1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.65 2003/01/28 16:23:53 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 = 0; /* an "int" so as to match normal "argc" */
49 char **prog_argv = NULL;
50 int rts_argc = 0; /* 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_prefix[] = {
64 "_.", /* interpreter */
80 char *gran_debug_opts_strs[] = {
81 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
82 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
83 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
84 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
85 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
86 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
87 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
88 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
89 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
90 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
91 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
92 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
93 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
94 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
95 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
98 /* one character codes for the available debug options */
99 char gran_debug_opts_flags[] = {
100 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
103 /* prefix strings printed with the debug messages of the corresponding type */
104 char *gran_debug_opts_prefix[] = {
105 "", /* event_trace */
106 "", /* event_stats */
109 "^^", /* checkSparkQ */
110 "==", /* thunkStealing */
111 "^^", /* randomSteal */
115 "::", /* checkLight */
117 "", /* blockOnFetch */
119 "" /* blockOnFetch_sanity */
124 char *par_debug_opts_strs[] = {
125 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
126 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
127 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
128 "DEBUG (-qDe, -qD8): free; free messages.\n",
129 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
130 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
131 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
132 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
133 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
134 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
135 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
136 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
137 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
138 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
141 /* one character codes for the available debug options */
142 char par_debug_opts_flags[] = {
143 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
146 /* prefix strings printed with the debug messages of the corresponding type */
147 char *par_debug_opts_prefix[] = {
165 //@node Static function decls, Command-line option parsing routines, Constants
166 //@subsection Static function decls
168 /* -----------------------------------------------------------------------------
169 Static function decls
170 -------------------------------------------------------------------------- */
172 static FILE * /* return NULL on error */
175 int argc, char *argv[],
176 int rts_argc, char *rts_argv[],
177 const char *FILENAME_FMT);
179 static I_ decode(const char *s);
180 static void bad_option(const char *s);
183 static void enable_GranSimLight(void);
184 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
185 static void set_GranSim_debug_options(nat n);
186 static void help_GranSim_debug_options(nat n);
188 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
189 static void set_par_debug_options(nat n);
190 static void help_par_debug_options(nat n);
193 //@node Command-line option parsing routines, GranSim specific options, Static function decls
194 //@subsection Command-line option parsing routines
196 /* -----------------------------------------------------------------------------
197 * Command-line option parsing routines.
198 * ---------------------------------------------------------------------------*/
200 void initRtsFlagsDefaults(void)
202 RtsFlags.GcFlags.statsFile = NULL;
203 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
205 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
206 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
208 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
209 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
210 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
211 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
212 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
213 RtsFlags.GcFlags.oldGenFactor = 2;
215 /* A hack currently needed for GUM -- HWL */
216 RtsFlags.GcFlags.generations = 1;
217 RtsFlags.GcFlags.steps = 2;
218 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
220 RtsFlags.GcFlags.generations = 2;
221 RtsFlags.GcFlags.steps = 2;
222 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
224 RtsFlags.GcFlags.compact = rtsFalse;
225 RtsFlags.GcFlags.compactThreshold = 30.0;
226 #ifdef RTS_GTK_FRONTPANEL
227 RtsFlags.GcFlags.frontpanel = rtsFalse;
231 RtsFlags.DebugFlags.scheduler = rtsFalse;
232 RtsFlags.DebugFlags.interpreter = rtsFalse;
233 RtsFlags.DebugFlags.codegen = rtsFalse;
234 RtsFlags.DebugFlags.weak = rtsFalse;
235 RtsFlags.DebugFlags.gccafs = rtsFalse;
236 RtsFlags.DebugFlags.gc = rtsFalse;
237 RtsFlags.DebugFlags.block_alloc = rtsFalse;
238 RtsFlags.DebugFlags.sanity = rtsFalse;
239 RtsFlags.DebugFlags.stable = rtsFalse;
240 RtsFlags.DebugFlags.prof = rtsFalse;
241 RtsFlags.DebugFlags.gran = rtsFalse;
242 RtsFlags.DebugFlags.par = rtsFalse;
