1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.53 2001/11/26 16:54:21 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)
40 extern struct RTS_FLAGS RtsFlags;
43 * Split argument lists
45 int prog_argc; /* an "int" so as to match normal "argc" */
46 char **prog_argv = NULL;
47 int rts_argc; /* ditto */
48 char *rts_argv[MAX_RTS_ARGS];
50 //@node Constants, Static function decls, Includes
51 //@subsection Constants
54 * constants, used later
59 char *debug_opts_strs[] = {
60 "DEBUG (-D1): scheduler\n",
61 "DEBUG (-D2): evaluator\n",
62 "DEBUG (-D4): codegen\n",
63 "DEBUG (-D8): weak\n",
64 "DEBUG (-D16): gccafs\n",
66 "DEBUG (-D64): block\n",
67 "DEBUG (-D128): sanity\n",
68 "DEBUG (-D256): stable\n",
69 "DEBUG (-D512): prof\n",
70 "DEBUG (-D1024): gran\n",
71 "DEBUG (-D2048): par\n",
72 "DEBUG (-D4096): linker\n"
75 char *debug_opts_prefix[] = {
93 char *gran_debug_opts_strs[] = {
94 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
95 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
96 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
97 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
98 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
99 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
100 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
101 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
102 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
103 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
104 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
105 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
106 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
107 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
108 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
111 /* one character codes for the available debug options */
112 char gran_debug_opts_flags[] = {
113 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
116 /* prefix strings printed with the debug messages of the corresponding type */
117 char *gran_debug_opts_prefix[] = {
118 "", /* event_trace */
119 "", /* event_stats */
122 "^^", /* checkSparkQ */
123 "==", /* thunkStealing */
124 "^^", /* randomSteal */
128 "::", /* checkLight */
130 "", /* blockOnFetch */
132 "" /* blockOnFetch_sanity */
137 char *par_debug_opts_strs[] = {
138 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
139 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
140 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
141 "DEBUG (-qDe, -qD8): free; free messages.\n",
142 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
143 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
144 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
145 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
146 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
147 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
148 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
149 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
150 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
151 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
154 /* one character codes for the available debug options */
155 char par_debug_opts_flags[] = {
156 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
159 /* prefix strings printed with the debug messages of the corresponding type */
160 char *par_debug_opts_prefix[] = {
178 //@node Static function decls, Command-line option parsing routines, Constants
179 //@subsection Static function decls
181 /* -----------------------------------------------------------------------------
182 Static function decls
183 -------------------------------------------------------------------------- */
185 static FILE * /* return NULL on error */
188 int argc, char *argv[],
189 int rts_argc, char *rts_argv[],
190 const char *FILENAME_FMT);
192 static I_ decode(const char *s);
193 static void bad_option(const char *s);
196 static void enable_GranSimLight(void);
197 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
198 static void set_GranSim_debug_options(nat n);
199 static void help_GranSim_debug_options(nat n);
201 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
202 static void set_par_debug_options(nat n);
203 static void help_par_debug_options(nat n);
206 static void set_debug_options(nat n);
207 static void help_debug_options(nat n);
210 //@node Command-line option parsing routines, GranSim specific options, Static function decls
211 //@subsection Command-line option parsing routines
213 /* -----------------------------------------------------------------------------
214 * Command-line option parsing routines.
