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 */
85 /* there really shouldn't be a threads limit for concurrent mandatory threads.
86 For now, unlimitied means less than 64k (there's a storage overhead) -- SOF
88 #if defined(CONCURRENT) && !defined(GRAN)
89 RTSflags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
90 RTSflags.ConcFlags.maxThreads = 65536;
91 RTSflags.ConcFlags.stkChunkSize = 1024;
92 RTSflags.ConcFlags.maxLocalSparks = 65536;
93 #endif /* CONCURRENT only */
96 RTSflags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
97 RTSflags.ConcFlags.maxThreads = 32;
98 RTSflags.ConcFlags.stkChunkSize = 1024;
99 RTSflags.ConcFlags.maxLocalSparks = 500;
103 RTSflags.ParFlags.parallelStats = rtsFalse;
104 RTSflags.ParFlags.granSimStats = rtsFalse;
105 RTSflags.ParFlags.granSimStats_Binary = rtsFalse;
107 RTSflags.ParFlags.outputDisabled = rtsFalse;
109 RTSflags.ParFlags.packBufferSize = 1024;
113 RTSflags.GranFlags.granSimStats = rtsFalse;
114 RTSflags.GranFlags.granSimStats_suppressed = rtsFalse;
115 RTSflags.GranFlags.granSimStats_Binary = rtsFalse;
116 RTSflags.GranFlags.granSimStats_Sparks = rtsFalse;
117 RTSflags.GranFlags.granSimStats_Heap = rtsFalse;
118 RTSflags.GranFlags.labelling = rtsFalse;
119 RTSflags.GranFlags.packBufferSize = 1024;
120 RTSflags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
122 RTSflags.GranFlags.proc = MAX_PROC;
123 RTSflags.GranFlags.max_fishes = MAX_FISHES;
124 RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
125 RTSflags.GranFlags.Light = rtsFalse;
127 RTSflags.GranFlags.gran_latency = LATENCY;
128 RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
129 RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
130 RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
131 RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
132 RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
133 RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
134 RTSflags.GranFlags.gran_mtidytime = MSGTIDYTIME;
136 RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
137 RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
138 RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
139 RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
140 RTSflags.GranFlags.gran_threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
142 RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
143 RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
144 RTSflags.GranFlags.gran_load_cost = LOAD_COST;
145 RTSflags.GranFlags.gran_store_cost = STORE_COST;
146 RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
148 RTSflags.GranFlags.gran_heapalloc_cost = HEAPALLOC_COST;
150 RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
151 RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
153 RTSflags.GranFlags.DoFairSchedule = rtsFalse;
154 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
155 RTSflags.GranFlags.DoStealThreadsFirst = rtsFalse;
156 RTSflags.GranFlags.SimplifiedFetch = rtsFalse;
157 RTSflags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
158 RTSflags.GranFlags.DoGUMMFetching = rtsFalse;
159 RTSflags.GranFlags.DoThreadMigration = rtsFalse;
160 RTSflags.GranFlags.FetchStrategy = 2;
161 RTSflags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
162 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
163 RTSflags.GranFlags.DoPriorityScheduling = rtsFalse;
164 RTSflags.GranFlags.SparkPriority = 0;
165 RTSflags.GranFlags.SparkPriority2 = 0;
166 RTSflags.GranFlags.RandomPriorities = rtsFalse;
167 RTSflags.GranFlags.InversePriorities = rtsFalse;
168 RTSflags.GranFlags.IgnorePriorities = rtsFalse;
169 RTSflags.GranFlags.ThunksToPack = 0;
170 RTSflags.GranFlags.RandomSteal = rtsTrue;
171 RTSflags.GranFlags.NoForward = rtsFalse;
172 RTSflags.GranFlags.PrintFetchMisses = rtsFalse;
174 RTSflags.GranFlags.debug = 0x0;
175 RTSflags.GranFlags.event_trace = rtsFalse;
176 RTSflags.GranFlags.event_trace_all = rtsFalse;
180 RTSflags.TickyFlags.showTickyStats = rtsFalse;
181 RTSflags.TickyFlags.tickyFile = NULL;
183 AllFlags.doUpdEntryCounts = rtsTrue; /*ToDo:move? */
188 %************************************************************************
190 \subsection{Usage message for runtime-system (RTS) flags}
192 %************************************************************************
198 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
200 " +RTS Indicates run time system options follow",
201 " -RTS Indicates program arguments follow",
202 " --RTS Indicates that ALL subsequent arguments will be given to the",
203 " program (including any of these RTS flags)",
205 "The following run time system options are available:",
207 " -? -f Prints this message and exits; the program is not executed",
