1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.72 2003/11/12 17:49:09 sof 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 "Timer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
39 extern struct RTS_FLAGS RtsFlags;
42 * Split argument lists
44 int prog_argc = 0; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
47 int rts_argc = 0; /* ditto */
48 char *rts_argv[MAX_RTS_ARGS];
50 //@node Constants, Static function decls, Includes
51 //@subsection Constants
54 * constants, used later
61 static char *gran_debug_opts_strs[] = {
62 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
63 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
64 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
65 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
66 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
67 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
68 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
69 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
70 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
71 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
72 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
73 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
74 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
75 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
76 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
79 /* one character codes for the available debug options */
80 static char gran_debug_opts_flags[] = {
81 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
86 static char *par_debug_opts_strs[] = {
87 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
88 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
89 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
90 "DEBUG (-qDe, -qD8): free; free messages.\n",
91 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
92 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
93 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
94 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
95 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
96 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
97 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
98 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
99 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
100 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
103 /* one character codes for the available debug options */
104 static char par_debug_opts_flags[] = {
105 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
110 //@node Static function decls, Command-line option parsing routines, Constants
111 //@subsection Static function decls
113 /* -----------------------------------------------------------------------------
114 Static function decls
115 -------------------------------------------------------------------------- */
117 static FILE * /* return NULL on error */
120 int argc, char *argv[],
121 int rts_argc, char *rts_argv[],
122 const char *FILENAME_FMT);
124 static I_ decode(const char *s);
125 static void bad_option(const char *s);
128 static void enable_GranSimLight(void);
129 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
130 static void set_GranSim_debug_options(nat n);
131 static void help_GranSim_debug_options(nat n);
133 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
134 static void set_par_debug_options(nat n);
135 static void help_par_debug_options(nat n);
138 //@node Command-line option parsing routines, GranSim specific options, Static function decls
139 //@subsection Command-line option parsing routines
141 /* -----------------------------------------------------------------------------
142 * Command-line option parsing routines.
143 * ---------------------------------------------------------------------------*/
145 void initRtsFlagsDefaults(void)
147 RtsFlags.GcFlags.statsFile = NULL;
148 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
150 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
151 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
153 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
154 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
155 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
156 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
157 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
158 RtsFlags.GcFlags.oldGenFactor = 2;
160 /* A hack currently needed for GUM -- HWL */
161 RtsFlags.GcFlags.generations = 1;
162 RtsFlags.GcFlags.steps = 2;
163 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
165 RtsFlags.GcFlags.generations = 2;
166 RtsFlags.GcFlags.steps = 2;
167 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
169 RtsFlags.GcFlags.compact = rtsFalse;
170 RtsFlags.GcFlags.compactThreshold = 30.0;
171 #ifdef RTS_GTK_FRONTPANEL
172 RtsFlags.GcFlags.frontpanel = rtsFalse;
176 RtsFlags.DebugFlags.scheduler = rtsFalse;
177 RtsFlags.DebugFlags.interpreter = rtsFalse;
178 RtsFlags.DebugFlags.codegen = rtsFalse;
179 RtsFlags.DebugFlags.weak = rtsFalse;
180 RtsFlags.DebugFlags.gccafs = rtsFalse;
181 RtsFlags.DebugFlags.gc = rtsFalse;
182 RtsFlags.DebugFlags.block_alloc = rtsFalse;
183 RtsFlags.DebugFlags.sanity = rtsFalse;
184 RtsFlags.DebugFlags.stable = rtsFalse;
185 RtsFlags.DebugFlags.prof = rtsFalse;
186 RtsFlags.DebugFlags.gran = rtsFalse;
187 RtsFlags.DebugFlags.par = rtsFalse;
188 RtsFlags.DebugFlags.linker = rtsFalse;
191 #if defined(PROFILING) || defined(PAR)
192 RtsFlags.CcFlags.doCostCentres = 0;
193 #endif /* PROFILING or PAR */
196 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
197 RtsFlags.ProfFlags.profileInterval = 100;
198 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
199 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
200 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
201 RtsFlags.ProfFlags.modSelector = NULL;
202 RtsFlags.ProfFlags.descrSelector = NULL;
203 RtsFlags.ProfFlags.typeSelector = NULL;
204 RtsFlags.ProfFlags.ccSelector = NULL;
205 RtsFlags.ProfFlags.ccsSelector = NULL;
206 RtsFlags.ProfFlags.retainerSelector = NULL;
207 RtsFlags.ProfFlags.bioSelector = NULL;
210 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
213 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
216 RtsFlags.ParFlags.nNodes = 1;
220 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
221 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
222 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
223 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
224 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
225 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
226 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
228 RtsFlags.ParFlags.outputDisabled = rtsFalse;
230 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
232 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
234 RtsFlags.ParFlags.packBufferSize = 1024;
235 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
236 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
237 RtsFlags.ParFlags.maxThreads = 1024;
238 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
239 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
242 #if defined(PAR) || defined(SMP)
243 RtsFlags.ParFlags.maxLocalSparks = 4096;
244 #endif /* PAR || SMP */
247 /* ToDo: check defaults for GranSim and GUM */
248 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
249 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
251 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
252 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
253 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
254 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
255 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
256 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
257 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
258 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
260 RtsFlags.GranFlags.packBufferSize = 1024;