215 * ---------------------------------------------------------------------------*/
217 void initRtsFlagsDefaults(void)
219 RtsFlags.GcFlags.statsFile = NULL;
220 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
222 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
223 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
225 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
226 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
227 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
228 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
229 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
230 RtsFlags.GcFlags.oldGenFactor = 2;
232 /* A hack currently needed for GUM -- HWL */
233 RtsFlags.GcFlags.generations = 1;
234 RtsFlags.GcFlags.steps = 2;
235 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
237 RtsFlags.GcFlags.generations = 2;
238 RtsFlags.GcFlags.steps = 2;
239 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
241 RtsFlags.GcFlags.compact = rtsFalse;
242 RtsFlags.GcFlags.compactThreshold = 30.0;
243 #ifdef RTS_GTK_FRONTPANEL
244 RtsFlags.GcFlags.frontpanel = rtsFalse;
247 #if defined(PROFILING) || defined(PAR)
248 RtsFlags.CcFlags.doCostCentres = 0;
249 #endif /* PROFILING or PAR */
252 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
253 RtsFlags.ProfFlags.profileInterval = 20;
254 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
255 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
256 RtsFlags.ProfFlags.modSelector = NULL;
257 RtsFlags.ProfFlags.descrSelector = NULL;
258 RtsFlags.ProfFlags.typeSelector = NULL;
259 RtsFlags.ProfFlags.ccSelector = 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,cc ...} specific cost centre(s) (NOT STACKS!)",
430 " -hm{mod,mod...} all cost centres from the specified modules(s)",
431 " -hd{des,des...} closures with specified closure descriptions",
432 " -hy{typ,typ...} closures with specified type descriptions",
433 " -hr{cc,cc...} closures with specified retainers",
434 " -hb{bio,bio...} closures with specified biographies (lag,drag,void,use)",
436 " -R<size> Set the maximum retainer set size (default: 8)",
438 " -i<msec> Time between heap samples (msec, default: 20)",
440 " -xc Show current cost centre stack on raising an exception",
442 #endif /* PROFILING or PAR */
443 #if !defined(PROFILING) && defined(DEBUG)
445 " -h<break-down> Debugging Heap residency profile",
446 " (output file <program>.hp)",
447 " break-down: L = closure label (default)",
448 " T = closure type (constructor, thunk etc.)",
451 #if defined(TICKY_TICKY)
452 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
456 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
457 /* NB: the -N<n> is implemented by the driver!! */
459 " -C<secs> Context-switch interval in seconds",
460 " (0 or no argument means switch as often as possible)",
461 " the default is .02 sec; resolution is .02 sec",
463 " -N<n> Use <n> OS threads (default: 1)",
465 #if defined(SMP) || defined(PAR)
466 " -e<size> Size of spark pools (default 100)",
469 " -t<num> Set maximum number of advisory threads per PE (default 32)",
470 " -qP Enable activity profile (output files in ~/<program>*.gr)",
471 " -qQ<size> Set pack-buffer size (default: 1024)",
472 " -qd Turn on PVM-ish debugging",
473 " -qO Disable output for performance measurement",
475 #if defined(SMP) || defined(PAR)
476 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
479 " -d Turn on PVM-ish debugging",
480 " -O Disable output for performance measurement",
482 #if defined(GRAN) /* ToDo: fill in decent Docu here */
483 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
486 "RTS options may also be specified using the GHCRTS environment variable.",
488 "Other RTS options may be available for programs compiled a different way.",
489 "The GHC User's Guide has full details.",
494 static __inline__ rtsBool
495 strequal(const char *a, const char * b)
497 return(strcmp(a, b) == 0);
501 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
507 while (isspace(*c1)) { c1++; };
509 while (!isspace(*c2) && *c2 != '\0') { c2++; };
511 if (c1 == c2) { break; }
513 if (*rts_argc < MAX_RTS_ARGS-1) {
515 strncpy(s, c1, c2-c1);
517 rts_argv[(*rts_argc)++] = s;
519 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
523 } while (*c1 != '\0');
527 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
529 rtsBool error = rtsFalse;
534 /* Remove directory from argv[0] -- default files in current directory */
536 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
537 strcpy(argv[0], last_slash+1);
545 // process arguments from the ghc_rts_opts global variable first.
546 // (arguments from the GHCRTS environment variable and the command
547 // line override these).
549 if (ghc_rts_opts != NULL) {
550 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
554 // process arguments from the GHCRTS environment variable first
555 // (arguments from the command line override these).
557 char *ghc_rts = getenv("GHCRTS");
559 if (ghc_rts != NULL) {
560 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
564 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
565 // argv[0] must be PGM argument -- leave in argv
567 for (mode = PGM; arg < total_arg; arg++) {
568 // The '--RTS' argument disables all future +RTS ... -RTS processing.
569 if (strequal("--RTS", argv[arg])) {
573 // The '--' argument is passed through to the program, but
574 // disables all further +RTS ... -RTS processing.
575 else if (strequal("--", argv[arg])) {
578 else if (strequal("+RTS", argv[arg])) {
581 else if (strequal("-RTS", argv[arg])) {
584 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
585 rts_argv[(*rts_argc)++] = argv[arg];
587 else if (mode == PGM) {
588 argv[(*argc)++] = argv[arg];
591 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
594 // process remaining program arguments
595 for (; arg < total_arg; arg++) {
596 argv[(*argc)++] = argv[arg];
598 argv[*argc] = (char *) 0;
599 rts_argv[*rts_argc] = (char *) 0;