209 " -K<size> Sets the stack size (default 64k) Egs: -K32k -K512k",
210 " -H<size> Sets the heap size (default 4M) -H512k -H16M",
211 " -s<file> Summary GC statistics (default file: <program>.stat)",
212 " -S<file> Detailed GC statistics (with -Sstderr going to stderr)",
215 " -M<n>% Sets minimum size of alloc area as % of heap (default 3%)",
216 " -A<size> Fixes size of alloc area, overriding any minimum (-A gives 64k)",
217 " -G<size> Fixes size of major generation (default is dynamic threshold)",
218 " -F2s Forces program compiled for Appel gc to use 2s collection",
221 " -A<size> Specifies size of alloc area (default 64k)",
222 " -G<size> Fixes size of major generation (default is available heap)",
223 " -F2s Forces program compiled for Gen gc to use 2s collection",
225 " -M<n>% Minimum % of heap which must be available (default 3%)",
226 " -A<size> Fixes size of heap area allocated between GCs (-A gives 64k)",
229 " -j<size> Forces major GC at every <size> bytes allocated",
231 " -u<percent> Fixes residency threshold at which mode switches (range 0.0..0.95)",
234 " -N No black-holing during GC (for use when a signal handler is present)",
235 " -Z Don't squeeze out update frames on stack overflow",
236 " -B Sound the bell at the start of each (major) garbage collection",
237 #if defined(PROFILING) || defined(PAR)
239 " -p<sort> Produce cost centre time profile (output file <program>.prof)",
240 " sort: T = time (default), A = alloc, C = cost centre label",
241 " -P<sort> Produce serial time profile (output file <program>.time)",
242 " and a -p profile with detailed tick/alloc info",
243 # if defined(PROFILING)
245 " -h<break-down> Heap residency profile (output file <program>.hp)",
246 " break-down: C = cost centre (default), M = module, G = group",
247 " D = closure description, Y = type description",
248 " T<ints>,<start> = time closure created",
249 " ints: no. of interval bands plotted (default 18)",
250 " start: seconds after which intervals start (default 0.0)",
251 " A subset of closures may be selected by the attached cost centre using:",
252 " -c{mod:lab,mod:lab...}, specific module:label cost centre(s)",
253 " -m{mod,mod...} all cost centres from the specified modules(s)",
254 " -g{grp,grp...} all cost centres from the specified group(s)",
255 " Selections can also be made by description, type, kind and age:",
256 " -d{des,des...} closures with specified closure descriptions",
257 " -y{typ,typ...} closures with specified type descriptions",
258 " -k{knd,knd...} closures of the specified kinds",
259 " -a<age> closures which survived <age> complete intervals",
260 " The selection logic used is summarised as follows:",
261 " ([-c] or [-m] or [-g]) and ([-d] or [-y] or [-k]) and [-a]",
262 " where an option is true if not specified",
265 " -z<tbl><size> set hash table <size> for <tbl> (C, M, G, D or Y)",
267 " -i<secs> Number of seconds in a profiling interval (default 1.0):",
268 " heap profile (-h) and/or serial time profile (-P) frequency",
269 #endif /* PROFILING or PAR */
271 #if defined(TICKY_TICKY)
272 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
275 " -T<level> Trace garbage collection execution (debugging)",
279 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
280 /* NB: the -N<n> is implemented by the driver!! */
282 " -C<secs> Context-switch interval in seconds",
283 " (0 or no argument means switch as often as possible)",
284 " the default is .01 sec; resolution is .01 sec",
285 " -e<size> Size of spark pools (default 100)",
287 " -q Enable activity profile (output files in ~/<program>*.gr)",
288 " -qb Enable binary activity profile (output file /tmp/<program>.gb)",
289 " -Q<size> Set pack-buffer size (default: 1024)",
291 " -q[v] Enable quasi-parallel profile (output file <program>.qp)",
293 " -t<num> Set maximum number of advisory threads per PE (default 32)",
294 " -o<num> Set stack chunk size (default 1024)",
296 " -d Turn on PVM-ish debugging",
297 " -O Disable output for performance measurement",
299 # ifdef GRAN /* ToDo: fill in decent Docu here */
300 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
302 #endif /* CONCURRENT */
304 "Other RTS options may be available for programs compiled a different way.",
305 "The GHC User's Guide has full details.",
311 %************************************************************************
313 \subsection{Processing command-line arguments to set @RTSFlags@}
315 %************************************************************************
322 extern double atof();
323 /* no proto because some machines use const and some do not */
326 static __inline__ rtsBool
327 strequal(const char *a, const char * b)
329 return(strcmp(a, b) == 0);
333 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