261 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
263 RtsFlags.GranFlags.proc = MAX_PROC;
264 RtsFlags.GranFlags.Fishing = rtsFalse;
265 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
266 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
267 RtsFlags.GranFlags.Light = rtsFalse;
269 RtsFlags.GranFlags.Costs.latency = LATENCY;
270 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
271 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
272 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
273 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
274 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
275 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
276 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
278 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
279 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
280 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
281 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
282 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
284 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
285 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
286 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
287 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
288 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
290 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
292 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
293 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
295 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
296 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
297 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
298 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
299 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
300 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
301 RtsFlags.GranFlags.FetchStrategy = 2;
302 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
303 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
304 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
305 RtsFlags.GranFlags.SparkPriority = 0;
306 RtsFlags.GranFlags.SparkPriority2 = 0;
307 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
308 RtsFlags.GranFlags.InversePriorities = rtsFalse;
309 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
310 RtsFlags.GranFlags.ThunksToPack = 0;
311 RtsFlags.GranFlags.RandomSteal = rtsTrue;
315 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
316 RtsFlags.TickyFlags.tickyFile = NULL;
323 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
325 " +RTS Indicates run time system options follow",
326 " -RTS Indicates program arguments follow",
327 " --RTS Indicates that ALL subsequent arguments will be given to the",
328 " program (including any of these RTS flags)",
330 "The following run time system options are available:",
332 " -? Prints this message and exits; the program is not executed",
334 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
335 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
337 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
338 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
339 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
340 " -m<n> Minimum % of heap which must be available (default 3%)",
341 " -G<n> Number of generations (default: 2)",
342 " -T<n> Number of steps in younger generations (default: 2)",
343 " -c<n> Auto-enable compaction of the oldest generation when live data is",
344 " at least <n>% of the maximum heap size set with -M (default: 30%)",
345 " -c Enable compaction for all major collections",
347 " -t<file> One-line GC statistics (default file: <program>.stat)",
348 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
349 " -S<file> Detailed GC statistics",
350 #ifdef RTS_GTK_FRONTPANEL
351 " -f Display front panel (requires X11 & GTK+)",
355 " -Z Don't squeeze out update frames on stack overflow",
356 " -B Sound the bell at the start of each garbage collection",
357 #if defined(PROFILING) || defined(PAR)
359 " -px Time/allocation profile (XML) (output file <program>.prof)",
360 " -p Time/allocation profile (output file <program>.prof)",
361 " -P More detailed Time/Allocation profile",
362 " -Pa Give information about *all* cost centres",
364 # if defined(PROFILING)
366 " -hx Heap residency profile (XML) (output file <program>.prof)",
367 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
368 " break-down: c = cost centre stack (default)",
370 " d = closure description",
371 " y = type description",
373 " b = biography (LAG,DRAG,VOID,USE)",
374 " A subset of closures may be selected thusly:",
375 " -hc<cc>,... specific cost centre(s) (top of stack only)",
376 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
377 " -hm<mod>... all cost centres from the specified modules(s)",
378 " -hd<des>,... closures with specified closure descriptions",
379 " -hy<typ>... closures with specified type descriptions",
380 " -hr<cc>... closures with specified retainers",
381 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
383 " -R<size> Set the maximum retainer set size (default: 8)",
385 " -i<sec> Time between heap samples (seconds, default: 0.1)",
387 " -xt Include threads (TSOs) in a heap profile",
389 " -xc Show current cost centre stack on raising an exception",
391 #endif /* PROFILING or PAR */
392 #if !defined(PROFILING) && defined(DEBUG)
394 " -h<break-down> Debugging Heap residency profile",
395 " (output file <program>.hp)",
396 " break-down: L = closure label (default)",
397 " T = closure type (constructor, thunk etc.)",
400 #if defined(TICKY_TICKY)
401 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
405 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
406 /* NB: the -N<n> is implemented by the driver!! */
408 " -C<secs> Context-switch interval in seconds",
409 " (0 or no argument means switch as often as possible)",
410 " the default is .02 sec; resolution is .02 sec",
413 " -Ds DEBUG: scheduler",
414 " -Di DEBUG: interpreter",
415 " -Dc DEBUG: codegen",
417 " -DG DEBUG: gccafs",
420 " -DS DEBUG: sanity",
421 " -Dt DEBUG: stable",
425 " -Dl DEBUG: linker",
429 " -N<n> Use <n> OS threads (default: 1)",
431 #if defined(SMP) || defined(PAR)
432 " -e<size> Size of spark pools (default 100)",
435 " -t<num> Set maximum number of advisory threads per PE (default 32)",
436 " -qP Enable activity profile (output files in ~/<program>*.gr)",
437 " -qQ<size> Set pack-buffer size (default: 1024)",
438 " -qd Turn on PVM-ish debugging",
439 " -qO Disable output for performance measurement",
441 #if defined(SMP) || defined(PAR)
442 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
445 " -d Turn on PVM-ish debugging",
446 " -O Disable output for performance measurement",
448 #if defined(GRAN) /* ToDo: fill in decent Docu here */
449 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
452 "RTS options may also be specified using the GHCRTS environment variable.",
454 "Other RTS options may be available for programs compiled a different way.",
455 "The GHC User's Guide has full details.",
460 STATIC_INLINE rtsBool
461 strequal(const char *a, const char * b)
463 return(strcmp(a, b) == 0);
467 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
473 while (isspace(*c1)) { c1++; };
475 while (!isspace(*c2) && *c2 != '\0') { c2++; };
477 if (c1 == c2) { break; }
479 if (*rts_argc < MAX_RTS_ARGS-1) {
480 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
481 strncpy(s, c1, c2-c1);
483 rts_argv[(*rts_argc)++] = s;
485 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
489 } while (*c1 != '\0');
493 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
495 rtsBool error = rtsFalse;
500 /* Remove directory from argv[0] -- default files in current directory */
501 if ((last_slash = (char *) strrchr(argv[0],
502 #if !defined(mingw32_TARGET_OS)
508 prog_name = last_slash+1;
519 // process arguments from the ghc_rts_opts global variable first.
