1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.56 2001/12/12 14:31:43 simonmar Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
24 #include "PosixSource.h"
28 #include "BlockAlloc.h"
29 #include "Itimer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
32 #if defined(PROFILING)
40 extern struct RTS_FLAGS RtsFlags;
43 * Split argument lists
45 int prog_argc; /* an "int" so as to match normal "argc" */
46 char **prog_argv = NULL;
47 int rts_argc; /* ditto */
48 char *rts_argv[MAX_RTS_ARGS];
50 //@node Constants, Static function decls, Includes
51 //@subsection Constants
54 * constants, used later
59 char *debug_opts_strs[] = {
60 "DEBUG (-D1): scheduler\n",
61 "DEBUG (-D2): evaluator\n",
62 "DEBUG (-D4): codegen\n",
63 "DEBUG (-D8): weak\n",
64 "DEBUG (-D16): gccafs\n",
66 "DEBUG (-D64): block\n",
67 "DEBUG (-D128): sanity\n",
68 "DEBUG (-D256): stable\n",
69 "DEBUG (-D512): prof\n",
70 "DEBUG (-D1024): gran\n",
71 "DEBUG (-D2048): par\n",
72 "DEBUG (-D4096): linker\n"
75 char *debug_opts_prefix[] = {
93 char *gran_debug_opts_strs[] = {
94 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
95 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
96 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
97 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
98 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
99 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
100 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
101 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
102 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
103 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
104 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
105 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
106 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
107 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
108 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
111 /* one character codes for the available debug options */
112 char gran_debug_opts_flags[] = {
113 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
116 /* prefix strings printed with the debug messages of the corresponding type */
117 char *gran_debug_opts_prefix[] = {
118 "", /* event_trace */
119 "", /* event_stats */
122 "^^", /* checkSparkQ */
123 "==", /* thunkStealing */
124 "^^", /* randomSteal */
128 "::", /* checkLight */
130 "", /* blockOnFetch */
132 "" /* blockOnFetch_sanity */
137 char *par_debug_opts_strs[] = {
138 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
139 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
140 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
141 "DEBUG (-qDe, -qD8): free; free messages.\n",
142 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
143 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
144 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
145 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
146 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
147 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
148 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
149 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
150 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
151 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
154 /* one character codes for the available debug options */
155 char par_debug_opts_flags[] = {
156 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
159 /* prefix strings printed with the debug messages of the corresponding type */
160 char *par_debug_opts_prefix[] = {
178 //@node Static function decls, Command-line option parsing routines, Constants
179 //@subsection Static function decls
181 /* -----------------------------------------------------------------------------
182 Static function decls
183 -------------------------------------------------------------------------- */
185 static FILE * /* return NULL on error */
188 int argc, char *argv[],
189 int rts_argc, char *rts_argv[],
190 const char *FILENAME_FMT);
192 static I_ decode(const char *s);
193 static void bad_option(const char *s);
196 static void enable_GranSimLight(void);
197 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
198 static void set_GranSim_debug_options(nat n);
199 static void help_GranSim_debug_options(nat n);
201 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
202 static void set_par_debug_options(nat n);
203 static void help_par_debug_options(nat n);
206 static void set_debug_options(nat n);
207 static void help_debug_options(nat n);
210 //@node Command-line option parsing routines, GranSim specific options, Static function decls
211 //@subsection Command-line option parsing routines
213 /* -----------------------------------------------------------------------------
214 * Command-line option parsing routines.
215 * ---------------------------------------------------------------------------*/
217 void initRtsFlagsDefaults(void)
219 RtsFlags.GcFlags.statsFile = NULL;
220 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
222 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
223 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
225 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
226 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
227 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
228 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
229 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
230 RtsFlags.GcFlags.oldGenFactor = 2;
232 /* A hack currently needed for GUM -- HWL */
233 RtsFlags.GcFlags.generations = 1;
234 RtsFlags.GcFlags.steps = 2;
235 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
237 RtsFlags.GcFlags.generations = 2;
238 RtsFlags.GcFlags.steps = 2;
239 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
241 RtsFlags.GcFlags.compact = rtsFalse;
242 RtsFlags.GcFlags.compactThreshold = 30.0;
243 #ifdef RTS_GTK_FRONTPANEL
244 RtsFlags.GcFlags.frontpanel = rtsFalse;
247 #if defined(PROFILING) || defined(PAR)
248 RtsFlags.CcFlags.doCostCentres = 0;
249 #endif /* PROFILING or PAR */
252 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
253 RtsFlags.ProfFlags.profileInterval = 100;
254 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
255 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
256 RtsFlags.ProfFlags.modSelector = NULL;
257 RtsFlags.ProfFlags.descrSelector = NULL;
258 RtsFlags.ProfFlags.typeSelector = NULL;
259 RtsFlags.ProfFlags.ccSelector = NULL;
260 RtsFlags.ProfFlags.ccsSelector = NULL;
261 RtsFlags.ProfFlags.retainerSelector = NULL;
262 RtsFlags.ProfFlags.bioSelector = NULL;
265 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
268 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
271 RtsFlags.ParFlags.nNodes = 1;
275 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
276 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
277 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
278 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
279 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
280 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
281 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
283 RtsFlags.ParFlags.outputDisabled = rtsFalse;
285 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
287 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
289 RtsFlags.ParFlags.packBufferSize = 1024;
290 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
291 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
292 RtsFlags.ParFlags.maxThreads = 1024;
293 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
294 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
297 #if defined(PAR) || defined(SMP)
298 RtsFlags.ParFlags.maxLocalSparks = 4096;
299 #endif /* PAR || SMP */
302 /* ToDo: check defaults for GranSim and GUM */
303 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
304 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
306 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
307 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