335 rtsBool error = rtsFalse;
340 /* Remove directory from argv[0] -- default files in current directory */
342 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
343 strcpy(argv[0], last_slash+1);
345 /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
346 /* argv[0] must be PGM argument -- leave in argv */
354 for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
355 if (strequal("+RTS", argv[arg])) {
358 else if (strequal("-RTS", argv[arg])) {
361 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
362 rts_argv[(*rts_argc)++] = argv[arg];
364 else if (mode == PGM) {
365 argv[(*argc)++] = argv[arg];
369 fprintf(stderr, "setupRtsFlags: Too many RTS arguments (max %d)\n",
374 if (arg < total_arg) {
375 /* arg must be --RTS; process remaining program arguments */
376 while (++arg < total_arg) {
377 argv[(*argc)++] = argv[arg];
380 argv[*argc] = (char *) 0;
381 rts_argv[*rts_argc] = (char *) 0;
383 /* Process RTS (rts_argv) part: mainly to determine statsfile */
385 for (arg = 0; arg < *rts_argc; arg++) {
386 if (rts_argv[arg][0] != '-') {
388 fprintf(stderr, "setupRtsFlags: Unexpected RTS argument: %s\n",
393 switch(rts_argv[arg][1]) {
395 /* process: general args, then PROFILING-only ones,
396 then CONCURRENT-only, PARallel-only, GRAN-only,
397 TICKY-only (same order as defined in RtsFlags.lh);
398 within those groups, mostly in case-insensitive
403 # define TICKY_BUILD_ONLY(x) x
405 # define TICKY_BUILD_ONLY(x) \
406 fprintf(stderr, "setupRtsFlags: GHC not built for: ticky-ticky stats\n"); \
410 #if (defined(PROFILING) || defined(PAR))
411 # define COST_CENTRE_USING_BUILD_ONLY(x) x
413 # define COST_CENTRE_USING_BUILD_ONLY(x) \
414 fprintf(stderr, "setupRtsFlags: GHC not built for: -prof or -parallel\n"); \
419 # define PROFILING_BUILD_ONLY(x) x
421 # define PROFILING_BUILD_ONLY(x) \
422 fprintf(stderr, "setupRtsFlags: GHC not built for: -prof\n"); \
427 # define CONCURRENT_BUILD_ONLY(x) x
429 # define CONCURRENT_BUILD_ONLY(x) \
430 fprintf(stderr, "setupRtsFlags: GHC not built for: -concurrent\n"); \
435 # define PAR_BUILD_ONLY(x) x
437 # define PAR_BUILD_ONLY(x) \
438 fprintf(stderr, "setupRtsFlags: GHC not built for: -parallel\n"); \
443 # define GRAN_BUILD_ONLY(x) x
445 # define GRAN_BUILD_ONLY(x) \
446 fprintf(stderr, "setupRtsFlags: GHC not built for: -gransim\n"); \
450 /* =========== GENERAL ========================== */
457 RTSflags.GcFlags.allocAreaSize
458 = decode(rts_argv[arg]+2) / sizeof(W_);
459 RTSflags.GcFlags.allocAreaSizeGiven = rtsTrue;
463 RTSflags.GcFlags.ringBell = rtsTrue;
467 if (strequal(rts_argv[arg]+2, "2s")) {
468 RTSflags.GcFlags.force2s = rtsTrue;
470 bad_option( rts_argv[arg] );
475 RTSflags.GcFlags.specifiedOldGenSize
476 = decode(rts_argv[arg]+2) / sizeof(W_);
480 RTSflags.GcFlags.stksSize = decode(rts_argv[arg]+2) / sizeof(W_);
482 if (RTSflags.GcFlags.stksSize == 0) bad_option( rts_argv[arg] );
486 RTSflags.GcFlags.heapSize = decode(rts_argv[arg]+2) / sizeof(W_);
487 /* user give size in *bytes* but "heapSize" is in *words* */
489 if (RTSflags.GcFlags.heapSize <= 0) bad_option(rts_argv[arg]);
492 case 'j': /* force GC option */
493 RTSflags.GcFlags.forceGC = rtsTrue;
494 if (rts_argv[arg][2]) {
495 RTSflags.GcFlags.forcingInterval
496 = decode(rts_argv[arg]+2) / sizeof(W_);
501 RTSflags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
503 if (RTSflags.GcFlags.pcFreeHeap < 0 || RTSflags.GcFlags.pcFreeHeap > 100)
504 bad_option( rts_argv[arg] );
508 RTSflags.GcFlags.lazyBlackHoling = rtsFalse;
512 RTSflags.GcFlags.doSelectorsAtGC = rtsFalse;
515 case 'S': /* NB: no difference at present ! */
517 RTSflags.GcFlags.giveStats ++; /* will be VERBOSE_GC_STATS */
519 /* Opening all those files would almost certainly fail... */
520 RTSflags.ParFlags.parallelStats = rtsTrue;
521 RTSflags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
523 RTSflags.GcFlags.statsFile
524 = open_stats_file(arg, *argc, argv,
525 *rts_argc, rts_argv, STAT_FILENAME_FMT);
527 if (RTSflags.GcFlags.statsFile == NULL) error = rtsTrue;
532 if (rts_argv[arg][2] != '\0')
533 RTSflags.GcFlags.trace
534 = (W_) strtol(rts_argv[arg]+2, (char **)NULL, 0);
536 RTSflags.GcFlags.trace = 1; /* slightly weird; why, really? */
540 RTSflags.GcFlags.squeezeUpdFrames = rtsFalse;
543 /* =========== PROFILING ========================== */
545 case 'P': /* detailed cost centre profiling (time/alloc) */
546 COST_CENTRE_USING_BUILD_ONLY(
547 RTSflags.CcFlags.doCostCentres++;
549 case 'p': /* cost centre profiling (time/alloc) */
550 COST_CENTRE_USING_BUILD_ONLY(
551 RTSflags.CcFlags.doCostCentres++;
553 switch (rts_argv[arg][2]) {
557 RTSflags.CcFlags.sortBy = rts_argv[arg][2];
560 RTSflags.CcFlags.sortBy = SORTCC_TIME;
