1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.67 2003/03/25 17:26:08 sof Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
24 #include "PosixSource.h"
28 #include "BlockAlloc.h"
29 #include "Timer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
39 extern struct RTS_FLAGS RtsFlags;
42 * Split argument lists
44 int prog_argc = 0; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 int rts_argc = 0; /* ditto */
47 char *rts_argv[MAX_RTS_ARGS];
49 //@node Constants, Static function decls, Includes
50 //@subsection Constants
53 * constants, used later
58 char *debug_opts_prefix[] = {
60 "_.", /* interpreter */
76 char *gran_debug_opts_strs[] = {
77 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
78 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
79 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
80 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
81 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
82 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
83 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
84 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
85 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
86 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
87 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
88 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
89 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
90 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
91 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
94 /* one character codes for the available debug options */
95 char gran_debug_opts_flags[] = {
96 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
99 /* prefix strings printed with the debug messages of the corresponding type */
100 char *gran_debug_opts_prefix[] = {
101 "", /* event_trace */
102 "", /* event_stats */
105 "^^", /* checkSparkQ */
106 "==", /* thunkStealing */
107 "^^", /* randomSteal */
111 "::", /* checkLight */
113 "", /* blockOnFetch */
115 "" /* blockOnFetch_sanity */
120 char *par_debug_opts_strs[] = {
121 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
122 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
123 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
124 "DEBUG (-qDe, -qD8): free; free messages.\n",
125 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
126 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
127 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
128 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
129 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
130 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
131 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
132 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
133 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
134 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
137 /* one character codes for the available debug options */
138 char par_debug_opts_flags[] = {
139 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
142 /* prefix strings printed with the debug messages of the corresponding type */
143 char *par_debug_opts_prefix[] = {
161 //@node Static function decls, Command-line option parsing routines, Constants
162 //@subsection Static function decls
164 /* -----------------------------------------------------------------------------
165 Static function decls
166 -------------------------------------------------------------------------- */
168 static FILE * /* return NULL on error */
171 int argc, char *argv[],
172 int rts_argc, char *rts_argv[],
173 const char *FILENAME_FMT);
175 static I_ decode(const char *s);
176 static void bad_option(const char *s);
179 static void enable_GranSimLight(void);
180 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
181 static void set_GranSim_debug_options(nat n);
182 static void help_GranSim_debug_options(nat n);
184 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
185 static void set_par_debug_options(nat n);
186 static void help_par_debug_options(nat n);
189 //@node Command-line option parsing routines, GranSim specific options, Static function decls
190 //@subsection Command-line option parsing routines
192 /* -----------------------------------------------------------------------------
193 * Command-line option parsing routines.
194 * ---------------------------------------------------------------------------*/
196 void initRtsFlagsDefaults(void)
198 RtsFlags.GcFlags.statsFile = NULL;
199 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
201 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
202 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
204 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
205 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
206 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
207 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
208 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
209 RtsFlags.GcFlags.oldGenFactor = 2;
211 /* A hack currently needed for GUM -- HWL */
212 RtsFlags.GcFlags.generations = 1;
213 RtsFlags.GcFlags.steps = 2;
214 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
216 RtsFlags.GcFlags.generations = 2;
217 RtsFlags.GcFlags.steps = 2;
218 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
220 RtsFlags.GcFlags.compact = rtsFalse;
221 RtsFlags.GcFlags.compactThreshold = 30.0;
222 #ifdef RTS_GTK_FRONTPANEL
223 RtsFlags.GcFlags.frontpanel = rtsFalse;
227 RtsFlags.DebugFlags.scheduler = rtsFalse;
228 RtsFlags.DebugFlags.interpreter = rtsFalse;
229 RtsFlags.DebugFlags.codegen = rtsFalse;
230 RtsFlags.DebugFlags.weak = rtsFalse;
231 RtsFlags.DebugFlags.gccafs = rtsFalse;
232 RtsFlags.DebugFlags.gc = rtsFalse;
233 RtsFlags.DebugFlags.block_alloc = rtsFalse;
234 RtsFlags.DebugFlags.sanity = rtsFalse;
235 RtsFlags.DebugFlags.stable = rtsFalse;
236 RtsFlags.DebugFlags.prof = rtsFalse;
237 RtsFlags.DebugFlags.gran = rtsFalse;
238 RtsFlags.DebugFlags.par = rtsFalse;
239 RtsFlags.DebugFlags.linker = rtsFalse;
242 #if defined(PROFILING) || defined(PAR)
243 RtsFlags.CcFlags.doCostCentres = 0;
244 #endif /* PROFILING or PAR */
247 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
248 RtsFlags.ProfFlags.profileInterval = 100;
249 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
250 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
251 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
252 RtsFlags.ProfFlags.modSelector = NULL;
253 RtsFlags.ProfFlags.descrSelector = NULL;
254 RtsFlags.ProfFlags.typeSelector = NULL;
255 RtsFlags.ProfFlags.ccSelector = NULL;
256 RtsFlags.ProfFlags.ccsSelector = NULL;
257 RtsFlags.ProfFlags.retainerSelector = NULL;
258 RtsFlags.ProfFlags.bioSelector = NULL;
261 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
264 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