308 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
309 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
310 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
311 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
312 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
313 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
315 RtsFlags.GranFlags.packBufferSize = 1024;
316 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
318 RtsFlags.GranFlags.proc = MAX_PROC;
319 RtsFlags.GranFlags.Fishing = rtsFalse;
320 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
321 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
322 RtsFlags.GranFlags.Light = rtsFalse;
324 RtsFlags.GranFlags.Costs.latency = LATENCY;
325 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
326 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
327 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
328 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
329 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
330 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
331 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
333 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
334 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
335 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
336 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
337 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
339 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
340 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
341 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
342 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
343 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
345 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
347 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
348 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
350 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
351 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
352 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
353 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
354 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
355 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
356 RtsFlags.GranFlags.FetchStrategy = 2;
357 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
358 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
359 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
360 RtsFlags.GranFlags.SparkPriority = 0;
361 RtsFlags.GranFlags.SparkPriority2 = 0;
362 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
363 RtsFlags.GranFlags.InversePriorities = rtsFalse;
364 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
365 RtsFlags.GranFlags.ThunksToPack = 0;
366 RtsFlags.GranFlags.RandomSteal = rtsTrue;
370 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
371 RtsFlags.TickyFlags.tickyFile = NULL;
378 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
380 " +RTS Indicates run time system options follow",
381 " -RTS Indicates program arguments follow",
382 " --RTS Indicates that ALL subsequent arguments will be given to the",
383 " program (including any of these RTS flags)",
385 "The following run time system options are available:",
387 " -? Prints this message and exits; the program is not executed",
389 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
390 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
392 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
393 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
394 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
395 " -m<n> Minimum % of heap which must be available (default 3%)",
396 " -G<n> Number of generations (default: 2)",
397 " -T<n> Number of steps in younger generations (default: 2)",
398 " -c<n> Auto-enable compaction of the oldest generation when live data is",
399 " at least <n>% of the maximum heap size set with -M (default: 30%)",
400 " -c Enable compaction for all major collections",
402 " -t<file> One-line GC statistics (default file: <program>.stat)",
403 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
404 " -S<file> Detailed GC statistics",
405 #ifdef RTS_GTK_FRONTPANEL
406 " -f Display front panel (requires X11 & GTK+)",
410 " -Z Don't squeeze out update frames on stack overflow",
411 " -B Sound the bell at the start of each garbage collection",
412 #if defined(PROFILING) || defined(PAR)
414 " -px Time/allocation profile (XML) (output file <program>.prof)",
415 " -p Time/allocation profile (output file <program>.prof)",
416 " -P More detailed Time/Allocation profile",
417 " -Pa Give information about *all* cost centres",
419 # if defined(PROFILING)
421 " -hx Heap residency profile (XML) (output file <program>.prof)",
422 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
423 " break-down: c = cost centre stack (default)",
425 " d = closure description",
426 " y = type description",
428 " b = biography (LAG,DRAG,VOID,USE)",
429 " A subset of closures may be selected thusly:",
430 " -hc<cc>,... specific cost centre(s) (top of stack only)",
431 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
432 " -hm<mod>... all cost centres from the specified modules(s)",
433 " -hd<des>,... closures with specified closure descriptions",
434 " -hy<typ>... closures with specified type descriptions",
435 " -hr<cc>... closures with specified retainers",
436 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
438 " -R<size> Set the maximum retainer set size (default: 8)",
440 " -i<msec> Time between heap samples (msec, default: 100)",
442 " -xc Show current cost centre stack on raising an exception",
444 #endif /* PROFILING or PAR */
445 #if !defined(PROFILING) && defined(DEBUG)
447 " -h<break-down> Debugging Heap residency profile",
448 " (output file <program>.hp)",
449 " break-down: L = closure label (default)",
450 " T = closure type (constructor, thunk etc.)",
453 #if defined(TICKY_TICKY)
454 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
458 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
459 /* NB: the -N<n> is implemented by the driver!! */
461 " -C<secs> Context-switch interval in seconds",
462 " (0 or no argument means switch as often as possible)",
463 " the default is .02 sec; resolution is .02 sec",
465 " -N<n> Use <n> OS threads (default: 1)",
467 #if defined(SMP) || defined(PAR)
468 " -e<size> Size of spark pools (default 100)",
471 " -t<num> Set maximum number of advisory threads per PE (default 32)",
472 " -qP Enable activity profile (output files in ~/<program>*.gr)",
473 " -qQ<size> Set pack-buffer size (default: 1024)",
474 " -qd Turn on PVM-ish debugging",
475 " -qO Disable output for performance measurement",
477 #if defined(SMP) || defined(PAR)
478 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
481 " -d Turn on PVM-ish debugging",
482 " -O Disable output for performance measurement",
484 #if defined(GRAN) /* ToDo: fill in decent Docu here */
485 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
488 "RTS options may also be specified using the GHCRTS environment variable.",
490 "Other RTS options may be available for programs compiled a different way.",
491 "The GHC User's Guide has full details.",
496 static __inline__ rtsBool
497 strequal(const char *a, const char * b)
499 return(strcmp(a, b) == 0);
503 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
509 while (isspace(*c1)) { c1++; };
511 while (!isspace(*c2) && *c2 != '\0') { c2++; };
513 if (c1 == c2) { break; }
515 if (*rts_argc < MAX_RTS_ARGS-1) {
517 strncpy(s, c1, c2-c1);
519 rts_argv[(*rts_argc)++] = s;
521 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
525 } while (*c1 != '\0');
529 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
531 rtsBool error = rtsFalse;
536 /* Remove directory from argv[0] -- default files in current directory */
538 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
539 strcpy(argv[0], last_slash+1);
547 // process arguments from the ghc_rts_opts global variable first.
