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; see GranSim User's Guide for details",
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];
552 break; /* we do not care about sortBy for parallel */
554 PROFILING_BUILD_ONLY(
555 fprintf(stderr, "Invalid profiling sort option %s\n", rts_argv[arg]);
561 case 'i': /* serial profiling -- initial timer interval */
562 COST_CENTRE_USING_BUILD_ONLY(
563 interval_ticks = (I_) ((atof(rts_argv[arg]+2) * TICK_FREQUENCY));
564 if (interval_ticks <= 0)
568 case 'h': /* serial heap profile */
569 PROFILING_BUILD_ONLY(
570 switch (rts_argv[arg][2]) {
573 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_CC;
576 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
579 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_GRP;
582 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
585 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
588 RTSflags.ProfFlags.doHeapProfile = HEAP_BY_TIME;
589 if (rts_argv[arg][3]) {
590 char *start_str = strchr(rts_argv[arg]+3, ',');
592 if (start_str) *start_str = '\0';
594 if ((intervals = decode(rts_argv[arg]+3)) != 0) {
595 time_intervals = (hash_t) intervals;
596 /* ToDo: and what if it *is* zero intervals??? */
599 earlier_ticks = (I_)((atof(start_str + 1) * TICK_FREQUENCY));
604 fprintf(stderr, "Invalid heap profile option: %s\n",
610 case 'z': /* size of index tables */
611 PROFILING_BUILD_ONLY(
612 switch (rts_argv[arg][2]) {
614 max_cc_no = (hash_t) decode(rts_argv[arg]+3);
615 if (max_cc_no == 0) {
616 fprintf(stderr, "Bad number of cost centres %s\n", rts_argv[arg]);
621 max_mod_no = (hash_t) decode(rts_argv[arg]+3);
622 if (max_mod_no == 0) {
623 fprintf(stderr, "Bad number of modules %s\n", rts_argv[arg]);
628 max_grp_no = (hash_t) decode(rts_argv[arg]+3);
629 if (max_grp_no == 0) {
630 fprintf(stderr, "Bad number of groups %s\n", rts_argv[arg]);
635 max_descr_no = (hash_t) decode(rts_argv[arg]+3);
636 if (max_descr_no == 0) {
637 fprintf(stderr, "Bad number of closure descriptions %s\n", rts_argv[arg]);
642 max_type_no = (hash_t) decode(rts_argv[arg]+3);
643 if (max_type_no == 0) {
644 fprintf(stderr, "Bad number of type descriptions %s\n", rts_argv[arg]);
649 fprintf(stderr, "Invalid index table size option: %s\n",
655 case 'c': /* cost centre label select */
656 case 'm': /* cost centre module select */
657 case 'g': /* cost centre group select */
658 case 'd': /* closure descr select */
659 case 'y': /* closure type select */
660 case 'k': /* closure kind select */
661 PROFILING_BUILD_ONLY(
662 {char *left = strchr(rts_argv[arg], '{');
663 char *right = strrchr(rts_argv[arg], '}');
665 if (! left || ! right ||
666 strrchr(rts_argv[arg], '{') != left ||
667 strchr(rts_argv[arg], '}') != right) {
668 fprintf(stderr, "Invalid heap profiling selection bracketing\n %s\n", rts_argv[arg]);
672 switch (rts_argv[arg][1]) {
673 case 'c': /* cost centre label select */
674 RTSflags.ProfFlags.ccSelector = left + 1;
676 case 'm': /* cost centre module select */
677 RTSflags.ProfFlags.modSelector = left + 1;
679 case 'g': /* cost centre group select */
680 RTSflags.ProfFlags.grpSelector = left + 1;
682 case 'd': /* closure descr select */
683 RTSflags.ProfFlags.descrSelector = left + 1;
685 case 't': /* closure type select */
686 RTSflags.ProfFlags.typeSelector = left + 1;
688 case 'k': /* closure kind select */
689 RTSflags.ProfFlags.kindSelector = left + 1;
695 /* =========== CONCURRENT ========================= */