267 RtsFlags.ParFlags.nNodes = 1;
271 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
272 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
273 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
274 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
275 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
276 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
277 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
279 RtsFlags.ParFlags.outputDisabled = rtsFalse;
281 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
283 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
285 RtsFlags.ParFlags.packBufferSize = 1024;
286 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
287 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
288 RtsFlags.ParFlags.maxThreads = 1024;
289 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
290 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
293 #if defined(PAR) || defined(SMP)
294 RtsFlags.ParFlags.maxLocalSparks = 4096;
295 #endif /* PAR || SMP */
298 /* ToDo: check defaults for GranSim and GUM */
299 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
300 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
302 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
303 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
304 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
305 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
306 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
307 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
308 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
309 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
311 RtsFlags.GranFlags.packBufferSize = 1024;
312 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
314 RtsFlags.GranFlags.proc = MAX_PROC;
315 RtsFlags.GranFlags.Fishing = rtsFalse;
316 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
317 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
318 RtsFlags.GranFlags.Light = rtsFalse;
320 RtsFlags.GranFlags.Costs.latency = LATENCY;
321 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
322 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
323 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
324 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
325 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
326 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
327 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
329 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
330 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
331 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
332 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
333 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
335 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
336 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
337 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
338 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
339 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
341 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
343 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
344 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
346 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
347 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
348 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
349 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
350 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
351 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
352 RtsFlags.GranFlags.FetchStrategy = 2;
353 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
354 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
355 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
356 RtsFlags.GranFlags.SparkPriority = 0;
357 RtsFlags.GranFlags.SparkPriority2 = 0;
358 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
359 RtsFlags.GranFlags.InversePriorities = rtsFalse;
360 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
361 RtsFlags.GranFlags.ThunksToPack = 0;
362 RtsFlags.GranFlags.RandomSteal = rtsTrue;
366 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
367 RtsFlags.TickyFlags.tickyFile = NULL;
374 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
376 " +RTS Indicates run time system options follow",
377 " -RTS Indicates program arguments follow",
378 " --RTS Indicates that ALL subsequent arguments will be given to the",
379 " program (including any of these RTS flags)",
381 "The following run time system options are available:",
383 " -? Prints this message and exits; the program is not executed",
385 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
386 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
388 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
389 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
390 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
391 " -m<n> Minimum % of heap which must be available (default 3%)",
392 " -G<n> Number of generations (default: 2)",
393 " -T<n> Number of steps in younger generations (default: 2)",
394 " -c<n> Auto-enable compaction of the oldest generation when live data is",
395 " at least <n>% of the maximum heap size set with -M (default: 30%)",
396 " -c Enable compaction for all major collections",
398 " -t<file> One-line GC statistics (default file: <program>.stat)",
399 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
400 " -S<file> Detailed GC statistics",
401 #ifdef RTS_GTK_FRONTPANEL
402 " -f Display front panel (requires X11 & GTK+)",
406 " -Z Don't squeeze out update frames on stack overflow",
407 " -B Sound the bell at the start of each garbage collection",
408 #if defined(PROFILING) || defined(PAR)
410 " -px Time/allocation profile (XML) (output file <program>.prof)",
411 " -p Time/allocation profile (output file <program>.prof)",
412 " -P More detailed Time/Allocation profile",
413 " -Pa Give information about *all* cost centres",
415 # if defined(PROFILING)
417 " -hx Heap residency profile (XML) (output file <program>.prof)",
418 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
419 " break-down: c = cost centre stack (default)",
421 " d = closure description",
422 " y = type description",
424 " b = biography (LAG,DRAG,VOID,USE)",
425 " A subset of closures may be selected thusly:",
426 " -hc<cc>,... specific cost centre(s) (top of stack only)",
427 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
428 " -hm<mod>... all cost centres from the specified modules(s)",
429 " -hd<des>,... closures with specified closure descriptions",
430 " -hy<typ>... closures with specified type descriptions",
431 " -hr<cc>... closures with specified retainers",
432 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
434 " -R<size> Set the maximum retainer set size (default: 8)",