548 // (arguments from the GHCRTS environment variable and the command
549 // line override these).
551 if (ghc_rts_opts != NULL) {
552 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
556 // process arguments from the GHCRTS environment variable first
557 // (arguments from the command line override these).
559 char *ghc_rts = getenv("GHCRTS");
561 if (ghc_rts != NULL) {
562 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
566 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
567 // argv[0] must be PGM argument -- leave in argv
569 for (mode = PGM; arg < total_arg; arg++) {
570 // The '--RTS' argument disables all future +RTS ... -RTS processing.
571 if (strequal("--RTS", argv[arg])) {
575 // The '--' argument is passed through to the program, but
576 // disables all further +RTS ... -RTS processing.
577 else if (strequal("--", argv[arg])) {
580 else if (strequal("+RTS", argv[arg])) {
583 else if (strequal("-RTS", argv[arg])) {
586 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
587 rts_argv[(*rts_argc)++] = argv[arg];
589 else if (mode == PGM) {
590 argv[(*argc)++] = argv[arg];
593 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
596 // process remaining program arguments
597 for (; arg < total_arg; arg++) {
598 argv[(*argc)++] = argv[arg];
600 argv[*argc] = (char *) 0;
601 rts_argv[*rts_argc] = (char *) 0;
603 // Process RTS (rts_argv) part: mainly to determine statsfile
604 for (arg = 0; arg < *rts_argc; arg++) {
605 if (rts_argv[arg][0] != '-') {
607 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
611 switch(rts_argv[arg][1]) {
613 /* process: general args, then PROFILING-only ones,
614 then CONCURRENT-only, PARallel-only, GRAN-only,
615 TICKY-only (same order as defined in RtsFlags.lh);
616 within those groups, mostly in case-insensitive
618 Final group is x*, which allows for more options.
622 # define TICKY_BUILD_ONLY(x) x
624 # define TICKY_BUILD_ONLY(x) \
625 prog_belch("GHC not built for: ticky-ticky stats"); \
629 #if defined(PROFILING)
630 # define COST_CENTRE_USING_BUILD_ONLY(x) x
632 # define COST_CENTRE_USING_BUILD_ONLY(x) \
633 prog_belch("GHC not built for: -prof or -parallel"); \
638 # define PROFILING_BUILD_ONLY(x) x
640 # define PROFILING_BUILD_ONLY(x) \
641 prog_belch("GHC not built for: -prof"); \
646 # define SMP_BUILD_ONLY(x) x
648 # define SMP_BUILD_ONLY(x) \
649 prog_belch("GHC not built for: -smp"); \
654 # define PAR_BUILD_ONLY(x) x
656 # define PAR_BUILD_ONLY(x) \
657 prog_belch("GHC not built for: -parallel"); \
661 #if defined(SMP) || defined(PAR)
662 # define PAR_OR_SMP_BUILD_ONLY(x) x
664 # define PAR_OR_SMP_BUILD_ONLY(x) \
665 prog_belch("GHC not built for: -parallel or -smp"); \
670 # define GRAN_BUILD_ONLY(x) x
672 # define GRAN_BUILD_ONLY(x) \
673 prog_belch("GHC not built for: -gransim"); \
677 /* =========== GENERAL ========================== */
683 RtsFlags.GcFlags.minAllocAreaSize
684 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
685 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
686 bad_option(rts_argv[arg]);
691 RtsFlags.GcFlags.ringBell = rtsTrue;
695 if (rts_argv[arg][2] != '\0') {
696 RtsFlags.GcFlags.compactThreshold =
697 atof(rts_argv[arg]+2);
699 RtsFlags.GcFlags.compact = rtsTrue;
704 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
706 if (RtsFlags.GcFlags.oldGenFactor < 0)
707 bad_option( rts_argv[arg] );
712 if (isdigit(rts_argv[arg][2])) {/* Set all debugging options in one */
713 /* hack warning: interpret the flags as a binary number */
714 nat n = decode(rts_argv[arg]+2);
715 set_debug_options(n);
721 RtsFlags.GcFlags.maxStkSize =
722 decode(rts_argv[arg]+2) / sizeof(W_);
724 if (RtsFlags.GcFlags.maxStkSize == 0)
725 bad_option( rts_argv[arg] );
729 RtsFlags.GcFlags.initialStkSize =
730 decode(rts_argv[arg]+2) / sizeof(W_);
732 if (RtsFlags.GcFlags.initialStkSize == 0)
733 bad_option( rts_argv[arg] );
737 RtsFlags.GcFlags.maxHeapSize =
738 decode(rts_argv[arg]+2) / BLOCK_SIZE;
739 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
741 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
742 bad_option(rts_argv[arg]);
747 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
749 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
750 RtsFlags.GcFlags.pcFreeHeap > 100)
751 bad_option( rts_argv[arg] );
755 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
756 if (RtsFlags.GcFlags.generations < 1) {
757 bad_option(rts_argv[arg]);
762 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
763 if (RtsFlags.GcFlags.steps < 1) {
764 bad_option(rts_argv[arg]);
769 RtsFlags.GcFlags.heapSizeSuggestion =
770 decode(rts_argv[arg]+2) / BLOCK_SIZE;
772 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
773 bad_option(rts_argv[arg]);
777 #ifdef RTS_GTK_FRONTPANEL
779 RtsFlags.GcFlags.frontpanel = rtsTrue;
784 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
788 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
792 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
797 /* Opening all those files would almost certainly fail... */
798 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
799 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
801 RtsFlags.GcFlags.statsFile
802 = open_stats_file(arg, *argc, argv,
803 *rts_argc, rts_argv, STAT_FILENAME_FMT);
805 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
810 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
813 /* =========== PROFILING ========================== */
815 case 'P': /* detailed cost centre profiling (time/alloc) */
816 case 'p': /* cost centre profiling (time/alloc) */
817 COST_CENTRE_USING_BUILD_ONLY(
818 switch (rts_argv[arg][2]) {
820 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
823 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
826 if (rts_argv[arg][1] == 'P') {
827 RtsFlags.CcFlags.doCostCentres =
828 COST_CENTRES_VERBOSE;
830 RtsFlags.CcFlags.doCostCentres =
831 COST_CENTRES_SUMMARY;
838 PROFILING_BUILD_ONLY(
839 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
841 if (RtsFlags.ProfFlags.maxRetainerSetSize < 0)
842 bad_option( rts_argv[arg] );
846 case 'h': /* serial heap profile */
847 #if !defined(PROFILING) && defined(DEBUG)
848 switch (rts_argv[arg][2]) {
851 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
854 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
857 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
861 PROFILING_BUILD_ONLY(
862 switch (rts_argv[arg][2]) {