243 RtsFlags.DebugFlags.linker = rtsFalse;
246 #if defined(PROFILING) || defined(PAR)
247 RtsFlags.CcFlags.doCostCentres = 0;
248 #endif /* PROFILING or PAR */
251 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
252 RtsFlags.ProfFlags.profileInterval = 100;
253 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
254 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
255 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
256 RtsFlags.ProfFlags.modSelector = NULL;
257 RtsFlags.ProfFlags.descrSelector = NULL;
258 RtsFlags.ProfFlags.typeSelector = NULL;
259 RtsFlags.ProfFlags.ccSelector = NULL;
260 RtsFlags.ProfFlags.ccsSelector = NULL;
261 RtsFlags.ProfFlags.retainerSelector = NULL;
262 RtsFlags.ProfFlags.bioSelector = NULL;
265 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
268 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
271 RtsFlags.ParFlags.nNodes = 1;
275 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
276 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
277 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
278 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
279 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
280 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
281 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
283 RtsFlags.ParFlags.outputDisabled = rtsFalse;
285 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
287 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
289 RtsFlags.ParFlags.packBufferSize = 1024;
290 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
291 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
292 RtsFlags.ParFlags.maxThreads = 1024;
293 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
294 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
297 #if defined(PAR) || defined(SMP)
298 RtsFlags.ParFlags.maxLocalSparks = 4096;
299 #endif /* PAR || SMP */
302 /* ToDo: check defaults for GranSim and GUM */
303 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
304 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
306 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
307 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
308 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
309 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
310 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
311 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
312 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
313 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
315 RtsFlags.GranFlags.packBufferSize = 1024;
316 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
318 RtsFlags.GranFlags.proc = MAX_PROC;
319 RtsFlags.GranFlags.Fishing = rtsFalse;
320 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
321 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
322 RtsFlags.GranFlags.Light = rtsFalse;
324 RtsFlags.GranFlags.Costs.latency = LATENCY;
325 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
326 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
327 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
328 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
329 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
330 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
331 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
333 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
334 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
335 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
336 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
337 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
339 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
340 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
341 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
342 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
343 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
345 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
347 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
348 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
350 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
351 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
352 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
353 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
354 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
355 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
356 RtsFlags.GranFlags.FetchStrategy = 2;
357 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
358 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
359 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
360 RtsFlags.GranFlags.SparkPriority = 0;
361 RtsFlags.GranFlags.SparkPriority2 = 0;
362 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
363 RtsFlags.GranFlags.InversePriorities = rtsFalse;
364 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
365 RtsFlags.GranFlags.ThunksToPack = 0;
366 RtsFlags.GranFlags.RandomSteal = rtsTrue;
370 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
371 RtsFlags.TickyFlags.tickyFile = NULL;
378 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
380 " +RTS Indicates run time system options follow",
381 " -RTS Indicates program arguments follow",
382 " --RTS Indicates that ALL subsequent arguments will be given to the",
383 " program (including any of these RTS flags)",
385 "The following run time system options are available:",
387 " -? Prints this message and exits; the program is not executed",
389 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
390 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
