST_CENTRE_USING_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: -prof or -parallel\n"); \
-error = rtsTrue;
-#endif
-
-#ifdef PROFILING
-# define PROFILING_BUILD_ONLY(x) x
-#else
-# define PROFILING_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: -prof\n"); \
-error = rtsTrue;
-#endif
-
-#ifdef CONCURRENT
-# define CONCURRENT_BUILD_ONLY(x) x
-#else
-# define CONCURRENT_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: -concurrent\n"); \
-error = rtsTrue;
-#endif
-
-#ifdef PAR
-# define PAR_BUILD_ONLY(x) x
-#else
-# define PAR_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: -parallel\n"); \
-error = rtsTrue;
-#endif
-
-#ifdef GRAN
-# define GRAN_BUILD_ONLY(x) x
-#else
-# define GRAN_BUILD_ONLY(x) \
-fprintf(stderr, "setupRtsFlags: GHC not built for: -gransim\n"); \
-error = rtsTrue;
-#endif
-
- /* =========== GENERAL ========================== */
- case '?':
- case 'f':
- error = rtsTrue;
- break;
-
- case 'A':
- RTSflags.GcFlags.allocAreaSize
- = decode(rts_argv[arg]+2) / sizeof(W_);
- RTSflags.GcFlags.allocAreaSizeGiven = rtsTrue;
- break;
-
- case 'B':
- RTSflags.GcFlags.ringBell = rtsTrue;
- break;
-
- case 'F':
- if (strequal(rts_argv[arg]+2, "2s")) {
- RTSflags.GcFlags.force2s = rtsTrue;
- } else {
- bad_option( rts_argv[arg] );
- }
- break;
-
- case 'G':
- RTSflags.GcFlags.specifiedOldGenSize
- = decode(rts_argv[arg]+2) / sizeof(W_);
- break;
-
- case 'K':
- RTSflags.GcFlags.stksSize = decode(rts_argv[arg]+2) / sizeof(W_);
-
- if (RTSflags.GcFlags.stksSize == 0) bad_option( rts_argv[arg] );
- break;
-
- case 'H':
- RTSflags.GcFlags.heapSize = decode(rts_argv[arg]+2) / sizeof(W_);
- /* user give size in *bytes* but "heapSize" is in *words* */
-
- if (RTSflags.GcFlags.heapSize <= 0) bad_option(rts_argv[arg]);
- break;
-
- case 'j': /* force GC option */
- RTSflags.GcFlags.forceGC = rtsTrue;
- if (rts_argv[arg][2]) {
- RTSflags.GcFlags.forcingInterval
- = decode(rts_argv[arg]+2) / sizeof(W_);
- }
- 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 'N':
- RTSflags.GcFlags.lazyBlackHoling = rtsFalse;
- break;
-
- case 'n':
- RTSflags.GcFlags.doSelectorsAtGC = rtsFalse;
- break;
-
- case 'S': /* NB: no difference at present ! */
- case 's':
- RTSflags.GcFlags.giveStats ++; /* will be VERBOSE_GC_STATS */
-#ifdef PAR
- /* Opening all those files would almost certainly fail... */
- RTSflags.ParFlags.parallelStats = rtsTrue;
- RTSflags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
-#else
- RTSflags.GcFlags.statsFile
- = open_stats_file(arg, *argc, argv,
- *rts_argc, rts_argv, STAT_FILENAME_FMT);
-
- if (RTSflags.GcFlags.statsFile == NULL) error = rtsTrue;
-#endif
- break;
-
- case 'T':
- if (rts_argv[arg][2] != '\0')
- RTSflags.GcFlags.trace
- = (W_) strtol(rts_argv[arg]+2, (char **)NULL, 0);
- else
- RTSflags.GcFlags.trace = 1; /* slightly weird; why, really? */
- break;
-
- case 'Z':
- RTSflags.GcFlags.squeezeUpdFrames = rtsFalse;
- break;
-
- /* =========== PROFILING ========================== */
-
- case 'P': /* detailed cost centre profiling (time/alloc) */
- COST_CENTRE_USING_BUILD_ONLY(
- RTSflags.CcFlags.doCostCentres++;
- )
- case 'p': /* cost centre profiling (time/alloc) */
- COST_CENTRE_USING_BUILD_ONLY(
- RTSflags.CcFlags.doCostCentres++;
-
- switch (rts_argv[arg][2]) {
- case SORTCC_LABEL:
- case SORTCC_TIME:
- case SORTCC_ALLOC:
- RTSflags.CcFlags.sortBy = rts_argv[arg][2];
- break;
- default:
- RTSflags.CcFlags.sortBy = SORTCC_TIME;
- break;
- }
- ) break;
-
- case 'i': /* serial profiling -- initial timer interval */