601 // Process RTS (rts_argv) part: mainly to determine statsfile
602 for (arg = 0; arg < *rts_argc; arg++) {
603 if (rts_argv[arg][0] != '-') {
605 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
609 switch(rts_argv[arg][1]) {
611 /* process: general args, then PROFILING-only ones,
612 then CONCURRENT-only, PARallel-only, GRAN-only,
613 TICKY-only (same order as defined in RtsFlags.lh);
614 within those groups, mostly in case-insensitive
616 Final group is x*, which allows for more options.
620 # define TICKY_BUILD_ONLY(x) x
622 # define TICKY_BUILD_ONLY(x) \
623 prog_belch("GHC not built for: ticky-ticky stats"); \
627 #if defined(PROFILING)
628 # define COST_CENTRE_USING_BUILD_ONLY(x) x
630 # define COST_CENTRE_USING_BUILD_ONLY(x) \
631 prog_belch("GHC not built for: -prof or -parallel"); \
636 # define PROFILING_BUILD_ONLY(x) x
638 # define PROFILING_BUILD_ONLY(x) \
639 prog_belch("GHC not built for: -prof"); \
644 # define SMP_BUILD_ONLY(x) x
646 # define SMP_BUILD_ONLY(x) \
647 prog_belch("GHC not built for: -smp"); \
652 # define PAR_BUILD_ONLY(x) x
654 # define PAR_BUILD_ONLY(x) \
655 prog_belch("GHC not built for: -parallel"); \
659 #if defined(SMP) || defined(PAR)
660 # define PAR_OR_SMP_BUILD_ONLY(x) x
662 # define PAR_OR_SMP_BUILD_ONLY(x) \
663 prog_belch("GHC not built for: -parallel or -smp"); \
668 # define GRAN_BUILD_ONLY(x) x
670 # define GRAN_BUILD_ONLY(x) \
671 prog_belch("GHC not built for: -gransim"); \
675 /* =========== GENERAL ========================== */
681 RtsFlags.GcFlags.minAllocAreaSize
682 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
683 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
684 bad_option(rts_argv[arg]);
689 RtsFlags.GcFlags.ringBell = rtsTrue;
693 if (rts_argv[arg][2] != '\0') {
694 RtsFlags.GcFlags.compactThreshold =
695 atof(rts_argv[arg]+2);
697 RtsFlags.GcFlags.compact = rtsTrue;
702 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
704 if (RtsFlags.GcFlags.oldGenFactor < 0)
705 bad_option( rts_argv[arg] );
710 if (isdigit(rts_argv[arg][2])) {/* Set all debugging options in one */
711 /* hack warning: interpret the flags as a binary number */
712 nat n = decode(rts_argv[arg]+2);
713 set_debug_options(n);
719 RtsFlags.GcFlags.maxStkSize =
720 decode(rts_argv[arg]+2) / sizeof(W_);
722 if (RtsFlags.GcFlags.maxStkSize == 0)
723 bad_option( rts_argv[arg] );
727 RtsFlags.GcFlags.initialStkSize =
728 decode(rts_argv[arg]+2) / sizeof(W_);
730 if (RtsFlags.GcFlags.initialStkSize == 0)
731 bad_option( rts_argv[arg] );
735 RtsFlags.GcFlags.maxHeapSize =
736 decode(rts_argv[arg]+2) / BLOCK_SIZE;
737 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
739 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
740 bad_option(rts_argv[arg]);
745 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
747 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
748 RtsFlags.GcFlags.pcFreeHeap > 100)
749 bad_option( rts_argv[arg] );
753 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
754 if (RtsFlags.GcFlags.generations < 1) {
755 bad_option(rts_argv[arg]);
760 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
761 if (RtsFlags.GcFlags.steps < 1) {
762 bad_option(rts_argv[arg]);
767 RtsFlags.GcFlags.heapSizeSuggestion =
768 decode(rts_argv[arg]+2) / BLOCK_SIZE;
770 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
771 bad_option(rts_argv[arg]);
775 #ifdef RTS_GTK_FRONTPANEL
777 RtsFlags.GcFlags.frontpanel = rtsTrue;
782 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
786 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
790 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
795 /* Opening all those files would almost certainly fail... */
796 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
797 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
799 RtsFlags.GcFlags.statsFile
800 = open_stats_file(arg, *argc, argv,
801 *rts_argc, rts_argv, STAT_FILENAME_FMT);
803 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
808 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
811 /* =========== PROFILING ========================== */
813 case 'P': /* detailed cost centre profiling (time/alloc) */
814 case 'p': /* cost centre profiling (time/alloc) */
815 COST_CENTRE_USING_BUILD_ONLY(
816 switch (rts_argv[arg][2]) {
818 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
821 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
824 if (rts_argv[arg][1] == 'P') {
825 RtsFlags.CcFlags.doCostCentres =
826 COST_CENTRES_VERBOSE;
828 RtsFlags.CcFlags.doCostCentres =
829 COST_CENTRES_SUMMARY;
836 PROFILING_BUILD_ONLY(
837 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
839 if (RtsFlags.ProfFlags.maxRetainerSetSize < 0)
840 bad_option( rts_argv[arg] );
844 case 'h': /* serial heap profile */
845 #if !defined(PROFILING) && defined(DEBUG)
846 switch (rts_argv[arg][2]) {
849 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
852 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
855 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
859 PROFILING_BUILD_ONLY(
860 switch (rts_argv[arg][2]) {
874 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
876 char *left = strchr(rts_argv[arg], '{');
877 char *right = strrchr(rts_argv[arg], '}');
878 if (! left || ! right ||
879 strrchr(rts_argv[arg], '{') != left ||
880 strchr(rts_argv[arg], '}') != right) {
882 "Invalid heap profiling selection bracketing\n %s\n",
887 switch (rts_argv[arg][2]) {
889 case 'c': // cost centre label select
890 RtsFlags.ProfFlags.ccSelector = left + 1;
893 case 'm': // cost centre module select
894 RtsFlags.ProfFlags.modSelector = left + 1;
897 case 'd': // closure descr select
898 RtsFlags.ProfFlags.descrSelector = left + 1;
901 case 'y': // closure type select
902 RtsFlags.ProfFlags.typeSelector = left + 1;
905 case 'r': // retainer select
906 RtsFlags.ProfFlags.retainerSelector = left + 1;
909 case 'b': // biography select
910 RtsFlags.ProfFlags.bioSelector = left + 1;
918 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
919 prog_belch("multiple heap profile options");
924 switch (rts_argv[arg][2]) {
928 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
932 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
936 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
