1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.58 2002/07/18 09:13:10 simonmar Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
24 #include "PosixSource.h"
28 #include "BlockAlloc.h"
29 #include "Itimer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
32 #if defined(PROFILING)
43 extern struct RTS_FLAGS RtsFlags;
46 * Split argument lists
48 int prog_argc; /* an "int" so as to match normal "argc" */
49 char **prog_argv = NULL;
50 int rts_argc; /* ditto */
51 char *rts_argv[MAX_RTS_ARGS];
53 //@node Constants, Static function decls, Includes
54 //@subsection Constants
57 * constants, used later
62 char *debug_opts_strs[] = {
63 "DEBUG (-D1): scheduler\n",
64 "DEBUG (-D2): evaluator\n",
65 "DEBUG (-D4): codegen\n",
66 "DEBUG (-D8): weak\n",
67 "DEBUG (-D16): gccafs\n",
69 "DEBUG (-D64): block\n",
70 "DEBUG (-D128): sanity\n",
71 "DEBUG (-D256): stable\n",
72 "DEBUG (-D512): prof\n",
73 "DEBUG (-D1024): gran\n",
74 "DEBUG (-D2048): par\n",
75 "DEBUG (-D4096): linker\n"
78 char *debug_opts_prefix[] = {
96 char *gran_debug_opts_strs[] = {
97 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
98 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
99 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
100 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
101 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
102 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
103 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
104 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
105 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
106 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
107 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
108 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
109 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
110 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
111 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
114 /* one character codes for the available debug options */
115 char gran_debug_opts_flags[] = {
116 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
119 /* prefix strings printed with the debug messages of the corresponding type */
120 char *gran_debug_opts_prefix[] = {
121 "", /* event_trace */
122 "", /* event_stats */
125 "^^", /* checkSparkQ */
126 "==", /* thunkStealing */
127 "^^", /* randomSteal */
131 "::", /* checkLight */
133 "", /* blockOnFetch */
135 "" /* blockOnFetch_sanity */
140 char *par_debug_opts_strs[] = {
141 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
142 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
143 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
144 "DEBUG (-qDe, -qD8): free; free messages.\n",
145 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
146 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
147 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
148 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
149 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
150 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
151 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
152 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
153 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
154 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
157 /* one character codes for the available debug options */
158 char par_debug_opts_flags[] = {
159 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
162 /* prefix strings printed with the debug messages of the corresponding type */
163 char *par_debug_opts_prefix[] = {
181 //@node Static function decls, Command-line option parsing routines, Constants
182 //@subsection Static function decls
184 /* -----------------------------------------------------------------------------
185 Static function decls
186 -------------------------------------------------------------------------- */
188 static FILE * /* return NULL on error */
191 int argc, char *argv[],
192 int rts_argc, char *rts_argv[],
193 const char *FILENAME_FMT);
195 static I_ decode(const char *s);
196 static void bad_option(const char *s);
199 static void enable_GranSimLight(void);
200 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
201 static void set_GranSim_debug_options(nat n);
202 static void help_GranSim_debug_options(nat n);
204 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
205 static void set_par_debug_options(nat n);
206 static void help_par_debug_options(nat n);
209 static void set_debug_options(nat n);
210 static void help_debug_options(nat n);
213 //@node Command-line option parsing routines, GranSim specific options, Static function decls
214 //@subsection Command-line option parsing routines
216 /* -----------------------------------------------------------------------------
217 * Command-line option parsing routines.
218 * ---------------------------------------------------------------------------*/
220 void initRtsFlagsDefaults(void)
222 RtsFlags.GcFlags.statsFile = NULL;
223 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
225 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
226 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
228 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
229 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
230 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
231 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
232 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
233 RtsFlags.GcFlags.oldGenFactor = 2;
235 /* A hack currently needed for GUM -- HWL */
236 RtsFlags.GcFlags.generations = 1;
237 RtsFlags.GcFlags.steps = 2;
238 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
240 RtsFlags.GcFlags.generations = 2;
241 RtsFlags.GcFlags.steps = 2;
242 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
244 RtsFlags.GcFlags.compact = rtsFalse;
245 RtsFlags.GcFlags.compactThreshold = 30.0;
246 #ifdef RTS_GTK_FRONTPANEL
247 RtsFlags.GcFlags.frontpanel = rtsFalse;
250 #if defined(PROFILING) || defined(PAR)
251 RtsFlags.CcFlags.doCostCentres = 0;
252 #endif /* PROFILING or PAR */
255 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
256 RtsFlags.ProfFlags.profileInterval = 100;
257 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
258 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
259 RtsFlags.ProfFlags.modSelector = NULL;
260 RtsFlags.ProfFlags.descrSelector = NULL;
261 RtsFlags.ProfFlags.typeSelector = NULL;
262 RtsFlags.ProfFlags.ccSelector = NULL;
263 RtsFlags.ProfFlags.ccsSelector = NULL;
264 RtsFlags.ProfFlags.retainerSelector = NULL;
265 RtsFlags.ProfFlags.bioSelector = NULL;
268 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
271 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
274 RtsFlags.ParFlags.nNodes = 1;
278 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
279 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
280 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
281 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
282 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
283 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
284 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
286 RtsFlags.ParFlags.outputDisabled = rtsFalse;
288 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
290 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
292 RtsFlags.ParFlags.packBufferSize = 1024;
293 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
294 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
295 RtsFlags.ParFlags.maxThreads = 1024;
296 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
297 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
300 #if defined(PAR) || defined(SMP)
301 RtsFlags.ParFlags.maxLocalSparks = 4096;
302 #endif /* PAR || SMP */
305 /* ToDo: check defaults for GranSim and GUM */
306 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
307 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
309 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
310 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