- COST_CENTRE_USING_BUILD_ONLY(
- interval_ticks = (I_) ((atof(rts_argv[arg]+2) * TICK_FREQUENCY));
- if (interval_ticks <= 0)
- interval_ticks = 1;
- ) break;
-
- case 'h': /* serial heap profile */
- PROFILING_BUILD_ONLY(
- switch (rts_argv[arg][2]) {
- case '\0':
- case CCchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_CC;
- break;
- case MODchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
- break;
- case GRPchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_GRP;
- break;
- case DESCRchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
- break;
- case TYPEchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
- break;
- case TIMEchar:
- RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TIME;
- if (rts_argv[arg][3]) {
- char *start_str = strchr(rts_argv[arg]+3, ',');
- I_ intervals;
- if (start_str) *start_str = '\0';
-
- if ((intervals = decode(rts_argv[arg]+3)) != 0) {
- time_intervals = (hash_t) intervals;
- /* ToDo: and what if it *is* zero intervals??? */
- }
- if (start_str) {
- earlier_ticks = (I_)((atof(start_str + 1) * TICK_FREQUENCY));
- }
- }
- break;
- default:
- fprintf(stderr, "Invalid heap profile option: %s\n",
- rts_argv[arg]);
- error = rtsTrue;
- }
- ) break;
-
- case 'z': /* size of index tables */
- PROFILING_BUILD_ONLY(
- switch (rts_argv[arg][2]) {
- case CCchar:
- max_cc_no = (hash_t) decode(rts_argv[arg]+3);
- if (max_cc_no == 0) {
- fprintf(stderr, "Bad number of cost centres %s\n", rts_argv[arg]);
- error = rtsTrue;
- }
- break;
- case MODchar:
- max_mod_no = (hash_t) decode(rts_argv[arg]+3);
- if (max_mod_no == 0) {
- fprintf(stderr, "Bad number of modules %s\n", rts_argv[arg]);
- error = rtsTrue;
- }
- break;
- case GRPchar:
- max_grp_no = (hash_t) decode(rts_argv[arg]+3);
- if (max_grp_no == 0) {
- fprintf(stderr, "Bad number of groups %s\n", rts_argv[arg]);
- error = rtsTrue;
- }
- break;
- case DESCRchar:
- max_descr_no = (hash_t) decode(rts_argv[arg]+3);
- if (max_descr_no == 0) {
- fprintf(stderr, "Bad number of closure descriptions %s\n", rts_argv[arg]);
- error = rtsTrue;
- }
- break;
- case TYPEchar:
- max_type_no = (hash_t) decode(rts_argv[arg]+3);
- if (max_type_no == 0) {
- fprintf(stderr, "Bad number of type descriptions %s\n", rts_argv[arg]);
- error = rtsTrue;
- }
- break;
- default:
- fprintf(stderr, "Invalid index table size option: %s\n",
- rts_argv[arg]);
- error = rtsTrue;
- }
- ) break;
-
- case 'c': /* cost centre label select */
- case 'm': /* cost centre module select */
- case 'g': /* cost centre group select */
- case 'd': /* closure descr select */
- case 'y': /* closure type select */
- case 'k': /* closure kind select */
- PROFILING_BUILD_ONLY(
- {char *left = strchr(rts_argv[arg], '{');
- char *right = strrchr(rts_argv[arg], '}');
-
- if (! left || ! right ||
- strrchr(rts_argv[arg], '{') != left ||
- strchr(rts_argv[arg], '}') != right) {
- fprintf(stderr, "Invalid heap profiling selection bracketing\n %s\n", rts_argv[arg]);
- error = rtsTrue;
- } else {
- *right = '\0';
- switch (rts_argv[arg][1]) {
- case 'c': /* cost centre label select */
- RTSflags.ProfFlags.ccSelector = left + 1;
- break;
- case 'm': /* cost centre module select */
- RTSflags.ProfFlags.modSelector = left + 1;
- break;
- case 'g': /* cost centre group select */
- RTSflags.ProfFlags.grpSelector = left + 1;
- break;
- case 'd': /* closure descr select */
- RTSflags.ProfFlags.descrSelector = left + 1;
- break;
- case 'y': /* closure type select */