940 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
944 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
948 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
954 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
961 #if defined(PROFILING)
962 case 'i': /* heap sample interval */
963 if (rts_argv[arg][2] == '\0') {
968 /* Convert to milliseconds */
969 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
970 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
971 if (cst != 0 && cst < CS_MIN_MILLISECS)
972 cst = CS_MIN_MILLISECS;
974 RtsFlags.ProfFlags.profileInterval = cst;
979 /* =========== CONCURRENT ========================= */
980 case 'C': /* context switch interval */
981 if (rts_argv[arg][2] == '\0')
982 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
986 /* Convert to milliseconds */
987 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
988 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
989 if (cst != 0 && cst < CS_MIN_MILLISECS)
990 cst = CS_MIN_MILLISECS;
992 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
999 if (rts_argv[arg][2] != '\0') {
1000 RtsFlags.ParFlags.nNodes
1001 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1002 if (RtsFlags.ParFlags.nNodes <= 0) {
1003 prog_belch("bad value for -N");
1009 /* =========== PARALLEL =========================== */
1011 PAR_OR_SMP_BUILD_ONLY(
1012 if (rts_argv[arg][2] != '\0') {
1013 RtsFlags.ParFlags.maxLocalSparks
1014 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1015 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1016 prog_belch("bad value for -e");
1024 process_par_option(arg, rts_argc, rts_argv, &error);
1027 /* =========== GRAN =============================== */
1031 process_gran_option(arg, rts_argc, rts_argv, &error);
1034 /* =========== TICKY ============================== */
1036 case 'r': /* Basic profiling stats */
1039 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1040 RtsFlags.TickyFlags.tickyFile
1041 = open_stats_file(arg, *argc, argv,
1042 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1044 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1047 /* =========== EXTENDED OPTIONS =================== */
1049 case 'x': /* Extend the argument space */
1050 switch(rts_argv[arg][2]) {
1052 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1056 case 'c': /* Debugging tool: show current cost centre on an exception */
1057 PROFILING_BUILD_ONLY(
1058 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1061 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1064 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1068 break; /* defensive programming */
1070 /* =========== OH DEAR ============================ */
1072 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1082 for (p = usage_text; *p; p++)
1084 stg_exit(EXIT_FAILURE);
1090 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1091 //@subsection GranSim specific options
1094 enable_GranSimLight(void) {
1096 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1097 RtsFlags.GranFlags.Light=rtsTrue;
1098 RtsFlags.GranFlags.Costs.latency =
1099 RtsFlags.GranFlags.Costs.fetchtime =
1100 RtsFlags.GranFlags.Costs.additional_latency =
1101 RtsFlags.GranFlags.Costs.gunblocktime =
1102 RtsFlags.GranFlags.Costs.lunblocktime =
1103 RtsFlags.GranFlags.Costs.threadcreatetime =
1104 RtsFlags.GranFlags.Costs.threadqueuetime =
1105 RtsFlags.GranFlags.Costs.threadscheduletime =
1106 RtsFlags.GranFlags.Costs.threaddescheduletime =
1107 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1109 RtsFlags.GranFlags.Costs.mpacktime =
1110 RtsFlags.GranFlags.Costs.munpacktime = 0;
1112 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1113 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1114 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1115 /* FetchStrategy is irrelevant in GrAnSim-Light */
1117 /* GrAnSim Light often creates an abundance of parallel threads,
1118 each with its own stack etc. Therefore, it's in general a good
1119 idea to use small stack chunks (use the -o<size> option to
1122 // RtsFlags.ConcFlags.stkChunkSize = 100;
1124 RtsFlags.GranFlags.proc = 1;
1128 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1130 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1133 /* or a ridiculously idealised simulator */
1134 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1135 RtsFlags.GranFlags.Costs.latency =
1136 RtsFlags.GranFlags.Costs.fetchtime =
1137 RtsFlags.GranFlags.Costs.additional_latency =
1138 RtsFlags.GranFlags.Costs.gunblocktime =
1139 RtsFlags.GranFlags.Costs.lunblocktime =
1140 RtsFlags.GranFlags.Costs.threadcreatetime =
1141 RtsFlags.GranFlags.Costs.threadqueuetime =
1142 RtsFlags.GranFlags.Costs.threadscheduletime =
1143 RtsFlags.GranFlags.Costs.threaddescheduletime =
1144 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1146 RtsFlags.GranFlags.Costs.mpacktime =
1147 RtsFlags.GranFlags.Costs.munpacktime = 0;
1149 RtsFlags.GranFlags.Costs.arith_cost =
1150 RtsFlags.GranFlags.Costs.float_cost =
1151 RtsFlags.GranFlags.Costs.load_cost =
1152 RtsFlags.GranFlags.Costs.store_cost =
1153 RtsFlags.GranFlags.Costs.branch_cost = 0;
1155 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1157 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1158 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1159 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1160 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1164 /* or a somewhat idealised simulator */
1165 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1166 RtsFlags.GranFlags.Costs.latency =
1167 RtsFlags.GranFlags.Costs.fetchtime =
1168 RtsFlags.GranFlags.Costs.additional_latency =
1169 RtsFlags.GranFlags.Costs.gunblocktime =
1170 RtsFlags.GranFlags.Costs.lunblocktime =
1171 RtsFlags.GranFlags.Costs.threadcreatetime =
1172 RtsFlags.GranFlags.Costs.threadqueuetime =
1173 RtsFlags.GranFlags.Costs.threadscheduletime =
1174 RtsFlags.GranFlags.Costs.threaddescheduletime =
1175 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1177 RtsFlags.GranFlags.Costs.mpacktime =
1178 RtsFlags.GranFlags.Costs.munpacktime = 0;