392 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
393 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
394 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
395 " -m<n> Minimum % of heap which must be available (default 3%)",
396 " -G<n> Number of generations (default: 2)",
397 " -T<n> Number of steps in younger generations (default: 2)",
398 " -c<n> Auto-enable compaction of the oldest generation when live data is",
399 " at least <n>% of the maximum heap size set with -M (default: 30%)",
400 " -c Enable compaction for all major collections",
402 " -t<file> One-line GC statistics (default file: <program>.stat)",
403 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
404 " -S<file> Detailed GC statistics",
405 #ifdef RTS_GTK_FRONTPANEL
406 " -f Display front panel (requires X11 & GTK+)",
410 " -Z Don't squeeze out update frames on stack overflow",
411 " -B Sound the bell at the start of each garbage collection",
412 #if defined(PROFILING) || defined(PAR)
414 " -px Time/allocation profile (XML) (output file <program>.prof)",
415 " -p Time/allocation profile (output file <program>.prof)",
416 " -P More detailed Time/Allocation profile",
417 " -Pa Give information about *all* cost centres",
419 # if defined(PROFILING)
421 " -hx Heap residency profile (XML) (output file <program>.prof)",
422 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
423 " break-down: c = cost centre stack (default)",
425 " d = closure description",
426 " y = type description",
428 " b = biography (LAG,DRAG,VOID,USE)",
429 " A subset of closures may be selected thusly:",
430 " -hc<cc>,... specific cost centre(s) (top of stack only)",
431 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
432 " -hm<mod>... all cost centres from the specified modules(s)",
433 " -hd<des>,... closures with specified closure descriptions",
434 " -hy<typ>... closures with specified type descriptions",
435 " -hr<cc>... closures with specified retainers",
436 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
438 " -R<size> Set the maximum retainer set size (default: 8)",
440 " -i<sec> Time between heap samples (seconds, default: 0.1)",
442 " -xt Include threads (TSOs) in a heap profile",
444 " -xc Show current cost centre stack on raising an exception",
446 #endif /* PROFILING or PAR */
447 #if !defined(PROFILING) && defined(DEBUG)
449 " -h<break-down> Debugging Heap residency profile",
450 " (output file <program>.hp)",
451 " break-down: L = closure label (default)",
452 " T = closure type (constructor, thunk etc.)",
455 #if defined(TICKY_TICKY)
456 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
460 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
461 /* NB: the -N<n> is implemented by the driver!! */
463 " -C<secs> Context-switch interval in seconds",
464 " (0 or no argument means switch as often as possible)",
465 " the default is .02 sec; resolution is .02 sec",
468 " -Ds DEBUG: scheduler",
469 " -Di DEBUG: interpreter",
470 " -Dc DEBUG: codegen",
472 " -DG DEBUG: gccafs",
475 " -DS DEBUG: sanity",
476 " -Dt DEBUG: stable",
480 " -Dl DEBUG: linker",
484 " -N<n> Use <n> OS threads (default: 1)",
486 #if defined(SMP) || defined(PAR)
487 " -e<size> Size of spark pools (default 100)",
490 " -t<num> Set maximum number of advisory threads per PE (default 32)",
491 " -qP Enable activity profile (output files in ~/<program>*.gr)",
492 " -qQ<size> Set pack-buffer size (default: 1024)",
493 " -qd Turn on PVM-ish debugging",
494 " -qO Disable output for performance measurement",
496 #if defined(SMP) || defined(PAR)
497 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
500 " -d Turn on PVM-ish debugging",
501 " -O Disable output for performance measurement",
503 #if defined(GRAN) /* ToDo: fill in decent Docu here */
504 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
507 "RTS options may also be specified using the GHCRTS environment variable.",
509 "Other RTS options may be available for programs compiled a different way.",
510 "The GHC User's Guide has full details.",
515 static __inline__ rtsBool
516 strequal(const char *a, const char * b)
518 return(strcmp(a, b) == 0);
522 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
528 while (isspace(*c1)) { c1++; };
530 while (!isspace(*c2) && *c2 != '\0') { c2++; };
532 if (c1 == c2) { break; }
534 if (*rts_argc < MAX_RTS_ARGS-1) {
536 strncpy(s, c1, c2-c1);
538 rts_argv[(*rts_argc)++] = s;
540 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
544 } while (*c1 != '\0');
548 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
550 rtsBool error = rtsFalse;
555 /* Remove directory from argv[0] -- default files in current directory */
557 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
558 strcpy(argv[0], last_slash+1);
566 // process arguments from the ghc_rts_opts global variable first.
567 // (arguments from the GHCRTS environment variable and the command
568 // line override these).
570 if (ghc_rts_opts != NULL) {
571 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
575 // process arguments from the GHCRTS environment variable next
576 // (arguments from the command line override these).
578 char *ghc_rts = getenv("GHCRTS");
580 if (ghc_rts != NULL) {
581 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
585 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
586 // argv[0] must be PGM argument -- leave in argv
588 for (mode = PGM; arg < total_arg; arg++) {
589 // The '--RTS' argument disables all future +RTS ... -RTS processing.
590 if (strequal("--RTS", argv[arg])) {
594 // The '--' argument is passed through to the program, but
595 // disables all further +RTS ... -RTS processing.