- RTSflags.ProfFlags.typeSelector = left + 1;
- break;
- case 'k': /* closure kind select */
- RTSflags.ProfFlags.kindSelector = left + 1;
- break;
- }
- }}
- ) break;
-
- /* =========== CONCURRENT ========================= */
- case 'C': /* context switch interval */
- CONCURRENT_BUILD_ONLY (
- 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 < CS_MIN_MILLISECS)
- cst = CS_MIN_MILLISECS;
-
- RTSflags.ConcFlags.ctxtSwitchTime = cst;
- }
- ) break;
-
- case 't':
- CONCURRENT_BUILD_ONLY(
- if (rts_argv[arg][2] != '\0') {
- RTSflags.ConcFlags.maxThreads
- = strtol(rts_argv[arg]+2, (char **) NULL, 10);
- } else {
- fprintf(stderr, "setupRtsFlags: missing size for -t\n");
- error = rtsTrue;
- }
- ) break;
-
- case 'o':
- CONCURRENT_BUILD_ONLY (
- if (rts_argv[arg][2] != '\0') {
- I_ size = decode(rts_argv[arg]+2);
-
- if (size < MIN_STKO_CHUNK_SIZE)
- size = MIN_STKO_CHUNK_SIZE;
-
- RTSflags.ConcFlags.stkChunkSize = size;
- } else {
- fprintf(stderr, "setupRtsFlags: missing size for -o\n");
- error = rtsTrue;
- }
- ) break;
-
- /* =========== PARALLEL =========================== */
- case 'e':
- CONCURRENT_BUILD_ONLY(
- if (rts_argv[arg][2] != '\0') { /* otherwise, stick w/ the default */
-
- RTSflags.ConcFlags.maxLocalSparks
- = strtol(rts_argv[arg]+2, (char **) NULL, 10);
-
- if (RTSflags.ConcFlags.maxLocalSparks <= 0) {
- fprintf(stderr, "setupRtsFlags: bad value for -e\n");
- error = rtsTrue;
- }
- }
- ) break;
-
- case 'O':
- PAR_BUILD_ONLY(
- RTSflags.ParFlags.outputDisabled = rtsTrue;
- ) break;
-
- case 'q': /* activity profile option */
- PAR_BUILD_ONLY(
- if (rts_argv[arg][2] == 'b')
- RTSflags.ParFlags.granSimStats_Binary = rtsTrue;
- else
- RTSflags.ParFlags.granSimStats = rtsTrue;
- ) break;
-
-#if 0 /* or??? */
- case 'q': /* quasi-parallel profile option */
- GRAN_BUILD_ONLY (
- if (rts_argv[arg][2] == 'v')
- do_qp_prof = 2;
- else
- do_qp_prof++;
- ) break;
-#endif /* 0??? */
-
- case 'Q': /* Set pack buffer size */
- PAR_BUILD_ONLY(
- if (rts_argv[arg][2] != '\0') {
- RTSflags.ParFlags.packBufferSize = decode(rts_argv[arg]+2);
- } else {
- fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
- error = rtsTrue;
- }
- ) break;
-
- /* =========== 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;
- RTSflags.TickyFlags.tickyFile
- = open_stats_file(arg, *argc, argv,
- *rts_argc, rts_argv, TICKY_FILENAME_FMT);
-
- if (RTSflags.TickyFlags.tickyFile == NULL) error = rtsTrue;
- ) break;
-
- /* =========== OH DEAR ============================ */
- default:
- fprintf(stderr, "setupRtsFlags: Unknown RTS option: %s\n",rts_argv[arg]);
- error = rtsTrue;
- break;
- }
- }
- }
- if (error) {
- const char **p;
-
- fflush(stdout);
- for (p = usage_text; *p; p++)
- fprintf(stderr, "%s\n", *p);
- EXIT(EXIT_FAILURE);
- }
-
-}
-
-#if defined(GRAN)
-void
-enable_GrAnSimLight() {
-
- fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
- RTSflags.GranFlags.Light=rtsTrue;
- RTSflags.GranFlags.gran_latency =
- RTSflags.GranFlags.gran_fetchtime =
- RTSflags.GranFlags.gran_additional_latency =
- RTSflags.GranFlags.gran_gunblocktime =
- RTSflags.GranFlags.gran_lunblocktime =
- RTSflags.GranFlags.gran_threadcreatetime =
- RTSflags.GranFlags.gran_threadqueuetime =
- RTSflags.GranFlags.gran_threadscheduletime =
- RTSflags.GranFlags.gran_threaddescheduletime =
- RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
-
- RTSflags.GranFlags.gran_mpacktime =
- RTSflags.GranFlags.gran_munpacktime = 0;
-
- RTSflags.GranFlags.DoFairSchedule = rtsTrue;
