1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.61 2002/10/05 22:18:45 panne Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
24 #include "PosixSource.h"
28 #include "BlockAlloc.h"
29 #include "Itimer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
32 #if defined(PROFILING)
43 extern struct RTS_FLAGS RtsFlags;
46 * Split argument lists
48 int prog_argc; /* an "int" so as to match normal "argc" */
49 char **prog_argv = NULL;
50 int rts_argc; /* ditto */
51 char *rts_argv[MAX_RTS_ARGS];
53 //@node Constants, Static function decls, Includes
54 //@subsection Constants
57 * constants, used later
62 char *debug_opts_prefix[] = {
80 char *gran_debug_opts_strs[] = {
81 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
82 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
83 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
84 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
85 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
86 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
87 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
88 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
89 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
90 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
91 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
92 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
93 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
94 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
95 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
98 /* one character codes for the available debug options */
99 char gran_debug_opts_flags[] = {
100 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
103 /* prefix strings printed with the debug messages of the corresponding type */
104 char *gran_debug_opts_prefix[] = {
105 "", /* event_trace */
106 "", /* event_stats */
109 "^^", /* checkSparkQ */
110 "==", /* thunkStealing */
111 "^^", /* randomSteal */
115 "::", /* checkLight */
117 "", /* blockOnFetch */
119 "" /* blockOnFetch_sanity */
124 char *par_debug_opts_strs[] = {
125 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
126 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
127 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
128 "DEBUG (-qDe, -qD8): free; free messages.\n",
129 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
130 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
131 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
132 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
133 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
134 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
135 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
136 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
137 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
138 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
141 /* one character codes for the available debug options */
142 char par_debug_opts_flags[] = {
143 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
146 /* prefix strings printed with the debug messages of the corresponding type */
147 char *par_debug_opts_prefix[] = {
165 //@node Static function decls, Command-line option parsing routines, Constants
166 //@subsection Static function decls
168 /* -----------------------------------------------------------------------------
169 Static function decls
170 -------------------------------------------------------------------------- */
172 static FILE * /* return NULL on error */
175 int argc, char *argv[],
176 int rts_argc, char *rts_argv[],
177 const char *FILENAME_FMT);
179 static I_ decode(const char *s);
180 static void bad_option(const char *s);
183 static void enable_GranSimLight(void);
184 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
185 static void set_GranSim_debug_options(nat n);
186 static void help_GranSim_debug_options(nat n);
188 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
189 static void set_par_debug_options(nat n);
190 static void help_par_debug_options(nat n);
193 //@node Command-line option parsing routines, GranSim specific options, Static function decls
194 //@subsection Command-line option parsing routines
196 /* -----------------------------------------------------------------------------
197 * Command-line option parsing routines.
198 * ---------------------------------------------------------------------------*/
200 void initRtsFlagsDefaults(void)
202 RtsFlags.GcFlags.statsFile = NULL;
203 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
205 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
206 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
208 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
209 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
210 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
211 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
212 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
213 RtsFlags.GcFlags.oldGenFactor = 2;
215 /* A hack currently needed for GUM -- HWL */
216 RtsFlags.GcFlags.generations = 1;
217 RtsFlags.GcFlags.steps = 2;
218 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
220 RtsFlags.GcFlags.generations = 2;
221 RtsFlags.GcFlags.steps = 2;
222 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
224 RtsFlags.GcFlags.compact = rtsFalse;
225 RtsFlags.GcFlags.compactThreshold = 30.0;
226 #ifdef RTS_GTK_FRONTPANEL
227 RtsFlags.GcFlags.frontpanel = rtsFalse;
231 RtsFlags.DebugFlags.scheduler = rtsFalse;
232 RtsFlags.DebugFlags.evaluator = rtsFalse;
233 RtsFlags.DebugFlags.codegen = rtsFalse;
234 RtsFlags.DebugFlags.weak = rtsFalse;
235 RtsFlags.DebugFlags.gccafs = rtsFalse;
236 RtsFlags.DebugFlags.gc = rtsFalse;
237 RtsFlags.DebugFlags.block_alloc = rtsFalse;
238 RtsFlags.DebugFlags.sanity = rtsFalse;
239 RtsFlags.DebugFlags.stable = rtsFalse;
240 RtsFlags.DebugFlags.prof = rtsFalse;
241 RtsFlags.DebugFlags.gran = rtsFalse;
242 RtsFlags.DebugFlags.par = rtsFalse;
243 RtsFlags.DebugFlags.linker = rtsFalse;
246 #if defined(PROFILING) || defined(PAR)
247 RtsFlags.CcFlags.doCostCentres = 0;
248 #endif /* PROFILING or PAR */
251 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
252 RtsFlags.ProfFlags.profileInterval = 100;
253 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
254 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
255 RtsFlags.ProfFlags.modSelector = NULL;
256 RtsFlags.ProfFlags.descrSelector = NULL;
257 RtsFlags.ProfFlags.typeSelector = NULL;
258 RtsFlags.ProfFlags.ccSelector = NULL;
259 RtsFlags.ProfFlags.ccsSelector = NULL;
260 RtsFlags.ProfFlags.retainerSelector = NULL;
261 RtsFlags.ProfFlags.bioSelector = NULL;
264 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
267 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