520 // (arguments from the GHCRTS environment variable and the command
521 // line override these).
523 if (ghc_rts_opts != NULL) {
524 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
528 // process arguments from the GHCRTS environment variable next
529 // (arguments from the command line override these).
531 char *ghc_rts = getenv("GHCRTS");
533 if (ghc_rts != NULL) {
534 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
538 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
539 // argv[0] must be PGM argument -- leave in argv
541 for (mode = PGM; arg < total_arg; arg++) {
542 // The '--RTS' argument disables all future +RTS ... -RTS processing.
543 if (strequal("--RTS", argv[arg])) {
547 // The '--' argument is passed through to the program, but
548 // disables all further +RTS ... -RTS processing.
549 else if (strequal("--", argv[arg])) {
552 else if (strequal("+RTS", argv[arg])) {
555 else if (strequal("-RTS", argv[arg])) {
558 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
559 rts_argv[(*rts_argc)++] = argv[arg];
561 else if (mode == PGM) {
562 argv[(*argc)++] = argv[arg];
565 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
568 // process remaining program arguments
569 for (; arg < total_arg; arg++) {
570 argv[(*argc)++] = argv[arg];
572 argv[*argc] = (char *) 0;
573 rts_argv[*rts_argc] = (char *) 0;
575 // Process RTS (rts_argv) part: mainly to determine statsfile
576 for (arg = 0; arg < *rts_argc; arg++) {
577 if (rts_argv[arg][0] != '-') {
579 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
583 switch(rts_argv[arg][1]) {
585 /* process: general args, then PROFILING-only ones,
586 then CONCURRENT-only, PARallel-only, GRAN-only,
587 TICKY-only (same order as defined in RtsFlags.lh);
588 within those groups, mostly in case-insensitive
590 Final group is x*, which allows for more options.
594 # define TICKY_BUILD_ONLY(x) x
596 # define TICKY_BUILD_ONLY(x) \
597 prog_belch("GHC not built for: ticky-ticky stats"); \
601 #if defined(PROFILING)
602 # define COST_CENTRE_USING_BUILD_ONLY(x) x
604 # define COST_CENTRE_USING_BUILD_ONLY(x) \
605 prog_belch("GHC not built for: -prof or -parallel"); \
610 # define PROFILING_BUILD_ONLY(x) x
612 # define PROFILING_BUILD_ONLY(x) \
613 prog_belch("GHC not built for: -prof"); \
618 # define SMP_BUILD_ONLY(x) x
620 # define SMP_BUILD_ONLY(x) \
621 prog_belch("GHC not built for: -smp"); \
626 # define PAR_BUILD_ONLY(x) x
628 # define PAR_BUILD_ONLY(x) \
629 prog_belch("GHC not built for: -parallel"); \
633 #if defined(SMP) || defined(PAR)
634 # define PAR_OR_SMP_BUILD_ONLY(x) x
636 # define PAR_OR_SMP_BUILD_ONLY(x) \
637 prog_belch("GHC not built for: -parallel or -smp"); \
642 # define GRAN_BUILD_ONLY(x) x
644 # define GRAN_BUILD_ONLY(x) \
645 prog_belch("GHC not built for: -gransim"); \
649 /* =========== GENERAL ========================== */
655 RtsFlags.GcFlags.minAllocAreaSize
656 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
657 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
658 bad_option(rts_argv[arg]);
663 RtsFlags.GcFlags.ringBell = rtsTrue;
667 if (rts_argv[arg][2] != '\0') {
668 RtsFlags.GcFlags.compactThreshold =
669 atof(rts_argv[arg]+2);
671 RtsFlags.GcFlags.compact = rtsTrue;
676 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
678 if (RtsFlags.GcFlags.oldGenFactor < 0)
679 bad_option( rts_argv[arg] );
687 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
690 RtsFlags.DebugFlags.scheduler = rtsTrue;
693 RtsFlags.DebugFlags.interpreter = rtsTrue;
696 RtsFlags.DebugFlags.codegen = rtsTrue;
699 RtsFlags.DebugFlags.weak = rtsTrue;
702 RtsFlags.DebugFlags.gccafs = rtsTrue;
705 RtsFlags.DebugFlags.gc = rtsTrue;
708 RtsFlags.DebugFlags.block_alloc = rtsTrue;
711 RtsFlags.DebugFlags.sanity = rtsTrue;
714 RtsFlags.DebugFlags.stable = rtsTrue;
717 RtsFlags.DebugFlags.prof = rtsTrue;
720 RtsFlags.DebugFlags.gran = rtsTrue;
723 RtsFlags.DebugFlags.par = rtsTrue;
726 RtsFlags.DebugFlags.linker = rtsTrue;
729 RtsFlags.DebugFlags.apply = rtsTrue;
732 bad_option( rts_argv[arg] );
740 RtsFlags.GcFlags.maxStkSize =
741 decode(rts_argv[arg]+2) / sizeof(W_);
743 if (RtsFlags.GcFlags.maxStkSize == 0)
744 bad_option( rts_argv[arg] );
748 RtsFlags.GcFlags.initialStkSize =
749 decode(rts_argv[arg]+2) / sizeof(W_);
751 if (RtsFlags.GcFlags.initialStkSize == 0)
752 bad_option( rts_argv[arg] );
756 RtsFlags.GcFlags.maxHeapSize =
757 decode(rts_argv[arg]+2) / BLOCK_SIZE;
758 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
760 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
761 bad_option(rts_argv[arg]);
766 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
768 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
769 RtsFlags.GcFlags.pcFreeHeap > 100)
770 bad_option( rts_argv[arg] );
774 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
775 if (RtsFlags.GcFlags.generations < 1) {
776 bad_option(rts_argv[arg]);
781 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
782 if (RtsFlags.GcFlags.steps < 1) {
783 bad_option(rts_argv[arg]);
788 RtsFlags.GcFlags.heapSizeSuggestion =
789 decode(rts_argv[arg]+2) / BLOCK_SIZE;
791 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
792 bad_option(rts_argv[arg]);
796 #ifdef RTS_GTK_FRONTPANEL
798 RtsFlags.GcFlags.frontpanel = rtsTrue;
803 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
807 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
811 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
816 /* Opening all those files would almost certainly fail... */
817 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
818 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
820 RtsFlags.GcFlags.statsFile
821 = open_stats_file(arg, *argc, argv,
822 *rts_argc, rts_argv, STAT_FILENAME_FMT);
824 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
829 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
832 /* =========== PROFILING ========================== */
834 case 'P': /* detailed cost centre profiling (time/alloc) */
835 case 'p': /* cost centre profiling (time/alloc) */
836 COST_CENTRE_USING_BUILD_ONLY(
837 switch (rts_argv[arg][2]) {
839 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
842 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
845 if (rts_argv[arg][1] == 'P') {