311 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
312 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
313 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
314 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
315 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
316 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
318 RtsFlags.GranFlags.packBufferSize = 1024;
319 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
321 RtsFlags.GranFlags.proc = MAX_PROC;
322 RtsFlags.GranFlags.Fishing = rtsFalse;
323 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
324 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
325 RtsFlags.GranFlags.Light = rtsFalse;
327 RtsFlags.GranFlags.Costs.latency = LATENCY;
328 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
329 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
330 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
331 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
332 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
333 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
334 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
336 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
337 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
338 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
339 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
340 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
342 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
343 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
344 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
345 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
346 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
348 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
350 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
351 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
353 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
354 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
355 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
356 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
357 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
358 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
359 RtsFlags.GranFlags.FetchStrategy = 2;
360 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
361 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
362 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
363 RtsFlags.GranFlags.SparkPriority = 0;
364 RtsFlags.GranFlags.SparkPriority2 = 0;
365 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
366 RtsFlags.GranFlags.InversePriorities = rtsFalse;
367 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
368 RtsFlags.GranFlags.ThunksToPack = 0;
369 RtsFlags.GranFlags.RandomSteal = rtsTrue;
373 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
374 RtsFlags.TickyFlags.tickyFile = NULL;
381 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
383 " +RTS Indicates run time system options follow",
384 " -RTS Indicates program arguments follow",
385 " --RTS Indicates that ALL subsequent arguments will be given to the",
386 " program (including any of these RTS flags)",
388 "The following run time system options are available:",
390 " -? Prints this message and exits; the program is not executed",
392 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
393 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
395 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
396 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
397 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
398 " -m<n> Minimum % of heap which must be available (default 3%)",
399 " -G<n> Number of generations (default: 2)",
400 " -T<n> Number of steps in younger generations (default: 2)",
401 " -c<n> Auto-enable compaction of the oldest generation when live data is",
402 " at least <n>% of the maximum heap size set with -M (default: 30%)",
403 " -c Enable compaction for all major collections",
405 " -t<file> One-line GC statistics (default file: <program>.stat)",
406 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
407 " -S<file> Detailed GC statistics",
408 #ifdef RTS_GTK_FRONTPANEL
409 " -f Display front panel (requires X11 & GTK+)",
413 " -Z Don't squeeze out update frames on stack overflow",
414 " -B Sound the bell at the start of each garbage collection",
415 #if defined(PROFILING) || defined(PAR)
417 " -px Time/allocation profile (XML) (output file <program>.prof)",
418 " -p Time/allocation profile (output file <program>.prof)",
419 " -P More detailed Time/Allocation profile",
420 " -Pa Give information about *all* cost centres",
422 # if defined(PROFILING)
424 " -hx Heap residency profile (XML) (output file <program>.prof)",
425 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
426 " break-down: c = cost centre stack (default)",
428 " d = closure description",
429 " y = type description",
431 " b = biography (LAG,DRAG,VOID,USE)",
432 " A subset of closures may be selected thusly:",
433 " -hc<cc>,... specific cost centre(s) (top of stack only)",
434 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
435 " -hm<mod>... all cost centres from the specified modules(s)",
436 " -hd<des>,... closures with specified closure descriptions",
437 " -hy<typ>... closures with specified type descriptions",
438 " -hr<cc>... closures with specified retainers",
439 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
441 " -R<size> Set the maximum retainer set size (default: 8)",
443 " -i<msec> Time between heap samples (msec, default: 100)",
445 " -xc Show current cost centre stack on raising an exception",
447 #endif /* PROFILING or PAR */
448 #if !defined(PROFILING) && defined(DEBUG)
450 " -h<break-down> Debugging Heap residency profile",
451 " (output file <program>.hp)",
452 " break-down: L = closure label (default)",
453 " T = closure type (constructor, thunk etc.)",
456 #if defined(TICKY_TICKY)
457 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
461 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
462 /* NB: the -N<n> is implemented by the driver!! */
464 " -C<secs> Context-switch interval in seconds",
465 " (0 or no argument means switch as often as possible)",
466 " the default is .02 sec; resolution is .02 sec",
468 " -N<n> Use <n> OS threads (default: 1)",
470 #if defined(SMP) || defined(PAR)
471 " -e<size> Size of spark pools (default 100)",
474 " -t<num> Set maximum number of advisory threads per PE (default 32)",
475 " -qP Enable activity profile (output files in ~/<program>*.gr)",
476 " -qQ<size> Set pack-buffer size (default: 1024)",
477 " -qd Turn on PVM-ish debugging",
478 " -qO Disable output for performance measurement",
480 #if defined(SMP) || defined(PAR)
481 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
484 " -d Turn on PVM-ish debugging",
485 " -O Disable output for performance measurement",
487 #if defined(GRAN) /* ToDo: fill in decent Docu here */
488 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
491 "RTS options may also be specified using the GHCRTS environment variable.",
493 "Other RTS options may be available for programs compiled a different way.",
494 "The GHC User's Guide has full details.",
499 static __inline__ rtsBool
500 strequal(const char *a, const char * b)
502 return(strcmp(a, b) == 0);
506 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
512 while (isspace(*c1)) { c1++; };
514 while (!isspace(*c2) && *c2 != '\0') { c2++; };
516 if (c1 == c2) { break; }
518 if (*rts_argc < MAX_RTS_ARGS-1) {
520 strncpy(s, c1, c2-c1);
522 rts_argv[(*rts_argc)++] = s;
524 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
528 } while (*c1 != '\0');
532 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
534 rtsBool error = rtsFalse;
539 /* Remove directory from argv[0] -- default files in current directory */
541 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
542 strcpy(argv[0], last_slash+1);
550 // process arguments from the ghc_rts_opts global variable first.
