2 % (c) The GRASP/AQUA Project, Glasgow University, 1995
4 \section{Runtime-system runtime flags}
6 Everything to do with RTS runtime flags, including RTS parameters
7 that can be set by them, either directly or indirectly.
9 @rtsFlags.lh@ defines the data structure that holds all of them.
14 struct RTS_FLAGS RTSflags; /* actually declare the data structure */
15 struct ALL_FLAGS AllFlags;
18 static I_ decode(const char *);
19 static void bad_option(const char *);
20 static FILE * open_stats_file (I_ arg,
21 int argc, char *argv[], int rts_argc, char *rts_argv[],
22 const char *FILENAME_FMT);
24 static void process_gran_option(int arg,
25 int *rts_argc, char *rts_argv[], rtsBool *error);
29 long strtol PROTO((const char *, char **, int));
32 %************************************************************************
34 \subsection{Initial default values for @RTSFlags@}
36 %************************************************************************
40 initRtsFlagsDefaults (STG_NO_ARGS)
42 RTSflags.GcFlags.statsFile = NULL;
43 RTSflags.GcFlags.giveStats = NO_GC_STATS;
45 RTSflags.GcFlags.stksSize = 0x10002; /* 2^16 = 16Kwords = 64Kbytes */
46 RTSflags.GcFlags.heapSize = 0x100002; /* 2^20 = 1Mwords = 4Mbytes */
47 RTSflags.GcFlags.allocAreaSize = 0x4002; /* 2^14 = 16Kwords = 64Kbytes;
48 plus 2 cache-friendly words */
49 RTSflags.GcFlags.allocAreaSizeGiven = rtsFalse;
50 RTSflags.GcFlags.specifiedOldGenSize= 0; /* means: use all heap available */
51 RTSflags.GcFlags.pcFreeHeap = 3; /* 3% */
52 /* minAllocAreaSize is derived; set in initSM,
53 after we know pcFreeHeap and heapSize */
55 RTSflags.GcFlags.force2s = rtsFalse;
56 RTSflags.GcFlags.forceGC = rtsFalse;
57 RTSflags.GcFlags.forcingInterval = 5000000; /* 5MB (or words?) */
58 RTSflags.GcFlags.ringBell = rtsFalse;
59 RTSflags.GcFlags.trace = 0; /* not turned on */
61 RTSflags.GcFlags.lazyBlackHoling = rtsTrue;
62 RTSflags.GcFlags.doSelectorsAtGC = rtsTrue;
63 RTSflags.GcFlags.squeezeUpdFrames = rtsTrue;
65 #if defined(PROFILING) || defined(PAR)
66 RTSflags.CcFlags.doCostCentres = 0;
67 RTSflags.CcFlags.sortBy = SORTCC_TIME;
69 /* "ctxtSwitchTicks", "profilerTicks", & "msecsPerTick" are
70 derived info, so they are set after ctxtSwitchTime has been
73 #endif /* PROFILING or PAR */
76 RTSflags.ProfFlags.doHeapProfile = rtsFalse;
78 RTSflags.ProfFlags.ccSelector = NULL;
79 RTSflags.ProfFlags.modSelector = NULL;
80 RTSflags.ProfFlags.grpSelector = NULL;
81 RTSflags.ProfFlags.descrSelector = NULL;
82 RTSflags.ProfFlags.typeSelector = NULL;
83 RTSflags.ProfFlags.kindSelector = NULL;
84 #endif /* PROFILING */
87 RTSflags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
88 RTSflags.ConcFlags.maxThreads = 32;
89 RTSflags.ConcFlags.stkChunkSize = 1024;
90 RTSflags.ConcFlags.maxLocalSparks = 500;
91 #endif /* CONCURRENT */
94 RTSflags.ParFlags.parallelStats = rtsFalse;
95 RTSflags.ParFlags.granSimStats = rtsFalse;
96 RTSflags.ParFlags.granSimStats_Binary = rtsFalse;
98 RTSflags.ParFlags.outputDisabled = rtsFalse;
100 RTSflags.ParFlags.packBufferSize = 1024;
104 RTSflags.GranFlags.granSimStats = rtsFalse;
105 RTSflags.GranFlags.granSimStats_suppressed = rtsFalse;
106 RTSflags.GranFlags.granSimStats_Binary = rtsFalse;
107 RTSflags.GranFlags.granSimStats_Sparks = rtsFalse;
108 RTSflags.GranFlags.granSimStats_Heap = rtsFalse;
109 RTSflags.GranFlags.labelling = rtsFalse;
110 RTSflags.GranFlags.packBufferSize = 1024;
111 RTSflags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
113 RTSflags.GranFlags.proc = MAX_PROC;
114 RTSflags.GranFlags.max_fishes = MAX_FISHES;
115 RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
116 RTSflags.GranFlags.Light = rtsFalse;
118 RTSflags.GranFlags.gran_latency = LATENCY;
119 RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
120 RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
121 RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
122 RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
123 RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
124 RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
125 RTSflags.GranFlags.gran_mtidytime = MSGTIDYTIME;
127 RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
128 RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
129 RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
130 RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
131 RTSflags.GranFlags.gran_threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
133 RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
134 RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
135 RTSflags.GranFlags.gran_load_cost = LOAD_COST;
136 RTSflags.GranFlags.gran_store_cost = STORE_COST;
137 RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
139 RTSflags.GranFlags.gran_heapalloc_cost = HEAPALLOC_COST;
141 RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
142 RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
144 RTSflags.GranFlags.DoFairSchedule = rtsFalse;