565 case 'i': /* serial profiling -- initial timer interval */
566 COST_CENTRE_USING_BUILD_ONLY(
567 interval_ticks = (I_) ((atof(rts_argv[arg]+2) * TICK_FREQUENCY));
568 if (interval_ticks <= 0)
572 case 'h': /* serial heap profile */
573 PROFILING_BUILD_ONLY(
574 switch (rts_argv[arg][2]) {
577 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_CC;
580 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
583 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_GRP;
586 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
589 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
592 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TIME;
593 if (rts_argv[arg][3]) {
594 char *start_str = strchr(rts_argv[arg]+3, ',');
596 if (start_str) *start_str = '\0';
598 if ((intervals = decode(rts_argv[arg]+3)) != 0) {
599 time_intervals = (hash_t) intervals;
600 /* ToDo: and what if it *is* zero intervals??? */
603 earlier_ticks = (I_)((atof(start_str + 1) * TICK_FREQUENCY));
608 fprintf(stderr, "Invalid heap profile option: %s\n",
614 case 'z': /* size of index tables */
615 PROFILING_BUILD_ONLY(
616 switch (rts_argv[arg][2]) {
618 max_cc_no = (hash_t) decode(rts_argv[arg]+3);
619 if (max_cc_no == 0) {
620 fprintf(stderr, "Bad number of cost centres %s\n", rts_argv[arg]);
625 max_mod_no = (hash_t) decode(rts_argv[arg]+3);
626 if (max_mod_no == 0) {
627 fprintf(stderr, "Bad number of modules %s\n", rts_argv[arg]);
632 max_grp_no = (hash_t) decode(rts_argv[arg]+3);
633 if (max_grp_no == 0) {
634 fprintf(stderr, "Bad number of groups %s\n", rts_argv[arg]);
639 max_descr_no = (hash_t) decode(rts_argv[arg]+3);
640 if (max_descr_no == 0) {
641 fprintf(stderr, "Bad number of closure descriptions %s\n", rts_argv[arg]);
646 max_type_no = (hash_t) decode(rts_argv[arg]+3);
647 if (max_type_no == 0) {
648 fprintf(stderr, "Bad number of type descriptions %s\n", rts_argv[arg]);
653 fprintf(stderr, "Invalid index table size option: %s\n",
659 case 'c': /* cost centre label select */
660 case 'm': /* cost centre module select */
661 case 'g': /* cost centre group select */
662 case 'd': /* closure descr select */
663 case 'y': /* closure type select */
664 case 'k': /* closure kind select */
665 PROFILING_BUILD_ONLY(
666 {char *left = strchr(rts_argv[arg], '{');
667 char *right = strrchr(rts_argv[arg], '}');
669 if (! left || ! right ||
670 strrchr(rts_argv[arg], '{') != left ||
671 strchr(rts_argv[arg], '}') != right) {
672 fprintf(stderr, "Invalid heap profiling selection bracketing\n %s\n", rts_argv[arg]);
676 switch (rts_argv[arg][1]) {
677 case 'c': /* cost centre label select */
678 RTSflags.ProfFlags.ccSelector = left + 1;
680 case 'm': /* cost centre module select */
681 RTSflags.ProfFlags.modSelector = left + 1;
683 case 'g': /* cost centre group select */
684 RTSflags.ProfFlags.grpSelector = left + 1;
686 case 'd': /* closure descr select */
687 RTSflags.ProfFlags.descrSelector = left + 1;
689 case 'y': /* closure type select */
690 RTSflags.ProfFlags.typeSelector = left + 1;
692 case 'k': /* closure kind select */
693 RTSflags.ProfFlags.kindSelector = left + 1;
699 /* =========== CONCURRENT ========================= */
700 case 'C': /* context switch interval */
701 CONCURRENT_BUILD_ONLY (
702 if (rts_argv[arg][2] == '\0')
703 RTSflags.ConcFlags.ctxtSwitchTime = 0;
707 /* Convert to milliseconds */
708 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
709 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
710 if (cst < CS_MIN_MILLISECS)
711 cst = CS_MIN_MILLISECS;
713 RTSflags.ConcFlags.ctxtSwitchTime = cst;
718 CONCURRENT_BUILD_ONLY(
719 if (rts_argv[arg][2] != '\0') {
720 RTSflags.ConcFlags.maxThreads
721 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
723 fprintf(stderr, "setupRtsFlags: missing size for -t\n");
729 CONCURRENT_BUILD_ONLY (
730 if (rts_argv[arg][2] != '\0') {
731 I_ size = decode(rts_argv[arg]+2);
733 if (size < MIN_STKO_CHUNK_SIZE)
734 size = MIN_STKO_CHUNK_SIZE;
736 RTSflags.ConcFlags.stkChunkSize = size;
738 fprintf(stderr, "setupRtsFlags: missing size for -o\n");
743 /* =========== PARALLEL =========================== */
745 CONCURRENT_BUILD_ONLY(
746 if (rts_argv[arg][2] != '\0') { /* otherwise, stick w/ the default */
748 RTSflags.ConcFlags.maxLocalSparks
749 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
751 if (RTSflags.ConcFlags.maxLocalSparks <= 0) {
752 fprintf(stderr, "setupRtsFlags: bad value for -e\n");
760 RTSflags.ParFlags.outputDisabled = rtsTrue;
763 case 'q': /* activity profile option */
765 if (rts_argv[arg][2] == 'b')
766 RTSflags.ParFlags.granSimStats_Binary = rtsTrue;
768 RTSflags.ParFlags.granSimStats = rtsTrue;
772 case 'q': /* quasi-parallel profile option */
774 if (rts_argv[arg][2] == 'v')