876 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
878 char *left = strchr(rts_argv[arg], '{');
879 char *right = strrchr(rts_argv[arg], '}');
881 // curly braces are optional, for
886 left = rts_argv[arg] + 3;
889 right = rts_argv[arg] + strlen(rts_argv[arg]);
893 switch (rts_argv[arg][2]) {
894 case 'c': // cost centre label select
895 RtsFlags.ProfFlags.ccSelector = left;
898 RtsFlags.ProfFlags.ccsSelector = left;
901 case 'm': // cost centre module select
902 RtsFlags.ProfFlags.modSelector = left;
905 case 'd': // closure descr select
906 RtsFlags.ProfFlags.descrSelector = left;
909 case 'y': // closure type select
910 RtsFlags.ProfFlags.typeSelector = left;
913 case 'r': // retainer select
914 RtsFlags.ProfFlags.retainerSelector = left;
917 case 'b': // biography select
918 RtsFlags.ProfFlags.bioSelector = left;
925 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
926 prog_belch("multiple heap profile options");
931 switch (rts_argv[arg][2]) {
935 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
939 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
943 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
947 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
951 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
955 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
961 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
968 #if defined(PROFILING)
969 case 'i': /* heap sample interval */
970 if (rts_argv[arg][2] == '\0') {
975 /* Convert to milliseconds */
976 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
977 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
978 if (cst != 0 && cst < CS_MIN_MILLISECS)
979 cst = CS_MIN_MILLISECS;
981 RtsFlags.ProfFlags.profileInterval = cst;
986 /* =========== CONCURRENT ========================= */
987 case 'C': /* context switch interval */
988 if (rts_argv[arg][2] == '\0')
989 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
993 /* Convert to milliseconds */
994 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
995 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
996 if (cst != 0 && cst < CS_MIN_MILLISECS)
997 cst = CS_MIN_MILLISECS;
999 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1006 if (rts_argv[arg][2] != '\0') {
1007 RtsFlags.ParFlags.nNodes
1008 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1009 if (RtsFlags.ParFlags.nNodes <= 0) {
1010 prog_belch("bad value for -N");
1016 /* =========== PARALLEL =========================== */
1018 PAR_OR_SMP_BUILD_ONLY(
1019 if (rts_argv[arg][2] != '\0') {
1020 RtsFlags.ParFlags.maxLocalSparks
1021 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1022 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1023 prog_belch("bad value for -e");
1031 process_par_option(arg, rts_argc, rts_argv, &error);
1034 /* =========== GRAN =============================== */
1038 process_gran_option(arg, rts_argc, rts_argv, &error);
1041 /* =========== TICKY ============================== */
1043 case 'r': /* Basic profiling stats */
1046 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1047 RtsFlags.TickyFlags.tickyFile
1048 = open_stats_file(arg, *argc, argv,
1049 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1051 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1054 /* =========== EXTENDED OPTIONS =================== */
1056 case 'x': /* Extend the argument space */
1057 switch(rts_argv[arg][2]) {
1059 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1063 case 'c': /* Debugging tool: show current cost centre on an exception */
1064 PROFILING_BUILD_ONLY(
1065 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1068 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1071 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1075 break; /* defensive programming */
1077 /* =========== OH DEAR ============================ */
1079 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1089 for (p = usage_text; *p; p++)
1091 stg_exit(EXIT_FAILURE);
1097 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1098 //@subsection GranSim specific options
1101 enable_GranSimLight(void) {
1103 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1104 RtsFlags.GranFlags.Light=rtsTrue;
1105 RtsFlags.GranFlags.Costs.latency =
1106 RtsFlags.GranFlags.Costs.fetchtime =
1107 RtsFlags.GranFlags.Costs.additional_latency =
1108 RtsFlags.GranFlags.Costs.gunblocktime =
1109 RtsFlags.GranFlags.Costs.lunblocktime =
1110 RtsFlags.GranFlags.Costs.threadcreatetime =
1111 RtsFlags.GranFlags.Costs.threadqueuetime =
1112 RtsFlags.GranFlags.Costs.threadscheduletime =
1113 RtsFlags.GranFlags.Costs.threaddescheduletime =
1114 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1116 RtsFlags.GranFlags.Costs.mpacktime =
1117 RtsFlags.GranFlags.Costs.munpacktime = 0;
1119 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1120 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1121 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1122 /* FetchStrategy is irrelevant in GrAnSim-Light */
1124 /* GrAnSim Light often creates an abundance of parallel threads,
1125 each with its own stack etc. Therefore, it's in general a good
1126 idea to use small stack chunks (use the -o<size> option to
1129 // RtsFlags.ConcFlags.stkChunkSize = 100;
1131 RtsFlags.GranFlags.proc = 1;
1135 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1137 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1140 /* or a ridiculously idealised simulator */
1141 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1142 RtsFlags.GranFlags.Costs.latency =
1143 RtsFlags.GranFlags.Costs.fetchtime =
1144 RtsFlags.GranFlags.Costs.additional_latency =
1145 RtsFlags.GranFlags.Costs.gunblocktime =
1146 RtsFlags.GranFlags.Costs.lunblocktime =
1147 RtsFlags.GranFlags.Costs.threadcreatetime =
1148 RtsFlags.GranFlags.Costs.threadqueuetime =
1149 RtsFlags.GranFlags.Costs.threadscheduletime =
1150 RtsFlags.GranFlags.Costs.threaddescheduletime =
1151 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1153 RtsFlags.GranFlags.Costs.mpacktime =
1154 RtsFlags.GranFlags.Costs.munpacktime = 0;
1156 RtsFlags.GranFlags.Costs.arith_cost =
1157 RtsFlags.GranFlags.Costs.float_cost =
1158 RtsFlags.GranFlags.Costs.load_cost =
1159 RtsFlags.GranFlags.Costs.store_cost =
1160 RtsFlags.GranFlags.Costs.branch_cost = 0;
1162 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1164 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1165 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1166 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1167 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1171 /* or a somewhat idealised simulator */
