1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.63 2002/12/19 14:23:35 simonmar 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[] = {
64 "_.", /* interpreter */
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.interpreter = 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 " -Di DEBUG: interpreter",
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 next
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.interpreter = 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 RtsFlags.DebugFlags.apply = rtsTrue;
776 bad_option( rts_argv[arg] );
784 RtsFlags.GcFlags.maxStkSize =
785 decode(rts_argv[arg]+2) / sizeof(W_);
787 if (RtsFlags.GcFlags.maxStkSize == 0)
788 bad_option( rts_argv[arg] );
792 RtsFlags.GcFlags.initialStkSize =
793 decode(rts_argv[arg]+2) / sizeof(W_);
795 if (RtsFlags.GcFlags.initialStkSize == 0)
796 bad_option( rts_argv[arg] );
800 RtsFlags.GcFlags.maxHeapSize =
801 decode(rts_argv[arg]+2) / BLOCK_SIZE;
802 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
804 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
805 bad_option(rts_argv[arg]);
810 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
812 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
813 RtsFlags.GcFlags.pcFreeHeap > 100)
814 bad_option( rts_argv[arg] );
818 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
819 if (RtsFlags.GcFlags.generations < 1) {
820 bad_option(rts_argv[arg]);
825 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
826 if (RtsFlags.GcFlags.steps < 1) {
827 bad_option(rts_argv[arg]);
832 RtsFlags.GcFlags.heapSizeSuggestion =
833 decode(rts_argv[arg]+2) / BLOCK_SIZE;
835 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
836 bad_option(rts_argv[arg]);
840 #ifdef RTS_GTK_FRONTPANEL
842 RtsFlags.GcFlags.frontpanel = rtsTrue;
847 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
851 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
855 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
860 /* Opening all those files would almost certainly fail... */
861 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
862 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
864 RtsFlags.GcFlags.statsFile
865 = open_stats_file(arg, *argc, argv,
866 *rts_argc, rts_argv, STAT_FILENAME_FMT);
868 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
873 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
876 /* =========== PROFILING ========================== */
878 case 'P': /* detailed cost centre profiling (time/alloc) */
879 case 'p': /* cost centre profiling (time/alloc) */
880 COST_CENTRE_USING_BUILD_ONLY(
881 switch (rts_argv[arg][2]) {
883 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
886 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
889 if (rts_argv[arg][1] == 'P') {
890 RtsFlags.CcFlags.doCostCentres =
891 COST_CENTRES_VERBOSE;
893 RtsFlags.CcFlags.doCostCentres =
894 COST_CENTRES_SUMMARY;
901 PROFILING_BUILD_ONLY(
902 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
905 case 'h': /* serial heap profile */
906 #if !defined(PROFILING) && defined(DEBUG)
907 switch (rts_argv[arg][2]) {
910 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
913 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
916 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
920 PROFILING_BUILD_ONLY(
921 switch (rts_argv[arg][2]) {
935 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
937 char *left = strchr(rts_argv[arg], '{');
938 char *right = strrchr(rts_argv[arg], '}');
940 // curly braces are optional, for
945 left = rts_argv[arg] + 3;
948 right = rts_argv[arg] + strlen(rts_argv[arg]);
952 switch (rts_argv[arg][2]) {
953 case 'c': // cost centre label select
954 RtsFlags.ProfFlags.ccSelector = left;
957 RtsFlags.ProfFlags.ccsSelector = left;
960 case 'm': // cost centre module select
961 RtsFlags.ProfFlags.modSelector = left;
964 case 'd': // closure descr select
965 RtsFlags.ProfFlags.descrSelector = left;
968 case 'y': // closure type select
969 RtsFlags.ProfFlags.typeSelector = left;
972 case 'r': // retainer select
973 RtsFlags.ProfFlags.retainerSelector = left;
976 case 'b': // biography select
977 RtsFlags.ProfFlags.bioSelector = left;
984 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
985 prog_belch("multiple heap profile options");
990 switch (rts_argv[arg][2]) {
994 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
998 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1002 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1006 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1010 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1014 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1020 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
1027 #if defined(PROFILING)
1028 case 'i': /* heap sample interval */
1029 if (rts_argv[arg][2] == '\0') {
1034 /* Convert to milliseconds */
1035 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1036 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1037 if (cst != 0 && cst < CS_MIN_MILLISECS)
1038 cst = CS_MIN_MILLISECS;
1040 RtsFlags.ProfFlags.profileInterval = cst;
1045 /* =========== CONCURRENT ========================= */
1046 case 'C': /* context switch interval */
1047 if (rts_argv[arg][2] == '\0')
1048 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1052 /* Convert to milliseconds */
1053 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1054 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1055 if (cst != 0 && cst < CS_MIN_MILLISECS)
1056 cst = CS_MIN_MILLISECS;
1058 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1065 if (rts_argv[arg][2] != '\0') {
1066 RtsFlags.ParFlags.nNodes
1067 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1068 if (RtsFlags.ParFlags.nNodes <= 0) {