596 else if (strequal("--", argv[arg])) {
599 else if (strequal("+RTS", argv[arg])) {
602 else if (strequal("-RTS", argv[arg])) {
605 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
606 rts_argv[(*rts_argc)++] = argv[arg];
608 else if (mode == PGM) {
609 argv[(*argc)++] = argv[arg];
612 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
615 // process remaining program arguments
616 for (; arg < total_arg; arg++) {
617 argv[(*argc)++] = argv[arg];
619 argv[*argc] = (char *) 0;
620 rts_argv[*rts_argc] = (char *) 0;
622 // Process RTS (rts_argv) part: mainly to determine statsfile
623 for (arg = 0; arg < *rts_argc; arg++) {
624 if (rts_argv[arg][0] != '-') {
626 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
630 switch(rts_argv[arg][1]) {
632 /* process: general args, then PROFILING-only ones,
633 then CONCURRENT-only, PARallel-only, GRAN-only,
634 TICKY-only (same order as defined in RtsFlags.lh);
635 within those groups, mostly in case-insensitive
637 Final group is x*, which allows for more options.
641 # define TICKY_BUILD_ONLY(x) x
643 # define TICKY_BUILD_ONLY(x) \
644 prog_belch("GHC not built for: ticky-ticky stats"); \
648 #if defined(PROFILING)
649 # define COST_CENTRE_USING_BUILD_ONLY(x) x
651 # define COST_CENTRE_USING_BUILD_ONLY(x) \
652 prog_belch("GHC not built for: -prof or -parallel"); \
657 # define PROFILING_BUILD_ONLY(x) x
659 # define PROFILING_BUILD_ONLY(x) \
660 prog_belch("GHC not built for: -prof"); \
665 # define SMP_BUILD_ONLY(x) x
667 # define SMP_BUILD_ONLY(x) \
668 prog_belch("GHC not built for: -smp"); \
673 # define PAR_BUILD_ONLY(x) x
675 # define PAR_BUILD_ONLY(x) \
676 prog_belch("GHC not built for: -parallel"); \
680 #if defined(SMP) || defined(PAR)
681 # define PAR_OR_SMP_BUILD_ONLY(x) x
683 # define PAR_OR_SMP_BUILD_ONLY(x) \
684 prog_belch("GHC not built for: -parallel or -smp"); \
689 # define GRAN_BUILD_ONLY(x) x
691 # define GRAN_BUILD_ONLY(x) \
692 prog_belch("GHC not built for: -gransim"); \
696 /* =========== GENERAL ========================== */
702 RtsFlags.GcFlags.minAllocAreaSize
703 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
704 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
705 bad_option(rts_argv[arg]);
710 RtsFlags.GcFlags.ringBell = rtsTrue;
714 if (rts_argv[arg][2] != '\0') {
715 RtsFlags.GcFlags.compactThreshold =
716 atof(rts_argv[arg]+2);
718 RtsFlags.GcFlags.compact = rtsTrue;
723 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
725 if (RtsFlags.GcFlags.oldGenFactor < 0)
726 bad_option( rts_argv[arg] );
734 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
737 RtsFlags.DebugFlags.scheduler = rtsTrue;
740 RtsFlags.DebugFlags.interpreter = rtsTrue;
743 RtsFlags.DebugFlags.codegen = rtsTrue;
746 RtsFlags.DebugFlags.weak = rtsTrue;
749 RtsFlags.DebugFlags.gccafs = rtsTrue;
752 RtsFlags.DebugFlags.gc = rtsTrue;
755 RtsFlags.DebugFlags.block_alloc = rtsTrue;
758 RtsFlags.DebugFlags.sanity = rtsTrue;
761 RtsFlags.DebugFlags.stable = rtsTrue;
764 RtsFlags.DebugFlags.prof = rtsTrue;
767 RtsFlags.DebugFlags.gran = rtsTrue;
770 RtsFlags.DebugFlags.par = rtsTrue;
773 RtsFlags.DebugFlags.linker = rtsTrue;
776 RtsFlags.DebugFlags.apply = rtsTrue;
779 bad_option( rts_argv[arg] );
787 RtsFlags.GcFlags.maxStkSize =
788 decode(rts_argv[arg]+2) / sizeof(W_);
790 if (RtsFlags.GcFlags.maxStkSize == 0)
791 bad_option( rts_argv[arg] );
795 RtsFlags.GcFlags.initialStkSize =
796 decode(rts_argv[arg]+2) / sizeof(W_);
798 if (RtsFlags.GcFlags.initialStkSize == 0)
799 bad_option( rts_argv[arg] );
803 RtsFlags.GcFlags.maxHeapSize =
804 decode(rts_argv[arg]+2) / BLOCK_SIZE;
805 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
807 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
808 bad_option(rts_argv[arg]);
813 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
815 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
816 RtsFlags.GcFlags.pcFreeHeap > 100)
817 bad_option( rts_argv[arg] );
821 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
822 if (RtsFlags.GcFlags.generations < 1) {
823 bad_option(rts_argv[arg]);
828 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
829 if (RtsFlags.GcFlags.steps < 1) {
830 bad_option(rts_argv[arg]);
835 RtsFlags.GcFlags.heapSizeSuggestion =
836 decode(rts_argv[arg]+2) / BLOCK_SIZE;
838 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
839 bad_option(rts_argv[arg]);
843 #ifdef RTS_GTK_FRONTPANEL
845 RtsFlags.GcFlags.frontpanel = rtsTrue;
850 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
854 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
858 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