145 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
146 RTSflags.GranFlags.DoStealThreadsFirst = rtsFalse;
147 RTSflags.GranFlags.SimplifiedFetch = rtsFalse;
148 RTSflags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
149 RTSflags.GranFlags.DoGUMMFetching = rtsFalse;
150 RTSflags.GranFlags.DoThreadMigration = rtsFalse;
151 RTSflags.GranFlags.FetchStrategy = 2;
152 RTSflags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
153 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
154 RTSflags.GranFlags.DoPriorityScheduling = rtsFalse;
155 RTSflags.GranFlags.SparkPriority = 0;
156 RTSflags.GranFlags.SparkPriority2 = 0;
157 RTSflags.GranFlags.RandomPriorities = rtsFalse;
158 RTSflags.GranFlags.InversePriorities = rtsFalse;
159 RTSflags.GranFlags.IgnorePriorities = rtsFalse;
160 RTSflags.GranFlags.ThunksToPack = 0;
161 RTSflags.GranFlags.RandomSteal = rtsTrue;
162 RTSflags.GranFlags.NoForward = rtsFalse;
163 RTSflags.GranFlags.PrintFetchMisses = rtsFalse;
165 RTSflags.GranFlags.debug = 0x0;
166 RTSflags.GranFlags.event_trace = rtsFalse;
167 RTSflags.GranFlags.event_trace_all = rtsFalse;
171 RTSflags.TickyFlags.showTickyStats = rtsFalse;
172 RTSflags.TickyFlags.tickyFile = NULL;
174 AllFlags.doUpdEntryCounts = rtsTrue; /*ToDo:move? */
179 %************************************************************************
181 \subsection{Usage message for runtime-system (RTS) flags}
183 %************************************************************************
189 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
191 " +RTS Indicates run time system options follow",
192 " -RTS Indicates program arguments follow",
193 " --RTS Indicates that ALL subsequent arguments will be given to the",
194 " program (including any of these RTS flags)",
196 "The following run time system options are available:",
198 " -? -f Prints this message and exits; the program is not executed",
200 " -K<size> Sets the stack size (default 64k) Egs: -K32k -K512k",
201 " -H<size> Sets the heap size (default 4M) -H512k -H16M",
202 " -s<file> Summary GC statistics (default file: <program>.stat)",
203 " -S<file> Detailed GC statistics (with -Sstderr going to stderr)",
206 " -M<n>% Sets minimum size of alloc area as % of heap (default 3%)",
207 " -A<size> Fixes size of alloc area, overriding any minimum (-A gives 64k)",
208 " -G<size> Fixes size of major generation (default is dynamic threshold)",
209 " -F2s Forces program compiled for Appel gc to use 2s collection",
212 " -A<size> Specifies size of alloc area (default 64k)",
213 " -G<size> Fixes size of major generation (default is available heap)",
214 " -F2s Forces program compiled for Gen gc to use 2s collection",
216 " -M<n>% Minimum % of heap which must be available (default 3%)",
217 " -A<size> Fixes size of heap area allocated between GCs (-A gives 64k)",
220 " -j<size> Forces major GC at every <size> bytes allocated",
222 " -u<percent> Fixes residency threshold at which mode switches (range 0.0..0.95)",
225 " -N No black-holing during GC (for use when a signal handler is present)",
226 " -Z Don't squeeze out update frames on stack overflow",
227 " -B Sound the bell at the start of each (major) garbage collection",
228 #if defined(PROFILING) || defined(PAR)
230 " -p<sort> Produce cost centre time profile (output file <program>.prof)",
231 " sort: T = time (default), A = alloc, C = cost centre label",
232 " -P<sort> Produce serial time profile (output file <program>.time)",
233 " and a -p profile with detailed tick/alloc info",
234 # if defined(PROFILING)
236 " -h<break-down> Heap residency profile (output file <program>.hp)",
237 " break-down: C = cost centre (default), M = module, G = group",
238 " D = closure description, Y = type description",
239 " T<ints>,<start> = time closure created",
240 " ints: no. of interval bands plotted (default 18)",
241 " start: seconds after which intervals start (default 0.0)",
242 " A subset of closures may be selected by the attached cost centre using:",
243 " -c{mod:lab,mod:lab...}, specific module:label cost centre(s)",
244 " -m{mod,mod...} all cost centres from the specified modules(s)",
245 " -g{grp,grp...} all cost centres from the specified group(s)",
246 " Selections can also be made by description, type, kind and age:",
247 " -d{des,des...} closures with specified closure descriptions",
248 " -y{typ,typ...} closures with specified type descriptions",
249 " -k{knd,knd...} closures of the specified kinds",
250 " -a<age> closures which survived <age> complete intervals",
251 " The selection logic used is summarised as follows:",
252 " ([-c] or [-m] or [-g]) and ([-d] or [-y] or [-k]) and [-a]",
253 " where an option is true if not specified",
256 " -z<tbl><size> set hash table <size> for <tbl> (C, M, G, D or Y)",
258 " -i<secs> Number of seconds in a profiling interval (default 1.0):",
259 " heap profile (-h) and/or serial time profile (-P) frequency",
260 #endif /* PROFILING or PAR */
262 #if defined(TICKY_TICKY)