1172 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1173 RtsFlags.GranFlags.Costs.latency =
1174 RtsFlags.GranFlags.Costs.fetchtime =
1175 RtsFlags.GranFlags.Costs.additional_latency =
1176 RtsFlags.GranFlags.Costs.gunblocktime =
1177 RtsFlags.GranFlags.Costs.lunblocktime =
1178 RtsFlags.GranFlags.Costs.threadcreatetime =
1179 RtsFlags.GranFlags.Costs.threadqueuetime =
1180 RtsFlags.GranFlags.Costs.threadscheduletime =
1181 RtsFlags.GranFlags.Costs.threaddescheduletime =
1182 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1184 RtsFlags.GranFlags.Costs.mpacktime =
1185 RtsFlags.GranFlags.Costs.munpacktime = 0;
1187 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1189 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1190 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1191 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1192 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1193 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1194 # if defined(GRAN_CHECK) && defined(GRAN)
1195 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1200 /* Communication and task creation cost parameters */
1201 switch(rts_argv[arg][2]) {
1203 IgnoreYields = rtsTrue; // HWL HACK
1207 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1211 if (rts_argv[arg][3] != '\0')
1213 RtsFlags.GranFlags.Costs.gunblocktime =
1214 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1215 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1218 RtsFlags.GranFlags.Costs.latency = LATENCY;
1222 if (rts_argv[arg][3] != '\0')
1223 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1225 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1229 if (rts_argv[arg][3] != '\0')
1230 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1232 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1236 if (rts_argv[arg][3] != '\0')
1237 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1239 RtsFlags.GranFlags.Costs.mtidytime = 0;
1243 if (rts_argv[arg][3] != '\0')
1244 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1246 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1250 if (rts_argv[arg][3] != '\0')
1251 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1253 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1257 if (rts_argv[arg][3] != '\0')
1258 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1260 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1264 if (rts_argv[arg][3] != '\0')
1265 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1267 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1270 /* Thread-related metrics */
1272 if (rts_argv[arg][3] != '\0')
1273 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1275 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1279 if (rts_argv[arg][3] != '\0')
1280 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1282 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1286 if (rts_argv[arg][3] != '\0')
1287 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1289 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1291 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1292 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1296 if (rts_argv[arg][3] != '\0')
1297 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1299 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1301 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1302 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1305 /* Instruction Cost Metrics */
1307 if (rts_argv[arg][3] != '\0')
1308 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1310 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1314 if (rts_argv[arg][3] != '\0')
1315 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1317 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1321 if (rts_argv[arg][3] != '\0')
1322 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1324 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1328 if (rts_argv[arg][3] != '\0')
1329 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1331 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1335 if (rts_argv[arg][3] != '\0')
1336 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1338 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1342 if (rts_argv[arg][3] != '\0')
1343 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1345 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1349 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1350 if (rts_argv[arg][3] != '\0')
1351 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1353 RtsFlags.GranFlags.FetchStrategy = 2;
1354 if (RtsFlags.GranFlags.FetchStrategy == 0)
1355 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1358 case 'K': /* sort overhead (per elem in spark list) */
1359 if (rts_argv[arg][3] != '\0')
1360 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1362 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1363 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1364 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1367 case 'O': /* sort overhead (per elem in spark list) */
1368 if (rts_argv[arg][3] != '\0')
1369 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1371 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1372 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1373 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1376 /* General Parameters */
1378 if (rts_argv[arg][3] != '\0')
1380 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1381 if (RtsFlags.GranFlags.proc==0) {
1382 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1383 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1384 RtsFlags.GranFlags.proc < 1)
1386 fprintf(stderr,"setupRtsFlags: no more than %u processors
1393 RtsFlags.GranFlags.proc = MAX_PROC;
1397 RtsFlags.GranFlags.Fishing = rtsTrue;
1398 if (rts_argv[arg][3] != '\0')
1399 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1401 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1405 if (rts_argv[arg][3] != '\0')
1406 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1408 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1412 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1413 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1417 fprintf(stderr,"Bulk fetching enabled.\n");