696 case 'C': /* context switch interval */
697 CONCURRENT_BUILD_ONLY (
698 if (rts_argv[arg][2] == '\0')
699 RTSflags.ConcFlags.ctxtSwitchTime = 0;
703 /* Convert to milliseconds */
704 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
705 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
706 if (cst < CS_MIN_MILLISECS)
707 cst = CS_MIN_MILLISECS;
709 RTSflags.ConcFlags.ctxtSwitchTime = cst;
714 CONCURRENT_BUILD_ONLY(
715 if (rts_argv[arg][2] != '\0') {
716 RTSflags.ConcFlags.maxThreads
717 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
719 fprintf(stderr, "setupRtsFlags: missing size for -t\n");
725 CONCURRENT_BUILD_ONLY (
726 if (rts_argv[arg][2] != '\0') {
727 I_ size = decode(rts_argv[arg]+2);
729 if (size < MIN_STKO_CHUNK_SIZE)
730 size = MIN_STKO_CHUNK_SIZE;
732 RTSflags.ConcFlags.stkChunkSize = size;
734 fprintf(stderr, "setupRtsFlags: missing size for -o\n");
739 /* =========== PARALLEL =========================== */
741 CONCURRENT_BUILD_ONLY(
742 if (rts_argv[arg][2] != '\0') { /* otherwise, stick w/ the default */
744 RTSflags.ConcFlags.maxLocalSparks
745 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
747 if (RTSflags.ConcFlags.maxLocalSparks <= 0) {
748 fprintf(stderr, "setupRtsFlags: bad value for -e\n");
756 RTSflags.ParFlags.outputDisabled = rtsTrue;
759 case 'q': /* activity profile option */
761 if (rts_argv[arg][2] == 'b')
762 RTSflags.ParFlags.granSimStats_Binary = rtsTrue;
764 RTSflags.ParFlags.granSimStats = rtsTrue;
768 case 'q': /* quasi-parallel profile option */
770 if (rts_argv[arg][2] == 'v')
777 case 'Q': /* Set pack buffer size */
779 if (rts_argv[arg][2] != '\0') {
780 RTSflags.ParFlags.packBufferSize = decode(rts_argv[arg]+2);
782 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
787 /* =========== GRAN =============================== */
791 process_gran_option(arg, rts_argc, rts_argv, &error);
794 /* =========== TICKY ============================== */
796 case 'r': /* Basic profiling stats */
799 RTSflags.TickyFlags.showTickyStats = rtsTrue;
800 RTSflags.TickyFlags.tickyFile
801 = open_stats_file(arg, *argc, argv,
802 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
804 if (RTSflags.TickyFlags.tickyFile == NULL) error = rtsTrue;
807 /* =========== OH DEAR ============================ */
809 fprintf(stderr, "setupRtsFlags: Unknown RTS option: %s\n",rts_argv[arg]);
819 for (p = usage_text; *p; p++)
820 fprintf(stderr, "%s\n", *p);
828 enable_GrAnSimLight() {
830 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
831 RTSflags.GranFlags.Light=rtsTrue;
832 RTSflags.GranFlags.gran_latency =
833 RTSflags.GranFlags.gran_fetchtime =
834 RTSflags.GranFlags.gran_additional_latency =
835 RTSflags.GranFlags.gran_gunblocktime =
836 RTSflags.GranFlags.gran_lunblocktime =
837 RTSflags.GranFlags.gran_threadcreatetime =
838 RTSflags.GranFlags.gran_threadqueuetime =
839 RTSflags.GranFlags.gran_threadscheduletime =
840 RTSflags.GranFlags.gran_threaddescheduletime =
841 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
843 RTSflags.GranFlags.gran_mpacktime =
844 RTSflags.GranFlags.gran_munpacktime = 0;
846 RTSflags.GranFlags.DoFairSchedule = rtsTrue;
847 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
848 RTSflags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
849 /* FetchStrategy is irrelevant in GrAnSim-Light */
851 /* GrAnSim Light often creates an abundance of parallel threads,