846 RtsFlags.CcFlags.doCostCentres =
847 COST_CENTRES_VERBOSE;
849 RtsFlags.CcFlags.doCostCentres =
850 COST_CENTRES_SUMMARY;
857 PROFILING_BUILD_ONLY(
858 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
861 case 'h': /* serial heap profile */
862 #if !defined(PROFILING) && defined(DEBUG)
863 switch (rts_argv[arg][2]) {
866 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
869 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
872 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
876 PROFILING_BUILD_ONLY(
877 switch (rts_argv[arg][2]) {
891 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
893 char *left = strchr(rts_argv[arg], '{');
894 char *right = strrchr(rts_argv[arg], '}');
896 // curly braces are optional, for
901 left = rts_argv[arg] + 3;
904 right = rts_argv[arg] + strlen(rts_argv[arg]);
908 switch (rts_argv[arg][2]) {
909 case 'c': // cost centre label select
910 RtsFlags.ProfFlags.ccSelector = left;
913 RtsFlags.ProfFlags.ccsSelector = left;
916 case 'm': // cost centre module select
917 RtsFlags.ProfFlags.modSelector = left;
920 case 'd': // closure descr select
921 RtsFlags.ProfFlags.descrSelector = left;
924 case 'y': // closure type select
925 RtsFlags.ProfFlags.typeSelector = left;
928 case 'r': // retainer select
929 RtsFlags.ProfFlags.retainerSelector = left;
932 case 'b': // biography select
933 RtsFlags.ProfFlags.bioSelector = left;
940 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
941 prog_belch("multiple heap profile options");
946 switch (rts_argv[arg][2]) {
950 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
954 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
958 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
962 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
966 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
970 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
976 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
983 #if defined(PROFILING)
984 case 'i': /* heap sample interval */
985 if (rts_argv[arg][2] == '\0') {
990 /* Convert to milliseconds */
991 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
992 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
993 if (cst != 0 && cst < CS_MIN_MILLISECS)
994 cst = CS_MIN_MILLISECS;
996 RtsFlags.ProfFlags.profileInterval = cst;
1001 /* =========== CONCURRENT ========================= */
1002 case 'C': /* context switch interval */
1003 if (rts_argv[arg][2] == '\0')
1004 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1008 /* Convert to milliseconds */
1009 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1010 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1011 if (cst != 0 && cst < CS_MIN_MILLISECS)
1012 cst = CS_MIN_MILLISECS;
1014 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1021 if (rts_argv[arg][2] != '\0') {
1022 RtsFlags.ParFlags.nNodes
1023 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1024 if (RtsFlags.ParFlags.nNodes <= 0) {
1025 prog_belch("bad value for -N");
1031 /* =========== PARALLEL =========================== */
1033 PAR_OR_SMP_BUILD_ONLY(
1034 if (rts_argv[arg][2] != '\0') {
1035 RtsFlags.ParFlags.maxLocalSparks
1036 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1037 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1038 prog_belch("bad value for -e");
1046 process_par_option(arg, rts_argc, rts_argv, &error);
1049 /* =========== GRAN =============================== */
1053 process_gran_option(arg, rts_argc, rts_argv, &error);
1056 /* =========== TICKY ============================== */
1058 case 'r': /* Basic profiling stats */
1061 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1062 RtsFlags.TickyFlags.tickyFile
1063 = open_stats_file(arg, *argc, argv,
1064 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1066 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1069 /* =========== EXTENDED OPTIONS =================== */
1071 case 'x': /* Extend the argument space */
1072 switch(rts_argv[arg][2]) {
1074 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1078 case 'c': /* Debugging tool: show current cost centre on an exception */
1079 PROFILING_BUILD_ONLY(
1080 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1084 case 't': /* Include memory used by TSOs in a heap profile */
1085 PROFILING_BUILD_ONLY(
1086 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1090 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1093 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1097 break; /* defensive programming */
1099 /* =========== OH DEAR ============================ */
1101 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1111 for (p = usage_text; *p; p++)
1113 stg_exit(EXIT_FAILURE);
1119 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1120 //@subsection GranSim specific options
1123 enable_GranSimLight(void) {
1125 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1126 RtsFlags.GranFlags.Light=rtsTrue;
1127 RtsFlags.GranFlags.Costs.latency =
1128 RtsFlags.GranFlags.Costs.fetchtime =
1129 RtsFlags.GranFlags.Costs.additional_latency =
1130 RtsFlags.GranFlags.Costs.gunblocktime =
1131 RtsFlags.GranFlags.Costs.lunblocktime =
1132 RtsFlags.GranFlags.Costs.threadcreatetime =
1133 RtsFlags.GranFlags.Costs.threadqueuetime =
1134 RtsFlags.GranFlags.Costs.threadscheduletime =
1135 RtsFlags.GranFlags.Costs.threaddescheduletime =
1136 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1138 RtsFlags.GranFlags.Costs.mpacktime =
1139 RtsFlags.GranFlags.Costs.munpacktime = 0;
1141 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1142 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1143 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1144 /* FetchStrategy is irrelevant in GrAnSim-Light */
1146 /* GrAnSim Light often creates an abundance of parallel threads,
1147 each with its own stack etc. Therefore, it's in general a good
1148 idea to use small stack chunks (use the -o<size> option to
1151 // RtsFlags.ConcFlags.stkChunkSize = 100;
1153 RtsFlags.GranFlags.proc = 1;
1157 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1159 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1162 /* or a ridiculously idealised simulator */
1163 if(strcmp((rts_argv[arg]+2),"oring")==0) {
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.Costs.arith_cost =