1069 prog_belch("bad value for -N");
1075 /* =========== PARALLEL =========================== */
1077 PAR_OR_SMP_BUILD_ONLY(
1078 if (rts_argv[arg][2] != '\0') {
1079 RtsFlags.ParFlags.maxLocalSparks
1080 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1081 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1082 prog_belch("bad value for -e");
1090 process_par_option(arg, rts_argc, rts_argv, &error);
1093 /* =========== GRAN =============================== */
1097 process_gran_option(arg, rts_argc, rts_argv, &error);
1100 /* =========== TICKY ============================== */
1102 case 'r': /* Basic profiling stats */
1105 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1106 RtsFlags.TickyFlags.tickyFile
1107 = open_stats_file(arg, *argc, argv,
1108 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1110 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1113 /* =========== EXTENDED OPTIONS =================== */
1115 case 'x': /* Extend the argument space */
1116 switch(rts_argv[arg][2]) {
1118 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1122 case 'c': /* Debugging tool: show current cost centre on an exception */
1123 PROFILING_BUILD_ONLY(
1124 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1127 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1130 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1134 break; /* defensive programming */
1136 /* =========== OH DEAR ============================ */
1138 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1148 for (p = usage_text; *p; p++)
1150 stg_exit(EXIT_FAILURE);
1156 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1157 //@subsection GranSim specific options
1160 enable_GranSimLight(void) {
1162 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1163 RtsFlags.GranFlags.Light=rtsTrue;
1164 RtsFlags.GranFlags.Costs.latency =
1165 RtsFlags.GranFlags.Costs.fetchtime =
1166 RtsFlags.GranFlags.Costs.additional_latency =
1167 RtsFlags.GranFlags.Costs.gunblocktime =
1168 RtsFlags.GranFlags.Costs.lunblocktime =
1169 RtsFlags.GranFlags.Costs.threadcreatetime =
1170 RtsFlags.GranFlags.Costs.threadqueuetime =
1171 RtsFlags.GranFlags.Costs.threadscheduletime =
1172 RtsFlags.GranFlags.Costs.threaddescheduletime =
1173 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1175 RtsFlags.GranFlags.Costs.mpacktime =
1176 RtsFlags.GranFlags.Costs.munpacktime = 0;
1178 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1179 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1180 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1181 /* FetchStrategy is irrelevant in GrAnSim-Light */
1183 /* GrAnSim Light often creates an abundance of parallel threads,
1184 each with its own stack etc. Therefore, it's in general a good
1185 idea to use small stack chunks (use the -o<size> option to
1188 // RtsFlags.ConcFlags.stkChunkSize = 100;
1190 RtsFlags.GranFlags.proc = 1;
1194 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1196 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1199 /* or a ridiculously idealised simulator */
1200 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1201 RtsFlags.GranFlags.Costs.latency =
1202 RtsFlags.GranFlags.Costs.fetchtime =
1203 RtsFlags.GranFlags.Costs.additional_latency =
1204 RtsFlags.GranFlags.Costs.gunblocktime =
1205 RtsFlags.GranFlags.Costs.lunblocktime =
1206 RtsFlags.GranFlags.Costs.threadcreatetime =
1207 RtsFlags.GranFlags.Costs.threadqueuetime =
1208 RtsFlags.GranFlags.Costs.threadscheduletime =
1209 RtsFlags.GranFlags.Costs.threaddescheduletime =
1210 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1212 RtsFlags.GranFlags.Costs.mpacktime =
1213 RtsFlags.GranFlags.Costs.munpacktime = 0;
1215 RtsFlags.GranFlags.Costs.arith_cost =
1216 RtsFlags.GranFlags.Costs.float_cost =
1217 RtsFlags.GranFlags.Costs.load_cost =
1218 RtsFlags.GranFlags.Costs.store_cost =
1219 RtsFlags.GranFlags.Costs.branch_cost = 0;
1221 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1223 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1224 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1225 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1226 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1230 /* or a somewhat idealised simulator */
1231 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1232 RtsFlags.GranFlags.Costs.latency =
1233 RtsFlags.GranFlags.Costs.fetchtime =
1234 RtsFlags.GranFlags.Costs.additional_latency =
1235 RtsFlags.GranFlags.Costs.gunblocktime =
1236 RtsFlags.GranFlags.Costs.lunblocktime =
1237 RtsFlags.GranFlags.Costs.threadcreatetime =
1238 RtsFlags.GranFlags.Costs.threadqueuetime =
1239 RtsFlags.GranFlags.Costs.threadscheduletime =
1240 RtsFlags.GranFlags.Costs.threaddescheduletime =
1241 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1243 RtsFlags.GranFlags.Costs.mpacktime =
1244 RtsFlags.GranFlags.Costs.munpacktime = 0;
1246 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1248 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1249 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1250 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1251 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1252 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1253 # if defined(GRAN_CHECK) && defined(GRAN)
1254 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1259 /* Communication and task creation cost parameters */
1260 switch(rts_argv[arg][2]) {
1262 IgnoreYields = rtsTrue; // HWL HACK
1266 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1270 if (rts_argv[arg][3] != '\0')
1272 RtsFlags.GranFlags.Costs.gunblocktime =
1273 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1274 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1277 RtsFlags.GranFlags.Costs.latency = LATENCY;