852 each with its own stack etc. Therefore, it's in general a good
853 idea to use small stack chunks (use the -o<size> option to
856 RTSflags.ConcFlags.stkChunkSize = 100;
858 RTSflags.GranFlags.proc = 1;
862 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
864 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
867 /* Should we emulate hbcpp */
868 if(strcmp((rts_argv[arg]+2),"roken")==0) {
869 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
870 strcpy(rts_argv[arg]+2,"oring");
873 /* or a ridiculously idealised simulator */
874 if(strcmp((rts_argv[arg]+2),"oring")==0) {
875 RTSflags.GranFlags.gran_latency =
876 RTSflags.GranFlags.gran_fetchtime =
877 RTSflags.GranFlags.gran_additional_latency =
878 RTSflags.GranFlags.gran_gunblocktime =
879 RTSflags.GranFlags.gran_lunblocktime =
880 RTSflags.GranFlags.gran_threadcreatetime =
881 RTSflags.GranFlags.gran_threadqueuetime =
882 RTSflags.GranFlags.gran_threadscheduletime =
883 RTSflags.GranFlags.gran_threaddescheduletime =
884 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
886 RTSflags.GranFlags.gran_mpacktime =
887 RTSflags.GranFlags.gran_munpacktime = 0;
889 RTSflags.GranFlags.gran_arith_cost =
890 RTSflags.GranFlags.gran_float_cost =
891 RTSflags.GranFlags.gran_load_cost =
892 RTSflags.GranFlags.gran_store_cost =
893 RTSflags.GranFlags.gran_branch_cost = 0;
895 RTSflags.GranFlags.gran_heapalloc_cost = 1;
897 /* ++RTSflags.GranFlags.DoFairSchedule; */
898 RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
899 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
900 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
904 /* or a somewhat idealised simulator */
905 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
906 RTSflags.GranFlags.gran_latency =
907 RTSflags.GranFlags.gran_fetchtime =
908 RTSflags.GranFlags.gran_additional_latency =
909 RTSflags.GranFlags.gran_gunblocktime =
910 RTSflags.GranFlags.gran_lunblocktime =
911 RTSflags.GranFlags.gran_threadcreatetime =
912 RTSflags.GranFlags.gran_threadqueuetime =
913 RTSflags.GranFlags.gran_threadscheduletime =
914 RTSflags.GranFlags.gran_threaddescheduletime =
915 RTSflags.GranFlags.gran_threadcontextswitchtime = 0;
917 RTSflags.GranFlags.gran_mpacktime =
918 RTSflags.GranFlags.gran_munpacktime = 0;
920 RTSflags.GranFlags.gran_heapalloc_cost = 1;
922 /* RTSflags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
923 /* RTSflags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
924 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue; /* -bZ */
925 RTSflags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
926 RTSflags.GranFlags.granSimStats = rtsTrue; /* -bP */
927 # if defined(GRAN_CHECK) && defined(GRAN)
928 RTSflags.GranFlags.debug = 0x20; /* print event statistics */
933 /* Communication and task creation cost parameters */
934 switch(rts_argv[arg][2]) {
936 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
940 if (rts_argv[arg][3] != '\0')
942 RTSflags.GranFlags.gran_gunblocktime =
943 RTSflags.GranFlags.gran_latency = decode(rts_argv[arg]+3);
944 RTSflags.GranFlags.gran_fetchtime = 2*RTSflags.GranFlags.gran_latency;
947 RTSflags.GranFlags.gran_latency = LATENCY;
951 if (rts_argv[arg][3] != '\0')
952 RTSflags.GranFlags.gran_additional_latency = decode(rts_argv[arg]+3);
954 RTSflags.GranFlags.gran_additional_latency = ADDITIONAL_LATENCY;
958 if (rts_argv[arg][3] != '\0')
959 RTSflags.GranFlags.gran_mpacktime = decode(rts_argv[arg]+3);
