1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.69 2003/08/22 22:24:13 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], '/')) != NULL) {
502 prog_name = last_slash+1;
513 // process arguments from the ghc_rts_opts global variable first.
514 // (arguments from the GHCRTS environment variable and the command
515 // line override these).
517 if (ghc_rts_opts != NULL) {
518 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
522 // process arguments from the GHCRTS environment variable next
523 // (arguments from the command line override these).
525 char *ghc_rts = getenv("GHCRTS");
527 if (ghc_rts != NULL) {
528 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
532 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
533 // argv[0] must be PGM argument -- leave in argv
535 for (mode = PGM; arg < total_arg; arg++) {
536 // The '--RTS' argument disables all future +RTS ... -RTS processing.
537 if (strequal("--RTS", argv[arg])) {
541 // The '--' argument is passed through to the program, but
542 // disables all further +RTS ... -RTS processing.
543 else if (strequal("--", argv[arg])) {
546 else if (strequal("+RTS", argv[arg])) {
549 else if (strequal("-RTS", argv[arg])) {
552 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
553 rts_argv[(*rts_argc)++] = argv[arg];
555 else if (mode == PGM) {
556 argv[(*argc)++] = argv[arg];
559 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
562 // process remaining program arguments
563 for (; arg < total_arg; arg++) {
564 argv[(*argc)++] = argv[arg];
566 argv[*argc] = (char *) 0;
567 rts_argv[*rts_argc] = (char *) 0;
569 // Process RTS (rts_argv) part: mainly to determine statsfile
570 for (arg = 0; arg < *rts_argc; arg++) {
571 if (rts_argv[arg][0] != '-') {
573 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
577 switch(rts_argv[arg][1]) {
579 /* process: general args, then PROFILING-only ones,
580 then CONCURRENT-only, PARallel-only, GRAN-only,
581 TICKY-only (same order as defined in RtsFlags.lh);
582 within those groups, mostly in case-insensitive
584 Final group is x*, which allows for more options.
588 # define TICKY_BUILD_ONLY(x) x
590 # define TICKY_BUILD_ONLY(x) \
591 prog_belch("GHC not built for: ticky-ticky stats"); \
595 #if defined(PROFILING)
596 # define COST_CENTRE_USING_BUILD_ONLY(x) x
598 # define COST_CENTRE_USING_BUILD_ONLY(x) \
599 prog_belch("GHC not built for: -prof or -parallel"); \
604 # define PROFILING_BUILD_ONLY(x) x
606 # define PROFILING_BUILD_ONLY(x) \
607 prog_belch("GHC not built for: -prof"); \
612 # define SMP_BUILD_ONLY(x) x
614 # define SMP_BUILD_ONLY(x) \
615 prog_belch("GHC not built for: -smp"); \
620 # define PAR_BUILD_ONLY(x) x
622 # define PAR_BUILD_ONLY(x) \
623 prog_belch("GHC not built for: -parallel"); \
627 #if defined(SMP) || defined(PAR)
628 # define PAR_OR_SMP_BUILD_ONLY(x) x
630 # define PAR_OR_SMP_BUILD_ONLY(x) \
631 prog_belch("GHC not built for: -parallel or -smp"); \
636 # define GRAN_BUILD_ONLY(x) x
638 # define GRAN_BUILD_ONLY(x) \
639 prog_belch("GHC not built for: -gransim"); \
643 /* =========== GENERAL ========================== */
649 RtsFlags.GcFlags.minAllocAreaSize
650 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
651 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
652 bad_option(rts_argv[arg]);
657 RtsFlags.GcFlags.ringBell = rtsTrue;
661 if (rts_argv[arg][2] != '\0') {
662 RtsFlags.GcFlags.compactThreshold =
663 atof(rts_argv[arg]+2);
665 RtsFlags.GcFlags.compact = rtsTrue;
670 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
672 if (RtsFlags.GcFlags.oldGenFactor < 0)
673 bad_option( rts_argv[arg] );
681 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
684 RtsFlags.DebugFlags.scheduler = rtsTrue;
687 RtsFlags.DebugFlags.interpreter = rtsTrue;
690 RtsFlags.DebugFlags.codegen = rtsTrue;
693 RtsFlags.DebugFlags.weak = rtsTrue;
696 RtsFlags.DebugFlags.gccafs = rtsTrue;
699 RtsFlags.DebugFlags.gc = rtsTrue;
702 RtsFlags.DebugFlags.block_alloc = rtsTrue;
705 RtsFlags.DebugFlags.sanity = rtsTrue;
708 RtsFlags.DebugFlags.stable = rtsTrue;
711 RtsFlags.DebugFlags.prof = rtsTrue;
714 RtsFlags.DebugFlags.gran = rtsTrue;
717 RtsFlags.DebugFlags.par = rtsTrue;
720 RtsFlags.DebugFlags.linker = rtsTrue;
723 RtsFlags.DebugFlags.apply = rtsTrue;
726 bad_option( rts_argv[arg] );
734 RtsFlags.GcFlags.maxStkSize =
735 decode(rts_argv[arg]+2) / sizeof(W_);
737 if (RtsFlags.GcFlags.maxStkSize == 0)
738 bad_option( rts_argv[arg] );
742 RtsFlags.GcFlags.initialStkSize =
743 decode(rts_argv[arg]+2) / sizeof(W_);
745 if (RtsFlags.GcFlags.initialStkSize == 0)
746 bad_option( rts_argv[arg] );
750 RtsFlags.GcFlags.maxHeapSize =
751 decode(rts_argv[arg]+2) / BLOCK_SIZE;
752 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
754 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
755 bad_option(rts_argv[arg]);
760 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
762 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
763 RtsFlags.GcFlags.pcFreeHeap > 100)
764 bad_option( rts_argv[arg] );
768 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
769 if (RtsFlags.GcFlags.generations < 1) {
770 bad_option(rts_argv[arg]);
775 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
776 if (RtsFlags.GcFlags.steps < 1) {
777 bad_option(rts_argv[arg]);
782 RtsFlags.GcFlags.heapSizeSuggestion =
783 decode(rts_argv[arg]+2) / BLOCK_SIZE;
785 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
786 bad_option(rts_argv[arg]);
790 #ifdef RTS_GTK_FRONTPANEL