436 " -i<sec> Time between heap samples (seconds, default: 0.1)",
438 " -xt Include threads (TSOs) in a heap profile",
440 " -xc Show current cost centre stack on raising an exception",
442 #endif /* PROFILING or PAR */
443 #if !defined(PROFILING) && defined(DEBUG)
445 " -h<break-down> Debugging Heap residency profile",
446 " (output file <program>.hp)",
447 " break-down: L = closure label (default)",
448 " T = closure type (constructor, thunk etc.)",
451 #if defined(TICKY_TICKY)
452 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
456 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
457 /* NB: the -N<n> is implemented by the driver!! */
459 " -C<secs> Context-switch interval in seconds",
460 " (0 or no argument means switch as often as possible)",
461 " the default is .02 sec; resolution is .02 sec",
464 " -Ds DEBUG: scheduler",
465 " -Di DEBUG: interpreter",
466 " -Dc DEBUG: codegen",
468 " -DG DEBUG: gccafs",
471 " -DS DEBUG: sanity",
472 " -Dt DEBUG: stable",
476 " -Dl DEBUG: linker",
480 " -N<n> Use <n> OS threads (default: 1)",
482 #if defined(SMP) || defined(PAR)
483 " -e<size> Size of spark pools (default 100)",
486 " -t<num> Set maximum number of advisory threads per PE (default 32)",
487 " -qP Enable activity profile (output files in ~/<program>*.gr)",
488 " -qQ<size> Set pack-buffer size (default: 1024)",
489 " -qd Turn on PVM-ish debugging",
490 " -qO Disable output for performance measurement",
492 #if defined(SMP) || defined(PAR)
493 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
496 " -d Turn on PVM-ish debugging",
497 " -O Disable output for performance measurement",
499 #if defined(GRAN) /* ToDo: fill in decent Docu here */
500 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
503 "RTS options may also be specified using the GHCRTS environment variable.",
505 "Other RTS options may be available for programs compiled a different way.",
506 "The GHC User's Guide has full details.",
511 static __inline__ rtsBool
512 strequal(const char *a, const char * b)
514 return(strcmp(a, b) == 0);
518 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
524 while (isspace(*c1)) { c1++; };
526 while (!isspace(*c2) && *c2 != '\0') { c2++; };
528 if (c1 == c2) { break; }
530 if (*rts_argc < MAX_RTS_ARGS-1) {
531 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
532 strncpy(s, c1, c2-c1);
534 rts_argv[(*rts_argc)++] = s;
536 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
540 } while (*c1 != '\0');
544 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
546 rtsBool error = rtsFalse;
551 /* Remove directory from argv[0] -- default files in current directory */
553 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
554 strcpy(argv[0], last_slash+1);
562 // process arguments from the ghc_rts_opts global variable first.
563 // (arguments from the GHCRTS environment variable and the command
564 // line override these).
566 if (ghc_rts_opts != NULL) {
567 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
571 // process arguments from the GHCRTS environment variable next
572 // (arguments from the command line override these).
574 char *ghc_rts = getenv("GHCRTS");
576 if (ghc_rts != NULL) {
577 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
581 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
582 // argv[0] must be PGM argument -- leave in argv
584 for (mode = PGM; arg < total_arg; arg++) {
585 // The '--RTS' argument disables all future +RTS ... -RTS processing.
586 if (strequal("--RTS", argv[arg])) {
590 // The '--' argument is passed through to the program, but
591 // disables all further +RTS ... -RTS processing.
592 else if (strequal("--", argv[arg])) {
595 else if (strequal("+RTS", argv[arg])) {
598 else if (strequal("-RTS", argv[arg])) {
601 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
602 rts_argv[(*rts_argc)++] = argv[arg];
604 else if (mode == PGM) {
605 argv[(*argc)++] = argv[arg];
608 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
611 // process remaining program arguments
612 for (; arg < total_arg; arg++) {
613 argv[(*argc)++] = argv[arg];
615 argv[*argc] = (char *) 0;
616 rts_argv[*rts_argc] = (char *) 0;
618 // Process RTS (rts_argv) part: mainly to determine statsfile
619 for (arg = 0; arg < *rts_argc; arg++) {
620 if (rts_argv[arg][0] != '-') {
622 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
626 switch(rts_argv[arg][1]) {
628 /* process: general args, then PROFILING-only ones,
629 then CONCURRENT-only, PARallel-only, GRAN-only,
630 TICKY-only (same order as defined in RtsFlags.lh);
631 within those groups, mostly in case-insensitive
633 Final group is x*, which allows for more options.
637 # define TICKY_BUILD_ONLY(x) x
639 # define TICKY_BUILD_ONLY(x) \
640 prog_belch("GHC not built for: ticky-ticky stats"); \
644 #if defined(PROFILING)
645 # define COST_CENTRE_USING_BUILD_ONLY(x) x
647 # define COST_CENTRE_USING_BUILD_ONLY(x) \
648 prog_belch("GHC not built for: -prof or -parallel"); \
653 # define PROFILING_BUILD_ONLY(x) x
655 # define PROFILING_BUILD_ONLY(x) \
656 prog_belch("GHC not built for: -prof"); \
661 # define SMP_BUILD_ONLY(x) x
663 # define SMP_BUILD_ONLY(x) \
664 prog_belch("GHC not built for: -smp"); \
669 # define PAR_BUILD_ONLY(x) x
671 # define PAR_BUILD_ONLY(x) \
672 prog_belch("GHC not built for: -parallel"); \
676 #if defined(SMP) || defined(PAR)
677 # define PAR_OR_SMP_BUILD_ONLY(x) x
679 # define PAR_OR_SMP_BUILD_ONLY(x) \
680 prog_belch("GHC not built for: -parallel or -smp"); \
685 # define GRAN_BUILD_ONLY(x) x
687 # define GRAN_BUILD_ONLY(x) \
688 prog_belch("GHC not built for: -gransim"); \
692 /* =========== GENERAL ========================== */
698 RtsFlags.GcFlags.minAllocAreaSize
699 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
700 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
701 bad_option(rts_argv[arg]);
706 RtsFlags.GcFlags.ringBell = rtsTrue;
710 if (rts_argv[arg][2] != '\0') {
711 RtsFlags.GcFlags.compactThreshold =
712 atof(rts_argv[arg]+2);
714 RtsFlags.GcFlags.compact = rtsTrue;
719 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
721 if (RtsFlags.GcFlags.oldGenFactor < 0)
722 bad_option( rts_argv[arg] );
730 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
733 RtsFlags.DebugFlags.scheduler = rtsTrue;
736 RtsFlags.DebugFlags.interpreter = rtsTrue;
739 RtsFlags.DebugFlags.codegen = rtsTrue;
742 RtsFlags.DebugFlags.weak = rtsTrue;
745 RtsFlags.DebugFlags.gccafs = rtsTrue;
748 RtsFlags.DebugFlags.gc = rtsTrue;
751 RtsFlags.DebugFlags.block_alloc = rtsTrue;
754 RtsFlags.DebugFlags.sanity = rtsTrue;
757 RtsFlags.DebugFlags.stable = rtsTrue;
760 RtsFlags.DebugFlags.prof = rtsTrue;
763 RtsFlags.DebugFlags.gran = rtsTrue;
766 RtsFlags.DebugFlags.par = rtsTrue;
769 RtsFlags.DebugFlags.linker = rtsTrue;
772 RtsFlags.DebugFlags.apply = rtsTrue;