263 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
266 " -T<level> Trace garbage collection execution (debugging)",
270 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
271 /* NB: the -N<n> is implemented by the driver!! */
273 " -C<secs> Context-switch interval in seconds",
274 " (0 or no argument means switch as often as possible)",
275 " the default is .01 sec; resolution is .01 sec",
276 " -e<size> Size of spark pools (default 100)",
278 " -q Enable activity profile (output files in ~/<program>*.gr)",
279 " -qb Enable binary activity profile (output file /tmp/<program>.gb)",
280 " -Q<size> Set pack-buffer size (default: 1024)",
282 " -q[v] Enable quasi-parallel profile (output file <program>.qp)",
284 " -t<num> Set maximum number of advisory threads per PE (default 32)",
285 " -o<num> Set stack chunk size (default 1024)",
287 " -d Turn on PVM-ish debugging",
288 " -O Disable output for performance measurement",
290 # ifdef GRAN /* ToDo: fill in decent Docu here */
291 " -b... All GranSim options start with -b, and there are many of them",
293 #endif /* CONCURRENT */
295 "Other RTS options may be available for programs compiled a different way.",
296 "The GHC User's Guide has full details.",
302 %************************************************************************
304 \subsection{Processing command-line arguments to set @RTSFlags@}
306 %************************************************************************
313 extern double atof();
314 /* no proto because some machines use const and some do not */
317 static __inline__ rtsBool
318 strequal(const char *a, const char * b)
320 return(strcmp(a, b) == 0);
324 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
326 rtsBool error = rtsFalse;
331 /* Remove directory from argv[0] -- default files in current directory */
333 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
334 strcpy(argv[0], last_slash+1);
336 /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
337 /* argv[0] must be PGM argument -- leave in argv */
345 for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
346 if (strequal("+RTS", argv[arg])) {
349 else if (strequal("-RTS", argv[arg])) {
352 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
353 rts_argv[(*rts_argc)++] = argv[arg];
355 else if (mode == PGM) {
356 argv[(*argc)++] = argv[arg];
360 fprintf(stderr, "setupRtsFlags: Too many RTS arguments (max %d)\n",
365 if (arg < total_arg) {
366 /* arg must be --RTS; process remaining program arguments */
367 while (++arg < total_arg) {
368 argv[(*argc)++] = argv[arg];
371 argv[*argc] = (char *) 0;
372 rts_argv[*rts_argc] = (char *) 0;
374 /* Process RTS (rts_argv) part: mainly to determine statsfile */
376 for (arg = 0; arg < *rts_argc; arg++) {
377 if (rts_argv[arg][0] != '-') {
379 fprintf(stderr, "setupRtsFlags: Unexpected RTS argument: %s\n",
384 switch(rts_argv[arg][1]) {
386 /* process: general args, then PROFILING-only ones,
387 then CONCURRENT-only, PARallel-only, GRAN-only,
388 TICKY-only (same order as defined in RtsFlags.lh);
389 within those groups, mostly in case-insensitive
394 # define TICKY_BUILD_ONLY(x) x
396 # define TICKY_BUILD_ONLY(x) \
397 fprintf(stderr, "setupRtsFlags: GHC not built for: ticky-ticky stats\n"); \
401 #if (defined(PROFILING) || defined(PAR))
402 # define COST_CENTRE_USING_BUILD_ONLY(x) x
404 # define COST_CENTRE_USING_BUILD_ONLY(x) \
405 fprintf(stderr, "setupRtsFlags: GHC not built for: -prof or -parallel\n"); \
410 # define PROFILING_BUILD_ONLY(x) x
412 # define PROFILING_BUILD_ONLY(x) \
413 fprintf(stderr, "setupRtsFlags: GHC not built for: -prof\n"); \
418 # define CONCURRENT_BUILD_ONLY(x) x
420 # define CONCURRENT_BUILD_ONLY(x) \
421 fprintf(stderr, "setupRtsFlags: GHC not built for: -concurrent\n"); \
426 # define PAR_BUILD_ONLY(x) x
428 # define PAR_BUILD_ONLY(x) \
429 fprintf(stderr, "setupRtsFlags: GHC not built for: -parallel\n"); \
434 # define GRAN_BUILD_ONLY(x) x
436 # define GRAN_BUILD_ONLY(x) \
437 fprintf(stderr, "setupRtsFlags: GHC not built for: -gransim\n"); \
441 /* =========== GENERAL ========================== */
448 RTSflags.GcFlags.allocAreaSize
449 = decode(rts_argv[arg]+2) / sizeof(W_);
450 RTSflags.GcFlags.allocAreaSizeGiven = rtsTrue;
454 RTSflags.GcFlags.ringBell = rtsTrue;
458 if (strequal(rts_argv[arg]+2, "2s")) {
459 RTSflags.GcFlags.force2s = rtsTrue;
461 bad_option( rts_argv[arg] );
466 RTSflags.GcFlags.specifiedOldGenSize
467 = decode(rts_argv[arg]+2) / sizeof(W_);
471 RTSflags.GcFlags.stksSize = decode(rts_argv[arg]+2) / sizeof(W_);
473 if (RTSflags.GcFlags.stksSize == 0) bad_option( rts_argv[arg] );
477 RTSflags.GcFlags.heapSize = decode(rts_argv[arg]+2) / sizeof(W_);
478 /* user give size in *bytes* but "heapSize" is in *words* */
480 if (RTSflags.GcFlags.heapSize <= 0) bad_option(rts_argv[arg]);
483 case 'j': /* force GC option */
484 RTSflags.GcFlags.forceGC = rtsTrue;
485 if (rts_argv[arg][2]) {
486 RTSflags.GcFlags.forcingInterval