551 // (arguments from the GHCRTS environment variable and the command
552 // line override these).
554 if (ghc_rts_opts != NULL) {
555 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
559 // process arguments from the GHCRTS environment variable first
560 // (arguments from the command line override these).
562 char *ghc_rts = getenv("GHCRTS");
564 if (ghc_rts != NULL) {
565 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
569 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
570 // argv[0] must be PGM argument -- leave in argv
572 for (mode = PGM; arg < total_arg; arg++) {
573 // The '--RTS' argument disables all future +RTS ... -RTS processing.
574 if (strequal("--RTS", argv[arg])) {
578 // The '--' argument is passed through to the program, but
579 // disables all further +RTS ... -RTS processing.
580 else if (strequal("--", argv[arg])) {
583 else if (strequal("+RTS", argv[arg])) {
586 else if (strequal("-RTS", argv[arg])) {
589 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
590 rts_argv[(*rts_argc)++] = argv[arg];
592 else if (mode == PGM) {
593 argv[(*argc)++] = argv[arg];
596 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
599 // process remaining program arguments
600 for (; arg < total_arg; arg++) {
601 argv[(*argc)++] = argv[arg];
603 argv[*argc] = (char *) 0;
604 rts_argv[*rts_argc] = (char *) 0;
606 // Process RTS (rts_argv) part: mainly to determine statsfile
607 for (arg = 0; arg < *rts_argc; arg++) {
608 if (rts_argv[arg][0] != '-') {
610 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
614 switch(rts_argv[arg][1]) {
616 /* process: general args, then PROFILING-only ones,
617 then CONCURRENT-only, PARallel-only, GRAN-only,
618 TICKY-only (same order as defined in RtsFlags.lh);
619 within those groups, mostly in case-insensitive
621 Final group is x*, which allows for more options.
625 # define TICKY_BUILD_ONLY(x) x
627 # define TICKY_BUILD_ONLY(x) \
628 prog_belch("GHC not built for: ticky-ticky stats"); \
632 #if defined(PROFILING)
633 # define COST_CENTRE_USING_BUILD_ONLY(x) x
635 # define COST_CENTRE_USING_BUILD_ONLY(x) \
636 prog_belch("GHC not built for: -prof or -parallel"); \
641 # define PROFILING_BUILD_ONLY(x) x
643 # define PROFILING_BUILD_ONLY(x) \
644 prog_belch("GHC not built for: -prof"); \
649 # define SMP_BUILD_ONLY(x) x
651 # define SMP_BUILD_ONLY(x) \
652 prog_belch("GHC not built for: -smp"); \
657 # define PAR_BUILD_ONLY(x) x
659 # define PAR_BUILD_ONLY(x) \
660 prog_belch("GHC not built for: -parallel"); \
664 #if defined(SMP) || defined(PAR)
665 # define PAR_OR_SMP_BUILD_ONLY(x) x
667 # define PAR_OR_SMP_BUILD_ONLY(x) \
668 prog_belch("GHC not built for: -parallel or -smp"); \
673 # define GRAN_BUILD_ONLY(x) x
675 # define GRAN_BUILD_ONLY(x) \
676 prog_belch("GHC not built for: -gransim"); \
680 /* =========== GENERAL ========================== */
686 RtsFlags.GcFlags.minAllocAreaSize
687 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
688 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
689 bad_option(rts_argv[arg]);
694 RtsFlags.GcFlags.ringBell = rtsTrue;
698 if (rts_argv[arg][2] != '\0') {
699 RtsFlags.GcFlags.compactThreshold =
700 atof(rts_argv[arg]+2);
702 RtsFlags.GcFlags.compact = rtsTrue;
707 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
709 if (RtsFlags.GcFlags.oldGenFactor < 0)
710 bad_option( rts_argv[arg] );
715 if (isdigit(rts_argv[arg][2])) {/* Set all debugging options in one */
716 /* hack warning: interpret the flags as a binary number */
717 nat n = decode(rts_argv[arg]+2);
718 set_debug_options(n);
724 RtsFlags.GcFlags.maxStkSize =
725 decode(rts_argv[arg]+2) / sizeof(W_);
727 if (RtsFlags.GcFlags.maxStkSize == 0)
728 bad_option( rts_argv[arg] );
732 RtsFlags.GcFlags.initialStkSize =
733 decode(rts_argv[arg]+2) / sizeof(W_);
735 if (RtsFlags.GcFlags.initialStkSize == 0)
736 bad_option( rts_argv[arg] );
740 RtsFlags.GcFlags.maxHeapSize =
741 decode(rts_argv[arg]+2) / BLOCK_SIZE;
742 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
744 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
745 bad_option(rts_argv[arg]);
750 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
752 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
753 RtsFlags.GcFlags.pcFreeHeap > 100)
754 bad_option( rts_argv[arg] );
758 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
759 if (RtsFlags.GcFlags.generations < 1) {
760 bad_option(rts_argv[arg]);
765 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
766 if (RtsFlags.GcFlags.steps < 1) {
767 bad_option(rts_argv[arg]);
772 RtsFlags.GcFlags.heapSizeSuggestion =
773 decode(rts_argv[arg]+2) / BLOCK_SIZE;
775 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
776 bad_option(rts_argv[arg]);
780 #ifdef RTS_GTK_FRONTPANEL
782 RtsFlags.GcFlags.frontpanel = rtsTrue;
787 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
791 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
795 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
800 /* Opening all those files would almost certainly fail... */
801 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
802 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
804 RtsFlags.GcFlags.statsFile
805 = open_stats_file(arg, *argc, argv,
806 *rts_argc, rts_argv, STAT_FILENAME_FMT);
808 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
813 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
816 /* =========== PROFILING ========================== */
818 case 'P': /* detailed cost centre profiling (time/alloc) */
819 case 'p': /* cost centre profiling (time/alloc) */
820 COST_CENTRE_USING_BUILD_ONLY(
821 switch (rts_argv[arg][2]) {
823 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
826 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
829 if (rts_argv[arg][1] == 'P') {
830 RtsFlags.CcFlags.doCostCentres =
831 COST_CENTRES_VERBOSE;
833 RtsFlags.CcFlags.doCostCentres =
834 COST_CENTRES_SUMMARY;
841 PROFILING_BUILD_ONLY(
842 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
845 case 'h': /* serial heap profile */
846 #if !defined(PROFILING) && defined(DEBUG)
847 switch (rts_argv[arg][2]) {
850 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
853 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
856 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
860 PROFILING_BUILD_ONLY(
861 switch (rts_argv[arg][2]) {
875 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
877 char *left = strchr(rts_argv[arg], '{');