775 bad_option( rts_argv[arg] );
783 RtsFlags.GcFlags.maxStkSize =
784 decode(rts_argv[arg]+2) / sizeof(W_);
786 if (RtsFlags.GcFlags.maxStkSize == 0)
787 bad_option( rts_argv[arg] );
791 RtsFlags.GcFlags.initialStkSize =
792 decode(rts_argv[arg]+2) / sizeof(W_);
794 if (RtsFlags.GcFlags.initialStkSize == 0)
795 bad_option( rts_argv[arg] );
799 RtsFlags.GcFlags.maxHeapSize =
800 decode(rts_argv[arg]+2) / BLOCK_SIZE;
801 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
803 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
804 bad_option(rts_argv[arg]);
809 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
811 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
812 RtsFlags.GcFlags.pcFreeHeap > 100)
813 bad_option( rts_argv[arg] );
817 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
818 if (RtsFlags.GcFlags.generations < 1) {
819 bad_option(rts_argv[arg]);
824 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
825 if (RtsFlags.GcFlags.steps < 1) {
826 bad_option(rts_argv[arg]);
831 RtsFlags.GcFlags.heapSizeSuggestion =
832 decode(rts_argv[arg]+2) / BLOCK_SIZE;
834 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
835 bad_option(rts_argv[arg]);
839 #ifdef RTS_GTK_FRONTPANEL
841 RtsFlags.GcFlags.frontpanel = rtsTrue;
846 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
850 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
854 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
859 /* Opening all those files would almost certainly fail... */
860 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
861 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
863 RtsFlags.GcFlags.statsFile
864 = open_stats_file(arg, *argc, argv,
865 *rts_argc, rts_argv, STAT_FILENAME_FMT);
867 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
872 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
875 /* =========== PROFILING ========================== */
877 case 'P': /* detailed cost centre profiling (time/alloc) */
878 case 'p': /* cost centre profiling (time/alloc) */
879 COST_CENTRE_USING_BUILD_ONLY(
880 switch (rts_argv[arg][2]) {
882 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
885 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
888 if (rts_argv[arg][1] == 'P') {
889 RtsFlags.CcFlags.doCostCentres =
890 COST_CENTRES_VERBOSE;
892 RtsFlags.CcFlags.doCostCentres =
893 COST_CENTRES_SUMMARY;
900 PROFILING_BUILD_ONLY(
901 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
904 case 'h': /* serial heap profile */
905 #if !defined(PROFILING) && defined(DEBUG)
906 switch (rts_argv[arg][2]) {
909 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
912 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
915 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
919 PROFILING_BUILD_ONLY(
920 switch (rts_argv[arg][2]) {
934 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
936 char *left = strchr(rts_argv[arg], '{');
937 char *right = strrchr(rts_argv[arg], '}');
939 // curly braces are optional, for
944 left = rts_argv[arg] + 3;
947 right = rts_argv[arg] + strlen(rts_argv[arg]);
951 switch (rts_argv[arg][2]) {
952 case 'c': // cost centre label select
953 RtsFlags.ProfFlags.ccSelector = left;
956 RtsFlags.ProfFlags.ccsSelector = left;
959 case 'm': // cost centre module select
960 RtsFlags.ProfFlags.modSelector = left;
963 case 'd': // closure descr select
964 RtsFlags.ProfFlags.descrSelector = left;
967 case 'y': // closure type select
968 RtsFlags.ProfFlags.typeSelector = left;
971 case 'r': // retainer select
972 RtsFlags.ProfFlags.retainerSelector = left;
975 case 'b': // biography select
976 RtsFlags.ProfFlags.bioSelector = left;
983 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
984 prog_belch("multiple heap profile options");
989 switch (rts_argv[arg][2]) {
993 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
997 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1001 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1005 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1009 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1013 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1019 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
1026 #if defined(PROFILING)
1027 case 'i': /* heap sample interval */
1028 if (rts_argv[arg][2] == '\0') {
1033 /* Convert to milliseconds */
1034 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1035 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1036 if (cst != 0 && cst < CS_MIN_MILLISECS)
1037 cst = CS_MIN_MILLISECS;
1039 RtsFlags.ProfFlags.profileInterval = cst;
1044 /* =========== CONCURRENT ========================= */
1045 case 'C': /* context switch interval */
1046 if (rts_argv[arg][2] == '\0')
1047 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1051 /* Convert to milliseconds */
1052 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1053 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1054 if (cst != 0 && cst < CS_MIN_MILLISECS)
1055 cst = CS_MIN_MILLISECS;
1057 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1064 if (rts_argv[arg][2] != '\0') {
1065 RtsFlags.ParFlags.nNodes
1066 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1067 if (RtsFlags.ParFlags.nNodes <= 0) {
1068 prog_belch("bad value for -N");
1074 /* =========== PARALLEL =========================== */
1076 PAR_OR_SMP_BUILD_ONLY(
1077 if (rts_argv[arg][2] != '\0') {
1078 RtsFlags.ParFlags.maxLocalSparks
1079 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1080 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1081 prog_belch("bad value for -e");
1089 process_par_option(arg, rts_argc, rts_argv, &error);
1092 /* =========== GRAN =============================== */
1096 process_gran_option(arg, rts_argc, rts_argv, &error);
1099 /* =========== TICKY ============================== */
1101 case 'r': /* Basic profiling stats */
1104 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1105 RtsFlags.TickyFlags.tickyFile
1106 = open_stats_file(arg, *argc, argv,
1107 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1109 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1112 /* =========== EXTENDED OPTIONS =================== */
1114 case 'x': /* Extend the argument space */
1115 switch(rts_argv[arg][2]) {
1117 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1121 case 'c': /* Debugging tool: show current cost centre on an exception */
1122 PROFILING_BUILD_ONLY(
1123 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1127 case 't': /* Include memory used by TSOs in a heap profile */
1128 PROFILING_BUILD_ONLY(
1129 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1133 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1136 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1140 break; /* defensive programming */
1142 /* =========== OH DEAR ============================ */