270 RtsFlags.ParFlags.nNodes = 1;
274 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
275 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
276 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
277 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
278 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
279 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
280 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
282 RtsFlags.ParFlags.outputDisabled = rtsFalse;
284 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
286 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
288 RtsFlags.ParFlags.packBufferSize = 1024;
289 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
290 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
291 RtsFlags.ParFlags.maxThreads = 1024;
292 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
293 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
296 #if defined(PAR) || defined(SMP)
297 RtsFlags.ParFlags.maxLocalSparks = 4096;
298 #endif /* PAR || SMP */
301 /* ToDo: check defaults for GranSim and GUM */
302 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
303 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
305 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
306 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
307 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
308 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
309 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
310 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
311 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
312 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
314 RtsFlags.GranFlags.packBufferSize = 1024;
315 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
317 RtsFlags.GranFlags.proc = MAX_PROC;
318 RtsFlags.GranFlags.Fishing = rtsFalse;
319 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
320 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
321 RtsFlags.GranFlags.Light = rtsFalse;
323 RtsFlags.GranFlags.Costs.latency = LATENCY;
324 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
325 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
326 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
327 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
328 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
329 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
330 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
332 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
333 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
334 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
335 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
336 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
338 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
339 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
340 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
341 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
342 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
344 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
346 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
347 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
349 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
350 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
351 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
352 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
353 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
354 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
355 RtsFlags.GranFlags.FetchStrategy = 2;
356 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
357 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
358 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
359 RtsFlags.GranFlags.SparkPriority = 0;
360 RtsFlags.GranFlags.SparkPriority2 = 0;
361 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
362 RtsFlags.GranFlags.InversePriorities = rtsFalse;
363 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
364 RtsFlags.GranFlags.ThunksToPack = 0;
365 RtsFlags.GranFlags.RandomSteal = rtsTrue;
369 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
370 RtsFlags.TickyFlags.tickyFile = NULL;
377 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
379 " +RTS Indicates run time system options follow",
380 " -RTS Indicates program arguments follow",
381 " --RTS Indicates that ALL subsequent arguments will be given to the",
382 " program (including any of these RTS flags)",
384 "The following run time system options are available:",
386 " -? Prints this message and exits; the program is not executed",
388 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
389 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
391 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
392 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
393 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
394 " -m<n> Minimum % of heap which must be available (default 3%)",
395 " -G<n> Number of generations (default: 2)",
396 " -T<n> Number of steps in younger generations (default: 2)",
397 " -c<n> Auto-enable compaction of the oldest generation when live data is",
398 " at least <n>% of the maximum heap size set with -M (default: 30%)",
399 " -c Enable compaction for all major collections",
401 " -t<file> One-line GC statistics (default file: <program>.stat)",
402 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
403 " -S<file> Detailed GC statistics",
404 #ifdef RTS_GTK_FRONTPANEL
405 " -f Display front panel (requires X11 & GTK+)",
409 " -Z Don't squeeze out update frames on stack overflow",
410 " -B Sound the bell at the start of each garbage collection",
411 #if defined(PROFILING) || defined(PAR)
413 " -px Time/allocation profile (XML) (output file <program>.prof)",
414 " -p Time/allocation profile (output file <program>.prof)",
415 " -P More detailed Time/Allocation profile",
416 " -Pa Give information about *all* cost centres",
418 # if defined(PROFILING)
420 " -hx Heap residency profile (XML) (output file <program>.prof)",
421 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
422 " break-down: c = cost centre stack (default)",
424 " d = closure description",
425 " y = type description",
427 " b = biography (LAG,DRAG,VOID,USE)",
428 " A subset of closures may be selected thusly:",
429 " -hc<cc>,... specific cost centre(s) (top of stack only)",
430 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
431 " -hm<mod>... all cost centres from the specified modules(s)",
432 " -hd<des>,... closures with specified closure descriptions",
433 " -hy<typ>... closures with specified type descriptions",
434 " -hr<cc>... closures with specified retainers",
435 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