878 char *right = strrchr(rts_argv[arg], '}');
880 // curly braces are optional, for
885 left = rts_argv[arg] + 3;
888 right = rts_argv[arg] + strlen(rts_argv[arg]);
892 switch (rts_argv[arg][2]) {
893 case 'c': // cost centre label select
894 RtsFlags.ProfFlags.ccSelector = left;
897 RtsFlags.ProfFlags.ccsSelector = left;
900 case 'm': // cost centre module select
901 RtsFlags.ProfFlags.modSelector = left;
904 case 'd': // closure descr select
905 RtsFlags.ProfFlags.descrSelector = left;
908 case 'y': // closure type select
909 RtsFlags.ProfFlags.typeSelector = left;
912 case 'r': // retainer select
913 RtsFlags.ProfFlags.retainerSelector = left;
916 case 'b': // biography select
917 RtsFlags.ProfFlags.bioSelector = left;
924 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
925 prog_belch("multiple heap profile options");
930 switch (rts_argv[arg][2]) {
934 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
938 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
942 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
946 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
950 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
954 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
960 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
967 #if defined(PROFILING)
968 case 'i': /* heap sample interval */
969 if (rts_argv[arg][2] == '\0') {
974 /* Convert to milliseconds */
975 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
976 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
977 if (cst != 0 && cst < CS_MIN_MILLISECS)
978 cst = CS_MIN_MILLISECS;
980 RtsFlags.ProfFlags.profileInterval = cst;
985 /* =========== CONCURRENT ========================= */
986 case 'C': /* context switch interval */
987 if (rts_argv[arg][2] == '\0')
988 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
992 /* Convert to milliseconds */
993 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
994 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
995 if (cst != 0 && cst < CS_MIN_MILLISECS)
996 cst = CS_MIN_MILLISECS;
998 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1005 if (rts_argv[arg][2] != '\0') {
1006 RtsFlags.ParFlags.nNodes
1007 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1008 if (RtsFlags.ParFlags.nNodes <= 0) {
1009 prog_belch("bad value for -N");
1015 /* =========== PARALLEL =========================== */
1017 PAR_OR_SMP_BUILD_ONLY(
1018 if (rts_argv[arg][2] != '\0') {
1019 RtsFlags.ParFlags.maxLocalSparks
1020 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1021 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1022 prog_belch("bad value for -e");
1030 process_par_option(arg, rts_argc, rts_argv, &error);
1033 /* =========== GRAN =============================== */
1037 process_gran_option(arg, rts_argc, rts_argv, &error);
1040 /* =========== TICKY ============================== */
1042 case 'r': /* Basic profiling stats */
1045 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1046 RtsFlags.TickyFlags.tickyFile
1047 = open_stats_file(arg, *argc, argv,
1048 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1050 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1053 /* =========== EXTENDED OPTIONS =================== */
1055 case 'x': /* Extend the argument space */
1056 switch(rts_argv[arg][2]) {
1058 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1062 case 'c': /* Debugging tool: show current cost centre on an exception */
1063 PROFILING_BUILD_ONLY(
1064 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1067 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1070 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1074 break; /* defensive programming */
1076 /* =========== OH DEAR ============================ */
1078 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1088 for (p = usage_text; *p; p++)
1090 stg_exit(EXIT_FAILURE);
1096 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1097 //@subsection GranSim specific options
1100 enable_GranSimLight(void) {
1102 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1103 RtsFlags.GranFlags.Light=rtsTrue;
1104 RtsFlags.GranFlags.Costs.latency =
1105 RtsFlags.GranFlags.Costs.fetchtime =
1106 RtsFlags.GranFlags.Costs.additional_latency =
1107 RtsFlags.GranFlags.Costs.gunblocktime =
1108 RtsFlags.GranFlags.Costs.lunblocktime =
1109 RtsFlags.GranFlags.Costs.threadcreatetime =
1110 RtsFlags.GranFlags.Costs.threadqueuetime =
1111 RtsFlags.GranFlags.Costs.threadscheduletime =
1112 RtsFlags.GranFlags.Costs.threaddescheduletime =
1113 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1115 RtsFlags.GranFlags.Costs.mpacktime =
1116 RtsFlags.GranFlags.Costs.munpacktime = 0;
1118 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1119 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1120 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1121 /* FetchStrategy is irrelevant in GrAnSim-Light */
1123 /* GrAnSim Light often creates an abundance of parallel threads,
1124 each with its own stack etc. Therefore, it's in general a good
1125 idea to use small stack chunks (use the -o<size> option to
1128 // RtsFlags.ConcFlags.stkChunkSize = 100;
1130 RtsFlags.GranFlags.proc = 1;
1134 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1136 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1139 /* or a ridiculously idealised simulator */
1140 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1141 RtsFlags.GranFlags.Costs.latency =
1142 RtsFlags.GranFlags.Costs.fetchtime =
1143 RtsFlags.GranFlags.Costs.additional_latency =
1144 RtsFlags.GranFlags.Costs.gunblocktime =
1145 RtsFlags.GranFlags.Costs.lunblocktime =
1146 RtsFlags.GranFlags.Costs.threadcreatetime =
1147 RtsFlags.GranFlags.Costs.threadqueuetime =
1148 RtsFlags.GranFlags.Costs.threadscheduletime =
1149 RtsFlags.GranFlags.Costs.threaddescheduletime =
1150 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1152 RtsFlags.GranFlags.Costs.mpacktime =
1153 RtsFlags.GranFlags.Costs.munpacktime = 0;
1155 RtsFlags.GranFlags.Costs.arith_cost =
1156 RtsFlags.GranFlags.Costs.float_cost =
1157 RtsFlags.GranFlags.Costs.load_cost =
1158 RtsFlags.GranFlags.Costs.store_cost =
1159 RtsFlags.GranFlags.Costs.branch_cost = 0;
1161 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1163 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1164 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1165 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1166 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1170 /* or a somewhat idealised simulator */