487 = decode(rts_argv[arg]+2) / sizeof(W_);
492 RTSflags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
494 if (RTSflags.GcFlags.pcFreeHeap < 0 || RTSflags.GcFlags.pcFreeHeap > 100)
495 bad_option( rts_argv[arg] );
499 RTSflags.GcFlags.lazyBlackHoling = rtsFalse;
503 RTSflags.GcFlags.doSelectorsAtGC = rtsFalse;
506 case 'S': /* NB: no difference at present ! */
508 RTSflags.GcFlags.giveStats ++; /* will be VERBOSE_GC_STATS */
510 /* Opening all those files would almost certainly fail... */
511 RTSflags.ParFlags.parallelStats = rtsTrue;
512 RTSflags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
514 RTSflags.GcFlags.statsFile
515 = open_stats_file(arg, *argc, argv,
516 *rts_argc, rts_argv, STAT_FILENAME_FMT);
518 if (RTSflags.GcFlags.statsFile == NULL) error = rtsTrue;
523 if (rts_argv[arg][2] != '\0')
524 RTSflags.GcFlags.trace
525 = (W_) strtol(rts_argv[arg]+2, (char **)NULL, 0);
527 RTSflags.GcFlags.trace = 1; /* slightly weird; why, really? */
531 RTSflags.GcFlags.squeezeUpdFrames = rtsFalse;
534 /* =========== PROFILING ========================== */
536 case 'P': /* detailed cost centre profiling (time/alloc) */
537 COST_CENTRE_USING_BUILD_ONLY(
538 RTSflags.CcFlags.doCostCentres++;
540 case 'p': /* cost centre profiling (time/alloc) */
541 COST_CENTRE_USING_BUILD_ONLY(
542 RTSflags.CcFlags.doCostCentres++;
544 switch (rts_argv[arg][2]) {
548 RTSflags.CcFlags.sortBy = rts_argv[arg][2];
551 fprintf(stderr, "Invalid profiling sort option %s\n", rts_argv[arg]);
556 case 'i': /* serial profiling -- initial timer interval */
557 COST_CENTRE_USING_BUILD_ONLY(
558 interval_ticks = (I_) ((atof(rts_argv[arg]+2) * TICK_FREQUENCY));
559 if (interval_ticks <= 0)
563 case 'h': /* serial heap profile */
564 PROFILING_BUILD_ONLY(
565 switch (rts_argv[arg][2]) {
568 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_CC;
571 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
574 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_GRP;
577 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
580 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
583 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TIME;
584 if (rts_argv[arg][3]) {
585 char *start_str = strchr(rts_argv[arg]+3, ',');
587 if (start_str) *start_str = '\0';
589 if ((intervals = decode(rts_argv[arg]+3)) != 0) {
590 time_intervals = (hash_t) intervals;
591 /* ToDo: and what if it *is* zero intervals??? */
594 earlier_ticks = (I_)((atof(start_str + 1) * TICK_FREQUENCY));
599 fprintf(stderr, "Invalid heap profile option: %s\n",
605 case 'z': /* size of index tables */
606 PROFILING_BUILD_ONLY(
607 switch (rts_argv[arg][2]) {
609 max_cc_no = (hash_t) decode(rts_argv[arg]+3);
610 if (max_cc_no == 0) {
611 fprintf(stderr, "Bad number of cost centres %s\n", rts_argv[arg]);
616 max_mod_no = (hash_t) decode(rts_argv[arg]+3);
617 if (max_mod_no == 0) {
618 fprintf(stderr, "Bad number of modules %s\n", rts_argv[arg]);
623 max_grp_no = (hash_t) decode(rts_argv[arg]+3);
624 if (max_grp_no == 0) {
625 fprintf(stderr, "Bad number of groups %s\n", rts_argv[arg]);
630 max_descr_no = (hash_t) decode(rts_argv[arg]+3);
631 if (max_descr_no == 0) {
632 fprintf(stderr, "Bad number of closure descriptions %s\n", rts_argv[arg]);
637 max_type_no = (hash_t) decode(rts_argv[arg]+3);
638 if (max_type_no == 0) {
639 fprintf(stderr, "Bad number of type descriptions %s\n", rts_argv[arg]);
644 fprintf(stderr, "Invalid index table size option: %s\n",
650 case 'c': /* cost centre label select */
651 case 'm': /* cost centre module select */
652 case 'g': /* cost centre group select */
653 case 'd': /* closure descr select */
654 case 'y': /* closure type select */
655 case 'k': /* closure kind select */
656 PROFILING_BUILD_ONLY(
657 {char *left = strchr(rts_argv[arg], '{');
658 char *right = strrchr(rts_argv[arg], '}');
660 if (! left || ! right ||
661 strrchr(rts_argv[arg], '{') != left ||
662 strchr(rts_argv[arg], '}') != right) {
663 fprintf(stderr, "Invalid heap profiling selection bracketing\n %s\n", rts_argv[arg]);
667 switch (rts_argv[arg][1]) {
668 case 'c': /* cost centre label select */
669 RTSflags.ProfFlags.ccSelector = left + 1;
671 case 'm': /* cost centre module select */
672 RTSflags.ProfFlags.modSelector = left + 1;
674 case 'g': /* cost centre group select */
675 RTSflags.ProfFlags.grpSelector = left + 1;
677 case 'd': /* closure descr select */
678 RTSflags.ProfFlags.descrSelector = left + 1;
680 case 't': /* closure type select */
681 RTSflags.ProfFlags.typeSelector = left + 1;
683 case 'k': /* closure kind select */
684 RTSflags.ProfFlags.kindSelector = left + 1;
690 /* =========== CONCURRENT ========================= */
691 case 'C': /* context switch interval */
692 CONCURRENT_BUILD_ONLY (
693 if (rts_argv[arg][2] == '\0')
694 RTSflags.ConcFlags.ctxtSwitchTime = 0;
698 /* Convert to milliseconds */
699 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
700 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