437 " -R<size> Set the maximum retainer set size (default: 8)",
439 " -i<sec> Time between heap samples (seconds, default: 0.1)",
441 " -xc Show current cost centre stack on raising an exception",
443 #endif /* PROFILING or PAR */
444 #if !defined(PROFILING) && defined(DEBUG)
446 " -h<break-down> Debugging Heap residency profile",
447 " (output file <program>.hp)",
448 " break-down: L = closure label (default)",
449 " T = closure type (constructor, thunk etc.)",
452 #if defined(TICKY_TICKY)
453 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
457 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
458 /* NB: the -N<n> is implemented by the driver!! */
460 " -C<secs> Context-switch interval in seconds",
461 " (0 or no argument means switch as often as possible)",
462 " the default is .02 sec; resolution is .02 sec",
465 " -Ds DEBUG: scheduler",
466 " -De DEBUG: evaluator",
467 " -Dc DEBUG: codegen",
469 " -DG DEBUG: gccafs",
472 " -DS DEBUG: sanity",
473 " -Dt DEBUG: stable",
477 " -Dl DEBUG: linker",
481 " -N<n> Use <n> OS threads (default: 1)",
483 #if defined(SMP) || defined(PAR)
484 " -e<size> Size of spark pools (default 100)",
487 " -t<num> Set maximum number of advisory threads per PE (default 32)",
488 " -qP Enable activity profile (output files in ~/<program>*.gr)",
489 " -qQ<size> Set pack-buffer size (default: 1024)",
490 " -qd Turn on PVM-ish debugging",
491 " -qO Disable output for performance measurement",
493 #if defined(SMP) || defined(PAR)
494 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
497 " -d Turn on PVM-ish debugging",
498 " -O Disable output for performance measurement",
500 #if defined(GRAN) /* ToDo: fill in decent Docu here */
501 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
504 "RTS options may also be specified using the GHCRTS environment variable.",
506 "Other RTS options may be available for programs compiled a different way.",
507 "The GHC User's Guide has full details.",
512 static __inline__ rtsBool
513 strequal(const char *a, const char * b)
515 return(strcmp(a, b) == 0);
519 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
525 while (isspace(*c1)) { c1++; };
527 while (!isspace(*c2) && *c2 != '\0') { c2++; };
529 if (c1 == c2) { break; }
531 if (*rts_argc < MAX_RTS_ARGS-1) {
533 strncpy(s, c1, c2-c1);
535 rts_argv[(*rts_argc)++] = s;
537 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
541 } while (*c1 != '\0');
545 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
547 rtsBool error = rtsFalse;
552 /* Remove directory from argv[0] -- default files in current directory */
554 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
555 strcpy(argv[0], last_slash+1);
563 // process arguments from the ghc_rts_opts global variable first.
564 // (arguments from the GHCRTS environment variable and the command
565 // line override these).
567 if (ghc_rts_opts != NULL) {
568 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
572 // process arguments from the GHCRTS environment variable first
573 // (arguments from the command line override these).
575 char *ghc_rts = getenv("GHCRTS");
577 if (ghc_rts != NULL) {
578 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
582 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
583 // argv[0] must be PGM argument -- leave in argv
585 for (mode = PGM; arg < total_arg; arg++) {
586 // The '--RTS' argument disables all future +RTS ... -RTS processing.
587 if (strequal("--RTS", argv[arg])) {
591 // The '--' argument is passed through to the program, but
592 // disables all further +RTS ... -RTS processing.
593 else if (strequal("--", argv[arg])) {
596 else if (strequal("+RTS", argv[arg])) {
599 else if (strequal("-RTS", argv[arg])) {
602 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
603 rts_argv[(*rts_argc)++] = argv[arg];
605 else if (mode == PGM) {
606 argv[(*argc)++] = argv[arg];
609 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
612 // process remaining program arguments
613 for (; arg < total_arg; arg++) {
614 argv[(*argc)++] = argv[arg];
616 argv[*argc] = (char *) 0;
617 rts_argv[*rts_argc] = (char *) 0;
619 // Process RTS (rts_argv) part: mainly to determine statsfile
620 for (arg = 0; arg < *rts_argc; arg++) {
621 if (rts_argv[arg][0] != '-') {
623 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
627 switch(rts_argv[arg][1]) {
629 /* process: general args, then PROFILING-only ones,
630 then CONCURRENT-only, PARallel-only, GRAN-only,
631 TICKY-only (same order as defined in RtsFlags.lh);
632 within those groups, mostly in case-insensitive
634 Final group is x*, which allows for more options.
638 # define TICKY_BUILD_ONLY(x) x
640 # define TICKY_BUILD_ONLY(x) \
641 prog_belch("GHC not built for: ticky-ticky stats"); \
645 #if defined(PROFILING)
646 # define COST_CENTRE_USING_BUILD_ONLY(x) x
648 # define COST_CENTRE_USING_BUILD_ONLY(x) \
649 prog_belch("GHC not built for: -prof or -parallel"); \
654 # define PROFILING_BUILD_ONLY(x) x
656 # define PROFILING_BUILD_ONLY(x) \
657 prog_belch("GHC not built for: -prof"); \
662 # define SMP_BUILD_ONLY(x) x
664 # define SMP_BUILD_ONLY(x) \
665 prog_belch("GHC not built for: -smp"); \
670 # define PAR_BUILD_ONLY(x) x
672 # define PAR_BUILD_ONLY(x) \
673 prog_belch("GHC not built for: -parallel"); \
677 #if defined(SMP) || defined(PAR)
678 # define PAR_OR_SMP_BUILD_ONLY(x) x
680 # define PAR_OR_SMP_BUILD_ONLY(x) \
681 prog_belch("GHC not built for: -parallel or -smp"); \
686 # define GRAN_BUILD_ONLY(x) x
688 # define GRAN_BUILD_ONLY(x) \
689 prog_belch("GHC not built for: -gransim"); \
693 /* =========== GENERAL ========================== */
699 RtsFlags.GcFlags.minAllocAreaSize
700 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
701 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
702 bad_option(rts_argv[arg]);
707 RtsFlags.GcFlags.ringBell = rtsTrue;
711 if (rts_argv[arg][2] != '\0') {
712 RtsFlags.GcFlags.compactThreshold =
713 atof(rts_argv[arg]+2);
715 RtsFlags.GcFlags.compact = rtsTrue;
720 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
722 if (RtsFlags.GcFlags.oldGenFactor < 0)
723 bad_option( rts_argv[arg] );
731 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
734 RtsFlags.DebugFlags.scheduler = rtsTrue;
737 RtsFlags.DebugFlags.evaluator = rtsTrue;
740 RtsFlags.DebugFlags.codegen = rtsTrue;
743 RtsFlags.DebugFlags.weak = rtsTrue;
746 RtsFlags.DebugFlags.gccafs = rtsTrue;
749 RtsFlags.DebugFlags.gc = rtsTrue;
752 RtsFlags.DebugFlags.block_alloc = rtsTrue;
755 RtsFlags.DebugFlags.sanity = rtsTrue;
758 RtsFlags.DebugFlags.stable = rtsTrue;
761 RtsFlags.DebugFlags.prof = rtsTrue;
764 RtsFlags.DebugFlags.gran = rtsTrue;
767 RtsFlags.DebugFlags.par = rtsTrue;
770 RtsFlags.DebugFlags.linker = rtsTrue;
773 bad_option( rts_argv[arg] );
781 RtsFlags.GcFlags.maxStkSize =