792 RtsFlags.GcFlags.frontpanel = rtsTrue;
797 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
801 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
805 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
810 /* Opening all those files would almost certainly fail... */
811 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
812 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
814 RtsFlags.GcFlags.statsFile
815 = open_stats_file(arg, *argc, argv,
816 *rts_argc, rts_argv, STAT_FILENAME_FMT);
818 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
823 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
826 /* =========== PROFILING ========================== */
828 case 'P': /* detailed cost centre profiling (time/alloc) */
829 case 'p': /* cost centre profiling (time/alloc) */
830 COST_CENTRE_USING_BUILD_ONLY(
831 switch (rts_argv[arg][2]) {
833 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
836 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
839 if (rts_argv[arg][1] == 'P') {
840 RtsFlags.CcFlags.doCostCentres =
841 COST_CENTRES_VERBOSE;
843 RtsFlags.CcFlags.doCostCentres =
844 COST_CENTRES_SUMMARY;
851 PROFILING_BUILD_ONLY(
852 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
855 case 'h': /* serial heap profile */
856 #if !defined(PROFILING) && defined(DEBUG)
857 switch (rts_argv[arg][2]) {
860 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
863 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
866 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
870 PROFILING_BUILD_ONLY(
871 switch (rts_argv[arg][2]) {
885 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
887 char *left = strchr(rts_argv[arg], '{');
888 char *right = strrchr(rts_argv[arg], '}');
890 // curly braces are optional, for
895 left = rts_argv[arg] + 3;
898 right = rts_argv[arg] + strlen(rts_argv[arg]);
902 switch (rts_argv[arg][2]) {
903 case 'c': // cost centre label select
904 RtsFlags.ProfFlags.ccSelector = left;
907 RtsFlags.ProfFlags.ccsSelector = left;
910 case 'm': // cost centre module select
911 RtsFlags.ProfFlags.modSelector = left;
914 case 'd': // closure descr select
915 RtsFlags.ProfFlags.descrSelector = left;
918 case 'y': // closure type select
919 RtsFlags.ProfFlags.typeSelector = left;
922 case 'r': // retainer select
923 RtsFlags.ProfFlags.retainerSelector = left;
926 case 'b': // biography select
927 RtsFlags.ProfFlags.bioSelector = left;
934 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
935 prog_belch("multiple heap profile options");
940 switch (rts_argv[arg][2]) {
944 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
948 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
952 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
956 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
960 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
964 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
970 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
977 #if defined(PROFILING)
978 case 'i': /* heap sample interval */
979 if (rts_argv[arg][2] == '\0') {
984 /* Convert to milliseconds */
985 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
986 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
987 if (cst != 0 && cst < CS_MIN_MILLISECS)
988 cst = CS_MIN_MILLISECS;
990 RtsFlags.ProfFlags.profileInterval = cst;
995 /* =========== CONCURRENT ========================= */
996 case 'C': /* context switch interval */
997 if (rts_argv[arg][2] == '\0')
998 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1002 /* Convert to milliseconds */
1003 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1004 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1005 if (cst != 0 && cst < CS_MIN_MILLISECS)
1006 cst = CS_MIN_MILLISECS;
1008 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1015 if (rts_argv[arg][2] != '\0') {
1016 RtsFlags.ParFlags.nNodes
1017 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1018 if (RtsFlags.ParFlags.nNodes <= 0) {
1019 prog_belch("bad value for -N");
1025 /* =========== PARALLEL =========================== */
1027 PAR_OR_SMP_BUILD_ONLY(
1028 if (rts_argv[arg][2] != '\0') {
1029 RtsFlags.ParFlags.maxLocalSparks
1030 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1031 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1032 prog_belch("bad value for -e");
1040 process_par_option(arg, rts_argc, rts_argv, &error);
1043 /* =========== GRAN =============================== */
1047 process_gran_option(arg, rts_argc, rts_argv, &error);
1050 /* =========== TICKY ============================== */
1052 case 'r': /* Basic profiling stats */
1055 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1056 RtsFlags.TickyFlags.tickyFile
1057 = open_stats_file(arg, *argc, argv,
1058 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1060 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1063 /* =========== EXTENDED OPTIONS =================== */
1065 case 'x': /* Extend the argument space */
1066 switch(rts_argv[arg][2]) {
1068 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1072 case 'c': /* Debugging tool: show current cost centre on an exception */
1073 PROFILING_BUILD_ONLY(
1074 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1078 case 't': /* Include memory used by TSOs in a heap profile */
1079 PROFILING_BUILD_ONLY(
1080 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1084 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1087 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1091 break; /* defensive programming */