1179 RtsFlags.GranFlags.Costs.float_cost =
1180 RtsFlags.GranFlags.Costs.load_cost =
1181 RtsFlags.GranFlags.Costs.store_cost =
1182 RtsFlags.GranFlags.Costs.branch_cost = 0;
1184 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1186 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1187 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1188 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1189 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1193 /* or a somewhat idealised simulator */
1194 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1195 RtsFlags.GranFlags.Costs.latency =
1196 RtsFlags.GranFlags.Costs.fetchtime =
1197 RtsFlags.GranFlags.Costs.additional_latency =
1198 RtsFlags.GranFlags.Costs.gunblocktime =
1199 RtsFlags.GranFlags.Costs.lunblocktime =
1200 RtsFlags.GranFlags.Costs.threadcreatetime =
1201 RtsFlags.GranFlags.Costs.threadqueuetime =
1202 RtsFlags.GranFlags.Costs.threadscheduletime =
1203 RtsFlags.GranFlags.Costs.threaddescheduletime =
1204 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1206 RtsFlags.GranFlags.Costs.mpacktime =
1207 RtsFlags.GranFlags.Costs.munpacktime = 0;
1209 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1211 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1212 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1213 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1214 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1215 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1216 # if defined(GRAN_CHECK) && defined(GRAN)
1217 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1222 /* Communication and task creation cost parameters */
1223 switch(rts_argv[arg][2]) {
1225 IgnoreYields = rtsTrue; // HWL HACK
1229 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1233 if (rts_argv[arg][3] != '\0')
1235 RtsFlags.GranFlags.Costs.gunblocktime =
1236 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1237 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1240 RtsFlags.GranFlags.Costs.latency = LATENCY;
1244 if (rts_argv[arg][3] != '\0')
1245 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1247 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1251 if (rts_argv[arg][3] != '\0')
1252 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1254 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1258 if (rts_argv[arg][3] != '\0')
1259 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1261 RtsFlags.GranFlags.Costs.mtidytime = 0;
1265 if (rts_argv[arg][3] != '\0')
1266 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1268 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1272 if (rts_argv[arg][3] != '\0')
1273 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1275 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1279 if (rts_argv[arg][3] != '\0')
1280 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1282 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1286 if (rts_argv[arg][3] != '\0')
1287 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1289 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1292 /* Thread-related metrics */
1294 if (rts_argv[arg][3] != '\0')
1295 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1297 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1301 if (rts_argv[arg][3] != '\0')
1302 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1304 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1308 if (rts_argv[arg][3] != '\0')
1309 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1311 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1313 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1314 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1318 if (rts_argv[arg][3] != '\0')
1319 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1321 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1323 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1324 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1327 /* Instruction Cost Metrics */
1329 if (rts_argv[arg][3] != '\0')
1330 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1332 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1336 if (rts_argv[arg][3] != '\0')
1337 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1339 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1343 if (rts_argv[arg][3] != '\0')
1344 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1346 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1350 if (rts_argv[arg][3] != '\0')
1351 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1353 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1357 if (rts_argv[arg][3] != '\0')
1358 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1360 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1364 if (rts_argv[arg][3] != '\0')
1365 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1367 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1371 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1372 if (rts_argv[arg][3] != '\0')
1373 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1375 RtsFlags.GranFlags.FetchStrategy = 2;
1376 if (RtsFlags.GranFlags.FetchStrategy == 0)
1377 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1380 case 'K': /* sort overhead (per elem in spark list) */
1381 if (rts_argv[arg][3] != '\0')
1382 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1384 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1385 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1386 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1389 case 'O': /* sort overhead (per elem in spark list) */
1390 if (rts_argv[arg][3] != '\0')
1391 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1393 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1394 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1395 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1398 /* General Parameters */
1400 if (rts_argv[arg][3] != '\0')
1402 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1403 if (RtsFlags.GranFlags.proc==0) {
1404 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1405 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1406 RtsFlags.GranFlags.proc < 1)
1408 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1414 RtsFlags.GranFlags.proc = MAX_PROC;