1171 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1172 RtsFlags.GranFlags.Costs.latency =
1173 RtsFlags.GranFlags.Costs.fetchtime =
1174 RtsFlags.GranFlags.Costs.additional_latency =
1175 RtsFlags.GranFlags.Costs.gunblocktime =
1176 RtsFlags.GranFlags.Costs.lunblocktime =
1177 RtsFlags.GranFlags.Costs.threadcreatetime =
1178 RtsFlags.GranFlags.Costs.threadqueuetime =
1179 RtsFlags.GranFlags.Costs.threadscheduletime =
1180 RtsFlags.GranFlags.Costs.threaddescheduletime =
1181 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1183 RtsFlags.GranFlags.Costs.mpacktime =
1184 RtsFlags.GranFlags.Costs.munpacktime = 0;
1186 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1188 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1189 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1190 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1191 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1192 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1193 # if defined(GRAN_CHECK) && defined(GRAN)
1194 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1199 /* Communication and task creation cost parameters */
1200 switch(rts_argv[arg][2]) {
1202 IgnoreYields = rtsTrue; // HWL HACK
1206 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1210 if (rts_argv[arg][3] != '\0')
1212 RtsFlags.GranFlags.Costs.gunblocktime =
1213 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1214 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1217 RtsFlags.GranFlags.Costs.latency = LATENCY;
1221 if (rts_argv[arg][3] != '\0')
1222 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1224 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1228 if (rts_argv[arg][3] != '\0')
1229 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1231 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1235 if (rts_argv[arg][3] != '\0')
1236 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1238 RtsFlags.GranFlags.Costs.mtidytime = 0;
1242 if (rts_argv[arg][3] != '\0')
1243 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1245 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1249 if (rts_argv[arg][3] != '\0')
1250 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1252 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1256 if (rts_argv[arg][3] != '\0')
1257 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1259 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1263 if (rts_argv[arg][3] != '\0')
1264 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1266 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1269 /* Thread-related metrics */
1271 if (rts_argv[arg][3] != '\0')
1272 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1274 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1278 if (rts_argv[arg][3] != '\0')
1279 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1281 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1285 if (rts_argv[arg][3] != '\0')
1286 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1288 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1290 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1291 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1295 if (rts_argv[arg][3] != '\0')
1296 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1298 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1300 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1301 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1304 /* Instruction Cost Metrics */
1306 if (rts_argv[arg][3] != '\0')
1307 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1309 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1313 if (rts_argv[arg][3] != '\0')
1314 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1316 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1320 if (rts_argv[arg][3] != '\0')
1321 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1323 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1327 if (rts_argv[arg][3] != '\0')
1328 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1330 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1334 if (rts_argv[arg][3] != '\0')
1335 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1337 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1341 if (rts_argv[arg][3] != '\0')
1342 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1344 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1348 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1349 if (rts_argv[arg][3] != '\0')
1350 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1352 RtsFlags.GranFlags.FetchStrategy = 2;
1353 if (RtsFlags.GranFlags.FetchStrategy == 0)
1354 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1357 case 'K': /* sort overhead (per elem in spark list) */
1358 if (rts_argv[arg][3] != '\0')
1359 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1361 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1362 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1363 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1366 case 'O': /* sort overhead (per elem in spark list) */
1367 if (rts_argv[arg][3] != '\0')
1368 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1370 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1371 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1372 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1375 /* General Parameters */
1377 if (rts_argv[arg][3] != '\0')
1379 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1380 if (RtsFlags.GranFlags.proc==0) {
1381 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1382 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1383 RtsFlags.GranFlags.proc < 1)
1385 fprintf(stderr,"setupRtsFlags: no more than %u processors
1392 RtsFlags.GranFlags.proc = MAX_PROC;
1396 RtsFlags.GranFlags.Fishing = rtsTrue;
1397 if (rts_argv[arg][3] != '\0')
1398 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1400 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1404 if (rts_argv[arg][3] != '\0')
1405 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1407 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1411 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1412 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1416 fprintf(stderr,"Bulk fetching enabled.\n");
1417 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1421 fprintf(stderr,"Thread migration enabled.\n");