781 case 'Q': /* Set pack buffer size */
783 if (rts_argv[arg][2] != '\0') {
784 RTSflags.ParFlags.packBufferSize = decode(rts_argv[arg]+2);
786 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
791 /* =========== GRAN =============================== */
795 process_gran_option(arg, rts_argc, rts_argv, &error);
798 /* =========== TICKY ============================== */
800 case 'r': /* Basic profiling stats */
803 RTSflags.TickyFlags.showTickyStats = rtsTrue;
804 RTSflags.TickyFlags.tickyFile
805 = open_stats_file(arg, *argc, argv,
806 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
808 if (RTSflags.TickyFlags.tickyFile == NULL) error = rtsTrue;
811 /* =========== OH DEAR ============================ */
813 fprintf(stderr, "setupRtsFlags: Unknown RTS option: %s\n",rts_argv[arg]);
823 for (p = usage_text; *p; p++)
824 fprintf(stderr, "%s\n", *p);
832 enable_GrAnSimLight() {
834 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
835 RTSflags.GranFlags.Light=rtsTrue;
836 RTSflags.GranFlags.gran_latency =
837 RTSflags.GranFlags.gran_fetchtime =
838 RTSflags.GranFlags.gran_additional_latency =
839 RTSflags.GranFlags.gran_gunblocktime =
840 RTSflags.GranFlags.gran_lunblocktime =
841 RTSflags.GranFlags.gran_threadcreatetime =
842 RTSflags.GranFlags.gran_threadqueuetime =
843 RTSflags.GranFlags.gran_threadscheduletime =
844 RTSflags.GranFlags.gran_threaddescheduletime =
845 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
847 RTSflags.GranFlags.gran_mpacktime =
848 RTSflags.GranFlags.gran_munpacktime = 0;
850 RTSflags.GranFlags.DoFairSchedule = rtsTrue;
851 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
852 RTSflags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
853 /* FetchStrategy is irrelevant in GrAnSim-Light */
855 /* GrAnSim Light often creates an abundance of parallel threads,
856 each with its own stack etc. Therefore, it's in general a good
857 idea to use small stack chunks (use the -o<size> option to
860 RTSflags.ConcFlags.stkChunkSize = 100;
862 RTSflags.GranFlags.proc = 1;
866 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
868 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
871 /* Should we emulate hbcpp */
872 if(strcmp((rts_argv[arg]+2),"roken")==0) {
873 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
874 strcpy(rts_argv[arg]+2,"oring");
877 /* or a ridiculously idealised simulator */
878 if(strcmp((rts_argv[arg]+2),"oring")==0) {
879 RTSflags.GranFlags.gran_latency =
880 RTSflags.GranFlags.gran_fetchtime =
881 RTSflags.GranFlags.gran_additional_latency =
882 RTSflags.GranFlags.gran_gunblocktime =
883 RTSflags.GranFlags.gran_lunblocktime =
884 RTSflags.GranFlags.gran_threadcreatetime =
885 RTSflags.GranFlags.gran_threadqueuetime =
886 RTSflags.GranFlags.gran_threadscheduletime =
887 RTSflags.GranFlags.gran_threaddescheduletime =
888 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
890 RTSflags.GranFlags.gran_mpacktime =
891 RTSflags.GranFlags.gran_munpacktime = 0;
893 RTSflags.GranFlags.gran_arith_cost =
894 RTSflags.GranFlags.gran_float_cost =
895 RTSflags.GranFlags.gran_load_cost =
896 RTSflags.GranFlags.gran_store_cost =
897 RTSflags.GranFlags.gran_branch_cost = 0;
899 RTSflags.GranFlags.gran_heapalloc_cost = 1;
901 /* ++RTSflags.GranFlags.DoFairSchedule; */
902 RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
903 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
904 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
908 /* or a somewhat idealised simulator */
909 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
910 RTSflags.GranFlags.gran_latency =
911 RTSflags.GranFlags.gran_fetchtime =
912 RTSflags.GranFlags.gran_additional_latency =
913 RTSflags.GranFlags.gran_gunblocktime =
914 RTSflags.GranFlags.gran_lunblocktime =
915 RTSflags.GranFlags.gran_threadcreatetime =
916 RTSflags.GranFlags.gran_threadqueuetime =
917 RTSflags.GranFlags.gran_threadscheduletime =
918 RTSflags.GranFlags.gran_threaddescheduletime =
919 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
921 RTSflags.GranFlags.gran_mpacktime =
922 RTSflags.GranFlags.gran_munpacktime = 0;
924 RTSflags.GranFlags.gran_heapalloc_cost = 1;
926 /* RTSflags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
927 /* RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
928 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue; /* -bZ */
929 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
930 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
931 # if defined(GRAN_CHECK) && defined(GRAN)
932 RTSflags.GranFlags.debug = 0x20; /* print event statistics */
937 /* Communication and task creation cost parameters */
938 switch(rts_argv[arg][2]) {
940 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