1180 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1182 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1183 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1184 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1185 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1186 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1187 # if defined(GRAN_CHECK) && defined(GRAN)
1188 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1193 /* Communication and task creation cost parameters */
1194 switch(rts_argv[arg][2]) {
1196 IgnoreYields = rtsTrue; // HWL HACK
1200 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1204 if (rts_argv[arg][3] != '\0')
1206 RtsFlags.GranFlags.Costs.gunblocktime =
1207 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1208 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1211 RtsFlags.GranFlags.Costs.latency = LATENCY;
1215 if (rts_argv[arg][3] != '\0')
1216 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1218 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1222 if (rts_argv[arg][3] != '\0')
1223 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1225 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1229 if (rts_argv[arg][3] != '\0')
1230 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1232 RtsFlags.GranFlags.Costs.mtidytime = 0;
1236 if (rts_argv[arg][3] != '\0')
1237 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1239 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1243 if (rts_argv[arg][3] != '\0')
1244 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1246 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1250 if (rts_argv[arg][3] != '\0')
1251 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1253 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1257 if (rts_argv[arg][3] != '\0')
1258 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1260 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1263 /* Thread-related metrics */
1265 if (rts_argv[arg][3] != '\0')
1266 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1268 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1272 if (rts_argv[arg][3] != '\0')
1273 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1275 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1279 if (rts_argv[arg][3] != '\0')
1280 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1282 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1284 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1285 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1289 if (rts_argv[arg][3] != '\0')
1290 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1292 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1294 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1295 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1298 /* Instruction Cost Metrics */
1300 if (rts_argv[arg][3] != '\0')
1301 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1303 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1307 if (rts_argv[arg][3] != '\0')
1308 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1310 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1314 if (rts_argv[arg][3] != '\0')
1315 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1317 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1321 if (rts_argv[arg][3] != '\0')
1322 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1324 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1328 if (rts_argv[arg][3] != '\0')
1329 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1331 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1335 if (rts_argv[arg][3] != '\0')
1336 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1338 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1342 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1343 if (rts_argv[arg][3] != '\0')
1344 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1346 RtsFlags.GranFlags.FetchStrategy = 2;
1347 if (RtsFlags.GranFlags.FetchStrategy == 0)
1348 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1351 case 'K': /* sort overhead (per elem in spark list) */
1352 if (rts_argv[arg][3] != '\0')
1353 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1355 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1356 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1357 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1360 case 'O': /* sort overhead (per elem in spark list) */
1361 if (rts_argv[arg][3] != '\0')
1362 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1364 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1365 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1366 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1369 /* General Parameters */
1371 if (rts_argv[arg][3] != '\0')
1373 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1374 if (RtsFlags.GranFlags.proc==0) {
1375 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1376 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1377 RtsFlags.GranFlags.proc < 1)
1379 fprintf(stderr,"setupRtsFlags: no more than %u processors
1386 RtsFlags.GranFlags.proc = MAX_PROC;
1390 RtsFlags.GranFlags.Fishing = rtsTrue;
1391 if (rts_argv[arg][3] != '\0')
1392 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1394 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1398 if (rts_argv[arg][3] != '\0')
1399 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1401 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1405 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1406 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1410 fprintf(stderr,"Bulk fetching enabled.\n");
1411 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1415 fprintf(stderr,"Thread migration enabled.\n");
1416 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1420 fprintf(stderr,"Fair Scheduling enabled.\n");
1421 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1425 fprintf(stderr,"Priority Scheduling enabled.\n");
1426 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1430 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1431 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1435 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1439 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1443 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1447 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1451 /* format is -bP<c> where <c> is one char describing kind of profile */