1422 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1426 fprintf(stderr,"Fair Scheduling enabled.\n");
1427 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1431 fprintf(stderr,"Priority Scheduling enabled.\n");
1432 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1436 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1437 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1441 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1445 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1449 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1453 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1457 /* format is -bP<c> where <c> is one char describing kind of profile */
1458 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1459 switch(rts_argv[arg][3]) {
1460 case '\0': break; // nothing special, just an ordinary profile
1461 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1463 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1465 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1467 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1469 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1471 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1473 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1478 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1482 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1485 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1486 if (rts_argv[arg][3] != '\0') {
1489 arg0 = rts_argv[arg]+3;
1490 if ((tmp = strstr(arg0,","))==NULL) {
1491 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1492 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1495 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1496 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1497 fprintf(stderr,"SparkPriority: %u.\n",
1498 RtsFlags.GranFlags.SparkPriority);
1499 fprintf(stderr,"SparkPriority2:%u.\n",
1500 RtsFlags.GranFlags.SparkPriority2);
1501 if (RtsFlags.GranFlags.SparkPriority2 <
1502 RtsFlags.GranFlags.SparkPriority) {
1503 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1504 RtsFlags.GranFlags.SparkPriority2,
1505 RtsFlags.GranFlags.SparkPriority);
1509 /* plain pri spark is now invoked with -bX
1510 RtsFlags.GranFlags.DoPrioritySparking = 1;
1511 fprintf(stderr,"PrioritySparking.\n");
1517 if (rts_argv[arg][3] != '\0') {
1518 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1520 RtsFlags.GranFlags.ThunksToPack = 1;
1522 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1523 RtsFlags.GranFlags.ThunksToPack);
1527 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1528 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1531 /* The following class of options contains eXperimental */
1532 /* features in connection with exploiting granularity */
1533 /* information. I.e. if -bY is chosen these options */
1534 /* tell the RTS what to do with the supplied info --HWL */
1537 if (rts_argv[arg][3] != '\0') {
1538 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1540 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1542 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1543 RtsFlags.GranFlags.packBufferSize_internal);
1547 switch(rts_argv[arg][3]) {
1550 RtsFlags.GranFlags.DoPrioritySparking = 1;
1551 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1552 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1553 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1554 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1558 RtsFlags.GranFlags.DoPrioritySparking = 1;
1559 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1560 RtsFlags.GranFlags.InversePriorities++;
1564 RtsFlags.GranFlags.DoPrioritySparking = 1;
1565 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1566 RtsFlags.GranFlags.RandomPriorities++;
1570 RtsFlags.GranFlags.DoPrioritySparking = 1;
1571 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1572 RtsFlags.GranFlags.IgnorePriorities++;
1576 bad_option( rts_argv[arg] );
1582 switch(rts_argv[arg][3]) {
1585 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1586 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1590 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1594 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1598 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1602 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1603 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1607 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1611 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1615 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1619 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1623 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1627 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1631 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1635 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1636 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1640 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1644 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1648 bad_option( rts_argv[arg] );
1653 # if defined(GRAN_CHECK) && defined(GRAN)
1655 switch(rts_argv[arg][3]) {
1656 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1657 if (rts_argv[arg][4] != '\0') {
1658 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1659 fprintf(stderr,"Pack buffer size: %d\n",
1660 RtsFlags.GranFlags.packBufferSize);
1662 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1668 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1669 /* hack warning: interpret the flags as a binary number */
1670 nat n = decode(rts_argv[arg]+3);
1671 set_GranSim_debug_options(n);
1674 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1675 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1678 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1679 fprintf(stderr, "Valid GranSim debug options are:\n");
1680 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1681 bad_option( rts_argv[arg] );
1682 } else { // flag found; now set it
1683 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1689 case 'e': /* event trace; also -bD1 */
1690 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1691 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1692 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1695 case 'E': /* event statistics; also -bD2 */