1144 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1154 for (p = usage_text; *p; p++)
1156 stg_exit(EXIT_FAILURE);
1162 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1163 //@subsection GranSim specific options
1166 enable_GranSimLight(void) {
1168 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1169 RtsFlags.GranFlags.Light=rtsTrue;
1170 RtsFlags.GranFlags.Costs.latency =
1171 RtsFlags.GranFlags.Costs.fetchtime =
1172 RtsFlags.GranFlags.Costs.additional_latency =
1173 RtsFlags.GranFlags.Costs.gunblocktime =
1174 RtsFlags.GranFlags.Costs.lunblocktime =
1175 RtsFlags.GranFlags.Costs.threadcreatetime =
1176 RtsFlags.GranFlags.Costs.threadqueuetime =
1177 RtsFlags.GranFlags.Costs.threadscheduletime =
1178 RtsFlags.GranFlags.Costs.threaddescheduletime =
1179 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1181 RtsFlags.GranFlags.Costs.mpacktime =
1182 RtsFlags.GranFlags.Costs.munpacktime = 0;
1184 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1185 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1186 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1187 /* FetchStrategy is irrelevant in GrAnSim-Light */
1189 /* GrAnSim Light often creates an abundance of parallel threads,
1190 each with its own stack etc. Therefore, it's in general a good
1191 idea to use small stack chunks (use the -o<size> option to
1194 // RtsFlags.ConcFlags.stkChunkSize = 100;
1196 RtsFlags.GranFlags.proc = 1;
1200 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1202 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1205 /* or a ridiculously idealised simulator */
1206 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1207 RtsFlags.GranFlags.Costs.latency =
1208 RtsFlags.GranFlags.Costs.fetchtime =
1209 RtsFlags.GranFlags.Costs.additional_latency =
1210 RtsFlags.GranFlags.Costs.gunblocktime =
1211 RtsFlags.GranFlags.Costs.lunblocktime =
1212 RtsFlags.GranFlags.Costs.threadcreatetime =
1213 RtsFlags.GranFlags.Costs.threadqueuetime =
1214 RtsFlags.GranFlags.Costs.threadscheduletime =
1215 RtsFlags.GranFlags.Costs.threaddescheduletime =
1216 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1218 RtsFlags.GranFlags.Costs.mpacktime =
1219 RtsFlags.GranFlags.Costs.munpacktime = 0;
1221 RtsFlags.GranFlags.Costs.arith_cost =
1222 RtsFlags.GranFlags.Costs.float_cost =
1223 RtsFlags.GranFlags.Costs.load_cost =
1224 RtsFlags.GranFlags.Costs.store_cost =
1225 RtsFlags.GranFlags.Costs.branch_cost = 0;
1227 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1229 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1230 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1231 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1232 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1236 /* or a somewhat idealised simulator */
1237 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1238 RtsFlags.GranFlags.Costs.latency =
1239 RtsFlags.GranFlags.Costs.fetchtime =
1240 RtsFlags.GranFlags.Costs.additional_latency =
1241 RtsFlags.GranFlags.Costs.gunblocktime =
1242 RtsFlags.GranFlags.Costs.lunblocktime =
1243 RtsFlags.GranFlags.Costs.threadcreatetime =
1244 RtsFlags.GranFlags.Costs.threadqueuetime =
1245 RtsFlags.GranFlags.Costs.threadscheduletime =
1246 RtsFlags.GranFlags.Costs.threaddescheduletime =
1247 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1249 RtsFlags.GranFlags.Costs.mpacktime =
1250 RtsFlags.GranFlags.Costs.munpacktime = 0;
1252 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1254 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1255 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1256 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1257 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1258 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1259 # if defined(GRAN_CHECK) && defined(GRAN)
1260 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1265 /* Communication and task creation cost parameters */
1266 switch(rts_argv[arg][2]) {
1268 IgnoreYields = rtsTrue; // HWL HACK
1272 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1276 if (rts_argv[arg][3] != '\0')
1278 RtsFlags.GranFlags.Costs.gunblocktime =
1279 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1280 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1283 RtsFlags.GranFlags.Costs.latency = LATENCY;
1287 if (rts_argv[arg][3] != '\0')
1288 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1290 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1294 if (rts_argv[arg][3] != '\0')
1295 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1297 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1301 if (rts_argv[arg][3] != '\0')
1302 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1304 RtsFlags.GranFlags.Costs.mtidytime = 0;
1308 if (rts_argv[arg][3] != '\0')
1309 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1311 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1315 if (rts_argv[arg][3] != '\0')
1316 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1318 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1322 if (rts_argv[arg][3] != '\0')
1323 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1325 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1329 if (rts_argv[arg][3] != '\0')
1330 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1332 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1335 /* Thread-related metrics */
1337 if (rts_argv[arg][3] != '\0')
1338 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1340 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1344 if (rts_argv[arg][3] != '\0')
1345 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1347 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1351 if (rts_argv[arg][3] != '\0')
1352 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1354 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1356 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1357 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1361 if (rts_argv[arg][3] != '\0')
1362 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1364 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1366 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1367 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1370 /* Instruction Cost Metrics */
1372 if (rts_argv[arg][3] != '\0')
1373 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1375 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1379 if (rts_argv[arg][3] != '\0')
1380 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1382 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1386 if (rts_argv[arg][3] != '\0')
1387 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1389 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1393 if (rts_argv[arg][3] != '\0')
1394 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1396 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1400 if (rts_argv[arg][3] != '\0')