- RTSflags.GranFlags.DoReScheduleOnFetch = 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;
-
- /* Should we emulate hbcpp */
- if(strcmp((rts_argv[arg]+2),"roken")==0) {
- RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
- strcpy(rts_argv[arg]+2,"oring");
- }
-
- /* or a ridiculously idealised simulator */
- if(strcmp((rts_argv[arg]+2),"oring")==0) {
- RTSflags.GranFlags.gran_latency =
- RTSflags.GranFlags.gran_fetchtime =
- RTSflags.GranFlags.gran_additional_latency =
- RTSflags.GranFlags.gran_gunblocktime =
- RTSflags.GranFlags.gran_lunblocktime =
- RTSflags.GranFlags.gran_threadcreatetime =
- RTSflags.GranFlags.gran_threadqueuetime =
- RTSflags.GranFlags.gran_threadscheduletime =
- RTSflags.GranFlags.gran_threaddescheduletime =
- RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
-
- RTSflags.GranFlags.gran_mpacktime =
- RTSflags.GranFlags.gran_munpacktime = 0;
-
- RTSflags.GranFlags.gran_arith_cost =
- RTSflags.GranFlags.gran_float_cost =
- RTSflags.GranFlags.gran_load_cost =
- RTSflags.GranFlags.gran_store_cost =
- RTSflags.GranFlags.gran_branch_cost = 0;
-
- RTSflags.GranFlags.gran_heapalloc_cost = 1;
-
- /* ++RTSflags.GranFlags.DoFairSchedule; */
- RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
- RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
- RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
- return;
- }
-
- /* or a somewhat idealised simulator */
- if(strcmp((rts_argv[arg]+2),"onzo")==0) {
- RTSflags.GranFlags.gran_latency =
- RTSflags.GranFlags.gran_fetchtime =
- RTSflags.GranFlags.gran_additional_latency =
- RTSflags.GranFlags.gran_gunblocktime =
- RTSflags.GranFlags.gran_lunblocktime =
- RTSflags.GranFlags.gran_threadcreatetime =
- RTSflags.GranFlags.gran_threadqueuetime =
- RTSflags.GranFlags.gran_threadscheduletime =
- RTSflags.GranFlags.gran_threaddescheduletime =
- RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
-
- RTSflags.GranFlags.gran_mpacktime =
- RTSflags.GranFlags.gran_munpacktime = 0;
-
- RTSflags.GranFlags.gran_heapalloc_cost = 1;
-
- /* RTSflags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
- /* RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
- RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue; /* -bZ */
- RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
- RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
-# if defined(GRAN_CHECK) && defined(GRAN)
- RTSflags.GranFlags.debug = 0x20; /* print event statistics */
-# endif
- return;
- }
-
- /* Communication and task creation cost parameters */
- switch(rts_argv[arg][2]) {
- case ':':
- enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
- break;
-
- case 'l':
- if (rts_argv[arg][3] != '\0')
- {
- RTSflags.GranFlags.gran_gunblocktime =
- RTSflags.GranFlags.gran_latency = decode(rts_argv[arg]+3);
- RTSflags.GranFlags.gran_fetchtime = 2*RTSflags.GranFlags.gran_latency;
- }
- else
- RTSflags.GranFlags.gran_latency = LATENCY;
- break;
-
- case 'a':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_additional_latency = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
- break;
-
- case 'm':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_mpacktime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
- break;
-
- case 'x':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_mtidytime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_mtidytime = 0;
- break;
-
- case 'r':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_munpacktime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
- break;
-