1418 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1422 fprintf(stderr,"Thread migration enabled.\n");
1423 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1427 fprintf(stderr,"Fair Scheduling enabled.\n");
1428 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1432 fprintf(stderr,"Priority Scheduling enabled.\n");
1433 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1437 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1438 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1442 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1446 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1450 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1454 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1458 /* format is -bP<c> where <c> is one char describing kind of profile */
1459 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1460 switch(rts_argv[arg][3]) {
1461 case '\0': break; // nothing special, just an ordinary profile
1462 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1464 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1466 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1468 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1470 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1472 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1474 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1479 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1483 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1486 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1487 if (rts_argv[arg][3] != '\0') {
1490 arg0 = rts_argv[arg]+3;
1491 if ((tmp = strstr(arg0,","))==NULL) {
1492 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1493 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1496 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1497 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1498 fprintf(stderr,"SparkPriority: %u.\n",
1499 RtsFlags.GranFlags.SparkPriority);
1500 fprintf(stderr,"SparkPriority2:%u.\n",
1501 RtsFlags.GranFlags.SparkPriority2);
1502 if (RtsFlags.GranFlags.SparkPriority2 <
1503 RtsFlags.GranFlags.SparkPriority) {
1504 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1505 RtsFlags.GranFlags.SparkPriority2,
1506 RtsFlags.GranFlags.SparkPriority);
1510 /* plain pri spark is now invoked with -bX
1511 RtsFlags.GranFlags.DoPrioritySparking = 1;
1512 fprintf(stderr,"PrioritySparking.\n");
1518 if (rts_argv[arg][3] != '\0') {
1519 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1521 RtsFlags.GranFlags.ThunksToPack = 1;
1523 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1524 RtsFlags.GranFlags.ThunksToPack);
1528 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1529 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1532 /* The following class of options contains eXperimental */
1533 /* features in connection with exploiting granularity */
1534 /* information. I.e. if -bY is chosen these options */
1535 /* tell the RTS what to do with the supplied info --HWL */
1538 if (rts_argv[arg][3] != '\0') {
1539 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1541 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1543 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1544 RtsFlags.GranFlags.packBufferSize_internal);
1548 switch(rts_argv[arg][3]) {
1551 RtsFlags.GranFlags.DoPrioritySparking = 1;
1552 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1553 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1554 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1555 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1559 RtsFlags.GranFlags.DoPrioritySparking = 1;
1560 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1561 RtsFlags.GranFlags.InversePriorities++;
1565 RtsFlags.GranFlags.DoPrioritySparking = 1;
1566 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1567 RtsFlags.GranFlags.RandomPriorities++;
1571 RtsFlags.GranFlags.DoPrioritySparking = 1;
1572 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1573 RtsFlags.GranFlags.IgnorePriorities++;
1577 bad_option( rts_argv[arg] );
1583 switch(rts_argv[arg][3]) {
1586 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1587 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1591 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1595 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1599 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1603 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1604 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1608 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1612 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1616 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1620 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1624 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1628 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1632 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1636 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1637 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1641 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1645 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1649 bad_option( rts_argv[arg] );
1654 # if defined(GRAN_CHECK) && defined(GRAN)
1656 switch(rts_argv[arg][3]) {
1657 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1658 if (rts_argv[arg][4] != '\0') {
1659 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1660 fprintf(stderr,"Pack buffer size: %d\n",
1661 RtsFlags.GranFlags.packBufferSize);
1663 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1669 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1670 /* hack warning: interpret the flags as a binary number */
1671 nat n = decode(rts_argv[arg]+3);
1672 set_GranSim_debug_options(n);
1675 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1676 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1679 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1680 fprintf(stderr, "Valid GranSim debug options are:\n");
1681 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1682 bad_option( rts_argv[arg] );
1683 } else { // flag found; now set it
1684 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1690 case 'e': /* event trace; also -bD1 */
1691 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1692 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1693 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1696 case 'E': /* event statistics; also -bD2 */