1093 /* =========== OH DEAR ============================ */
1095 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1105 for (p = usage_text; *p; p++)
1107 stg_exit(EXIT_FAILURE);
1113 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1114 //@subsection GranSim specific options
1117 enable_GranSimLight(void) {
1119 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1120 RtsFlags.GranFlags.Light=rtsTrue;
1121 RtsFlags.GranFlags.Costs.latency =
1122 RtsFlags.GranFlags.Costs.fetchtime =
1123 RtsFlags.GranFlags.Costs.additional_latency =
1124 RtsFlags.GranFlags.Costs.gunblocktime =
1125 RtsFlags.GranFlags.Costs.lunblocktime =
1126 RtsFlags.GranFlags.Costs.threadcreatetime =
1127 RtsFlags.GranFlags.Costs.threadqueuetime =
1128 RtsFlags.GranFlags.Costs.threadscheduletime =
1129 RtsFlags.GranFlags.Costs.threaddescheduletime =
1130 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1132 RtsFlags.GranFlags.Costs.mpacktime =
1133 RtsFlags.GranFlags.Costs.munpacktime = 0;
1135 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1136 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1137 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1138 /* FetchStrategy is irrelevant in GrAnSim-Light */
1140 /* GrAnSim Light often creates an abundance of parallel threads,
1141 each with its own stack etc. Therefore, it's in general a good
1142 idea to use small stack chunks (use the -o<size> option to
1145 // RtsFlags.ConcFlags.stkChunkSize = 100;
1147 RtsFlags.GranFlags.proc = 1;
1151 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1153 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1156 /* or a ridiculously idealised simulator */
1157 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1158 RtsFlags.GranFlags.Costs.latency =
1159 RtsFlags.GranFlags.Costs.fetchtime =
1160 RtsFlags.GranFlags.Costs.additional_latency =
1161 RtsFlags.GranFlags.Costs.gunblocktime =
1162 RtsFlags.GranFlags.Costs.lunblocktime =
1163 RtsFlags.GranFlags.Costs.threadcreatetime =
1164 RtsFlags.GranFlags.Costs.threadqueuetime =
1165 RtsFlags.GranFlags.Costs.threadscheduletime =
1166 RtsFlags.GranFlags.Costs.threaddescheduletime =
1167 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1169 RtsFlags.GranFlags.Costs.mpacktime =
1170 RtsFlags.GranFlags.Costs.munpacktime = 0;
1172 RtsFlags.GranFlags.Costs.arith_cost =
1173 RtsFlags.GranFlags.Costs.float_cost =
1174 RtsFlags.GranFlags.Costs.load_cost =
1175 RtsFlags.GranFlags.Costs.store_cost =
1176 RtsFlags.GranFlags.Costs.branch_cost = 0;
1178 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1180 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1181 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1182 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1183 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1187 /* or a somewhat idealised simulator */
1188 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1189 RtsFlags.GranFlags.Costs.latency =
1190 RtsFlags.GranFlags.Costs.fetchtime =
1191 RtsFlags.GranFlags.Costs.additional_latency =
1192 RtsFlags.GranFlags.Costs.gunblocktime =
1193 RtsFlags.GranFlags.Costs.lunblocktime =
1194 RtsFlags.GranFlags.Costs.threadcreatetime =
1195 RtsFlags.GranFlags.Costs.threadqueuetime =
1196 RtsFlags.GranFlags.Costs.threadscheduletime =
1197 RtsFlags.GranFlags.Costs.threaddescheduletime =
1198 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1200 RtsFlags.GranFlags.Costs.mpacktime =
1201 RtsFlags.GranFlags.Costs.munpacktime = 0;
1203 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1205 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1206 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1207 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1208 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1209 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1210 # if defined(GRAN_CHECK) && defined(GRAN)
1211 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1216 /* Communication and task creation cost parameters */
1217 switch(rts_argv[arg][2]) {
1219 IgnoreYields = rtsTrue; // HWL HACK
1223 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1227 if (rts_argv[arg][3] != '\0')
1229 RtsFlags.GranFlags.Costs.gunblocktime =
1230 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1231 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1234 RtsFlags.GranFlags.Costs.latency = LATENCY;
1238 if (rts_argv[arg][3] != '\0')
1239 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1241 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1245 if (rts_argv[arg][3] != '\0')
1246 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1248 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1252 if (rts_argv[arg][3] != '\0')
1253 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1255 RtsFlags.GranFlags.Costs.mtidytime = 0;
1259 if (rts_argv[arg][3] != '\0')
1260 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1262 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1266 if (rts_argv[arg][3] != '\0')
1267 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1269 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1273 if (rts_argv[arg][3] != '\0')
1274 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1276 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1280 if (rts_argv[arg][3] != '\0')
1281 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1283 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1286 /* Thread-related metrics */