- case 'g':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_fetchtime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
- break;
-
- case 'n':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_gunblocktime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
- break;
-
- case 'u':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_lunblocktime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
- break;
-
- /* Thread-related metrics */
- case 't':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_threadcreatetime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
- break;
-
- case 'q':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_threadqueuetime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
- break;
-
- case 'c':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_threadscheduletime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
-
- RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
- + RTSflags.GranFlags.gran_threaddescheduletime;
- break;
-
- case 'd':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_threaddescheduletime = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
-
- RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
- + RTSflags.GranFlags.gran_threaddescheduletime;
- break;
-
- /* Instruction Cost Metrics */
- case 'A':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_arith_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
- break;
-
- case 'F':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_float_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
- break;
-
- case 'B':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_branch_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
- break;
-
- case 'L':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_load_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_load_cost = LOAD_COST;
- break;
-
- case 'S':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_store_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_store_cost = STORE_COST;
- break;
-
- case 'H':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_heapalloc_cost = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_heapalloc_cost = 0;
- break;
-
- case 'y':
- RTSflags.GranFlags.DoReScheduleOnFetch = 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.DoReScheduleOnFetch = rtsFalse;
- break;
-
- case 'K': /* sort overhead (per elem in spark list) */
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_pri_spark_overhead = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
- fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
- RTSflags.GranFlags.gran_pri_spark_overhead);
- break;
-
- case 'O': /* sort overhead (per elem in spark list) */
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.gran_pri_sched_overhead = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
- fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
- RTSflags.GranFlags.gran_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)
- {
- fprintf(stderr,"setupRtsFlags: no more than %u processors
-allowed\n",
- MAX_PROC);
- *error = rtsTrue;
- }
- }
- else
- RTSflags.GranFlags.proc = MAX_PROC;
- break;
-
- case 'f':
- if (rts_argv[arg][3] != '\0')
- RTSflags.GranFlags.max_fishes = decode(rts_argv[arg]+3);
- else
- RTSflags.GranFlags.max_fishes = 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':
- fprintf(stderr,"Bulk fetching enabled.\n");
- RTSflags.GranFlags.DoGUMMFetching=rtsTrue;
- break;
-
- case 'M':
- fprintf(stderr,"Thread migration enabled.\n");