961 RTSflags.GranFlags.gran_mpacktime = MSGPACKTIME;
965 if (rts_argv[arg][3] != '\0')
966 RTSflags.GranFlags.gran_mtidytime = decode(rts_argv[arg]+3);
968 RTSflags.GranFlags.gran_mtidytime = 0;
972 if (rts_argv[arg][3] != '\0')
973 RTSflags.GranFlags.gran_munpacktime = decode(rts_argv[arg]+3);
975 RTSflags.GranFlags.gran_munpacktime = MSGUNPACKTIME;
979 if (rts_argv[arg][3] != '\0')
980 RTSflags.GranFlags.gran_fetchtime = decode(rts_argv[arg]+3);
982 RTSflags.GranFlags.gran_fetchtime = FETCHTIME;
986 if (rts_argv[arg][3] != '\0')
987 RTSflags.GranFlags.gran_gunblocktime = decode(rts_argv[arg]+3);
989 RTSflags.GranFlags.gran_gunblocktime = GLOBALUNBLOCKTIME;
993 if (rts_argv[arg][3] != '\0')
994 RTSflags.GranFlags.gran_lunblocktime = decode(rts_argv[arg]+3);
996 RTSflags.GranFlags.gran_lunblocktime = LOCALUNBLOCKTIME;
999 /* Thread-related metrics */
1001 if (rts_argv[arg][3] != '\0')
1002 RTSflags.GranFlags.gran_threadcreatetime = decode(rts_argv[arg]+3);
1004 RTSflags.GranFlags.gran_threadcreatetime = THREADCREATETIME;
1008 if (rts_argv[arg][3] != '\0')
1009 RTSflags.GranFlags.gran_threadqueuetime = decode(rts_argv[arg]+3);
1011 RTSflags.GranFlags.gran_threadqueuetime = THREADQUEUETIME;
1015 if (rts_argv[arg][3] != '\0')
1016 RTSflags.GranFlags.gran_threadscheduletime = decode(rts_argv[arg]+3);
1018 RTSflags.GranFlags.gran_threadscheduletime = THREADSCHEDULETIME;
1020 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1021 + RTSflags.GranFlags.gran_threaddescheduletime;
1025 if (rts_argv[arg][3] != '\0')
1026 RTSflags.GranFlags.gran_threaddescheduletime = decode(rts_argv[arg]+3);
1028 RTSflags.GranFlags.gran_threaddescheduletime = THREADDESCHEDULETIME;
1030 RTSflags.GranFlags.gran_threadcontextswitchtime = RTSflags.GranFlags.gran_threadscheduletime
1031 + RTSflags.GranFlags.gran_threaddescheduletime;
1034 /* Instruction Cost Metrics */
1036 if (rts_argv[arg][3] != '\0')
1037 RTSflags.GranFlags.gran_arith_cost = decode(rts_argv[arg]+3);
1039 RTSflags.GranFlags.gran_arith_cost = ARITH_COST;
1043 if (rts_argv[arg][3] != '\0')
1044 RTSflags.GranFlags.gran_float_cost = decode(rts_argv[arg]+3);
1046 RTSflags.GranFlags.gran_float_cost = FLOAT_COST;
1050 if (rts_argv[arg][3] != '\0')
1051 RTSflags.GranFlags.gran_branch_cost = decode(rts_argv[arg]+3);
1053 RTSflags.GranFlags.gran_branch_cost = BRANCH_COST;
1057 if (rts_argv[arg][3] != '\0')
1058 RTSflags.GranFlags.gran_load_cost = decode(rts_argv[arg]+3);
1060 RTSflags.GranFlags.gran_load_cost = LOAD_COST;
1064 if (rts_argv[arg][3] != '\0')
1065 RTSflags.GranFlags.gran_store_cost = decode(rts_argv[arg]+3);
1067 RTSflags.GranFlags.gran_store_cost = STORE_COST;
1071 if (rts_argv[arg][3] != '\0')
1072 RTSflags.GranFlags.gran_heapalloc_cost = decode(rts_argv[arg]+3);
1074 RTSflags.GranFlags.gran_heapalloc_cost = 0;
1078 RTSflags.GranFlags.DoReScheduleOnFetch = rtsTrue;
1079 if (rts_argv[arg][3] != '\0')
1080 RTSflags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1081 if (RTSflags.GranFlags.FetchStrategy == 0)
1082 RTSflags.GranFlags.DoReScheduleOnFetch = rtsFalse;
1084 RTSflags.GranFlags.FetchStrategy = 2; /* default: fetch everything */
1087 case 'K': /* sort overhead (per elem in spark list) */
1088 if (rts_argv[arg][3] != '\0')
1089 RTSflags.GranFlags.gran_pri_spark_overhead = decode(rts_argv[arg]+3);
1091 RTSflags.GranFlags.gran_pri_spark_overhead = PRI_SPARK_OVERHEAD;
1092 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1093 RTSflags.GranFlags.gran_pri_spark_overhead);