1452 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1453 switch(rts_argv[arg][3]) {
1454 case '\0': break; // nothing special, just an ordinary profile
1455 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1457 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1459 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1461 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1463 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1465 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1467 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1472 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1476 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1479 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1480 if (rts_argv[arg][3] != '\0') {
1483 arg0 = rts_argv[arg]+3;
1484 if ((tmp = strstr(arg0,","))==NULL) {
1485 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1486 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1489 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1490 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1491 fprintf(stderr,"SparkPriority: %u.\n",
1492 RtsFlags.GranFlags.SparkPriority);
1493 fprintf(stderr,"SparkPriority2:%u.\n",
1494 RtsFlags.GranFlags.SparkPriority2);
1495 if (RtsFlags.GranFlags.SparkPriority2 <
1496 RtsFlags.GranFlags.SparkPriority) {
1497 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1498 RtsFlags.GranFlags.SparkPriority2,
1499 RtsFlags.GranFlags.SparkPriority);
1503 /* plain pri spark is now invoked with -bX
1504 RtsFlags.GranFlags.DoPrioritySparking = 1;
1505 fprintf(stderr,"PrioritySparking.\n");
1511 if (rts_argv[arg][3] != '\0') {
1512 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1514 RtsFlags.GranFlags.ThunksToPack = 1;
1516 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1517 RtsFlags.GranFlags.ThunksToPack);
1521 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1522 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1525 /* The following class of options contains eXperimental */
1526 /* features in connection with exploiting granularity */
1527 /* information. I.e. if -bY is chosen these options */
1528 /* tell the RTS what to do with the supplied info --HWL */
1531 if (rts_argv[arg][3] != '\0') {
1532 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1534 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1536 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1537 RtsFlags.GranFlags.packBufferSize_internal);
1541 switch(rts_argv[arg][3]) {
1544 RtsFlags.GranFlags.DoPrioritySparking = 1;
1545 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1546 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1547 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1548 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1552 RtsFlags.GranFlags.DoPrioritySparking = 1;
1553 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1554 RtsFlags.GranFlags.InversePriorities++;
1558 RtsFlags.GranFlags.DoPrioritySparking = 1;
1559 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1560 RtsFlags.GranFlags.RandomPriorities++;
1564 RtsFlags.GranFlags.DoPrioritySparking = 1;
1565 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1566 RtsFlags.GranFlags.IgnorePriorities++;
1570 bad_option( rts_argv[arg] );
1576 switch(rts_argv[arg][3]) {
1579 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1580 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1584 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1588 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1592 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1596 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1597 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1601 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1605 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1609 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1613 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1617 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1621 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1625 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1629 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1630 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1634 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1638 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1642 bad_option( rts_argv[arg] );
1647 # if defined(GRAN_CHECK) && defined(GRAN)
1649 switch(rts_argv[arg][3]) {
1650 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1651 if (rts_argv[arg][4] != '\0') {
1652 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1653 fprintf(stderr,"Pack buffer size: %d\n",
1654 RtsFlags.GranFlags.packBufferSize);
1656 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1662 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1663 /* hack warning: interpret the flags as a binary number */
1664 nat n = decode(rts_argv[arg]+3);
1665 set_GranSim_debug_options(n);
1668 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1669 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1672 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1673 fprintf(stderr, "Valid GranSim debug options are:\n");
1674 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1675 bad_option( rts_argv[arg] );
1676 } else { // flag found; now set it
1677 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1683 case 'e': /* event trace; also -bD1 */
1684 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1685 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1686 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1689 case 'E': /* event statistics; also -bD2 */
1690 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1691 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1692 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1695 case 'f': /* thunkStealing; also -bD4 */
1696 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1697 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1698 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1701 case 'z': /* blockOnFetch; also -bD8 */