1418 RtsFlags.GranFlags.Fishing = rtsTrue;
1419 if (rts_argv[arg][3] != '\0')
1420 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1422 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1426 if (rts_argv[arg][3] != '\0')
1427 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1429 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1433 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1434 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1438 fprintf(stderr,"Bulk fetching enabled.\n");
1439 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1443 fprintf(stderr,"Thread migration enabled.\n");
1444 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1448 fprintf(stderr,"Fair Scheduling enabled.\n");
1449 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1453 fprintf(stderr,"Priority Scheduling enabled.\n");
1454 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1458 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1459 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1463 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1467 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1471 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1475 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1479 /* format is -bP<c> where <c> is one char describing kind of profile */
1480 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1481 switch(rts_argv[arg][3]) {
1482 case '\0': break; // nothing special, just an ordinary profile
1483 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1485 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1487 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1489 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1491 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1493 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1495 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1500 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1504 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1507 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1508 if (rts_argv[arg][3] != '\0') {
1511 arg0 = rts_argv[arg]+3;
1512 if ((tmp = strstr(arg0,","))==NULL) {
1513 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1514 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1517 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1518 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1519 fprintf(stderr,"SparkPriority: %u.\n",
1520 RtsFlags.GranFlags.SparkPriority);
1521 fprintf(stderr,"SparkPriority2:%u.\n",
1522 RtsFlags.GranFlags.SparkPriority2);
1523 if (RtsFlags.GranFlags.SparkPriority2 <
1524 RtsFlags.GranFlags.SparkPriority) {
1525 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1526 RtsFlags.GranFlags.SparkPriority2,
1527 RtsFlags.GranFlags.SparkPriority);
1531 /* plain pri spark is now invoked with -bX
1532 RtsFlags.GranFlags.DoPrioritySparking = 1;
1533 fprintf(stderr,"PrioritySparking.\n");
1539 if (rts_argv[arg][3] != '\0') {
1540 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1542 RtsFlags.GranFlags.ThunksToPack = 1;
1544 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1545 RtsFlags.GranFlags.ThunksToPack);
1549 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1550 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1553 /* The following class of options contains eXperimental */
1554 /* features in connection with exploiting granularity */
1555 /* information. I.e. if -bY is chosen these options */
1556 /* tell the RTS what to do with the supplied info --HWL */
1559 if (rts_argv[arg][3] != '\0') {
1560 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1562 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1564 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1565 RtsFlags.GranFlags.packBufferSize_internal);
1569 switch(rts_argv[arg][3]) {
1572 RtsFlags.GranFlags.DoPrioritySparking = 1;
1573 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1574 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1575 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1576 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1580 RtsFlags.GranFlags.DoPrioritySparking = 1;
1581 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1582 RtsFlags.GranFlags.InversePriorities++;
1586 RtsFlags.GranFlags.DoPrioritySparking = 1;
1587 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1588 RtsFlags.GranFlags.RandomPriorities++;
1592 RtsFlags.GranFlags.DoPrioritySparking = 1;
1593 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1594 RtsFlags.GranFlags.IgnorePriorities++;
1598 bad_option( rts_argv[arg] );
1604 switch(rts_argv[arg][3]) {
1607 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1608 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1612 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1616 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1620 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1624 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1625 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1629 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1633 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1637 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1641 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1645 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1649 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1653 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1657 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1658 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1662 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1666 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1670 bad_option( rts_argv[arg] );
1675 # if defined(GRAN_CHECK) && defined(GRAN)
1677 switch(rts_argv[arg][3]) {
1678 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1679 if (rts_argv[arg][4] != '\0') {
1680 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1681 fprintf(stderr,"Pack buffer size: %d\n",
1682 RtsFlags.GranFlags.packBufferSize);
1684 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1690 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1691 /* hack warning: interpret the flags as a binary number */
1692 nat n = decode(rts_argv[arg]+3);