1096 case 'O': /* sort overhead (per elem in spark list) */
1097 if (rts_argv[arg][3] != '\0')
1098 RTSflags.GranFlags.gran_pri_sched_overhead = decode(rts_argv[arg]+3);
1100 RTSflags.GranFlags.gran_pri_sched_overhead = PRI_SCHED_OVERHEAD;
1101 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1102 RTSflags.GranFlags.gran_pri_sched_overhead);
1105 /* General Parameters */
1107 if (rts_argv[arg][3] != '\0')
1109 RTSflags.GranFlags.proc = decode(rts_argv[arg]+3);
1110 if (RTSflags.GranFlags.proc==0) {
1111 enable_GrAnSimLight(); /* set flags for GrAnSim-Light mode */
1112 } else if (RTSflags.GranFlags.proc > MAX_PROC ||
1113 RTSflags.GranFlags.proc < 1)
1115 fprintf(stderr,"setupRtsFlags: no more than %u processors
1122 RTSflags.GranFlags.proc = MAX_PROC;
1126 if (rts_argv[arg][3] != '\0')
1127 RTSflags.GranFlags.max_fishes = decode(rts_argv[arg]+3);
1129 RTSflags.GranFlags.max_fishes = 1;
1133 if (rts_argv[arg][3] != '\0')
1134 RTSflags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1136 RTSflags.GranFlags.time_slice = GRAN_TIME_SLICE;
1140 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1141 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1145 fprintf(stderr,"Bulk fetching enabled.\n");
1146 RTSflags.GranFlags.DoGUMMFetching=rtsTrue;
1150 fprintf(stderr,"Thread migration enabled.\n");
1151 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1155 fprintf(stderr,"Fair Scheduling enabled.\n");
1156 RTSflags.GranFlags.DoFairSchedule=rtsTrue;
1160 fprintf(stderr,"Priority Scheduling enabled.\n");
1161 RTSflags.GranFlags.DoPriorityScheduling=rtsTrue;
1165 RTSflags.GranFlags.DoStealThreadsFirst=rtsTrue;
1166 RTSflags.GranFlags.DoThreadMigration=rtsTrue;
1170 RTSflags.GranFlags.DoReScheduleOnFetch=rtsTrue;
1174 RTSflags.GranFlags.SimplifiedFetch=rtsTrue;
1178 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1182 RTSflags.GranFlags.granSimStats_Binary=rtsTrue;
1186 RTSflags.GranFlags.granSimStats=rtsTrue;
1190 RTSflags.GranFlags.granSimStats_Sparks=rtsTrue;
1194 RTSflags.GranFlags.granSimStats_Heap=rtsTrue;
1198 RTSflags.GranFlags.labelling=rtsTrue;
1201 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1202 if (rts_argv[arg][3] != '\0') {
1205 arg0 = rts_argv[arg]+3;
1206 if ((tmp = strstr(arg0,","))==NULL) {
1207 RTSflags.GranFlags.SparkPriority = decode(arg0);
1208 fprintf(stderr,"SparkPriority: %u.\n",RTSflags.GranFlags.SparkPriority);
1211 RTSflags.GranFlags.SparkPriority = decode(arg0);
1212 RTSflags.GranFlags.SparkPriority2 = decode(tmp);
1213 fprintf(stderr,"SparkPriority: %u.\n",
1214 RTSflags.GranFlags.SparkPriority);
1215 fprintf(stderr,"SparkPriority2:%u.\n",
1216 RTSflags.GranFlags.SparkPriority2);
1217 if (RTSflags.GranFlags.SparkPriority2 <
1218 RTSflags.GranFlags.SparkPriority) {
1219 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1220 RTSflags.GranFlags.SparkPriority2,
1221 RTSflags.GranFlags.SparkPriority);
1225 /* plain pri spark is now invoked with -bX
1226 RTSflags.GranFlags.DoPrioritySparking = 1;
1227 fprintf(stderr,"PrioritySparking.\n");
1233 if (rts_argv[arg][3] != '\0') {
1234 RTSflags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1236 RTSflags.GranFlags.ThunksToPack = 1;
1238 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1239 RTSflags.GranFlags.ThunksToPack);
1243 RTSflags.GranFlags.RandomSteal = rtsFalse;
1244 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1247 /* The following class of options contains eXperimental */