- RTSflags.GranFlags.DoThreadMigration=rtsTrue;
- break;
-
- case 'R':
- fprintf(stderr,"Fair Scheduling enabled.\n");
- RTSflags.GranFlags.DoFairSchedule=rtsTrue;
- break;
-
- case 'I':
- fprintf(stderr,"Priority Scheduling enabled.\n");
- RTSflags.GranFlags.DoPriorityScheduling=rtsTrue;
- break;
-
- case 'T':
- RTSflags.GranFlags.DoStealThreadsFirst=rtsTrue;
- RTSflags.GranFlags.DoThreadMigration=rtsTrue;
- break;
-
- case 'Z':
- RTSflags.GranFlags.DoReScheduleOnFetch=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':
- RTSflags.GranFlags.granSimStats=rtsTrue;
- break;
-
- case 's':
- RTSflags.GranFlags.granSimStats_Sparks=rtsTrue;
- break;
-
- case 'h':
- RTSflags.GranFlags.granSimStats_Heap=rtsTrue;
- break;
-
- case 'U':
- RTSflags.GranFlags.labelling=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);
- fprintf(stderr,"SparkPriority: %u.\n",RTSflags.GranFlags.SparkPriority);
- } else {
- *(tmp++) = '\0';
- RTSflags.GranFlags.SparkPriority = decode(arg0);
- RTSflags.GranFlags.SparkPriority2 = decode(tmp);
- fprintf(stderr,"SparkPriority: %u.\n",
- RTSflags.GranFlags.SparkPriority);
- fprintf(stderr,"SparkPriority2:%u.\n",
- RTSflags.GranFlags.SparkPriority2);
- if (RTSflags.GranFlags.SparkPriority2 <
- RTSflags.GranFlags.SparkPriority) {
- fprintf(stderr,"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;
- fprintf(stderr,"PrioritySparking.\n");
- */
- }
- break;
-
- case 'Q':
- if (rts_argv[arg][3] != '\0') {
- RTSflags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
- } else {
- RTSflags.GranFlags.ThunksToPack = 1;
- }
- fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
- RTSflags.GranFlags.ThunksToPack);
- break;
-
- case 'e':
- RTSflags.GranFlags.RandomSteal = rtsFalse;
- fprintf(stderr,"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;
- }
- fprintf(stderr,"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;
- fprintf(stderr,"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;
- fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
- RTSflags.GranFlags.InversePriorities++;
- break;
-
- case 'R':
- RTSflags.GranFlags.DoPrioritySparking = 1;
- fprintf(stderr,"Priority Sparking with Random Priorities.\n");
- RTSflags.GranFlags.RandomPriorities++;
- break;
-
- case 'N':
- RTSflags.GranFlags.DoPrioritySparking = 1;
- fprintf(stderr,"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.DoGUMMFetching=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.DoReScheduleOnFetch=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);
- fprintf(stderr,"Pack buffer size: %d\n",
- RTSflags.GranFlags.packBufferSize);
- } else {
- fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
- error = rtsTrue;
- }
- break;
-
- case 'e': /* event trace */
- fprintf(stderr,"Printing event trace.\n");
- RTSflags.GranFlags.event_trace=rtsTrue;
- break;
-
- case 'f':
- fprintf(stderr,"Printing forwarding of FETCHNODES.\n");
- RTSflags.GranFlags.debug |= 0x2; /* print fwd messages */
- break;
-
- case 'z':
- fprintf(stderr,"Check for blocked on fetch.\n");
- RTSflags.GranFlags.debug |= 0x4; /* debug non-reschedule-on-fetch */
- break;
-
- case 't':
- fprintf(stderr,"Check for TSO asleep on fetch.\n");
- RTSflags.GranFlags.debug |= 0x10; /* debug TSO asleep for fetch */
- break;
-
- case 'E':
- fprintf(stderr,"Printing event statistics.\n");
- RTSflags.GranFlags.debug |= 0x20; /* print event statistics */
- break;
-
- case 'F':
- fprintf(stderr,"Prohibiting forward.\n");
- RTSflags.GranFlags.NoForward = rtsTrue; /* prohibit forwarding */