1693 set_GranSim_debug_options(n);
1696 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1697 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1700 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1701 fprintf(stderr, "Valid GranSim debug options are:\n");
1702 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1703 bad_option( rts_argv[arg] );
1704 } else { // flag found; now set it
1705 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1711 case 'e': /* event trace; also -bD1 */
1712 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1713 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1714 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1717 case 'E': /* event statistics; also -bD2 */
1718 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1719 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1720 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1723 case 'f': /* thunkStealing; also -bD4 */
1724 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1725 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1726 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1729 case 'z': /* blockOnFetch; also -bD8 */
1730 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1731 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1732 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1735 case 't': /* blockOnFetch_sanity; also -bD16 */
1736 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1737 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1738 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1741 case 'S': /* priSpark; also -bD32 */
1742 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1743 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1746 case 's': /* priSched; also -bD64 */
1747 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1748 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1751 case 'F': /* findWork; also -bD128 */
1752 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1753 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1756 case 'g': /* globalBlock; also -bD256 */
1757 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1758 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1761 case 'G': /* pack; also -bD512 */
1762 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1763 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1766 case 'P': /* packBuffer; also -bD1024 */
1767 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1768 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1771 case 'o': /* sortedQ; also -bD2048 */
1772 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1773 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1776 case 'r': /* randomSteal; also -bD4096 */
1777 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1778 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1781 case 'q': /* checkSparkQ; also -bD8192 */
1782 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1783 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1786 case ':': /* checkLight; also -bD16384 */
1787 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1788 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1791 case 'b': /* bq; also -bD32768 */
1792 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1793 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1796 case 'd': /* all options turned on */
1797 fprintf(stderr,"DEBUG: all options turned on.\n");
1798 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1799 /* RtsFlags.GranFlags.Debug |= 0x40; */
1803 /* RtsFlags.GranFlags.Debug = 1; */
1809 # endif /* GRAN_CHECK */
1811 bad_option( rts_argv[arg] );
1817 Interpret n as a binary number masking GranSim debug options and set the
1818 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1821 set_GranSim_debug_options(nat n) {
1824 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1826 fprintf(stderr, gran_debug_opts_strs[i]);
1828 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1829 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1830 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1831 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1832 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1833 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1834 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1835 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1836 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1837 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1838 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1839 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1840 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1841 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1842 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1843 default: barf("set_GranSim_debug_options: only %d debug options expected");
1849 Print one line explanation for each of the GranSim debug options specified
1853 help_GranSim_debug_options(nat n) {
1856 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1858 fprintf(stderr, gran_debug_opts_strs[i]);
1864 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1867 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1868 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1872 /* Communication and task creation cost parameters */
1873 switch(rts_argv[arg][2]) {
1874 case 'e': /* -qe<n> ... allow <n> local sparks */
1875 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1876 RtsFlags.ParFlags.maxLocalSparks
1877 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1879 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1880 belch("setupRtsFlags: bad value for -e\n");
1884 IF_PAR_DEBUG(verbose,
1885 belch("-qe<n>: max %d local sparks",
1886 RtsFlags.ParFlags.maxLocalSparks));
1890 if (rts_argv[arg][3] != '\0') {
1891 RtsFlags.ParFlags.maxThreads
1892 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1894 belch("setupRtsFlags: missing size for -qt\n");
1897 IF_PAR_DEBUG(verbose,
1898 belch("-qt<n>: max %d threads",
1899 RtsFlags.ParFlags.maxThreads));
1903 if (rts_argv[arg][3] != '\0')
1904 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1906 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1908 IF_PAR_DEBUG(verbose,
1909 belch("-qf<n>: max %d fishes sent out at one time",