1702 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1703 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1704 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1707 case 't': /* blockOnFetch_sanity; also -bD16 */
1708 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1709 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1710 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1713 case 'S': /* priSpark; also -bD32 */
1714 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1715 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1718 case 's': /* priSched; also -bD64 */
1719 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1720 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1723 case 'F': /* findWork; also -bD128 */
1724 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1725 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1728 case 'g': /* globalBlock; also -bD256 */
1729 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1730 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1733 case 'G': /* pack; also -bD512 */
1734 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1735 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1738 case 'P': /* packBuffer; also -bD1024 */
1739 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1740 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1743 case 'o': /* sortedQ; also -bD2048 */
1744 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1745 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1748 case 'r': /* randomSteal; also -bD4096 */
1749 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1750 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1753 case 'q': /* checkSparkQ; also -bD8192 */
1754 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1755 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1758 case ':': /* checkLight; also -bD16384 */
1759 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1760 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1763 case 'b': /* bq; also -bD32768 */
1764 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1765 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1768 case 'd': /* all options turned on */
1769 fprintf(stderr,"DEBUG: all options turned on.\n");
1770 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1771 /* RtsFlags.GranFlags.Debug |= 0x40; */
1775 /* RtsFlags.GranFlags.Debug = 1; */
1781 # endif /* GRAN_CHECK */
1783 bad_option( rts_argv[arg] );
1789 Interpret n as a binary number masking GranSim debug options and set the
1790 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1793 set_GranSim_debug_options(nat n) {
1796 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1798 fprintf(stderr, gran_debug_opts_strs[i]);
1800 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1801 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1802 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1803 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1804 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1805 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1806 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1807 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1808 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1809 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1810 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1811 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1812 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1813 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1814 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1815 default: barf("set_GranSim_debug_options: only %d debug options expected");
1821 Print one line explanation for each of the GranSim debug options specified
1825 help_GranSim_debug_options(nat n) {
1828 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1830 fprintf(stderr, gran_debug_opts_strs[i]);
1836 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1839 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1840 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1844 /* Communication and task creation cost parameters */
1845 switch(rts_argv[arg][2]) {
1846 case 'e': /* -qe<n> ... allow <n> local sparks */
1847 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1848 RtsFlags.ParFlags.maxLocalSparks
1849 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1851 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1852 belch("setupRtsFlags: bad value for -e\n");
1856 IF_PAR_DEBUG(verbose,
1857 belch("-qe<n>: max %d local sparks",
1858 RtsFlags.ParFlags.maxLocalSparks));
1862 if (rts_argv[arg][3] != '\0') {
1863 RtsFlags.ParFlags.maxThreads
1864 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1866 belch("setupRtsFlags: missing size for -qt\n");
1869 IF_PAR_DEBUG(verbose,
1870 belch("-qt<n>: max %d threads",
1871 RtsFlags.ParFlags.maxThreads));
1875 if (rts_argv[arg][3] != '\0')
1876 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1878 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1880 IF_PAR_DEBUG(verbose,
1881 belch("-qf<n>: max %d fishes sent out at one time",
1882 RtsFlags.ParFlags.maxFishes));
1886 if (rts_argv[arg][3] != '\0') {
1887 RtsFlags.ParFlags.fishDelay
1888 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1890 belch("setupRtsFlags: missing fish delay time for -qF\n");
1893 IF_PAR_DEBUG(verbose,
1894 belch("-qF<n>: fish delay time %d us",
1895 RtsFlags.ParFlags.fishDelay));
1899 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1900 IF_PAR_DEBUG(verbose,
1901 belch("-qO: output disabled"));
1904 case 'g': /* -qg<n> ... globalisation scheme */
1905 if (rts_argv[arg][3] != '\0') {
1906 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1908 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1911 IF_PAR_DEBUG(verbose,
1912 belch("-qg<n>: globalisation scheme set to %d",
1913 RtsFlags.ParFlags.globalising));
1916 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1917 if (rts_argv[arg][3] != '\0') {
1918 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1920 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1923 IF_PAR_DEBUG(verbose,
1924 belch("-qh<n>: thunks per packet set to %d",
1925 RtsFlags.ParFlags.thunksToPack));