782 decode(rts_argv[arg]+2) / sizeof(W_);
784 if (RtsFlags.GcFlags.maxStkSize == 0)
785 bad_option( rts_argv[arg] );
789 RtsFlags.GcFlags.initialStkSize =
790 decode(rts_argv[arg]+2) / sizeof(W_);
792 if (RtsFlags.GcFlags.initialStkSize == 0)
793 bad_option( rts_argv[arg] );
797 RtsFlags.GcFlags.maxHeapSize =
798 decode(rts_argv[arg]+2) / BLOCK_SIZE;
799 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
801 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
802 bad_option(rts_argv[arg]);
807 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
809 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
810 RtsFlags.GcFlags.pcFreeHeap > 100)
811 bad_option( rts_argv[arg] );
815 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
816 if (RtsFlags.GcFlags.generations < 1) {
817 bad_option(rts_argv[arg]);
822 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
823 if (RtsFlags.GcFlags.steps < 1) {
824 bad_option(rts_argv[arg]);
829 RtsFlags.GcFlags.heapSizeSuggestion =
830 decode(rts_argv[arg]+2) / BLOCK_SIZE;
832 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
833 bad_option(rts_argv[arg]);
837 #ifdef RTS_GTK_FRONTPANEL
839 RtsFlags.GcFlags.frontpanel = rtsTrue;
844 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
848 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
852 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
857 /* Opening all those files would almost certainly fail... */
858 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
859 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
861 RtsFlags.GcFlags.statsFile
862 = open_stats_file(arg, *argc, argv,
863 *rts_argc, rts_argv, STAT_FILENAME_FMT);
865 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
870 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
873 /* =========== PROFILING ========================== */
875 case 'P': /* detailed cost centre profiling (time/alloc) */
876 case 'p': /* cost centre profiling (time/alloc) */
877 COST_CENTRE_USING_BUILD_ONLY(
878 switch (rts_argv[arg][2]) {
880 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
883 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
886 if (rts_argv[arg][1] == 'P') {
887 RtsFlags.CcFlags.doCostCentres =
888 COST_CENTRES_VERBOSE;
890 RtsFlags.CcFlags.doCostCentres =
891 COST_CENTRES_SUMMARY;
898 PROFILING_BUILD_ONLY(
899 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
902 case 'h': /* serial heap profile */
903 #if !defined(PROFILING) && defined(DEBUG)
904 switch (rts_argv[arg][2]) {
907 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
910 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
913 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
917 PROFILING_BUILD_ONLY(
918 switch (rts_argv[arg][2]) {
932 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
934 char *left = strchr(rts_argv[arg], '{');
935 char *right = strrchr(rts_argv[arg], '}');
937 // curly braces are optional, for
942 left = rts_argv[arg] + 3;
945 right = rts_argv[arg] + strlen(rts_argv[arg]);
949 switch (rts_argv[arg][2]) {
950 case 'c': // cost centre label select
951 RtsFlags.ProfFlags.ccSelector = left;
954 RtsFlags.ProfFlags.ccsSelector = left;
957 case 'm': // cost centre module select
958 RtsFlags.ProfFlags.modSelector = left;
961 case 'd': // closure descr select
962 RtsFlags.ProfFlags.descrSelector = left;
965 case 'y': // closure type select
966 RtsFlags.ProfFlags.typeSelector = left;
969 case 'r': // retainer select
970 RtsFlags.ProfFlags.retainerSelector = left;
973 case 'b': // biography select
974 RtsFlags.ProfFlags.bioSelector = left;
981 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
982 prog_belch("multiple heap profile options");
987 switch (rts_argv[arg][2]) {
991 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
995 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
999 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1003 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1007 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1011 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1017 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
1024 #if defined(PROFILING)
1025 case 'i': /* heap sample interval */
1026 if (rts_argv[arg][2] == '\0') {
1031 /* Convert to milliseconds */
1032 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1033 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1034 if (cst != 0 && cst < CS_MIN_MILLISECS)
1035 cst = CS_MIN_MILLISECS;
1037 RtsFlags.ProfFlags.profileInterval = cst;
1042 /* =========== CONCURRENT ========================= */
1043 case 'C': /* context switch interval */
1044 if (rts_argv[arg][2] == '\0')
1045 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1049 /* Convert to milliseconds */
1050 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1051 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1052 if (cst != 0 && cst < CS_MIN_MILLISECS)
1053 cst = CS_MIN_MILLISECS;
1055 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1062 if (rts_argv[arg][2] != '\0') {
1063 RtsFlags.ParFlags.nNodes
1064 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1065 if (RtsFlags.ParFlags.nNodes <= 0) {
1066 prog_belch("bad value for -N");
1072 /* =========== PARALLEL =========================== */
1074 PAR_OR_SMP_BUILD_ONLY(
1075 if (rts_argv[arg][2] != '\0') {
1076 RtsFlags.ParFlags.maxLocalSparks
1077 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1078 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1079 prog_belch("bad value for -e");
1087 process_par_option(arg, rts_argc, rts_argv, &error);
1090 /* =========== GRAN =============================== */
1094 process_gran_option(arg, rts_argc, rts_argv, &error);
1097 /* =========== TICKY ============================== */
1099 case 'r': /* Basic profiling stats */
1102 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1103 RtsFlags.TickyFlags.tickyFile
1104 = open_stats_file(arg, *argc, argv,
1105 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1107 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1110 /* =========== EXTENDED OPTIONS =================== */
1112 case 'x': /* Extend the argument space */
1113 switch(rts_argv[arg][2]) {
1115 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1119 case 'c': /* Debugging tool: show current cost centre on an exception */
1120 PROFILING_BUILD_ONLY(
1121 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1124 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1127 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1131 break; /* defensive programming */
1133 /* =========== OH DEAR ============================ */
1135 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1145 for (p = usage_text; *p; p++)
1147 stg_exit(EXIT_FAILURE);
1153 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1154 //@subsection GranSim specific options