1288 if (rts_argv[arg][3] != '\0')
1289 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1291 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1295 if (rts_argv[arg][3] != '\0')
1296 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1298 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1302 if (rts_argv[arg][3] != '\0')
1303 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1305 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1307 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1308 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1312 if (rts_argv[arg][3] != '\0')
1313 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1315 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1317 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1318 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1321 /* Instruction Cost Metrics */
1323 if (rts_argv[arg][3] != '\0')
1324 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1326 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1330 if (rts_argv[arg][3] != '\0')
1331 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1333 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1337 if (rts_argv[arg][3] != '\0')
1338 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1340 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1344 if (rts_argv[arg][3] != '\0')
1345 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1347 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1351 if (rts_argv[arg][3] != '\0')
1352 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1354 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1358 if (rts_argv[arg][3] != '\0')
1359 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1361 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1365 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1366 if (rts_argv[arg][3] != '\0')
1367 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1369 RtsFlags.GranFlags.FetchStrategy = 2;
1370 if (RtsFlags.GranFlags.FetchStrategy == 0)
1371 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1374 case 'K': /* sort overhead (per elem in spark list) */
1375 if (rts_argv[arg][3] != '\0')
1376 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1378 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1379 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1380 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1383 case 'O': /* sort overhead (per elem in spark list) */
1384 if (rts_argv[arg][3] != '\0')
1385 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1387 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1388 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1389 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1392 /* General Parameters */
1394 if (rts_argv[arg][3] != '\0')
1396 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1397 if (RtsFlags.GranFlags.proc==0) {
1398 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1399 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1400 RtsFlags.GranFlags.proc < 1)
1402 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1408 RtsFlags.GranFlags.proc = MAX_PROC;
1412 RtsFlags.GranFlags.Fishing = rtsTrue;
1413 if (rts_argv[arg][3] != '\0')
1414 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1416 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1420 if (rts_argv[arg][3] != '\0')
1421 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1423 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1427 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1428 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1432 fprintf(stderr,"Bulk fetching enabled.\n");
1433 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1437 fprintf(stderr,"Thread migration enabled.\n");
1438 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1442 fprintf(stderr,"Fair Scheduling enabled.\n");
1443 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1447 fprintf(stderr,"Priority Scheduling enabled.\n");
1448 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1452 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1453 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1457 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1461 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1465 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1469 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1473 /* format is -bP<c> where <c> is one char describing kind of profile */
1474 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1475 switch(rts_argv[arg][3]) {
1476 case '\0': break; // nothing special, just an ordinary profile
1477 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1479 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1481 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1483 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1485 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1487 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1489 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1494 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1498 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1501 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1502 if (rts_argv[arg][3] != '\0') {
1505 arg0 = rts_argv[arg]+3;
1506 if ((tmp = strstr(arg0,","))==NULL) {
1507 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1508 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1511 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1512 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1513 fprintf(stderr,"SparkPriority: %u.\n",