863 /* Opening all those files would almost certainly fail... */
864 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
865 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
867 RtsFlags.GcFlags.statsFile
868 = open_stats_file(arg, *argc, argv,
869 *rts_argc, rts_argv, STAT_FILENAME_FMT);
871 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
876 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
879 /* =========== PROFILING ========================== */
881 case 'P': /* detailed cost centre profiling (time/alloc) */
882 case 'p': /* cost centre profiling (time/alloc) */
883 COST_CENTRE_USING_BUILD_ONLY(
884 switch (rts_argv[arg][2]) {
886 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
889 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
892 if (rts_argv[arg][1] == 'P') {
893 RtsFlags.CcFlags.doCostCentres =
894 COST_CENTRES_VERBOSE;
896 RtsFlags.CcFlags.doCostCentres =
897 COST_CENTRES_SUMMARY;
904 PROFILING_BUILD_ONLY(
905 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
908 case 'h': /* serial heap profile */
909 #if !defined(PROFILING) && defined(DEBUG)
910 switch (rts_argv[arg][2]) {
913 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
916 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
919 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
923 PROFILING_BUILD_ONLY(
924 switch (rts_argv[arg][2]) {
938 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
940 char *left = strchr(rts_argv[arg], '{');
941 char *right = strrchr(rts_argv[arg], '}');
943 // curly braces are optional, for
948 left = rts_argv[arg] + 3;
951 right = rts_argv[arg] + strlen(rts_argv[arg]);
955 switch (rts_argv[arg][2]) {
956 case 'c': // cost centre label select
957 RtsFlags.ProfFlags.ccSelector = left;
960 RtsFlags.ProfFlags.ccsSelector = left;
963 case 'm': // cost centre module select
964 RtsFlags.ProfFlags.modSelector = left;
967 case 'd': // closure descr select
968 RtsFlags.ProfFlags.descrSelector = left;
971 case 'y': // closure type select
972 RtsFlags.ProfFlags.typeSelector = left;
975 case 'r': // retainer select
976 RtsFlags.ProfFlags.retainerSelector = left;
979 case 'b': // biography select
980 RtsFlags.ProfFlags.bioSelector = left;
987 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
988 prog_belch("multiple heap profile options");
993 switch (rts_argv[arg][2]) {
997 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1001 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1005 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1009 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1013 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1017 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1023 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
1030 #if defined(PROFILING)
1031 case 'i': /* heap sample interval */
1032 if (rts_argv[arg][2] == '\0') {
1037 /* Convert to milliseconds */
1038 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1039 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1040 if (cst != 0 && cst < CS_MIN_MILLISECS)
1041 cst = CS_MIN_MILLISECS;
1043 RtsFlags.ProfFlags.profileInterval = cst;
1048 /* =========== CONCURRENT ========================= */
1049 case 'C': /* context switch interval */
1050 if (rts_argv[arg][2] == '\0')
1051 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1055 /* Convert to milliseconds */
1056 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1057 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1058 if (cst != 0 && cst < CS_MIN_MILLISECS)
1059 cst = CS_MIN_MILLISECS;
1061 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1068 if (rts_argv[arg][2] != '\0') {
1069 RtsFlags.ParFlags.nNodes
1070 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1071 if (RtsFlags.ParFlags.nNodes <= 0) {
1072 prog_belch("bad value for -N");
1078 /* =========== PARALLEL =========================== */
1080 PAR_OR_SMP_BUILD_ONLY(
1081 if (rts_argv[arg][2] != '\0') {
1082 RtsFlags.ParFlags.maxLocalSparks
1083 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1084 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1085 prog_belch("bad value for -e");
1093 process_par_option(arg, rts_argc, rts_argv, &error);
1096 /* =========== GRAN =============================== */
1100 process_gran_option(arg, rts_argc, rts_argv, &error);
1103 /* =========== TICKY ============================== */
1105 case 'r': /* Basic profiling stats */
1108 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1109 RtsFlags.TickyFlags.tickyFile
1110 = open_stats_file(arg, *argc, argv,