1157 enable_GranSimLight(void) {
1159 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1160 RtsFlags.GranFlags.Light=rtsTrue;
1161 RtsFlags.GranFlags.Costs.latency =
1162 RtsFlags.GranFlags.Costs.fetchtime =
1163 RtsFlags.GranFlags.Costs.additional_latency =
1164 RtsFlags.GranFlags.Costs.gunblocktime =
1165 RtsFlags.GranFlags.Costs.lunblocktime =
1166 RtsFlags.GranFlags.Costs.threadcreatetime =
1167 RtsFlags.GranFlags.Costs.threadqueuetime =
1168 RtsFlags.GranFlags.Costs.threadscheduletime =
1169 RtsFlags.GranFlags.Costs.threaddescheduletime =
1170 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1172 RtsFlags.GranFlags.Costs.mpacktime =
1173 RtsFlags.GranFlags.Costs.munpacktime = 0;
1175 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1176 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1177 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1178 /* FetchStrategy is irrelevant in GrAnSim-Light */
1180 /* GrAnSim Light often creates an abundance of parallel threads,
1181 each with its own stack etc. Therefore, it's in general a good
1182 idea to use small stack chunks (use the -o<size> option to
1185 // RtsFlags.ConcFlags.stkChunkSize = 100;
1187 RtsFlags.GranFlags.proc = 1;
1191 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1193 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1196 /* or a ridiculously idealised simulator */
1197 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1198 RtsFlags.GranFlags.Costs.latency =
1199 RtsFlags.GranFlags.Costs.fetchtime =
1200 RtsFlags.GranFlags.Costs.additional_latency =
1201 RtsFlags.GranFlags.Costs.gunblocktime =
1202 RtsFlags.GranFlags.Costs.lunblocktime =
1203 RtsFlags.GranFlags.Costs.threadcreatetime =
1204 RtsFlags.GranFlags.Costs.threadqueuetime =
1205 RtsFlags.GranFlags.Costs.threadscheduletime =
1206 RtsFlags.GranFlags.Costs.threaddescheduletime =
1207 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1209 RtsFlags.GranFlags.Costs.mpacktime =
1210 RtsFlags.GranFlags.Costs.munpacktime = 0;
1212 RtsFlags.GranFlags.Costs.arith_cost =
1213 RtsFlags.GranFlags.Costs.float_cost =
1214 RtsFlags.GranFlags.Costs.load_cost =
1215 RtsFlags.GranFlags.Costs.store_cost =
1216 RtsFlags.GranFlags.Costs.branch_cost = 0;
1218 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1220 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1221 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1222 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1223 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1227 /* or a somewhat idealised simulator */
1228 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1229 RtsFlags.GranFlags.Costs.latency =
1230 RtsFlags.GranFlags.Costs.fetchtime =
1231 RtsFlags.GranFlags.Costs.additional_latency =
1232 RtsFlags.GranFlags.Costs.gunblocktime =
1233 RtsFlags.GranFlags.Costs.lunblocktime =
1234 RtsFlags.GranFlags.Costs.threadcreatetime =
1235 RtsFlags.GranFlags.Costs.threadqueuetime =
1236 RtsFlags.GranFlags.Costs.threadscheduletime =
1237 RtsFlags.GranFlags.Costs.threaddescheduletime =
1238 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1240 RtsFlags.GranFlags.Costs.mpacktime =
1241 RtsFlags.GranFlags.Costs.munpacktime = 0;
1243 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1245 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1246 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1247 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1248 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1249 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1250 # if defined(GRAN_CHECK) && defined(GRAN)
1251 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1256 /* Communication and task creation cost parameters */
1257 switch(rts_argv[arg][2]) {
1259 IgnoreYields = rtsTrue; // HWL HACK
1263 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1267 if (rts_argv[arg][3] != '\0')
1269 RtsFlags.GranFlags.Costs.gunblocktime =
1270 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1271 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1274 RtsFlags.GranFlags.Costs.latency = LATENCY;
1278 if (rts_argv[arg][3] != '\0')
1279 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1281 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1285 if (rts_argv[arg][3] != '\0')
1286 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1288 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1292 if (rts_argv[arg][3] != '\0')
1293 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1295 RtsFlags.GranFlags.Costs.mtidytime = 0;
1299 if (rts_argv[arg][3] != '\0')
1300 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1302 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1306 if (rts_argv[arg][3] != '\0')
1307 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1309 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1313 if (rts_argv[arg][3] != '\0')
1314 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1316 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1320 if (rts_argv[arg][3] != '\0')
1321 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1323 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1326 /* Thread-related metrics */
1328 if (rts_argv[arg][3] != '\0')
1329 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1331 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1335 if (rts_argv[arg][3] != '\0')
1336 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1338 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1342 if (rts_argv[arg][3] != '\0')
1343 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1345 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1347 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1348 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1352 if (rts_argv[arg][3] != '\0')
1353 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1355 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1357 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1358 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1361 /* Instruction Cost Metrics */
1363 if (rts_argv[arg][3] != '\0')
1364 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1366 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1370 if (rts_argv[arg][3] != '\0')
1371 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1373 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1377 if (rts_argv[arg][3] != '\0')
1378 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1380 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1384 if (rts_argv[arg][3] != '\0')
1385 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1387 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1391 if (rts_argv[arg][3] != '\0')