1514 RtsFlags.GranFlags.SparkPriority);
1515 fprintf(stderr,"SparkPriority2:%u.\n",
1516 RtsFlags.GranFlags.SparkPriority2);
1517 if (RtsFlags.GranFlags.SparkPriority2 <
1518 RtsFlags.GranFlags.SparkPriority) {
1519 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1520 RtsFlags.GranFlags.SparkPriority2,
1521 RtsFlags.GranFlags.SparkPriority);
1525 /* plain pri spark is now invoked with -bX
1526 RtsFlags.GranFlags.DoPrioritySparking = 1;
1527 fprintf(stderr,"PrioritySparking.\n");
1533 if (rts_argv[arg][3] != '\0') {
1534 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1536 RtsFlags.GranFlags.ThunksToPack = 1;
1538 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1539 RtsFlags.GranFlags.ThunksToPack);
1543 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1544 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1547 /* The following class of options contains eXperimental */
1548 /* features in connection with exploiting granularity */
1549 /* information. I.e. if -bY is chosen these options */
1550 /* tell the RTS what to do with the supplied info --HWL */
1553 if (rts_argv[arg][3] != '\0') {
1554 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1556 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1558 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1559 RtsFlags.GranFlags.packBufferSize_internal);
1563 switch(rts_argv[arg][3]) {
1566 RtsFlags.GranFlags.DoPrioritySparking = 1;
1567 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1568 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1569 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1570 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1574 RtsFlags.GranFlags.DoPrioritySparking = 1;
1575 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1576 RtsFlags.GranFlags.InversePriorities++;
1580 RtsFlags.GranFlags.DoPrioritySparking = 1;
1581 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1582 RtsFlags.GranFlags.RandomPriorities++;
1586 RtsFlags.GranFlags.DoPrioritySparking = 1;
1587 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1588 RtsFlags.GranFlags.IgnorePriorities++;
1592 bad_option( rts_argv[arg] );
1598 switch(rts_argv[arg][3]) {
1601 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1602 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1606 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1610 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1614 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1618 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1619 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1623 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1627 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1631 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1635 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1639 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1643 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1647 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1651 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1652 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1656 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1660 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1664 bad_option( rts_argv[arg] );
1669 # if defined(GRAN_CHECK) && defined(GRAN)
1671 switch(rts_argv[arg][3]) {
1672 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1673 if (rts_argv[arg][4] != '\0') {
1674 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1675 fprintf(stderr,"Pack buffer size: %d\n",
1676 RtsFlags.GranFlags.packBufferSize);
1678 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1684 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1685 /* hack warning: interpret the flags as a binary number */
1686 nat n = decode(rts_argv[arg]+3);
1687 set_GranSim_debug_options(n);
1690 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1691 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1694 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1695 fprintf(stderr, "Valid GranSim debug options are:\n");
1696 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1697 bad_option( rts_argv[arg] );
1698 } else { // flag found; now set it
1699 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1705 case 'e': /* event trace; also -bD1 */
1706 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1707 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1708 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1711 case 'E': /* event statistics; also -bD2 */
1712 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1713 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1714 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1717 case 'f': /* thunkStealing; also -bD4 */
1718 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1719 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1720 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1723 case 'z': /* blockOnFetch; also -bD8 */
1724 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1725 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1726 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1729 case 't': /* blockOnFetch_sanity; also -bD16 */
1730 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1731 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1732 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1735 case 'S': /* priSpark; also -bD32 */