1697 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1698 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1699 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1702 case 'f': /* thunkStealing; also -bD4 */
1703 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1704 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1705 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1708 case 'z': /* blockOnFetch; also -bD8 */
1709 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1710 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1711 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1714 case 't': /* blockOnFetch_sanity; also -bD16 */
1715 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1716 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1717 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1720 case 'S': /* priSpark; also -bD32 */
1721 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1722 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1725 case 's': /* priSched; also -bD64 */
1726 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1727 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1730 case 'F': /* findWork; also -bD128 */
1731 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1732 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1735 case 'g': /* globalBlock; also -bD256 */
1736 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1737 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1740 case 'G': /* pack; also -bD512 */
1741 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1742 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1745 case 'P': /* packBuffer; also -bD1024 */
1746 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1747 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1750 case 'o': /* sortedQ; also -bD2048 */
1751 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1752 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1755 case 'r': /* randomSteal; also -bD4096 */
1756 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1757 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1760 case 'q': /* checkSparkQ; also -bD8192 */
1761 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1762 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1765 case ':': /* checkLight; also -bD16384 */
1766 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1767 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1770 case 'b': /* bq; also -bD32768 */
1771 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1772 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1775 case 'd': /* all options turned on */
1776 fprintf(stderr,"DEBUG: all options turned on.\n");
1777 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1778 /* RtsFlags.GranFlags.Debug |= 0x40; */
1782 /* RtsFlags.GranFlags.Debug = 1; */
1788 # endif /* GRAN_CHECK */
1790 bad_option( rts_argv[arg] );
1796 Interpret n as a binary number masking GranSim debug options and set the
1797 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1800 set_GranSim_debug_options(nat n) {
1803 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1805 fprintf(stderr, gran_debug_opts_strs[i]);
1807 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1808 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1809 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1810 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1811 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1812 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1813 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1814 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1815 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1816 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1817 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1818 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1819 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1820 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1821 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1822 default: barf("set_GranSim_debug_options: only %d debug options expected");
1828 Print one line explanation for each of the GranSim debug options specified
1832 help_GranSim_debug_options(nat n) {
1835 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1837 fprintf(stderr, gran_debug_opts_strs[i]);
1843 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1846 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1847 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1851 /* Communication and task creation cost parameters */
1852 switch(rts_argv[arg][2]) {
1853 case 'e': /* -qe<n> ... allow <n> local sparks */
1854 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1855 RtsFlags.ParFlags.maxLocalSparks
1856 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1858 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1859 belch("setupRtsFlags: bad value for -e\n");
1863 IF_PAR_DEBUG(verbose,
1864 belch("-qe<n>: max %d local sparks",
1865 RtsFlags.ParFlags.maxLocalSparks));
1869 if (rts_argv[arg][3] != '\0') {
1870 RtsFlags.ParFlags.maxThreads
1871 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1873 belch("setupRtsFlags: missing size for -qt\n");
1876 IF_PAR_DEBUG(verbose,
1877 belch("-qt<n>: max %d threads",
1878 RtsFlags.ParFlags.maxThreads));
1882 if (rts_argv[arg][3] != '\0')
1883 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1885 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1887 IF_PAR_DEBUG(verbose,
1888 belch("-qf<n>: max %d fishes sent out at one time",
1889 RtsFlags.ParFlags.maxFishes));
1893 if (rts_argv[arg][3] != '\0') {
1894 RtsFlags.ParFlags.fishDelay
1895 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1897 belch("setupRtsFlags: missing fish delay time for -qF\n");
1900 IF_PAR_DEBUG(verbose,
1901 belch("-qF<n>: fish delay time %d us",
1902 RtsFlags.ParFlags.fishDelay));
1906 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1907 IF_PAR_DEBUG(verbose,
1908 belch("-qO: output disabled"));
1911 case 'g': /* -qg<n> ... globalisation scheme */
1912 if (rts_argv[arg][3] != '\0') {
1913 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1915 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1918 IF_PAR_DEBUG(verbose,
1919 belch("-qg<n>: globalisation scheme set to %d",
1920 RtsFlags.ParFlags.globalising));
1923 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1924 if (rts_argv[arg][3] != '\0') {