- break;
-
- case 'm':
- fprintf(stderr,"Printing fetch misses.\n");
- RTSflags.GranFlags.PrintFetchMisses = rtsTrue; /* prohibit forwarding */
- break;
-
- case 'd':
- fprintf(stderr,"Debug mode.\n");
- RTSflags.GranFlags.debug |= 0x40;
- break;
-
- case 'D':
- fprintf(stderr,"Severe debug mode.\n");
- RTSflags.GranFlags.debug |= 0x80;
- break;
-
- case 'q':
- fprintf(stderr,"FULL event trace.\n");
- RTSflags.GranFlags.event_trace_all =rtsTrue;
- break;
-
- case 'G':
- fprintf(stderr,"Debugging packet fetching.\n");
- RTSflags.GranFlags.debug |= 0x100;
- break;
-
- case 'n':
- fprintf(stderr,"Ignore events till end of time slice\n");
- RTSflags.GranFlags.debug |= 0x200;
- IgnoreEvents = rtsTrue;
- break;
-
- case 'S':
- fprintf(stderr,"Check that spark queues are sorted.\n");
- RTSflags.GranFlags.debug |= 0x400;
- break;
-
- case 'H':
- fprintf(stderr,"Print heap allocation messages (RBH).\n");
- RTSflags.GranFlags.debug |= 0x800;
- break;
-
- case 'p':
- fprintf(stderr,"Debug breadth-first pruning.\n");
- RTSflags.GranFlags.debug |= 0x1000;
- break;
-
- case 'r':
- fprintf(stderr,"Debug random stealing.\n");
- RTSflags.GranFlags.debug |= 0x2000;
- break;
-
- case 'B':
- fprintf(stderr,"Debug busyness.\n");
- RTSflags.GranFlags.debug |= 0x4000;
- break;
-
- case 'P':
- fprintf(stderr,"Debug pack buffer handling.\n");
- RTSflags.GranFlags.debug |= 0x8000;
- break;
-
- case 's':
- fprintf(stderr,"Debug spark-queue manipulations.\n");
- RTSflags.GranFlags.debug |= 0x10000;
- break;
-
- case ':':
- fprintf(stderr,"Debug GrAnSim Light.\n");
- RTSflags.GranFlags.debug |= 0x20000;
- break;
-
- case '\0':
- RTSflags.GranFlags.debug = 1;
- break;
-
- default:
- bad_option( rts_argv[arg] );
- break;
- }
- break;
-# endif /* GRAN_CHECK */
- default:
- bad_option( rts_argv[arg] );
- break;
- }
-}
-#endif /* GRAN */
-\end{code}
-
-%************************************************************************
-%* *
-\subsection{Profiling RTS Arguments}
-%* *
-%************************************************************************
-
-\begin{code}
-I_ MaxResidency = 0; /* in words; for stats only */
-I_ ResidencySamples = 0; /* for stats only */
-
-void
-initSM(void)
-{
- RTSflags.GcFlags.minAllocAreaSize
- = (I_) (RTSflags.GcFlags.heapSize * RTSflags.GcFlags.pcFreeHeap / 100);
- /*
- This needs to be here, in case the user changed some of these
- values with a "hook".
- */
-}
-\end{code}
-
-%************************************************************************
-%* *
-\subsection{Utility bits}
-%* *
-%************************************************************************
-
-\begin{code}
-static FILE * /* return NULL on error */
-open_stats_file (
- I_ arg,
- int argc, char *argv[],
- int rts_argc, char *rts_argv[],
- const char *FILENAME_FMT)
-{
- FILE *f = NULL;
-
- if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
- f = stderr;
- 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) {
- fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
- } else {
- /* Write argv and rtsv into start of stats file */
- I_ count;
- for(count = 0; count < argc; count++)
- fprintf(f, "%s ", argv[count]);
- fprintf(f, "+RTS ");
- for(count = 0; count < rts_argc; count++)
- fprintf(f, "%s ", rts_argv[count]);
- fprintf(f, "\n");
- }
-
- return(f);
-}
-
-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)
-{
- fflush(stdout);
- fprintf(stderr, "initSM: Bad RTS option: %s\n", s);
- EXIT(EXIT_FAILURE);
-}
-\end{code}
projects / ghc-hetmet.git / blobdiff