944 if (rts_argv[arg][3] != '\0')
946 RTSflags.GranFlags.gran_gunblocktime =
947 RTSflags.GranFlags.gran_latency = decode(rts_argv[arg]+3);
948 RTSflags.GranFlags.gran_fetchtime = 2*RTSflags.GranFlags.gran_latency;
951 RTSflags.GranFlags.gran_latency = LATENCY;
955 if (rts_argv[arg][3] != '\0')
956 RTSflags.GranFlags.gran_additional_latency = decode(rts_argv[arg]+3);
958 RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
962 if (rts_argv[arg][3] != '\0')
963 RTSflags.GranFlags.gran_mpacktime = decode(rts_argv[arg]+3);
965 RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
969 if (rts_argv[arg][3] != '\0')
970 RTSflags.GranFlags.gran_mtidytime = decode(rts_argv[arg]+3);
972 RTSflags.GranFlags.gran_mtidytime = 0;
976 if (rts_argv[arg][3] != '\0')
977 RTSflags.GranFlags.gran_munpacktime = decode(rts_argv[arg]+3);
979 RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
983 if (rts_argv[arg][3] != '\0')
984 RTSflags.GranFlags.gran_fetchtime = decode(rts_argv[arg]+3);
986 RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
990 if (rts_argv[arg][3] != '\0')
991 RTSflags.GranFlags.gran_gunblocktime = decode(rts_argv[arg]+3);
993 RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
997 if (rts_argv[arg][3] != '\0')
998 RTSflags.GranFlags.gran_lunblocktime = decode(rts_argv[arg]+3);
1000 RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
1003 /* Thread-related metrics */
1005 if (rts_argv[arg][3] != '\0')
1006 RTSflags.GranFlags.gran_threadcreatetime = decode(rts_argv[arg]+3);
1008 RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
1012 if (rts_argv[arg][3] != '\0')
1013 RTSflags.GranFlags.gran_threadqueuetime = decode(rts_argv[arg]+3);
1015 RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
1019 if (rts_argv[arg][3] != '\0')
1020 RTSflags.GranFlags.gran_threadscheduletime = decode(rts_argv[arg]+3);
1022 RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
1024 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1025 + RTSflags.GranFlags.gran_threaddescheduletime;
1029 if (rts_argv[arg][3] != '\0')
1030 RTSflags.GranFlags.gran_threaddescheduletime = decode(rts_argv[arg]+3);
1032 RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
1034 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1035 + RTSflags.GranFlags.gran_threaddescheduletime;
1038 /* Instruction Cost Metrics */
1040 if (rts_argv[arg][3] != '\0')
1041 RTSflags.GranFlags.gran_arith_cost = decode(rts_argv[arg]+3);
1043 RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
1047 if (rts_argv[arg][3] != '\0')
1048 RTSflags.GranFlags.gran_float_cost = decode(rts_argv[arg]+3);
1050 RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
1054 if (rts_argv[arg][3] != '\0')
1055 RTSflags.GranFlags.gran_branch_cost = decode(rts_argv[arg]+3);
1057 RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
1061 if (rts_argv[arg][3] != '\0')
1062 RTSflags.GranFlags.gran_load_cost = decode(rts_argv[arg]+3);
1064 RTSflags.GranFlags.gran_load_cost = LOAD_COST;
1068 if (rts_argv[arg][3] != '\0')
1069 RTSflags.GranFlags.gran_store_cost = decode(rts_argv[arg]+3);
1071 RTSflags.GranFlags.gran_store_cost = STORE_COST;
1075 if (rts_argv[arg][3] != '\0')
1076 RTSflags.GranFlags.gran_heapalloc_cost = decode(rts_argv[arg]+3);
1078 RTSflags.GranFlags.gran_heapalloc_cost = 0;
1082 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue;
1083 if (rts_argv[arg][3] != '\0')
1084 RTSflags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1086 RTSflags.GranFlags.FetchStrategy = 2;
1087 if (RTSflags.GranFlags.FetchStrategy == 0)
1088 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
1091 case 'K': /* sort overhead (per elem in spark list) */
1092 if (rts_argv[arg][3] != '\0')
1093 RTSflags.GranFlags.gran_pri_spark_overhead = decode(rts_argv[arg]+3);
1095 RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
1096 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1097 RTSflags.GranFlags.gran_pri_spark_overhead);
1100 case 'O': /* sort overhead (per elem in spark list) */
1101 if (rts_argv[arg][3] != '\0')
1102 RTSflags.GranFlags.gran_pri_sched_overhead = decode(rts_argv[arg]+3);
1104 RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
1105 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1106 RTSflags.GranFlags.gran_pri_sched_overhead);
1109 /* General Parameters */
1111 if (rts_argv[arg][3] != '\0')
1113 RTSflags.GranFlags.proc = decode(rts_argv[arg]+3);
1114 if (RTSflags.GranFlags.proc==0) {
1115 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
1116 } else if (RTSflags.GranFlags.proc > MAX_PROC ||
1117 RTSflags.GranFlags.proc < 1)
1119 fprintf(stderr,"setupRtsFlags: no more than %u processors
1126 RTSflags.GranFlags.proc = MAX_PROC;
1130 if (rts_argv[arg][3] != '\0')