1401 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1403 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1407 if (rts_argv[arg][3] != '\0')
1408 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1410 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1414 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1415 if (rts_argv[arg][3] != '\0')
1416 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1418 RtsFlags.GranFlags.FetchStrategy = 2;
1419 if (RtsFlags.GranFlags.FetchStrategy == 0)
1420 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1423 case 'K': /* sort overhead (per elem in spark list) */
1424 if (rts_argv[arg][3] != '\0')
1425 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1427 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1428 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1429 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1432 case 'O': /* sort overhead (per elem in spark list) */
1433 if (rts_argv[arg][3] != '\0')
1434 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1436 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1437 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1438 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1441 /* General Parameters */
1443 if (rts_argv[arg][3] != '\0')
1445 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1446 if (RtsFlags.GranFlags.proc==0) {
1447 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1448 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1449 RtsFlags.GranFlags.proc < 1)
1451 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1457 RtsFlags.GranFlags.proc = MAX_PROC;
1461 RtsFlags.GranFlags.Fishing = rtsTrue;
1462 if (rts_argv[arg][3] != '\0')
1463 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1465 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1469 if (rts_argv[arg][3] != '\0')
1470 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1472 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1476 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1477 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1481 fprintf(stderr,"Bulk fetching enabled.\n");
1482 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1486 fprintf(stderr,"Thread migration enabled.\n");
1487 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1491 fprintf(stderr,"Fair Scheduling enabled.\n");
1492 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1496 fprintf(stderr,"Priority Scheduling enabled.\n");
1497 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1501 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1502 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1506 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1510 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1514 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1518 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1522 /* format is -bP<c> where <c> is one char describing kind of profile */
1523 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1524 switch(rts_argv[arg][3]) {
1525 case '\0': break; // nothing special, just an ordinary profile
1526 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1528 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1530 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1532 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1534 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1536 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1538 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1543 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1547 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1550 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1551 if (rts_argv[arg][3] != '\0') {
1554 arg0 = rts_argv[arg]+3;
1555 if ((tmp = strstr(arg0,","))==NULL) {
1556 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1557 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1560 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1561 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1562 fprintf(stderr,"SparkPriority: %u.\n",
1563 RtsFlags.GranFlags.SparkPriority);
1564 fprintf(stderr,"SparkPriority2:%u.\n",
1565 RtsFlags.GranFlags.SparkPriority2);
1566 if (RtsFlags.GranFlags.SparkPriority2 <
1567 RtsFlags.GranFlags.SparkPriority) {
1568 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1569 RtsFlags.GranFlags.SparkPriority2,
1570 RtsFlags.GranFlags.SparkPriority);
1574 /* plain pri spark is now invoked with -bX
1575 RtsFlags.GranFlags.DoPrioritySparking = 1;
1576 fprintf(stderr,"PrioritySparking.\n");
1582 if (rts_argv[arg][3] != '\0') {
1583 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1585 RtsFlags.GranFlags.ThunksToPack = 1;
1587 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1588 RtsFlags.GranFlags.ThunksToPack);
1592 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1593 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1596 /* The following class of options contains eXperimental */
1597 /* features in connection with exploiting granularity */
1598 /* information. I.e. if -bY is chosen these options */
1599 /* tell the RTS what to do with the supplied info --HWL */
1602 if (rts_argv[arg][3] != '\0') {
1603 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1605 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1607 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1608 RtsFlags.GranFlags.packBufferSize_internal);
1612 switch(rts_argv[arg][3]) {
1615 RtsFlags.GranFlags.DoPrioritySparking = 1;
1616 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1617 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1618 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1619 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1623 RtsFlags.GranFlags.DoPrioritySparking = 1;
1624 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1625 RtsFlags.GranFlags.InversePriorities++;
1629 RtsFlags.GranFlags.DoPrioritySparking = 1;
1630 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1631 RtsFlags.GranFlags.RandomPriorities++;
1635 RtsFlags.GranFlags.DoPrioritySparking = 1;
1636 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1637 RtsFlags.GranFlags.IgnorePriorities++;
1641 bad_option( rts_argv[arg] );
1647 switch(rts_argv[arg][3]) {