1281 if (rts_argv[arg][3] != '\0')
1282 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1284 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1288 if (rts_argv[arg][3] != '\0')
1289 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1291 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1295 if (rts_argv[arg][3] != '\0')
1296 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1298 RtsFlags.GranFlags.Costs.mtidytime = 0;
1302 if (rts_argv[arg][3] != '\0')
1303 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1305 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1309 if (rts_argv[arg][3] != '\0')
1310 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1312 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1316 if (rts_argv[arg][3] != '\0')
1317 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1319 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1323 if (rts_argv[arg][3] != '\0')
1324 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1326 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1329 /* Thread-related metrics */
1331 if (rts_argv[arg][3] != '\0')
1332 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1334 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1338 if (rts_argv[arg][3] != '\0')
1339 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1341 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1345 if (rts_argv[arg][3] != '\0')
1346 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1348 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1350 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1351 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1355 if (rts_argv[arg][3] != '\0')
1356 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1358 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1360 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1361 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1364 /* Instruction Cost Metrics */
1366 if (rts_argv[arg][3] != '\0')
1367 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1369 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1373 if (rts_argv[arg][3] != '\0')
1374 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1376 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1380 if (rts_argv[arg][3] != '\0')
1381 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1383 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1387 if (rts_argv[arg][3] != '\0')
1388 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1390 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1394 if (rts_argv[arg][3] != '\0')
1395 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1397 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1401 if (rts_argv[arg][3] != '\0')
1402 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1404 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1408 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1409 if (rts_argv[arg][3] != '\0')
1410 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1412 RtsFlags.GranFlags.FetchStrategy = 2;
1413 if (RtsFlags.GranFlags.FetchStrategy == 0)
1414 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1417 case 'K': /* sort overhead (per elem in spark list) */
1418 if (rts_argv[arg][3] != '\0')
1419 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1421 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1422 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1423 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1426 case 'O': /* sort overhead (per elem in spark list) */
1427 if (rts_argv[arg][3] != '\0')
1428 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1430 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1431 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1432 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1435 /* General Parameters */
1437 if (rts_argv[arg][3] != '\0')
1439 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1440 if (RtsFlags.GranFlags.proc==0) {
1441 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1442 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1443 RtsFlags.GranFlags.proc < 1)
1445 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1451 RtsFlags.GranFlags.proc = MAX_PROC;
1455 RtsFlags.GranFlags.Fishing = rtsTrue;
1456 if (rts_argv[arg][3] != '\0')
1457 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1459 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1463 if (rts_argv[arg][3] != '\0')
1464 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1466 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1470 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1471 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1475 fprintf(stderr,"Bulk fetching enabled.\n");
1476 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1480 fprintf(stderr,"Thread migration enabled.\n");
1481 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1485 fprintf(stderr,"Fair Scheduling enabled.\n");
1486 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1490 fprintf(stderr,"Priority Scheduling enabled.\n");
1491 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1495 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1496 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1500 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1504 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1508 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1512 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1516 /* format is -bP<c> where <c> is one char describing kind of profile */
1517 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1518 switch(rts_argv[arg][3]) {
1519 case '\0': break; // nothing special, just an ordinary profile