1248 /* features in connection with exploiting granularity */
1249 /* information. I.e. if -bY is chosen these options */
1250 /* tell the RTS what to do with the supplied info --HWL */
1253 if (rts_argv[arg][3] != '\0') {
1254 RTSflags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1256 RTSflags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1258 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1259 RTSflags.GranFlags.packBufferSize_internal);
1263 switch(rts_argv[arg][3]) {
1266 RTSflags.GranFlags.DoPrioritySparking = 1;
1267 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1268 RTSflags.GranFlags.InversePriorities = rtsFalse;
1269 RTSflags.GranFlags.RandomPriorities = rtsFalse;
1270 RTSflags.GranFlags.IgnorePriorities = rtsFalse;
1274 RTSflags.GranFlags.DoPrioritySparking = 1;
1275 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1276 RTSflags.GranFlags.InversePriorities++;
1280 RTSflags.GranFlags.DoPrioritySparking = 1;
1281 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1282 RTSflags.GranFlags.RandomPriorities++;
1286 RTSflags.GranFlags.DoPrioritySparking = 1;
1287 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1288 RTSflags.GranFlags.IgnorePriorities++;
1292 bad_option( rts_argv[arg] );
1298 switch(rts_argv[arg][3]) {
1301 RTSflags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1302 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1306 RTSflags.GranFlags.DoGUMMFetching=rtsFalse;
1310 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1314 RTSflags.GranFlags.DoFairSchedule=rtsFalse;
1318 RTSflags.GranFlags.DoStealThreadsFirst=rtsFalse;
1319 RTSflags.GranFlags.DoThreadMigration=rtsFalse;
1323 RTSflags.GranFlags.DoReScheduleOnFetch=rtsFalse;
1327 RTSflags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1331 RTSflags.GranFlags.granSimStats_suppressed=rtsTrue;
1335 RTSflags.GranFlags.granSimStats_Sparks=rtsFalse;
1339 RTSflags.GranFlags.granSimStats_Heap=rtsFalse;
1343 RTSflags.GranFlags.granSimStats_Binary=rtsFalse;
1347 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1351 RTSflags.GranFlags.DoPrioritySparking = rtsFalse;
1352 RTSflags.GranFlags.SparkPriority = rtsFalse;
1356 RTSflags.GranFlags.DoPriorityScheduling = rtsFalse;
1360 RTSflags.GranFlags.RandomSteal = rtsFalse;
1364 bad_option( rts_argv[arg] );
1369 # if defined(GRAN_CHECK) && defined(GRAN)
1371 switch(rts_argv[arg][3]) {
1372 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1373 if (rts_argv[arg][4] != '\0') {
1374 RTSflags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1375 fprintf(stderr,"Pack buffer size: %d\n",
1376 RTSflags.GranFlags.packBufferSize);
1378 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1383 case 'e': /* event trace */
1384 fprintf(stderr,"Printing event trace.\n");
1385 RTSflags.GranFlags.event_trace=rtsTrue;
1389 fprintf(stderr,"Printing forwarding of FETCHNODES.\n");
1390 RTSflags.GranFlags.debug |= 0x2; /* print fwd messages */
1394 fprintf(stderr,"Check for blocked on fetch.\n");
1395 RTSflags.GranFlags.debug |= 0x4; /* debug non-reschedule-on-fetch */
1399 fprintf(stderr,"Check for TSO asleep on fetch.\n");
1400 RTSflags.GranFlags.debug |= 0x10; /* debug TSO asleep for fetch */
1404 fprintf(stderr,"Printing event statistics.\n");
1405 RTSflags.GranFlags.debug |= 0x20; /* print event statistics */
1409 fprintf(stderr,"Prohibiting forward.\n");