1392 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1394 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1398 if (rts_argv[arg][3] != '\0')
1399 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1401 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1405 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1406 if (rts_argv[arg][3] != '\0')
1407 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1409 RtsFlags.GranFlags.FetchStrategy = 2;
1410 if (RtsFlags.GranFlags.FetchStrategy == 0)
1411 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1414 case 'K': /* sort overhead (per elem in spark list) */
1415 if (rts_argv[arg][3] != '\0')
1416 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1418 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1419 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1420 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1423 case 'O': /* sort overhead (per elem in spark list) */
1424 if (rts_argv[arg][3] != '\0')
1425 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1427 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1428 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1429 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1432 /* General Parameters */
1434 if (rts_argv[arg][3] != '\0')
1436 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1437 if (RtsFlags.GranFlags.proc==0) {
1438 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1439 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1440 RtsFlags.GranFlags.proc < 1)
1442 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1448 RtsFlags.GranFlags.proc = MAX_PROC;
1452 RtsFlags.GranFlags.Fishing = rtsTrue;
1453 if (rts_argv[arg][3] != '\0')
1454 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1456 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1460 if (rts_argv[arg][3] != '\0')
1461 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1463 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1467 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1468 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1472 fprintf(stderr,"Bulk fetching enabled.\n");
1473 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1477 fprintf(stderr,"Thread migration enabled.\n");
1478 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1482 fprintf(stderr,"Fair Scheduling enabled.\n");
1483 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1487 fprintf(stderr,"Priority Scheduling enabled.\n");
1488 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1492 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1493 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1497 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1501 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1505 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1509 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1513 /* format is -bP<c> where <c> is one char describing kind of profile */
1514 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1515 switch(rts_argv[arg][3]) {
1516 case '\0': break; // nothing special, just an ordinary profile
1517 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1519 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1521 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1523 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1525 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1527 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1529 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1534 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1538 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1541 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1542 if (rts_argv[arg][3] != '\0') {
1545 arg0 = rts_argv[arg]+3;
1546 if ((tmp = strstr(arg0,","))==NULL) {
1547 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1548 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1551 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1552 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1553 fprintf(stderr,"SparkPriority: %u.\n",
1554 RtsFlags.GranFlags.SparkPriority);
1555 fprintf(stderr,"SparkPriority2:%u.\n",
1556 RtsFlags.GranFlags.SparkPriority2);
1557 if (RtsFlags.GranFlags.SparkPriority2 <
1558 RtsFlags.GranFlags.SparkPriority) {
1559 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1560 RtsFlags.GranFlags.SparkPriority2,
1561 RtsFlags.GranFlags.SparkPriority);
1565 /* plain pri spark is now invoked with -bX
1566 RtsFlags.GranFlags.DoPrioritySparking = 1;
1567 fprintf(stderr,"PrioritySparking.\n");
1573 if (rts_argv[arg][3] != '\0') {
1574 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1576 RtsFlags.GranFlags.ThunksToPack = 1;
1578 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1579 RtsFlags.GranFlags.ThunksToPack);
1583 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1584 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1587 /* The following class of options contains eXperimental */
1588 /* features in connection with exploiting granularity */
1589 /* information. I.e. if -bY is chosen these options */
1590 /* tell the RTS what to do with the supplied info --HWL */
1593 if (rts_argv[arg][3] != '\0') {
1594 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1596 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1598 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1599 RtsFlags.GranFlags.packBufferSize_internal);
1603 switch(rts_argv[arg][3]) {
1606 RtsFlags.GranFlags.DoPrioritySparking = 1;
1607 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1608 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1609 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1610 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1614 RtsFlags.GranFlags.DoPrioritySparking = 1;
1615 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1616 RtsFlags.GranFlags.InversePriorities++;
1620 RtsFlags.GranFlags.DoPrioritySparking = 1;
1621 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1622 RtsFlags.GranFlags.RandomPriorities++;
1626 RtsFlags.GranFlags.DoPrioritySparking = 1;
1627 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1628 RtsFlags.GranFlags.IgnorePriorities++;
1632 bad_option( rts_argv[arg] );
1638 switch(rts_argv[arg][3]) {
1641 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1642 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1646 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1650 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1654 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1658 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1659 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1663 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1667 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1671 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1675 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1679 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1683 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1687 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1691 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1692 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1696 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1700 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1704 bad_option( rts_argv[arg] );