1131 RTSflags.GranFlags.max_fishes = decode(rts_argv[arg]+3);
1133 RTSflags.GranFlags.max_fishes = MAX_FISHES;
1137 if (rts_argv[arg][3] != '\0')
1138 RTSflags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1140 RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
1144 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1145 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1149 fprintf(stderr,"Bulk fetching enabled.\n");
1150 RTSflags.GranFlags.DoGUMMFetching=rtsTrue;
1154 fprintf(stderr,"Thread migration enabled.\n");
1155 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1159 fprintf(stderr,"Fair Scheduling enabled.\n");
1160 RTSflags.GranFlags.DoFairSchedule=rtsTrue;
1164 fprintf(stderr,"Priority Scheduling enabled.\n");
1165 RTSflags.GranFlags.DoPriorityScheduling=rtsTrue;
1169 RTSflags.GranFlags.DoStealThreadsFirst=rtsTrue;
1170 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1174 RTSflags.GranFlags.DoReScheduleOnFetch=rtsTrue;
1178 RTSflags.GranFlags.SimplifiedFetch=rtsTrue;
1182 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1186 RTSflags.GranFlags.granSimStats_Binary=rtsTrue;
1190 RTSflags.GranFlags.granSimStats=rtsTrue;
1194 RTSflags.GranFlags.granSimStats_Sparks=rtsTrue;
1198 RTSflags.GranFlags.granSimStats_Heap=rtsTrue;
1202 RTSflags.GranFlags.labelling=rtsTrue;
1205 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1206 if (rts_argv[arg][3] != '\0') {
1209 arg0 = rts_argv[arg]+3;
1210 if ((tmp = strstr(arg0,","))==NULL) {
1211 RTSflags.GranFlags.SparkPriority = decode(arg0);
1212 fprintf(stderr,"SparkPriority: %u.\n",RTSflags.GranFlags.SparkPriority);
1215 RTSflags.GranFlags.SparkPriority = decode(arg0);
1216 RTSflags.GranFlags.SparkPriority2 = decode(tmp);
1217 fprintf(stderr,"SparkPriority: %u.\n",
1218 RTSflags.GranFlags.SparkPriority);
1219 fprintf(stderr,"SparkPriority2:%u.\n",
1220 RTSflags.GranFlags.SparkPriority2);
1221 if (RTSflags.GranFlags.SparkPriority2 <
1222 RTSflags.GranFlags.SparkPriority) {
1223 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1224 RTSflags.GranFlags.SparkPriority2,
1225 RTSflags.GranFlags.SparkPriority);
1229 /* plain pri spark is now invoked with -bX
1230 RTSflags.GranFlags.DoPrioritySparking = 1;
1231 fprintf(stderr,"PrioritySparking.\n");
1237 if (rts_argv[arg][3] != '\0') {
1238 RTSflags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1240 RTSflags.GranFlags.ThunksToPack = 1;
1242 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1243 RTSflags.GranFlags.ThunksToPack);
1247 RTSflags.GranFlags.RandomSteal = rtsFalse;
1248 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1251 /* The following class of options contains eXperimental */
1252 /* features in connection with exploiting granularity */
1253 /* information. I.e. if -bY is chosen these options */
1254 /* tell the RTS what to do with the supplied info --HWL */
1257 if (rts_argv[arg][3] != '\0') {
1258 RTSflags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1260 RTSflags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1262 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1263 RTSflags.GranFlags.packBufferSize_internal);
1267 switch(rts_argv[arg][3]) {
1270 RTSflags.GranFlags.DoPrioritySparking = 1;
1271 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1272 RTSflags.GranFlags.InversePriorities = rtsFalse;
1273 RTSflags.GranFlags.RandomPriorities = rtsFalse;
1274 RTSflags.GranFlags.IgnorePriorities = rtsFalse;
1278 RTSflags.GranFlags.DoPrioritySparking = 1;
1279 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1280 RTSflags.GranFlags.InversePriorities++;
1284 RTSflags.GranFlags.DoPrioritySparking = 1;
1285 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1286 RTSflags.GranFlags.RandomPriorities++;
1290 RTSflags.GranFlags.DoPrioritySparking = 1;
1291 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1292 RTSflags.GranFlags.IgnorePriorities++;
1296 bad_option( rts_argv[arg] );
1302 switch(rts_argv[arg][3]) {
1305 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1306 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1310 RTSflags.GranFlags.DoGUMMFetching=rtsFalse;
1314 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1318 RTSflags.GranFlags.DoFairSchedule=rtsFalse;
1322 RTSflags.GranFlags.DoStealThreadsFirst=rtsFalse;
1323 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1327 RTSflags.GranFlags.DoReScheduleOnFetch=rtsFalse;
1331 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1335 RTSflags.GranFlags.granSimStats_suppressed=rtsTrue;
1339 RTSflags.GranFlags.granSimStats_Sparks=rtsFalse;
1343 RTSflags.GranFlags.granSimStats_Heap=rtsFalse;
1347 RTSflags.GranFlags.granSimStats_Binary=rtsFalse;
1351 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1355 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1356 RTSflags.GranFlags.SparkPriority = rtsFalse;