1696 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1697 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1698 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1701 case 'f': /* thunkStealing; also -bD4 */
1702 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1703 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1704 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1707 case 'z': /* blockOnFetch; also -bD8 */
1708 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1709 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1710 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1713 case 't': /* blockOnFetch_sanity; also -bD16 */
1714 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1715 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1716 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1719 case 'S': /* priSpark; also -bD32 */
1720 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1721 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1724 case 's': /* priSched; also -bD64 */
1725 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1726 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1729 case 'F': /* findWork; also -bD128 */
1730 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1731 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1734 case 'g': /* globalBlock; also -bD256 */
1735 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1736 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1739 case 'G': /* pack; also -bD512 */
1740 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1741 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1744 case 'P': /* packBuffer; also -bD1024 */
1745 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1746 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1749 case 'o': /* sortedQ; also -bD2048 */
1750 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1751 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1754 case 'r': /* randomSteal; also -bD4096 */
1755 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1756 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1759 case 'q': /* checkSparkQ; also -bD8192 */
1760 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1761 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1764 case ':': /* checkLight; also -bD16384 */
1765 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1766 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1769 case 'b': /* bq; also -bD32768 */
1770 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1771 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1774 case 'd': /* all options turned on */
1775 fprintf(stderr,"DEBUG: all options turned on.\n");
1776 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1777 /* RtsFlags.GranFlags.Debug |= 0x40; */
1781 /* RtsFlags.GranFlags.Debug = 1; */
1787 # endif /* GRAN_CHECK */
1789 bad_option( rts_argv[arg] );
1795 Interpret n as a binary number masking GranSim debug options and set the
1796 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1799 set_GranSim_debug_options(nat n) {
1802 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1804 fprintf(stderr, gran_debug_opts_strs[i]);
1806 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1807 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1808 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1809 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1810 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1811 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1812 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1813 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1814 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1815 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1816 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1817 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1818 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1819 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1820 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1821 default: barf("set_GranSim_debug_options: only %d debug options expected");
1827 Print one line explanation for each of the GranSim debug options specified
1831 help_GranSim_debug_options(nat n) {
1834 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1836 fprintf(stderr, gran_debug_opts_strs[i]);
1842 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1845 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1846 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1850 /* Communication and task creation cost parameters */
1851 switch(rts_argv[arg][2]) {
1852 case 'e': /* -qe<n> ... allow <n> local sparks */
1853 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1854 RtsFlags.ParFlags.maxLocalSparks
1855 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1857 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1858 belch("setupRtsFlags: bad value for -e\n");
1862 IF_PAR_DEBUG(verbose,
1863 belch("-qe<n>: max %d local sparks",
1864 RtsFlags.ParFlags.maxLocalSparks));
1868 if (rts_argv[arg][3] != '\0') {
1869 RtsFlags.ParFlags.maxThreads
1870 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1872 belch("setupRtsFlags: missing size for -qt\n");
1875 IF_PAR_DEBUG(verbose,
1876 belch("-qt<n>: max %d threads",
1877 RtsFlags.ParFlags.maxThreads));
1881 if (rts_argv[arg][3] != '\0')
1882 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1884 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1886 IF_PAR_DEBUG(verbose,
1887 belch("-qf<n>: max %d fishes sent out at one time",
1888 RtsFlags.ParFlags.maxFishes));
1892 if (rts_argv[arg][3] != '\0') {
1893 RtsFlags.ParFlags.fishDelay
1894 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1896 belch("setupRtsFlags: missing fish delay time for -qF\n");
1899 IF_PAR_DEBUG(verbose,
1900 belch("-qF<n>: fish delay time %d us",
1901 RtsFlags.ParFlags.fishDelay));
1905 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1906 IF_PAR_DEBUG(verbose,
1907 belch("-qO: output disabled"));
1910 case 'g': /* -qg<n> ... globalisation scheme */
1911 if (rts_argv[arg][3] != '\0') {
1912 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1914 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1917 IF_PAR_DEBUG(verbose,
1918 belch("-qg<n>: globalisation scheme set to %d",
1919 RtsFlags.ParFlags.globalising));
1922 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1923 if (rts_argv[arg][3] != '\0') {