1709 # if defined(GRAN_CHECK) && defined(GRAN)
1711 switch(rts_argv[arg][3]) {
1712 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1713 if (rts_argv[arg][4] != '\0') {
1714 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1715 fprintf(stderr,"Pack buffer size: %d\n",
1716 RtsFlags.GranFlags.packBufferSize);
1718 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1724 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1725 /* hack warning: interpret the flags as a binary number */
1726 nat n = decode(rts_argv[arg]+3);
1727 set_GranSim_debug_options(n);
1730 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1731 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1734 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1735 fprintf(stderr, "Valid GranSim debug options are:\n");
1736 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1737 bad_option( rts_argv[arg] );
1738 } else { // flag found; now set it
1739 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1745 case 'e': /* event trace; also -bD1 */
1746 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1747 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1748 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1751 case 'E': /* event statistics; also -bD2 */
1752 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1753 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1754 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1757 case 'f': /* thunkStealing; also -bD4 */
1758 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1759 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1760 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1763 case 'z': /* blockOnFetch; also -bD8 */
1764 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1765 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1766 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1769 case 't': /* blockOnFetch_sanity; also -bD16 */
1770 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1771 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1772 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1775 case 'S': /* priSpark; also -bD32 */
1776 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1777 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1780 case 's': /* priSched; also -bD64 */
1781 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1782 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1785 case 'F': /* findWork; also -bD128 */
1786 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1787 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1790 case 'g': /* globalBlock; also -bD256 */
1791 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1792 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1795 case 'G': /* pack; also -bD512 */
1796 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1797 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1800 case 'P': /* packBuffer; also -bD1024 */
1801 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1802 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1805 case 'o': /* sortedQ; also -bD2048 */
1806 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1807 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1810 case 'r': /* randomSteal; also -bD4096 */
1811 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1812 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1815 case 'q': /* checkSparkQ; also -bD8192 */
1816 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1817 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1820 case ':': /* checkLight; also -bD16384 */
1821 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1822 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1825 case 'b': /* bq; also -bD32768 */
1826 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1827 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1830 case 'd': /* all options turned on */
1831 fprintf(stderr,"DEBUG: all options turned on.\n");
1832 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1833 /* RtsFlags.GranFlags.Debug |= 0x40; */
1837 /* RtsFlags.GranFlags.Debug = 1; */
1843 # endif /* GRAN_CHECK */
1845 bad_option( rts_argv[arg] );
1851 Interpret n as a binary number masking GranSim debug options and set the
1852 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1855 set_GranSim_debug_options(nat n) {
1858 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1860 fprintf(stderr, gran_debug_opts_strs[i]);
1862 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1863 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1864 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1865 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1866 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1867 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1868 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1869 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1870 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1871 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1872 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1873 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1874 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1875 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1876 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1877 default: barf("set_GranSim_debug_options: only %d debug options expected");
1883 Print one line explanation for each of the GranSim debug options specified
1887 help_GranSim_debug_options(nat n) {
1890 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1892 fprintf(stderr, gran_debug_opts_strs[i]);
1898 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1901 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1902 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1906 /* Communication and task creation cost parameters */
1907 switch(rts_argv[arg][2]) {
1908 case 'e': /* -qe<n> ... allow <n> local sparks */
1909 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1910 RtsFlags.ParFlags.maxLocalSparks
1911 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1913 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1914 belch("setupRtsFlags: bad value for -e\n");
1918 IF_PAR_DEBUG(verbose,
1919 belch("-qe<n>: max %d local sparks",