1650 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1651 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1655 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1659 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1663 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1667 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1668 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1672 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1676 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1680 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1684 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1688 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1692 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1696 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1700 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1701 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1705 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1709 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1713 bad_option( rts_argv[arg] );
1718 # if defined(GRAN_CHECK) && defined(GRAN)
1720 switch(rts_argv[arg][3]) {
1721 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1722 if (rts_argv[arg][4] != '\0') {
1723 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1724 fprintf(stderr,"Pack buffer size: %d\n",
1725 RtsFlags.GranFlags.packBufferSize);
1727 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1733 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1734 /* hack warning: interpret the flags as a binary number */
1735 nat n = decode(rts_argv[arg]+3);
1736 set_GranSim_debug_options(n);
1739 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1740 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1743 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1744 fprintf(stderr, "Valid GranSim debug options are:\n");
1745 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1746 bad_option( rts_argv[arg] );
1747 } else { // flag found; now set it
1748 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1754 case 'e': /* event trace; also -bD1 */
1755 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1756 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1757 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1760 case 'E': /* event statistics; also -bD2 */
1761 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1762 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1763 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1766 case 'f': /* thunkStealing; also -bD4 */
1767 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1768 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1769 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1772 case 'z': /* blockOnFetch; also -bD8 */
1773 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1774 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1775 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1778 case 't': /* blockOnFetch_sanity; also -bD16 */
1779 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1780 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1781 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1784 case 'S': /* priSpark; also -bD32 */
1785 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1786 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1789 case 's': /* priSched; also -bD64 */
1790 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1791 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1794 case 'F': /* findWork; also -bD128 */
1795 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1796 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1799 case 'g': /* globalBlock; also -bD256 */
1800 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1801 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1804 case 'G': /* pack; also -bD512 */
1805 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1806 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1809 case 'P': /* packBuffer; also -bD1024 */
1810 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1811 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1814 case 'o': /* sortedQ; also -bD2048 */
1815 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1816 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1819 case 'r': /* randomSteal; also -bD4096 */
1820 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1821 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1824 case 'q': /* checkSparkQ; also -bD8192 */
1825 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1826 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1829 case ':': /* checkLight; also -bD16384 */
1830 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1831 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1834 case 'b': /* bq; also -bD32768 */
1835 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1836 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1839 case 'd': /* all options turned on */
1840 fprintf(stderr,"DEBUG: all options turned on.\n");
1841 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1842 /* RtsFlags.GranFlags.Debug |= 0x40; */
1846 /* RtsFlags.GranFlags.Debug = 1; */
1852 # endif /* GRAN_CHECK */
1854 bad_option( rts_argv[arg] );
1860 Interpret n as a binary number masking GranSim debug options and set the
1861 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1864 set_GranSim_debug_options(nat n) {
1867 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1869 fprintf(stderr, gran_debug_opts_strs[i]);
1871 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1872 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1873 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1874 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1875 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1876 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1877 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1878 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1879 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1880 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1881 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1882 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1883 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1884 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1885 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1886 default: barf("set_GranSim_debug_options: only %d debug options expected");
1892 Print one line explanation for each of the GranSim debug options specified
1896 help_GranSim_debug_options(nat n) {
1899 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1901 fprintf(stderr, gran_debug_opts_strs[i]);
1907 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1910 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1911 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1915 /* Communication and task creation cost parameters */
1916 switch(rts_argv[arg][2]) {
1917 case 'e': /* -qe<n> ... allow <n> local sparks */
1918 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1919 RtsFlags.ParFlags.maxLocalSparks
1920 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1922 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1923 belch("setupRtsFlags: bad value for -e\n");
1927 IF_PAR_DEBUG(verbose,