701 if (cst < CS_MIN_MILLISECS)
702 cst = CS_MIN_MILLISECS;
704 RTSflags.ConcFlags.ctxtSwitchTime = cst;
709 CONCURRENT_BUILD_ONLY(
710 if (rts_argv[arg][2] != '\0') {
711 RTSflags.ConcFlags.maxThreads
712 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
714 fprintf(stderr, "setupRtsFlags: missing size for -t\n");
720 CONCURRENT_BUILD_ONLY (
721 if (rts_argv[arg][2] != '\0') {
722 I_ size = decode(rts_argv[arg]+2);
724 if (size < MIN_STKO_CHUNK_SIZE)
725 size = MIN_STKO_CHUNK_SIZE;
727 RTSflags.ConcFlags.stkChunkSize = size;
729 fprintf(stderr, "setupRtsFlags: missing size for -o\n");
734 /* =========== PARALLEL =========================== */
736 CONCURRENT_BUILD_ONLY(
737 if (rts_argv[arg][2] != '\0') { /* otherwise, stick w/ the default */
739 RTSflags.ConcFlags.maxLocalSparks
740 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
742 if (RTSflags.ConcFlags.maxLocalSparks <= 0) {
743 fprintf(stderr, "setupRtsFlags: bad value for -e\n");
751 RTSflags.ParFlags.outputDisabled = rtsTrue;
754 case 'q': /* activity profile option */
756 if (rts_argv[arg][2] == 'b')
757 RTSflags.ParFlags.granSimStats_Binary = rtsTrue;
759 RTSflags.ParFlags.granSimStats = rtsTrue;
763 case 'q': /* quasi-parallel profile option */
765 if (rts_argv[arg][2] == 'v')
772 case 'Q': /* Set pack buffer size */
774 if (rts_argv[arg][2] != '\0') {
775 RTSflags.ParFlags.packBufferSize = decode(rts_argv[arg]+2);
777 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
782 /* =========== GRAN =============================== */
786 process_gran_option(arg, rts_argc, rts_argv, &error);
789 /* =========== TICKY ============================== */
791 case 'r': /* Basic profiling stats */
794 RTSflags.TickyFlags.showTickyStats = rtsTrue;
795 RTSflags.TickyFlags.tickyFile
796 = open_stats_file(arg, *argc, argv,
797 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
799 if (RTSflags.TickyFlags.tickyFile == NULL) error = rtsTrue;
802 /* =========== OH DEAR ============================ */
804 fprintf(stderr, "setupRtsFlags: Unknown RTS option: %s\n",rts_argv[arg]);
814 for (p = usage_text; *p; p++)
815 fprintf(stderr, "%s\n", *p);
823 enable_GrAnSimLight() {
825 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
826 RTSflags.GranFlags.Light=rtsTrue;
827 RTSflags.GranFlags.gran_latency =
828 RTSflags.GranFlags.gran_fetchtime =
829 RTSflags.GranFlags.gran_additional_latency =
830 RTSflags.GranFlags.gran_gunblocktime =
831 RTSflags.GranFlags.gran_lunblocktime =
832 RTSflags.GranFlags.gran_threadcreatetime =
833 RTSflags.GranFlags.gran_threadqueuetime =
834 RTSflags.GranFlags.gran_threadscheduletime =
835 RTSflags.GranFlags.gran_threaddescheduletime =
836 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
838 RTSflags.GranFlags.gran_mpacktime =
839 RTSflags.GranFlags.gran_munpacktime = 0;
841 RTSflags.GranFlags.DoFairSchedule = rtsTrue;
842 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
843 RTSflags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
844 /* FetchStrategy is irrelevant in GrAnSim-Light */
846 /* GrAnSim Light often creates an abundance of parallel threads,
847 each with its own stack etc. Therefore, it's in general a good
848 idea to use small stack chunks (use the -o<size> option to
851 RTSflags.ConcFlags.stkChunkSize = 100;
853 RTSflags.GranFlags.proc = 1;
857 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
859 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
862 /* Should we emulate hbcpp */
863 if(strcmp((rts_argv[arg]+2),"roken")==0) {
864 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
865 strcpy(rts_argv[arg]+2,"oring");
868 /* or a ridiculously idealised simulator */
869 if(strcmp((rts_argv[arg]+2),"oring")==0) {
870 RTSflags.GranFlags.gran_latency =
871 RTSflags.GranFlags.gran_fetchtime =
872 RTSflags.GranFlags.gran_additional_latency =
873 RTSflags.GranFlags.gran_gunblocktime =
874 RTSflags.GranFlags.gran_lunblocktime =
875 RTSflags.GranFlags.gran_threadcreatetime =
876 RTSflags.GranFlags.gran_threadqueuetime =
877 RTSflags.GranFlags.gran_threadscheduletime =
878 RTSflags.GranFlags.gran_threaddescheduletime =
879 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
881 RTSflags.GranFlags.gran_mpacktime =
882 RTSflags.GranFlags.gran_munpacktime = 0;
884 RTSflags.GranFlags.gran_arith_cost =
885 RTSflags.GranFlags.gran_float_cost =
886 RTSflags.GranFlags.gran_load_cost =
887 RTSflags.GranFlags.gran_store_cost =
888 RTSflags.GranFlags.gran_branch_cost = 0;
890 RTSflags.GranFlags.gran_heapalloc_cost = 1;
892 /* ++RTSflags.GranFlags.DoFairSchedule; */
893 RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
894 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
895 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
899 /* or a somewhat idealised simulator */
900 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
901 RTSflags.GranFlags.gran_latency =
902 RTSflags.GranFlags.gran_fetchtime =
903 RTSflags.GranFlags.gran_additional_latency =