1920 RtsFlags.ParFlags.maxLocalSparks));
1924 if (rts_argv[arg][3] != '\0') {
1925 RtsFlags.ParFlags.maxThreads
1926 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1928 belch("setupRtsFlags: missing size for -qt\n");
1931 IF_PAR_DEBUG(verbose,
1932 belch("-qt<n>: max %d threads",
1933 RtsFlags.ParFlags.maxThreads));
1937 if (rts_argv[arg][3] != '\0')
1938 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1940 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1942 IF_PAR_DEBUG(verbose,
1943 belch("-qf<n>: max %d fishes sent out at one time",
1944 RtsFlags.ParFlags.maxFishes));
1948 if (rts_argv[arg][3] != '\0') {
1949 RtsFlags.ParFlags.fishDelay
1950 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1952 belch("setupRtsFlags: missing fish delay time for -qF\n");
1955 IF_PAR_DEBUG(verbose,
1956 belch("-qF<n>: fish delay time %d us",
1957 RtsFlags.ParFlags.fishDelay));
1961 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1962 IF_PAR_DEBUG(verbose,
1963 belch("-qO: output disabled"));
1966 case 'g': /* -qg<n> ... globalisation scheme */
1967 if (rts_argv[arg][3] != '\0') {
1968 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1970 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1973 IF_PAR_DEBUG(verbose,
1974 belch("-qg<n>: globalisation scheme set to %d",
1975 RtsFlags.ParFlags.globalising));
1978 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1979 if (rts_argv[arg][3] != '\0') {
1980 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1982 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1985 IF_PAR_DEBUG(verbose,
1986 belch("-qh<n>: thunks per packet set to %d",
1987 RtsFlags.ParFlags.thunksToPack));
1990 case 'P': /* -qP for writing a log file */
1991 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1992 /* same encoding as in GranSim after -bP */
1993 switch(rts_argv[arg][3]) {
1994 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1995 break; // nothing special, just an ordinary profile
1996 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1997 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1999 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2001 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2003 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2005 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2008 # if defined(PAR_TICKY)
2009 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2011 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
2012 stg_exit(EXIT_FAILURE);
2015 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2017 IF_PAR_DEBUG(verbose,
2018 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2019 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2022 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2023 if (rts_argv[arg][3] != '\0') {
2024 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2026 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
2029 IF_PAR_DEBUG(verbose,
2030 belch("-qQ<n>: pack buffer size set to %d",
2031 RtsFlags.ParFlags.packBufferSize));
2035 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2036 IF_PAR_DEBUG(verbose,
2037 belch("-qR: fair-ish scheduling"));
2042 if (rts_argv[arg][3] != '\0') {
2043 RtsFlags.ParFlags.wait
2044 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2046 RtsFlags.ParFlags.wait = 1000;
2048 IF_PAR_DEBUG(verbose,
2049 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2050 RtsFlags.ParFlags.wait));
2053 case 'D': /* -qD ... all the debugging options */
2054 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2055 /* hack warning: interpret the flags as a binary number */
2056 nat n = decode(rts_argv[arg]+3);
2057 set_par_debug_options(n);
2060 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2061 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2064 if (i==MAX_PAR_DEBUG_OPTION+1) {
2065 fprintf(stderr, "Valid GUM debug options are:\n");
2066 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2067 bad_option( rts_argv[arg] );
2068 } else { // flag found; now set it
2069 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2075 belch("Unknown option -q%c (%d opts in total)",
2076 rts_argv[arg][2], *rts_argc);
2082 Interpret n as a binary number masking Par debug options and set the
2083 correxponding option. See par_debug_opts_strs for explanations of the flags.
2086 set_par_debug_options(nat n) {
2089 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2091 fprintf(stderr, par_debug_opts_strs[i]);
2093 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2094 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2095 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2096 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2097 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2098 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2099 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2100 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2101 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2102 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2103 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2104 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2105 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2106 default: barf("set_par_debug_options: only %d debug options expected",
2107 MAX_PAR_DEBUG_OPTION);
2113 Print one line explanation for each of the GranSim debug options specified
2117 help_par_debug_options(nat n) {
2120 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2122 fprintf(stderr, par_debug_opts_strs[i]);
2127 //@node Aux fcts, , GranSim specific options
2128 //@subsection Aux fcts
2130 static FILE * /* return NULL on error */
2133 int argc, char *argv[],
2134 int rts_argc, char *rts_argv[],
2135 const char *FILENAME_FMT)
2139 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2141 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2142 f = fopen(rts_argv[arg]+2,"w");
2144 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2145 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2146 f = fopen(stats_filename,"w");
2149 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2151 /* Write argv and rtsv into start of stats file */
2153 for(count = 0; count < argc; count++)
2154 fprintf(f, "%s ", argv[count]);
2155 fprintf(f, "+RTS ");
2156 for(count = 0; count < rts_argc; count++)
2157 fprintf(f, "%s ", rts_argv[count]);
2165 decode(const char *s)
2176 if (c == 'g' || c == 'G')
2177 m *= 1000*1000*1000; /* UNchecked! */
2178 else if (c == 'm' || c == 'M')
2179 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2180 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2181 m *= 1000; /* a direct-mapped cache. */
2182 else if (c == 'w' || c == 'W')
2189 bad_option(const char *s)
2191 prog_belch("bad RTS option: %s", s);
2192 stg_exit(EXIT_FAILURE);