1928 belch("-qe<n>: max %d local sparks",
1929 RtsFlags.ParFlags.maxLocalSparks));
1933 if (rts_argv[arg][3] != '\0') {
1934 RtsFlags.ParFlags.maxThreads
1935 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1937 belch("setupRtsFlags: missing size for -qt\n");
1940 IF_PAR_DEBUG(verbose,
1941 belch("-qt<n>: max %d threads",
1942 RtsFlags.ParFlags.maxThreads));
1946 if (rts_argv[arg][3] != '\0')
1947 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1949 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1951 IF_PAR_DEBUG(verbose,
1952 belch("-qf<n>: max %d fishes sent out at one time",
1953 RtsFlags.ParFlags.maxFishes));
1957 if (rts_argv[arg][3] != '\0') {
1958 RtsFlags.ParFlags.fishDelay
1959 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1961 belch("setupRtsFlags: missing fish delay time for -qF\n");
1964 IF_PAR_DEBUG(verbose,
1965 belch("-qF<n>: fish delay time %d us",
1966 RtsFlags.ParFlags.fishDelay));
1970 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1971 IF_PAR_DEBUG(verbose,
1972 belch("-qO: output disabled"));
1975 case 'g': /* -qg<n> ... globalisation scheme */
1976 if (rts_argv[arg][3] != '\0') {
1977 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1979 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1982 IF_PAR_DEBUG(verbose,
1983 belch("-qg<n>: globalisation scheme set to %d",
1984 RtsFlags.ParFlags.globalising));
1987 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1988 if (rts_argv[arg][3] != '\0') {
1989 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1991 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1994 IF_PAR_DEBUG(verbose,
1995 belch("-qh<n>: thunks per packet set to %d",
1996 RtsFlags.ParFlags.thunksToPack));
1999 case 'P': /* -qP for writing a log file */
2000 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2001 /* same encoding as in GranSim after -bP */
2002 switch(rts_argv[arg][3]) {
2003 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2004 break; // nothing special, just an ordinary profile
2005 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2006 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2008 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2010 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2012 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2014 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2017 # if defined(PAR_TICKY)
2018 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2020 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
2021 stg_exit(EXIT_FAILURE);
2024 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2026 IF_PAR_DEBUG(verbose,
2027 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2028 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2031 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2032 if (rts_argv[arg][3] != '\0') {
2033 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2035 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
2038 IF_PAR_DEBUG(verbose,
2039 belch("-qQ<n>: pack buffer size set to %d",
2040 RtsFlags.ParFlags.packBufferSize));
2044 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2045 IF_PAR_DEBUG(verbose,
2046 belch("-qR: fair-ish scheduling"));
2051 if (rts_argv[arg][3] != '\0') {
2052 RtsFlags.ParFlags.wait
2053 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2055 RtsFlags.ParFlags.wait = 1000;
2057 IF_PAR_DEBUG(verbose,
2058 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2059 RtsFlags.ParFlags.wait));
2062 case 'D': /* -qD ... all the debugging options */
2063 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2064 /* hack warning: interpret the flags as a binary number */
2065 nat n = decode(rts_argv[arg]+3);
2066 set_par_debug_options(n);
2069 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2070 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2073 if (i==MAX_PAR_DEBUG_OPTION+1) {
2074 fprintf(stderr, "Valid GUM debug options are:\n");
2075 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2076 bad_option( rts_argv[arg] );
2077 } else { // flag found; now set it
2078 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2084 belch("Unknown option -q%c (%d opts in total)",
2085 rts_argv[arg][2], *rts_argc);
2091 Interpret n as a binary number masking Par debug options and set the
2092 correxponding option. See par_debug_opts_strs for explanations of the flags.
2095 set_par_debug_options(nat n) {
2098 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2100 fprintf(stderr, par_debug_opts_strs[i]);
2102 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2103 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2104 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2105 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2106 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2107 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2108 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2109 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2110 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2111 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2112 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2113 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2114 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2115 default: barf("set_par_debug_options: only %d debug options expected",
2116 MAX_PAR_DEBUG_OPTION);
2122 Print one line explanation for each of the GranSim debug options specified
2126 help_par_debug_options(nat n) {
2129 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2131 fprintf(stderr, par_debug_opts_strs[i]);
2136 //@node Aux fcts, , GranSim specific options
2137 //@subsection Aux fcts
2139 static FILE * /* return NULL on error */
2142 int argc, char *argv[],
2143 int rts_argc, char *rts_argv[],
2144 const char *FILENAME_FMT)
2148 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2150 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2151 f = fopen(rts_argv[arg]+2,"w");
2153 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2154 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2155 f = fopen(stats_filename,"w");
2158 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2160 /* Write argv and rtsv into start of stats file */
2162 for(count = 0; count < argc; count++)
2163 fprintf(f, "%s ", argv[count]);
2164 fprintf(f, "+RTS ");
2165 for(count = 0; count < rts_argc; count++)
2166 fprintf(f, "%s ", rts_argv[count]);
2174 decode(const char *s)
2185 if (c == 'g' || c == 'G')
2186 m *= 1000*1000*1000; /* UNchecked! */
2187 else if (c == 'm' || c == 'M')
2188 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2189 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2190 m *= 1000; /* a direct-mapped cache. */
2191 else if (c == 'w' || c == 'W')
2198 bad_option(const char *s)
2200 prog_belch("bad RTS option: %s", s);
2201 stg_exit(EXIT_FAILURE);