1520 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1522 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1524 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1526 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1528 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1530 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1532 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1537 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1541 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1544 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1545 if (rts_argv[arg][3] != '\0') {
1548 arg0 = rts_argv[arg]+3;
1549 if ((tmp = strstr(arg0,","))==NULL) {
1550 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1551 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1554 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1555 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1556 fprintf(stderr,"SparkPriority: %u.\n",
1557 RtsFlags.GranFlags.SparkPriority);
1558 fprintf(stderr,"SparkPriority2:%u.\n",
1559 RtsFlags.GranFlags.SparkPriority2);
1560 if (RtsFlags.GranFlags.SparkPriority2 <
1561 RtsFlags.GranFlags.SparkPriority) {
1562 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1563 RtsFlags.GranFlags.SparkPriority2,
1564 RtsFlags.GranFlags.SparkPriority);
1568 /* plain pri spark is now invoked with -bX
1569 RtsFlags.GranFlags.DoPrioritySparking = 1;
1570 fprintf(stderr,"PrioritySparking.\n");
1576 if (rts_argv[arg][3] != '\0') {
1577 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1579 RtsFlags.GranFlags.ThunksToPack = 1;
1581 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1582 RtsFlags.GranFlags.ThunksToPack);
1586 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1587 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1590 /* The following class of options contains eXperimental */
1591 /* features in connection with exploiting granularity */
1592 /* information. I.e. if -bY is chosen these options */
1593 /* tell the RTS what to do with the supplied info --HWL */
1596 if (rts_argv[arg][3] != '\0') {
1597 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1599 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1601 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1602 RtsFlags.GranFlags.packBufferSize_internal);
1606 switch(rts_argv[arg][3]) {
1609 RtsFlags.GranFlags.DoPrioritySparking = 1;
1610 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1611 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1612 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1613 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1617 RtsFlags.GranFlags.DoPrioritySparking = 1;
1618 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1619 RtsFlags.GranFlags.InversePriorities++;
1623 RtsFlags.GranFlags.DoPrioritySparking = 1;
1624 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1625 RtsFlags.GranFlags.RandomPriorities++;
1629 RtsFlags.GranFlags.DoPrioritySparking = 1;
1630 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1631 RtsFlags.GranFlags.IgnorePriorities++;
1635 bad_option( rts_argv[arg] );
1641 switch(rts_argv[arg][3]) {
1644 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1645 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1649 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1653 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1657 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1661 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1662 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1666 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1670 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1674 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1678 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1682 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1686 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1690 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1694 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1695 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1699 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1703 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1707 bad_option( rts_argv[arg] );
1712 # if defined(GRAN_CHECK) && defined(GRAN)
1714 switch(rts_argv[arg][3]) {
1715 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1716 if (rts_argv[arg][4] != '\0') {
1717 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1718 fprintf(stderr,"Pack buffer size: %d\n",
1719 RtsFlags.GranFlags.packBufferSize);
1721 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1727 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1728 /* hack warning: interpret the flags as a binary number */
1729 nat n = decode(rts_argv[arg]+3);
1730 set_GranSim_debug_options(n);
1733 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1734 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1737 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1738 fprintf(stderr, "Valid GranSim debug options are:\n");
1739 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1740 bad_option( rts_argv[arg] );
1741 } else { // flag found; now set it
1742 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1748 case 'e': /* event trace; also -bD1 */
1749 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1750 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1751 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1754 case 'E': /* event statistics; also -bD2 */
1755 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1756 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1757 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1760 case 'f': /* thunkStealing; also -bD4 */