904 RTSflags.GranFlags.gran_gunblocktime =
905 RTSflags.GranFlags.gran_lunblocktime =
906 RTSflags.GranFlags.gran_threadcreatetime =
907 RTSflags.GranFlags.gran_threadqueuetime =
908 RTSflags.GranFlags.gran_threadscheduletime =
909 RTSflags.GranFlags.gran_threaddescheduletime =
910 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
912 RTSflags.GranFlags.gran_mpacktime =
913 RTSflags.GranFlags.gran_munpacktime = 0;
915 RTSflags.GranFlags.gran_heapalloc_cost = 1;
917 /* RTSflags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
918 /* RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
919 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue; /* -bZ */
920 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
921 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
922 # if defined(GRAN_CHECK) && defined(GRAN)
923 RTSflags.GranFlags.debug = 0x20; /* print event statistics */
928 /* Communication and task creation cost parameters */
929 switch(rts_argv[arg][2]) {
931 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
935 if (rts_argv[arg][3] != '\0')
937 RTSflags.GranFlags.gran_gunblocktime =
938 RTSflags.GranFlags.gran_latency = decode(rts_argv[arg]+3);
939 RTSflags.GranFlags.gran_fetchtime = 2*RTSflags.GranFlags.gran_latency;
942 RTSflags.GranFlags.gran_latency = LATENCY;
946 if (rts_argv[arg][3] != '\0')
947 RTSflags.GranFlags.gran_additional_latency = decode(rts_argv[arg]+3);
949 RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
953 if (rts_argv[arg][3] != '\0')
954 RTSflags.GranFlags.gran_mpacktime = decode(rts_argv[arg]+3);
956 RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
960 if (rts_argv[arg][3] != '\0')
961 RTSflags.GranFlags.gran_mtidytime = decode(rts_argv[arg]+3);
963 RTSflags.GranFlags.gran_mtidytime = 0;
967 if (rts_argv[arg][3] != '\0')
968 RTSflags.GranFlags.gran_munpacktime = decode(rts_argv[arg]+3);
970 RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
974 if (rts_argv[arg][3] != '\0')
975 RTSflags.GranFlags.gran_fetchtime = decode(rts_argv[arg]+3);
977 RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
981 if (rts_argv[arg][3] != '\0')
982 RTSflags.GranFlags.gran_gunblocktime = decode(rts_argv[arg]+3);
984 RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
988 if (rts_argv[arg][3] != '\0')
989 RTSflags.GranFlags.gran_lunblocktime = decode(rts_argv[arg]+3);
991 RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
994 /* Thread-related metrics */
996 if (rts_argv[arg][3] != '\0')
997 RTSflags.GranFlags.gran_threadcreatetime = decode(rts_argv[arg]+3);
999 RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
1003 if (rts_argv[arg][3] != '\0')
1004 RTSflags.GranFlags.gran_threadqueuetime = decode(rts_argv[arg]+3);
1006 RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
1010 if (rts_argv[arg][3] != '\0')
1011 RTSflags.GranFlags.gran_threadscheduletime = decode(rts_argv[arg]+3);
1013 RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
1015 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1016 + RTSflags.GranFlags.gran_threaddescheduletime;
1020 if (rts_argv[arg][3] != '\0')
1021 RTSflags.GranFlags.gran_threaddescheduletime = decode(rts_argv[arg]+3);
1023 RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
1025 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1026 + RTSflags.GranFlags.gran_threaddescheduletime;
1029 /* Instruction Cost Metrics */
1031 if (rts_argv[arg][3] != '\0')
1032 RTSflags.GranFlags.gran_arith_cost = decode(rts_argv[arg]+3);
1034 RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
1038 if (rts_argv[arg][3] != '\0')
1039 RTSflags.GranFlags.gran_float_cost = decode(rts_argv[arg]+3);
1041 RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
1045 if (rts_argv[arg][3] != '\0')
1046 RTSflags.GranFlags.gran_branch_cost = decode(rts_argv[arg]+3);
1048 RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
1052 if (rts_argv[arg][3] != '\0')
1053 RTSflags.GranFlags.gran_load_cost = decode(rts_argv[arg]+3);
1055 RTSflags.GranFlags.gran_load_cost = LOAD_COST;
1059 if (rts_argv[arg][3] != '\0')
1060 RTSflags.GranFlags.gran_store_cost = decode(rts_argv[arg]+3);
1062 RTSflags.GranFlags.gran_store_cost = STORE_COST;
1066 if (rts_argv[arg][3] != '\0')
1067 RTSflags.GranFlags.gran_heapalloc_cost = decode(rts_argv[arg]+3);
1069 RTSflags.GranFlags.gran_heapalloc_cost = 0;
1073 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue;
1074 if (rts_argv[arg][3] != '\0')
1075 RTSflags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1076 if (RTSflags.GranFlags.FetchStrategy == 0)
1077 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
1079 RTSflags.GranFlags.FetchStrategy = 2; /* default: fetch everything */
1082 case 'K': /* sort overhead (per elem in spark list) */
1083 if (rts_argv[arg][3] != '\0')
1084 RTSflags.GranFlags.gran_pri_spark_overhead = decode(rts_argv[arg]+3);
1086 RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
1087 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1088 RTSflags.GranFlags.gran_pri_spark_overhead);