1925 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1927 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1930 IF_PAR_DEBUG(verbose,
1931 belch("-qh<n>: thunks per packet set to %d",
1932 RtsFlags.ParFlags.thunksToPack));
1935 case 'P': /* -qP for writing a log file */
1936 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1937 /* same encoding as in GranSim after -bP */
1938 switch(rts_argv[arg][3]) {
1939 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1940 break; // nothing special, just an ordinary profile
1941 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1942 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1944 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1946 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1948 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1950 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1953 # if defined(PAR_TICKY)
1954 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1956 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1957 stg_exit(EXIT_FAILURE);
1960 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1962 IF_PAR_DEBUG(verbose,
1963 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1964 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1967 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1968 if (rts_argv[arg][3] != '\0') {
1969 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1971 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1974 IF_PAR_DEBUG(verbose,
1975 belch("-qQ<n>: pack buffer size set to %d",
1976 RtsFlags.ParFlags.packBufferSize));
1980 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1981 IF_PAR_DEBUG(verbose,
1982 belch("-qR: fair-ish scheduling"));
1987 if (rts_argv[arg][3] != '\0') {
1988 RtsFlags.ParFlags.wait
1989 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1991 RtsFlags.ParFlags.wait = 1000;
1993 IF_PAR_DEBUG(verbose,
1994 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1995 RtsFlags.ParFlags.wait));
1998 case 'D': /* -qD ... all the debugging options */
1999 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2000 /* hack warning: interpret the flags as a binary number */
2001 nat n = decode(rts_argv[arg]+3);
2002 set_par_debug_options(n);
2005 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2006 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2009 if (i==MAX_PAR_DEBUG_OPTION+1) {
2010 fprintf(stderr, "Valid GUM debug options are:\n");
2011 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2012 bad_option( rts_argv[arg] );
2013 } else { // flag found; now set it
2014 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2020 belch("Unknown option -q%c (%d opts in total)",
2021 rts_argv[arg][2], *rts_argc);
2027 Interpret n as a binary number masking Par debug options and set the
2028 correxponding option. See par_debug_opts_strs for explanations of the flags.
2031 set_par_debug_options(nat n) {
2034 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2036 fprintf(stderr, par_debug_opts_strs[i]);
2038 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2039 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2040 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2041 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2042 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2043 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2044 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2045 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2046 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2047 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2048 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2049 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2050 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2051 default: barf("set_par_debug_options: only %d debug options expected",
2052 MAX_PAR_DEBUG_OPTION);
2058 Print one line explanation for each of the GranSim debug options specified
2062 help_par_debug_options(nat n) {
2065 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2067 fprintf(stderr, par_debug_opts_strs[i]);
2074 set_debug_options(nat n) {
2077 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2079 fprintf(stderr, debug_opts_strs[i]);
2081 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
2082 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
2083 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
2084 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
2085 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
2086 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
2087 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
2088 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
2089 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
2090 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
2091 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
2092 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
2093 case 12: RtsFlags.DebugFlags.linker = rtsTrue; break;
2094 default: barf("set_debug_options: only %d debug options expected",
2101 help_debug_options(nat n) {
2104 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2106 fprintf(stderr, debug_opts_strs[i]);
2110 //@node Aux fcts, , GranSim specific options
2111 //@subsection Aux fcts
2113 static FILE * /* return NULL on error */
2116 int argc, char *argv[],
2117 int rts_argc, char *rts_argv[],
2118 const char *FILENAME_FMT)
2122 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2124 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2125 f = fopen(rts_argv[arg]+2,"w");
2127 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2128 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2129 f = fopen(stats_filename,"w");
2132 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2134 /* Write argv and rtsv into start of stats file */
2136 for(count = 0; count < argc; count++)
2137 fprintf(f, "%s ", argv[count]);
2138 fprintf(f, "+RTS ");
2139 for(count = 0; count < rts_argc; count++)
2140 fprintf(f, "%s ", rts_argv[count]);
2148 decode(const char *s)
2159 if (c == 'g' || c == 'G')
2160 m *= 1000*1000*1000; /* UNchecked! */
2161 else if (c == 'm' || c == 'M')
2162 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2163 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2164 m *= 1000; /* a direct-mapped cache. */
2165 else if (c == 'w' || c == 'W')
2172 bad_option(const char *s)
2174 prog_belch("bad RTS option: %s", s);
2175 stg_exit(EXIT_FAILURE);