1761 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1762 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1763 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1766 case 'z': /* blockOnFetch; also -bD8 */
1767 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1768 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1769 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1772 case 't': /* blockOnFetch_sanity; also -bD16 */
1773 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1774 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1775 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1778 case 'S': /* priSpark; also -bD32 */
1779 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1780 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1783 case 's': /* priSched; also -bD64 */
1784 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1785 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1788 case 'F': /* findWork; also -bD128 */
1789 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1790 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1793 case 'g': /* globalBlock; also -bD256 */
1794 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1795 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1798 case 'G': /* pack; also -bD512 */
1799 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1800 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1803 case 'P': /* packBuffer; also -bD1024 */
1804 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1805 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1808 case 'o': /* sortedQ; also -bD2048 */
1809 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1810 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1813 case 'r': /* randomSteal; also -bD4096 */
1814 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1815 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1818 case 'q': /* checkSparkQ; also -bD8192 */
1819 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1820 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1823 case ':': /* checkLight; also -bD16384 */
1824 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1825 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1828 case 'b': /* bq; also -bD32768 */
1829 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1830 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1833 case 'd': /* all options turned on */
1834 fprintf(stderr,"DEBUG: all options turned on.\n");
1835 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1836 /* RtsFlags.GranFlags.Debug |= 0x40; */
1840 /* RtsFlags.GranFlags.Debug = 1; */
1846 # endif /* GRAN_CHECK */
1848 bad_option( rts_argv[arg] );
1854 Interpret n as a binary number masking GranSim debug options and set the
1855 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1858 set_GranSim_debug_options(nat n) {
1861 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1863 fprintf(stderr, gran_debug_opts_strs[i]);
1865 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1866 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1867 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1868 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1869 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1870 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1871 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1872 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1873 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1874 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1875 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1876 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1877 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1878 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1879 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1880 default: barf("set_GranSim_debug_options: only %d debug options expected");
1886 Print one line explanation for each of the GranSim debug options specified
1890 help_GranSim_debug_options(nat n) {
1893 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1895 fprintf(stderr, gran_debug_opts_strs[i]);
1901 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1904 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1905 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1909 /* Communication and task creation cost parameters */
1910 switch(rts_argv[arg][2]) {
1911 case 'e': /* -qe<n> ... allow <n> local sparks */
1912 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1913 RtsFlags.ParFlags.maxLocalSparks
1914 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1916 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1917 belch("setupRtsFlags: bad value for -e\n");
1921 IF_PAR_DEBUG(verbose,
1922 belch("-qe<n>: max %d local sparks",
1923 RtsFlags.ParFlags.maxLocalSparks));
1927 if (rts_argv[arg][3] != '\0') {
1928 RtsFlags.ParFlags.maxThreads
1929 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1931 belch("setupRtsFlags: missing size for -qt\n");
1934 IF_PAR_DEBUG(verbose,
1935 belch("-qt<n>: max %d threads",
1936 RtsFlags.ParFlags.maxThreads));
1940 if (rts_argv[arg][3] != '\0')
1941 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1943 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1945 IF_PAR_DEBUG(verbose,
1946 belch("-qf<n>: max %d fishes sent out at one time",
1947 RtsFlags.ParFlags.maxFishes));
1951 if (rts_argv[arg][3] != '\0') {
1952 RtsFlags.ParFlags.fishDelay
1953 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1955 belch("setupRtsFlags: missing fish delay time for -qF\n");
1958 IF_PAR_DEBUG(verbose,
1959 belch("-qF<n>: fish delay time %d us",
1960 RtsFlags.ParFlags.fishDelay));
1964 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1965 IF_PAR_DEBUG(verbose,
1966 belch("-qO: output disabled"));
1969 case 'g': /* -qg<n> ... globalisation scheme */