1410 RTSflags.GranFlags.NoForward = rtsTrue; /* prohibit forwarding */
1414 fprintf(stderr,"Printing fetch misses.\n");
1415 RTSflags.GranFlags.PrintFetchMisses = rtsTrue; /* prohibit forwarding */
1419 fprintf(stderr,"Debug mode.\n");
1420 RTSflags.GranFlags.debug |= 0x40;
1424 fprintf(stderr,"Severe debug mode.\n");
1425 RTSflags.GranFlags.debug |= 0x80;
1429 fprintf(stderr,"FULL event trace.\n");
1430 RTSflags.GranFlags.event_trace_all =rtsTrue;
1434 fprintf(stderr,"Debugging packet fetching.\n");
1435 RTSflags.GranFlags.debug |= 0x100;
1439 fprintf(stderr,"Ignore events till end of time slice\n");
1440 RTSflags.GranFlags.debug |= 0x200;
1441 IgnoreEvents = rtsTrue;
1445 fprintf(stderr,"Check that spark queues are sorted.\n");
1446 RTSflags.GranFlags.debug |= 0x400;
1450 fprintf(stderr,"Print heap allocation messages (RBH).\n");
1451 RTSflags.GranFlags.debug |= 0x800;
1455 fprintf(stderr,"Debug breadth-first pruning.\n");
1456 RTSflags.GranFlags.debug |= 0x1000;
1460 fprintf(stderr,"Debug random stealing.\n");
1461 RTSflags.GranFlags.debug |= 0x2000;
1465 fprintf(stderr,"Debug busyness.\n");
1466 RTSflags.GranFlags.debug |= 0x4000;
1470 fprintf(stderr,"Debug pack buffer handling.\n");
1471 RTSflags.GranFlags.debug |= 0x8000;
1475 fprintf(stderr,"Debug spark-queue manipulations.\n");
1476 RTSflags.GranFlags.debug |= 0x10000;
1480 fprintf(stderr,"Debug GrAnSim Light.\n");
1481 RTSflags.GranFlags.debug |= 0x20000;
1485 RTSflags.GranFlags.debug = 1;
1489 bad_option( rts_argv[arg] );
1493 # endif /* GRAN_CHECK */
1495 bad_option( rts_argv[arg] );
1502 %************************************************************************
1504 \subsection{Profiling RTS Arguments}
1506 %************************************************************************
1509 I_ MaxResidency = 0; /* in words; for stats only */
1510 I_ ResidencySamples = 0; /* for stats only */
1515 RTSflags.GcFlags.minAllocAreaSize
1516 = (I_) (RTSflags.GcFlags.heapSize * RTSflags.GcFlags.pcFreeHeap / 100);
1518 This needs to be here, in case the user changed some of these
1519 values with a "hook".
1524 %************************************************************************
1526 \subsection{Utility bits}
1528 %************************************************************************
1531 static FILE * /* return NULL on error */
1534 int argc, char *argv[],
1535 int rts_argc, char *rts_argv[],
1536 const char *FILENAME_FMT)
1540 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1542 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1543 f = fopen(rts_argv[arg]+2,"w");
1545 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1546 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1547 f = fopen(stats_filename,"w");
1550 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1552 /* Write argv and rtsv into start of stats file */
1554 for(count = 0; count < argc; count++)
1555 fprintf(f, "%s ", argv[count]);
1556 fprintf(f, "+RTS ");
1557 for(count = 0; count < rts_argc; count++)
1558 fprintf(f, "%s ", rts_argv[count]);
1566 decode(const char *s)
1577 if (c == 'g' || c == 'G')
1578 m *= 1000*1000*1000; /* UNchecked! */
1579 else if (c == 'm' || c == 'M')
1580 m *= 1000*1000; /* We do not use powers of 2 (1024) */
1581 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
1582 m *= 1000; /* a direct-mapped cache. */
1583 else if (c == 'w' || c == 'W')
1590 bad_option(const char *s)
1593 fprintf(stderr, "initSM: Bad RTS option: %s\n", s);