1924 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1926 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1929 IF_PAR_DEBUG(verbose,
1930 belch("-qh<n>: thunks per packet set to %d",
1931 RtsFlags.ParFlags.thunksToPack));
1934 case 'P': /* -qP for writing a log file */
1935 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1936 /* same encoding as in GranSim after -bP */
1937 switch(rts_argv[arg][3]) {
1938 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1939 break; // nothing special, just an ordinary profile
1940 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1941 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1943 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1945 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1947 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1949 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1952 # if defined(PAR_TICKY)
1953 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1955 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1956 stg_exit(EXIT_FAILURE);
1959 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1961 IF_PAR_DEBUG(verbose,
1962 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1963 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1966 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1967 if (rts_argv[arg][3] != '\0') {
1968 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1970 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1973 IF_PAR_DEBUG(verbose,
1974 belch("-qQ<n>: pack buffer size set to %d",
1975 RtsFlags.ParFlags.packBufferSize));
1979 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1980 IF_PAR_DEBUG(verbose,
1981 belch("-qR: fair-ish scheduling"));
1986 if (rts_argv[arg][3] != '\0') {
1987 RtsFlags.ParFlags.wait
1988 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1990 RtsFlags.ParFlags.wait = 1000;
1992 IF_PAR_DEBUG(verbose,
1993 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1994 RtsFlags.ParFlags.wait));
1997 case 'D': /* -qD ... all the debugging options */
1998 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1999 /* hack warning: interpret the flags as a binary number */
2000 nat n = decode(rts_argv[arg]+3);
2001 set_par_debug_options(n);
2004 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2005 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2008 if (i==MAX_PAR_DEBUG_OPTION+1) {
2009 fprintf(stderr, "Valid GUM debug options are:\n");
2010 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2011 bad_option( rts_argv[arg] );
2012 } else { // flag found; now set it
2013 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2019 belch("Unknown option -q%c (%d opts in total)",
2020 rts_argv[arg][2], *rts_argc);
2026 Interpret n as a binary number masking Par debug options and set the
2027 correxponding option. See par_debug_opts_strs for explanations of the flags.
2030 set_par_debug_options(nat n) {
2033 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2035 fprintf(stderr, par_debug_opts_strs[i]);
2037 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2038 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2039 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2040 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2041 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2042 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2043 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2044 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2045 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2046 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2047 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2048 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2049 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2050 default: barf("set_par_debug_options: only %d debug options expected",
2051 MAX_PAR_DEBUG_OPTION);
2057 Print one line explanation for each of the GranSim debug options specified
2061 help_par_debug_options(nat n) {
2064 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2066 fprintf(stderr, par_debug_opts_strs[i]);
2073 set_debug_options(nat n) {
2076 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2078 fprintf(stderr, debug_opts_strs[i]);
2080 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
2081 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
2082 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
2083 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
2084 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
2085 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
2086 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
2087 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
2088 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
2089 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
2090 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
2091 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
2092 case 12: RtsFlags.DebugFlags.linker = rtsTrue; break;
2093 default: barf("set_debug_options: only %d debug options expected",
2100 help_debug_options(nat n) {
2103 for (i=0; i<=MAX_DEBUG_OPTION; i++)
2105 fprintf(stderr, debug_opts_strs[i]);
2109 //@node Aux fcts, , GranSim specific options
2110 //@subsection Aux fcts
2112 static FILE * /* return NULL on error */
2115 int argc, char *argv[],
2116 int rts_argc, char *rts_argv[],
2117 const char *FILENAME_FMT)
2121 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2123 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2124 f = fopen(rts_argv[arg]+2,"w");
2126 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2127 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2128 f = fopen(stats_filename,"w");
2131 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2133 /* Write argv and rtsv into start of stats file */
2135 for(count = 0; count < argc; count++)
2136 fprintf(f, "%s ", argv[count]);
2137 fprintf(f, "+RTS ");
2138 for(count = 0; count < rts_argc; count++)
2139 fprintf(f, "%s ", rts_argv[count]);
2147 decode(const char *s)
2158 if (c == 'g' || c == 'G')
2159 m *= 1000*1000*1000; /* UNchecked! */
2160 else if (c == 'm' || c == 'M')
2161 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2162 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2163 m *= 1000; /* a direct-mapped cache. */
2164 else if (c == 'w' || c == 'W')
2171 bad_option(const char *s)
2173 prog_belch("bad RTS option: %s", s);
2174 stg_exit(EXIT_FAILURE);