1928 case 'P': /* -qP for writing a log file */
1929 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1930 /* same encoding as in GranSim after -bP */
1931 switch(rts_argv[arg][3]) {
1932 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1933 break; // nothing special, just an ordinary profile
1934 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1935 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1937 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1939 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1941 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1943 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1946 # if defined(PAR_TICKY)
1947 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1949 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1950 stg_exit(EXIT_FAILURE);
1953 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1955 IF_PAR_DEBUG(verbose,
1956 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1957 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1960 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1961 if (rts_argv[arg][3] != '\0') {
1962 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1964 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1967 IF_PAR_DEBUG(verbose,
1968 belch("-qQ<n>: pack buffer size set to %d",
1969 RtsFlags.ParFlags.packBufferSize));
1973 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1974 IF_PAR_DEBUG(verbose,
1975 belch("-qR: fair-ish scheduling"));
1980 if (rts_argv[arg][3] != '\0') {
1981 RtsFlags.ParFlags.wait
1982 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1984 RtsFlags.ParFlags.wait = 1000;
1986 IF_PAR_DEBUG(verbose,
1987 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1988 RtsFlags.ParFlags.wait));
1991 case 'D': /* -qD ... all the debugging options */
1992 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1993 /* hack warning: interpret the flags as a binary number */
1994 nat n = decode(rts_argv[arg]+3);
1995 set_par_debug_options(n);
1998 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1999 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2002 if (i==MAX_PAR_DEBUG_OPTION+1) {
2003 fprintf(stderr, "Valid GUM debug options are:\n");
2004 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2005 bad_option( rts_argv[arg] );
2006 } else { // flag found; now set it
2007 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2013 belch("Unknown option -q%c (%d opts in total)",
2014 rts_argv[arg][2], *rts_argc);
2020 Interpret n as a binary number masking Par debug options and set the
2021 correxponding option. See par_debug_opts_strs for explanations of the flags.
2024 set_par_debug_options(nat n) {
2027 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2029 fprintf(stderr, par_debug_opts_strs[i]);
2031 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2032 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2033 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2034 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2035 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2036 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2037 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2038 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2039 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2040 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2041 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2042 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2043 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2044 default: barf("set_par_debug_options: only %d debug options expected",
2045 MAX_PAR_DEBUG_OPTION);
2051 Print one line explanation for each of the GranSim debug options specified
2055 help_par_debug_options(nat n) {
2058 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2060 fprintf(stderr, par_debug_opts_strs[i]);
2067 set_debug_options(nat n) {
2070 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2072 fprintf(stderr, debug_opts_strs[i]);
2074 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
2075 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
2076 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
2077 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
2078 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
2079 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
2080 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
2081 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
2082 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
2083 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
2084 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
2085 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
2086 case 12: RtsFlags.DebugFlags.linker = rtsTrue; break;
2087 default: barf("set_debug_options: only %d debug options expected",
2094 help_debug_options(nat n) {
2097 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2099 fprintf(stderr, debug_opts_strs[i]);
2103 //@node Aux fcts, , GranSim specific options
2104 //@subsection Aux fcts
2106 static FILE * /* return NULL on error */
2109 int argc, char *argv[],
2110 int rts_argc, char *rts_argv[],
2111 const char *FILENAME_FMT)
2115 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2117 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2118 f = fopen(rts_argv[arg]+2,"w");
2120 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2121 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2122 f = fopen(stats_filename,"w");
2125 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2127 /* Write argv and rtsv into start of stats file */
2129 for(count = 0; count < argc; count++)
2130 fprintf(f, "%s ", argv[count]);
2131 fprintf(f, "+RTS ");
2132 for(count = 0; count < rts_argc; count++)
2133 fprintf(f, "%s ", rts_argv[count]);
2141 decode(const char *s)
2152 if (c == 'g' || c == 'G')
2153 m *= 1000*1000*1000; /* UNchecked! */
2154 else if (c == 'm' || c == 'M')
2155 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2156 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2157 m *= 1000; /* a direct-mapped cache. */
2158 else if (c == 'w' || c == 'W')
2165 bad_option(const char *s)
2167 prog_belch("bad RTS option: %s", s);
2168 stg_exit(EXIT_FAILURE);