1736 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1737 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1740 case 's': /* priSched; also -bD64 */
1741 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1742 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1745 case 'F': /* findWork; also -bD128 */
1746 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1747 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1750 case 'g': /* globalBlock; also -bD256 */
1751 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1752 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1755 case 'G': /* pack; also -bD512 */
1756 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1757 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1760 case 'P': /* packBuffer; also -bD1024 */
1761 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1762 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1765 case 'o': /* sortedQ; also -bD2048 */
1766 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1767 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1770 case 'r': /* randomSteal; also -bD4096 */
1771 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1772 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1775 case 'q': /* checkSparkQ; also -bD8192 */
1776 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1777 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1780 case ':': /* checkLight; also -bD16384 */
1781 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1782 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1785 case 'b': /* bq; also -bD32768 */
1786 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1787 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1790 case 'd': /* all options turned on */
1791 fprintf(stderr,"DEBUG: all options turned on.\n");
1792 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1793 /* RtsFlags.GranFlags.Debug |= 0x40; */
1797 /* RtsFlags.GranFlags.Debug = 1; */
1803 # endif /* GRAN_CHECK */
1805 bad_option( rts_argv[arg] );
1811 Interpret n as a binary number masking GranSim debug options and set the
1812 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1815 set_GranSim_debug_options(nat n) {
1818 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1820 fprintf(stderr, gran_debug_opts_strs[i]);
1822 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1823 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1824 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1825 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1826 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1827 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1828 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1829 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1830 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1831 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1832 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1833 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1834 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1835 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1836 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1837 default: barf("set_GranSim_debug_options: only %d debug options expected");
1843 Print one line explanation for each of the GranSim debug options specified
1847 help_GranSim_debug_options(nat n) {
1850 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1852 fprintf(stderr, gran_debug_opts_strs[i]);
1858 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1861 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1862 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1866 /* Communication and task creation cost parameters */
1867 switch(rts_argv[arg][2]) {
1868 case 'e': /* -qe<n> ... allow <n> local sparks */
1869 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1870 RtsFlags.ParFlags.maxLocalSparks
1871 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1873 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1874 belch("setupRtsFlags: bad value for -e\n");
1878 IF_PAR_DEBUG(verbose,
1879 belch("-qe<n>: max %d local sparks",
1880 RtsFlags.ParFlags.maxLocalSparks));
1884 if (rts_argv[arg][3] != '\0') {
1885 RtsFlags.ParFlags.maxThreads
1886 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1888 belch("setupRtsFlags: missing size for -qt\n");
1891 IF_PAR_DEBUG(verbose,
1892 belch("-qt<n>: max %d threads",
1893 RtsFlags.ParFlags.maxThreads));
1897 if (rts_argv[arg][3] != '\0')
1898 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1900 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1902 IF_PAR_DEBUG(verbose,
1903 belch("-qf<n>: max %d fishes sent out at one time",
1904 RtsFlags.ParFlags.maxFishes));
1908 if (rts_argv[arg][3] != '\0') {
1909 RtsFlags.ParFlags.fishDelay
1910 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1912 belch("setupRtsFlags: missing fish delay time for -qF\n");
1915 IF_PAR_DEBUG(verbose,
1916 belch("-qF<n>: fish delay time %d us",
1917 RtsFlags.ParFlags.fishDelay));
1921 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1922 IF_PAR_DEBUG(verbose,
1923 belch("-qO: output disabled"));
1926 case 'g': /* -qg<n> ... globalisation scheme */
1927 if (rts_argv[arg][3] != '\0') {
1928 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1930 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1933 IF_PAR_DEBUG(verbose,
1934 belch("-qg<n>: globalisation scheme set to %d",