1970 if (rts_argv[arg][3] != '\0') {
1971 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1973 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1976 IF_PAR_DEBUG(verbose,
1977 belch("-qg<n>: globalisation scheme set to %d",
1978 RtsFlags.ParFlags.globalising));
1981 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1982 if (rts_argv[arg][3] != '\0') {
1983 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1985 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1988 IF_PAR_DEBUG(verbose,
1989 belch("-qh<n>: thunks per packet set to %d",
1990 RtsFlags.ParFlags.thunksToPack));
1993 case 'P': /* -qP for writing a log file */
1994 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1995 /* same encoding as in GranSim after -bP */
1996 switch(rts_argv[arg][3]) {
1997 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1998 break; // nothing special, just an ordinary profile
1999 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2000 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2002 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2004 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2006 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2008 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2011 # if defined(PAR_TICKY)
2012 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2014 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
2015 stg_exit(EXIT_FAILURE);
2018 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2020 IF_PAR_DEBUG(verbose,
2021 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2022 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2025 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2026 if (rts_argv[arg][3] != '\0') {
2027 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2029 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
2032 IF_PAR_DEBUG(verbose,
2033 belch("-qQ<n>: pack buffer size set to %d",
2034 RtsFlags.ParFlags.packBufferSize));
2038 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2039 IF_PAR_DEBUG(verbose,
2040 belch("-qR: fair-ish scheduling"));
2045 if (rts_argv[arg][3] != '\0') {
2046 RtsFlags.ParFlags.wait
2047 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2049 RtsFlags.ParFlags.wait = 1000;
2051 IF_PAR_DEBUG(verbose,
2052 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2053 RtsFlags.ParFlags.wait));
2056 case 'D': /* -qD ... all the debugging options */
2057 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2058 /* hack warning: interpret the flags as a binary number */
2059 nat n = decode(rts_argv[arg]+3);
2060 set_par_debug_options(n);
2063 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2064 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2067 if (i==MAX_PAR_DEBUG_OPTION+1) {
2068 fprintf(stderr, "Valid GUM debug options are:\n");
2069 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2070 bad_option( rts_argv[arg] );
2071 } else { // flag found; now set it
2072 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2078 belch("Unknown option -q%c (%d opts in total)",
2079 rts_argv[arg][2], *rts_argc);
2085 Interpret n as a binary number masking Par debug options and set the
2086 correxponding option. See par_debug_opts_strs for explanations of the flags.
2089 set_par_debug_options(nat n) {
2092 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2094 fprintf(stderr, par_debug_opts_strs[i]);
2096 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2097 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2098 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2099 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2100 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2101 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2102 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2103 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2104 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2105 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2106 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2107 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2108 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2109 default: barf("set_par_debug_options: only %d debug options expected",
2110 MAX_PAR_DEBUG_OPTION);
2116 Print one line explanation for each of the GranSim debug options specified
2120 help_par_debug_options(nat n) {
2123 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2125 fprintf(stderr, par_debug_opts_strs[i]);
2130 //@node Aux fcts, , GranSim specific options
2131 //@subsection Aux fcts
2133 static FILE * /* return NULL on error */
2136 int argc, char *argv[],
2137 int rts_argc, char *rts_argv[],
2138 const char *FILENAME_FMT)
2142 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2144 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2145 f = fopen(rts_argv[arg]+2,"w");
2147 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2148 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2149 f = fopen(stats_filename,"w");
2152 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2154 /* Write argv and rtsv into start of stats file */
2156 for(count = 0; count < argc; count++)
2157 fprintf(f, "%s ", argv[count]);
2158 fprintf(f, "+RTS ");
2159 for(count = 0; count < rts_argc; count++)
2160 fprintf(f, "%s ", rts_argv[count]);
2168 decode(const char *s)
2179 if (c == 'g' || c == 'G')
2180 m *= 1000*1000*1000; /* UNchecked! */
2181 else if (c == 'm' || c == 'M')
2182 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2183 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2184 m *= 1000; /* a direct-mapped cache. */
2185 else if (c == 'w' || c == 'W')
2192 bad_option(const char *s)
2194 prog_belch("bad RTS option: %s", s);
2195 stg_exit(EXIT_FAILURE);