1091 case 'O': /* sort overhead (per elem in spark list) */
1092 if (rts_argv[arg][3] != '\0')
1093 RTSflags.GranFlags.gran_pri_sched_overhead = decode(rts_argv[arg]+3);
1095 RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
1096 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1097 RTSflags.GranFlags.gran_pri_sched_overhead);
1100 /* General Parameters */
1102 if (rts_argv[arg][3] != '\0')
1104 RTSflags.GranFlags.proc = decode(rts_argv[arg]+3);
1105 if (RTSflags.GranFlags.proc==0) {
1106 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
1107 } else if (RTSflags.GranFlags.proc > MAX_PROC ||
1108 RTSflags.GranFlags.proc < 1)
1110 fprintf(stderr,"setupRtsFlags: no more than %u processors
1117 RTSflags.GranFlags.proc = MAX_PROC;
1121 if (rts_argv[arg][3] != '\0')
1122 RTSflags.GranFlags.max_fishes = decode(rts_argv[arg]+3);
1124 RTSflags.GranFlags.max_fishes = 1;
1128 if (rts_argv[arg][3] != '\0')
1129 RTSflags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1131 RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
1135 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1136 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1140 fprintf(stderr,"Bulk fetching enabled.\n");
1141 RTSflags.GranFlags.DoGUMMFetching=rtsTrue;
1145 fprintf(stderr,"Thread migration enabled.\n");
1146 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1150 fprintf(stderr,"Fair Scheduling enabled.\n");
1151 RTSflags.GranFlags.DoFairSchedule=rtsTrue;
1155 fprintf(stderr,"Priority Scheduling enabled.\n");
1156 RTSflags.GranFlags.DoPriorityScheduling=rtsTrue;
1160 RTSflags.GranFlags.DoStealThreadsFirst=rtsTrue;
1161 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1165 RTSflags.GranFlags.DoReScheduleOnFetch=rtsTrue;
1169 RTSflags.GranFlags.SimplifiedFetch=rtsTrue;
1173 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1177 RTSflags.GranFlags.granSimStats_Binary=rtsTrue;
1181 RTSflags.GranFlags.granSimStats=rtsTrue;
1185 RTSflags.GranFlags.granSimStats_Sparks=rtsTrue;
1189 RTSflags.GranFlags.granSimStats_Heap=rtsTrue;
1193 RTSflags.GranFlags.labelling=rtsTrue;
1196 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1197 if (rts_argv[arg][3] != '\0') {
1200 arg0 = rts_argv[arg]+3;
1201 if ((tmp = strstr(arg0,","))==NULL) {
1202 RTSflags.GranFlags.SparkPriority = decode(arg0);
1203 fprintf(stderr,"SparkPriority: %u.\n",RTSflags.GranFlags.SparkPriority);
1206 RTSflags.GranFlags.SparkPriority = decode(arg0);
1207 RTSflags.GranFlags.SparkPriority2 = decode(tmp);
1208 fprintf(stderr,"SparkPriority: %u.\n",
1209 RTSflags.GranFlags.SparkPriority);
1210 fprintf(stderr,"SparkPriority2:%u.\n",
1211 RTSflags.GranFlags.SparkPriority2);
1212 if (RTSflags.GranFlags.SparkPriority2 <
1213 RTSflags.GranFlags.SparkPriority) {
1214 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1215 RTSflags.GranFlags.SparkPriority2,
1216 RTSflags.GranFlags.SparkPriority);
1220 /* plain pri spark is now invoked with -bX
1221 RTSflags.GranFlags.DoPrioritySparking = 1;
1222 fprintf(stderr,"PrioritySparking.\n");
1228 if (rts_argv[arg][3] != '\0') {
1229 RTSflags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1231 RTSflags.GranFlags.ThunksToPack = 1;
1233 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1234 RTSflags.GranFlags.ThunksToPack);
1238 RTSflags.GranFlags.RandomSteal = rtsFalse;
1239 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1242 /* The following class of options contains eXperimental */
1243 /* features in connection with exploiting granularity */
1244 /* information. I.e. if -bY is chosen these options */
1245 /* tell the RTS what to do with the supplied info --HWL */
1247 switch(rts_argv[arg][3]) {
1250 RTSflags.GranFlags.DoPrioritySparking = 1;
1251 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1252 RTSflags.GranFlags.InversePriorities = rtsFalse;
1253 RTSflags.GranFlags.RandomPriorities = rtsFalse;
1254 RTSflags.GranFlags.IgnorePriorities = rtsFalse;
1258 RTSflags.GranFlags.DoPrioritySparking = 1;
1259 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1260 RTSflags.GranFlags.InversePriorities++;
1264 RTSflags.GranFlags.DoPrioritySparking = 1;
1265 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1266 RTSflags.GranFlags.RandomPriorities++;
1270 RTSflags.GranFlags.DoPrioritySparking = 1;
1271 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1272 RTSflags.GranFlags.IgnorePriorities++;
1276 bad_option( rts_argv[arg] );
1282 switch(rts_argv[arg][3]) {
1285 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1286 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1290 RTSflags.GranFlags.DoGUMMFetching=rtsFalse;
1294 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1298 RTSflags.GranFlags.DoFairSchedule=rtsFalse;
1302 RTSflags.GranFlags.DoStealThreadsFirst=rtsFalse;
1303 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1307 RTSflags.GranFlags.DoReScheduleOnFetch=rtsFalse;