1935 RtsFlags.ParFlags.globalising));
1938 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1939 if (rts_argv[arg][3] != '\0') {
1940 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1942 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1945 IF_PAR_DEBUG(verbose,
1946 belch("-qh<n>: thunks per packet set to %d",
1947 RtsFlags.ParFlags.thunksToPack));
1950 case 'P': /* -qP for writing a log file */
1951 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1952 /* same encoding as in GranSim after -bP */
1953 switch(rts_argv[arg][3]) {
1954 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1955 break; // nothing special, just an ordinary profile
1956 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1957 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1959 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1961 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1963 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1965 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1968 # if defined(PAR_TICKY)
1969 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1971 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1972 stg_exit(EXIT_FAILURE);
1975 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1977 IF_PAR_DEBUG(verbose,
1978 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1979 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1982 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1983 if (rts_argv[arg][3] != '\0') {
1984 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1986 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1989 IF_PAR_DEBUG(verbose,
1990 belch("-qQ<n>: pack buffer size set to %d",
1991 RtsFlags.ParFlags.packBufferSize));
1995 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1996 IF_PAR_DEBUG(verbose,
1997 belch("-qR: fair-ish scheduling"));
2002 if (rts_argv[arg][3] != '\0') {
2003 RtsFlags.ParFlags.wait
2004 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2006 RtsFlags.ParFlags.wait = 1000;
2008 IF_PAR_DEBUG(verbose,
2009 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2010 RtsFlags.ParFlags.wait));
2013 case 'D': /* -qD ... all the debugging options */
2014 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2015 /* hack warning: interpret the flags as a binary number */
2016 nat n = decode(rts_argv[arg]+3);
2017 set_par_debug_options(n);
2020 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2021 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2024 if (i==MAX_PAR_DEBUG_OPTION+1) {
2025 fprintf(stderr, "Valid GUM debug options are:\n");
2026 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2027 bad_option( rts_argv[arg] );
2028 } else { // flag found; now set it
2029 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2035 belch("Unknown option -q%c (%d opts in total)",
2036 rts_argv[arg][2], *rts_argc);
2042 Interpret n as a binary number masking Par debug options and set the
2043 correxponding option. See par_debug_opts_strs for explanations of the flags.
2046 set_par_debug_options(nat n) {
2049 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2051 fprintf(stderr, par_debug_opts_strs[i]);
2053 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2054 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2055 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2056 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2057 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2058 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2059 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2060 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2061 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2062 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2063 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2064 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2065 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2066 default: barf("set_par_debug_options: only %d debug options expected",
2067 MAX_PAR_DEBUG_OPTION);
2073 Print one line explanation for each of the GranSim debug options specified
2077 help_par_debug_options(nat n) {
2080 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2082 fprintf(stderr, par_debug_opts_strs[i]);
2087 //@node Aux fcts, , GranSim specific options
2088 //@subsection Aux fcts
2090 static FILE * /* return NULL on error */
2093 int argc, char *argv[],
2094 int rts_argc, char *rts_argv[],
2095 const char *FILENAME_FMT)
2099 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2101 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2102 f = fopen(rts_argv[arg]+2,"w");
2104 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2105 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2106 f = fopen(stats_filename,"w");
2109 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2111 /* Write argv and rtsv into start of stats file */
2113 for(count = 0; count < argc; count++)
2114 fprintf(f, "%s ", argv[count]);
2115 fprintf(f, "+RTS ");
2116 for(count = 0; count < rts_argc; count++)
2117 fprintf(f, "%s ", rts_argv[count]);
2125 decode(const char *s)
2136 if (c == 'g' || c == 'G')
2137 m *= 1000*1000*1000; /* UNchecked! */
2138 else if (c == 'm' || c == 'M')
2139 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2140 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2141 m *= 1000; /* a direct-mapped cache. */
2142 else if (c == 'w' || c == 'W')
2149 bad_option(const char *s)
2151 prog_belch("bad RTS option: %s", s);
2152 stg_exit(EXIT_FAILURE);