1111 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1113 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1116 /* =========== EXTENDED OPTIONS =================== */
1118 case 'x': /* Extend the argument space */
1119 switch(rts_argv[arg][2]) {
1121 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1125 case 'c': /* Debugging tool: show current cost centre on an exception */
1126 PROFILING_BUILD_ONLY(
1127 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1131 case 't': /* Include memory used by TSOs in a heap profile */
1132 PROFILING_BUILD_ONLY(
1133 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1137 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1140 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1144 break; /* defensive programming */
1146 /* =========== OH DEAR ============================ */
1148 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1158 for (p = usage_text; *p; p++)
1160 stg_exit(EXIT_FAILURE);
1166 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1167 //@subsection GranSim specific options
1170 enable_GranSimLight(void) {
1172 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1173 RtsFlags.GranFlags.Light=rtsTrue;
1174 RtsFlags.GranFlags.Costs.latency =
1175 RtsFlags.GranFlags.Costs.fetchtime =
1176 RtsFlags.GranFlags.Costs.additional_latency =
1177 RtsFlags.GranFlags.Costs.gunblocktime =
1178 RtsFlags.GranFlags.Costs.lunblocktime =
1179 RtsFlags.GranFlags.Costs.threadcreatetime =
1180 RtsFlags.GranFlags.Costs.threadqueuetime =
1181 RtsFlags.GranFlags.Costs.threadscheduletime =
1182 RtsFlags.GranFlags.Costs.threaddescheduletime =
1183 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1185 RtsFlags.GranFlags.Costs.mpacktime =
1186 RtsFlags.GranFlags.Costs.munpacktime = 0;
1188 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1189 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1190 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1191 /* FetchStrategy is irrelevant in GrAnSim-Light */
1193 /* GrAnSim Light often creates an abundance of parallel threads,
1194 each with its own stack etc. Therefore, it's in general a good
1195 idea to use small stack chunks (use the -o<size> option to
1198 // RtsFlags.ConcFlags.stkChunkSize = 100;
1200 RtsFlags.GranFlags.proc = 1;
1204 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1206 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1209 /* or a ridiculously idealised simulator */
1210 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1211 RtsFlags.GranFlags.Costs.latency =
1212 RtsFlags.GranFlags.Costs.fetchtime =
1213 RtsFlags.GranFlags.Costs.additional_latency =
1214 RtsFlags.GranFlags.Costs.gunblocktime =
1215 RtsFlags.GranFlags.Costs.lunblocktime =
1216 RtsFlags.GranFlags.Costs.threadcreatetime =
1217 RtsFlags.GranFlags.Costs.threadqueuetime =
1218 RtsFlags.GranFlags.Costs.threadscheduletime =
1219 RtsFlags.GranFlags.Costs.threaddescheduletime =
1220 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1222 RtsFlags.GranFlags.Costs.mpacktime =
1223 RtsFlags.GranFlags.Costs.munpacktime = 0;
1225 RtsFlags.GranFlags.Costs.arith_cost =
1226 RtsFlags.GranFlags.Costs.float_cost =
1227 RtsFlags.GranFlags.Costs.load_cost =
1228 RtsFlags.GranFlags.Costs.store_cost =
1229 RtsFlags.GranFlags.Costs.branch_cost = 0;
1231 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1233 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1234 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1235 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1236 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1240 /* or a somewhat idealised simulator */
1241 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1242 RtsFlags.GranFlags.Costs.latency =
1243 RtsFlags.GranFlags.Costs.fetchtime =
1244 RtsFlags.GranFlags.Costs.additional_latency =
1245 RtsFlags.GranFlags.Costs.gunblocktime =
1246 RtsFlags.GranFlags.Costs.lunblocktime =
1247 RtsFlags.GranFlags.Costs.threadcreatetime =
1248 RtsFlags.GranFlags.Costs.threadqueuetime =
1249 RtsFlags.GranFlags.Costs.threadscheduletime =
1250 RtsFlags.GranFlags.Costs.threaddescheduletime =
1251 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1253 RtsFlags.GranFlags.Costs.mpacktime =
1254 RtsFlags.GranFlags.Costs.munpacktime = 0;
1256 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1258 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1259 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1260 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1261 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1262 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1263 # if defined(GRAN_CHECK) && defined(GRAN)