1910 RtsFlags.ParFlags.maxFishes));
1914 if (rts_argv[arg][3] != '\0') {
1915 RtsFlags.ParFlags.fishDelay
1916 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1918 belch("setupRtsFlags: missing fish delay time for -qF\n");
1921 IF_PAR_DEBUG(verbose,
1922 belch("-qF<n>: fish delay time %d us",
1923 RtsFlags.ParFlags.fishDelay));
1927 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1928 IF_PAR_DEBUG(verbose,
1929 belch("-qO: output disabled"));
1932 case 'g': /* -qg<n> ... globalisation scheme */
1933 if (rts_argv[arg][3] != '\0') {
1934 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1936 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1939 IF_PAR_DEBUG(verbose,
1940 belch("-qg<n>: globalisation scheme set to %d",
1941 RtsFlags.ParFlags.globalising));
1944 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1945 if (rts_argv[arg][3] != '\0') {
1946 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1948 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1951 IF_PAR_DEBUG(verbose,
1952 belch("-qh<n>: thunks per packet set to %d",
1953 RtsFlags.ParFlags.thunksToPack));
1956 case 'P': /* -qP for writing a log file */
1957 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1958 /* same encoding as in GranSim after -bP */
1959 switch(rts_argv[arg][3]) {
1960 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1961 break; // nothing special, just an ordinary profile
1962 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1963 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1965 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1967 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1969 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1971 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1974 # if defined(PAR_TICKY)
1975 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1977 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1978 stg_exit(EXIT_FAILURE);
1981 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1983 IF_PAR_DEBUG(verbose,
1984 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1985 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1988 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1989 if (rts_argv[arg][3] != '\0') {
1990 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1992 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1995 IF_PAR_DEBUG(verbose,
1996 belch("-qQ<n>: pack buffer size set to %d",
1997 RtsFlags.ParFlags.packBufferSize));
2001 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2002 IF_PAR_DEBUG(verbose,
2003 belch("-qR: fair-ish scheduling"));
2008 if (rts_argv[arg][3] != '\0') {
2009 RtsFlags.ParFlags.wait
2010 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2012 RtsFlags.ParFlags.wait = 1000;
2014 IF_PAR_DEBUG(verbose,
2015 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2016 RtsFlags.ParFlags.wait));
2019 case 'D': /* -qD ... all the debugging options */
2020 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2021 /* hack warning: interpret the flags as a binary number */
2022 nat n = decode(rts_argv[arg]+3);
2023 set_par_debug_options(n);
2026 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2027 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2030 if (i==MAX_PAR_DEBUG_OPTION+1) {
2031 fprintf(stderr, "Valid GUM debug options are:\n");
2032 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2033 bad_option( rts_argv[arg] );
2034 } else { // flag found; now set it
2035 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2041 belch("Unknown option -q%c (%d opts in total)",
2042 rts_argv[arg][2], *rts_argc);
2048 Interpret n as a binary number masking Par debug options and set the
2049 correxponding option. See par_debug_opts_strs for explanations of the flags.
2052 set_par_debug_options(nat n) {
2055 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2057 fprintf(stderr, par_debug_opts_strs[i]);
2059 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2060 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2061 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2062 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2063 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2064 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2065 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2066 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2067 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2068 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2069 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2070 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2071 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2072 default: barf("set_par_debug_options: only %d debug options expected",
2073 MAX_PAR_DEBUG_OPTION);
2079 Print one line explanation for each of the GranSim debug options specified
2083 help_par_debug_options(nat n) {
2086 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2088 fprintf(stderr, par_debug_opts_strs[i]);
2093 //@node Aux fcts, , GranSim specific options
2094 //@subsection Aux fcts
2096 static FILE * /* return NULL on error */
2099 int argc, char *argv[],
2100 int rts_argc, char *rts_argv[],
2101 const char *FILENAME_FMT)
2105 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2107 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2108 f = fopen(rts_argv[arg]+2,"w");
2110 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2111 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2112 f = fopen(stats_filename,"w");
2115 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2117 /* Write argv and rtsv into start of stats file */
2119 for(count = 0; count < argc; count++)
2120 fprintf(f, "%s ", argv[count]);
2121 fprintf(f, "+RTS ");
2122 for(count = 0; count < rts_argc; count++)
2123 fprintf(f, "%s ", rts_argv[count]);
2131 decode(const char *s)
2142 if (c == 'g' || c == 'G')
2143 m *= 1000*1000*1000; /* UNchecked! */
2144 else if (c == 'm' || c == 'M')
2145 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2146 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2147 m *= 1000; /* a direct-mapped cache. */
2148 else if (c == 'w' || c == 'W')
2155 bad_option(const char *s)
2157 prog_belch("bad RTS option: %s", s);
2158 stg_exit(EXIT_FAILURE);