1360 RTSflags.GranFlags.DoPriorityScheduling = rtsFalse;
1364 RTSflags.GranFlags.RandomSteal = rtsFalse;
1368 bad_option( rts_argv[arg] );
1373 # if defined(GRAN_CHECK) && defined(GRAN)
1375 switch(rts_argv[arg][3]) {
1376 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1377 if (rts_argv[arg][4] != '\0') {
1378 RTSflags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1379 fprintf(stderr,"Pack buffer size: %d\n",
1380 RTSflags.GranFlags.packBufferSize);
1382 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1387 case 'e': /* event trace */
1388 fprintf(stderr,"Printing event trace.\n");
1389 RTSflags.GranFlags.event_trace=rtsTrue;
1393 fprintf(stderr,"Printing forwarding of FETCHNODES.\n");
1394 RTSflags.GranFlags.debug |= 0x2; /* print fwd messages */
1398 fprintf(stderr,"Check for blocked on fetch.\n");
1399 RTSflags.GranFlags.debug |= 0x4; /* debug non-reschedule-on-fetch */
1403 fprintf(stderr,"Check for TSO asleep on fetch.\n");
1404 RTSflags.GranFlags.debug |= 0x10; /* debug TSO asleep for fetch */
1408 fprintf(stderr,"Printing event statistics.\n");
1409 RTSflags.GranFlags.debug |= 0x20; /* print event statistics */
1413 fprintf(stderr,"Prohibiting forward.\n");
1414 RTSflags.GranFlags.NoForward = rtsTrue; /* prohibit forwarding */
1418 fprintf(stderr,"Printing fetch misses.\n");
1419 RTSflags.GranFlags.PrintFetchMisses = rtsTrue; /* prohibit forwarding */
1423 fprintf(stderr,"Debug mode.\n");
1424 RTSflags.GranFlags.debug |= 0x40;
1428 fprintf(stderr,"Severe debug mode.\n");
1429 RTSflags.GranFlags.debug |= 0x80;
1433 fprintf(stderr,"FULL event trace.\n");
1434 RTSflags.GranFlags.event_trace_all =rtsTrue;
1438 fprintf(stderr,"Debugging packet fetching.\n");
1439 RTSflags.GranFlags.debug |= 0x100;
1443 fprintf(stderr,"Ignore events till end of time slice\n");
1444 RTSflags.GranFlags.debug |= 0x200;
1445 IgnoreEvents = rtsTrue;
1449 fprintf(stderr,"Check that spark queues are sorted.\n");
1450 RTSflags.GranFlags.debug |= 0x400;
1454 fprintf(stderr,"Print heap allocation messages (RBH).\n");
1455 RTSflags.GranFlags.debug |= 0x800;
1459 fprintf(stderr,"Debug breadth-first pruning.\n");
1460 RTSflags.GranFlags.debug |= 0x1000;
1464 fprintf(stderr,"Debug random stealing.\n");
1465 RTSflags.GranFlags.debug |= 0x2000;
1469 fprintf(stderr,"Debug busyness.\n");
1470 RTSflags.GranFlags.debug |= 0x4000;
1474 fprintf(stderr,"Debug pack buffer handling.\n");
1475 RTSflags.GranFlags.debug |= 0x8000;
1479 fprintf(stderr,"Debug spark-queue manipulations.\n");
1480 RTSflags.GranFlags.debug |= 0x10000;
1484 fprintf(stderr,"Debug GrAnSim Light.\n");
1485 RTSflags.GranFlags.debug |= 0x20000;
1489 RTSflags.GranFlags.debug = 1;
1493 bad_option( rts_argv[arg] );
1497 # endif /* GRAN_CHECK */
1499 bad_option( rts_argv[arg] );
1506 %************************************************************************
1508 \subsection{Profiling RTS Arguments}
1510 %************************************************************************
1513 I_ MaxResidency = 0; /* in words; for stats only */
1514 I_ ResidencySamples = 0; /* for stats only */
1519 RTSflags.GcFlags.minAllocAreaSize
1520 = (I_) (RTSflags.GcFlags.heapSize * RTSflags.GcFlags.pcFreeHeap / 100);
1522 This needs to be here, in case the user changed some of these
1523 values with a "hook".
1528 %************************************************************************
1530 \subsection{Utility bits}
1532 %************************************************************************
1535 static FILE * /* return NULL on error */
1538 int argc, char *argv[],
1539 int rts_argc, char *rts_argv[],
1540 const char *FILENAME_FMT)
1544 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1546 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1547 f = fopen(rts_argv[arg]+2,"w");
1549 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1550 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1551 f = fopen(stats_filename,"w");
1554 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1556 /* Write argv and rtsv into start of stats file */
1558 for(count = 0; count < argc; count++)
1559 fprintf(f, "%s ", argv[count]);
1560 fprintf(f, "+RTS ");
1561 for(count = 0; count < rts_argc; count++)
1562 fprintf(f, "%s ", rts_argv[count]);
1570 decode(const char *s)
1581 if (c == 'g' || c == 'G')
1582 m *= 1000*1000*1000; /* UNchecked! */
1583 else if (c == 'm' || c == 'M')
1584 m *= 1000*1000; /* We do not use powers of 2 (1024) */
1585 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
1586 m *= 1000; /* a direct-mapped cache. */
1587 else if (c == 'w' || c == 'W')
1594 bad_option(const char *s)
1597 fprintf(stderr, "initSM: Bad RTS option: %s\n", s);