1311 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1315 RTSflags.GranFlags.granSimStats_suppressed=rtsTrue;
1319 RTSflags.GranFlags.granSimStats_Sparks=rtsFalse;
1323 RTSflags.GranFlags.granSimStats_Heap=rtsFalse;
1327 RTSflags.GranFlags.granSimStats_Binary=rtsFalse;
1331 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1335 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1336 RTSflags.GranFlags.SparkPriority = rtsFalse;
1340 RTSflags.GranFlags.DoPriorityScheduling = rtsFalse;
1344 RTSflags.GranFlags.RandomSteal = rtsFalse;
1348 bad_option( rts_argv[arg] );
1353 # if defined(GRAN_CHECK) && defined(GRAN)
1355 switch(rts_argv[arg][3]) {
1356 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1357 if (rts_argv[arg][4] != '\0') {
1358 RTSflags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1359 fprintf(stderr,"Pack buffer size: %d\n",
1360 RTSflags.GranFlags.packBufferSize);
1362 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1367 case 'e': /* event trace */
1368 fprintf(stderr,"Printing event trace.\n");
1369 RTSflags.GranFlags.event_trace=rtsTrue;
1373 fprintf(stderr,"Printing forwarding of FETCHNODES.\n");
1374 RTSflags.GranFlags.debug |= 0x2; /* print fwd messages */
1378 fprintf(stderr,"Check for blocked on fetch.\n");
1379 RTSflags.GranFlags.debug |= 0x4; /* debug non-reschedule-on-fetch */
1383 fprintf(stderr,"Check for TSO asleep on fetch.\n");
1384 RTSflags.GranFlags.debug |= 0x10; /* debug TSO asleep for fetch */
1388 fprintf(stderr,"Printing event statistics.\n");
1389 RTSflags.GranFlags.debug |= 0x20; /* print event statistics */
1393 fprintf(stderr,"Prohibiting forward.\n");
1394 RTSflags.GranFlags.NoForward = rtsTrue; /* prohibit forwarding */
1398 fprintf(stderr,"Printing fetch misses.\n");
1399 RTSflags.GranFlags.PrintFetchMisses = rtsTrue; /* prohibit forwarding */
1403 fprintf(stderr,"Debug mode.\n");
1404 RTSflags.GranFlags.debug |= 0x40;
1408 fprintf(stderr,"Severe debug mode.\n");
1409 RTSflags.GranFlags.debug |= 0x80;
1413 fprintf(stderr,"FULL event trace.\n");
1414 RTSflags.GranFlags.event_trace_all =rtsTrue;
1418 fprintf(stderr,"Debugging packet fetching.\n");
1419 RTSflags.GranFlags.debug |= 0x100;
1423 fprintf(stderr,"Ignore events till end of time slice\n");
1424 RTSflags.GranFlags.debug |= 0x200;
1425 IgnoreEvents = rtsTrue;
1429 fprintf(stderr,"Check that spark queues are sorted.\n");
1430 RTSflags.GranFlags.debug |= 0x400;
1434 fprintf(stderr,"Print heap allocation messages (RBH).\n");
1435 RTSflags.GranFlags.debug |= 0x800;
1439 fprintf(stderr,"Debug breadth-first pruning.\n");
1440 RTSflags.GranFlags.debug |= 0x1000;
1444 fprintf(stderr,"Debug random stealing.\n");
1445 RTSflags.GranFlags.debug |= 0x2000;
1449 fprintf(stderr,"Debug busyness.\n");
1450 RTSflags.GranFlags.debug |= 0x4000;
1454 fprintf(stderr,"Debug spark-queue manipulations.\n");
1455 RTSflags.GranFlags.debug |= 0x10000;
1459 fprintf(stderr,"Debug GrAnSim Light.\n");
1460 RTSflags.GranFlags.debug |= 0x20000;
1464 RTSflags.GranFlags.debug = 1;
1468 bad_option( rts_argv[arg] );
1472 # endif /* GRAN_CHECK */
1474 bad_option( rts_argv[arg] );
1481 %************************************************************************
1483 \subsection{Profiling RTS Arguments}
1485 %************************************************************************
1488 I_ MaxResidency = 0; /* in words; for stats only */
1489 I_ ResidencySamples = 0; /* for stats only */
1494 RTSflags.GcFlags.minAllocAreaSize
1495 = (I_) (RTSflags.GcFlags.heapSize * RTSflags.GcFlags.pcFreeHeap / 100);
1497 This needs to be here, in case the user changed some of these
1498 values with a "hook".
1503 %************************************************************************
1505 \subsection{Utility bits}
1507 %************************************************************************
1510 static FILE * /* return NULL on error */
1513 int argc, char *argv[],
1514 int rts_argc, char *rts_argv[],
1515 const char *FILENAME_FMT)
1519 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1521 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1522 f = fopen(rts_argv[arg]+2,"w");
1524 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1525 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1526 f = fopen(stats_filename,"w");
1529 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1531 /* Write argv and rtsv into start of stats file */
1533 for(count = 0; count < argc; count++)
1534 fprintf(f, "%s ", argv[count]);
1535 fprintf(f, "+RTS ");
1536 for(count = 0; count < rts_argc; count++)
1537 fprintf(f, "%s ", rts_argv[count]);
1545 decode(const char *s)
1556 if (c == 'g' || c == 'G')
1557 m *= 1000*1000*1000; /* UNchecked! */
1558 else if (c == 'm' || c == 'M')
1559 m *= 1000*1000; /* We do not use powers of 2 (1024) */
1560 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
1561 m *= 1000; /* a direct-mapped cache. */
1562 else if (c == 'w' || c == 'W')
1569 bad_option(const char *s)
1572 fprintf(stderr, "initSM: Bad RTS option: %s\n", s);