1264 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1269 /* Communication and task creation cost parameters */
1270 switch(rts_argv[arg][2]) {
1272 IgnoreYields = rtsTrue; // HWL HACK
1276 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1280 if (rts_argv[arg][3] != '\0')
1282 RtsFlags.GranFlags.Costs.gunblocktime =
1283 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1284 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1287 RtsFlags.GranFlags.Costs.latency = LATENCY;
1291 if (rts_argv[arg][3] != '\0')
1292 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1294 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1298 if (rts_argv[arg][3] != '\0')
1299 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1301 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1305 if (rts_argv[arg][3] != '\0')
1306 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1308 RtsFlags.GranFlags.Costs.mtidytime = 0;
1312 if (rts_argv[arg][3] != '\0')
1313 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1315 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1319 if (rts_argv[arg][3] != '\0')
1320 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1322 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1326 if (rts_argv[arg][3] != '\0')
1327 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1329 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1333 if (rts_argv[arg][3] != '\0')
1334 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1336 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1339 /* Thread-related metrics */
1341 if (rts_argv[arg][3] != '\0')
1342 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1344 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1348 if (rts_argv[arg][3] != '\0')
1349 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1351 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1355 if (rts_argv[arg][3] != '\0')
1356 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1358 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1360 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1361 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1365 if (rts_argv[arg][3] != '\0')
1366 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1368 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1370 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1371 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1374 /* Instruction Cost Metrics */
1376 if (rts_argv[arg][3] != '\0')
1377 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1379 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1383 if (rts_argv[arg][3] != '\0')
1384 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1386 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1390 if (rts_argv[arg][3] != '\0')
1391 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1393 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1397 if (rts_argv[arg][3] != '\0')
1398 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1400 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1404 if (rts_argv[arg][3] != '\0')
1405 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1407 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1411 if (rts_argv[arg][3] != '\0')
1412 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1414 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1418 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1419 if (rts_argv[arg][3] != '\0')
1420 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1422 RtsFlags.GranFlags.FetchStrategy = 2;
1423 if (RtsFlags.GranFlags.FetchStrategy == 0)
1424 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1427 case 'K': /* sort overhead (per elem in spark list) */
1428 if (rts_argv[arg][3] != '\0')
1429 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1431 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1432 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1433 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1436 case 'O': /* sort overhead (per elem in spark list) */
1437 if (rts_argv[arg][3] != '\0')
1438 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1440 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1441 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1442 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1445 /* General Parameters */
1447 if (rts_argv[arg][3] != '\0')
1449 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1450 if (RtsFlags.GranFlags.proc==0) {
1451 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1452 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1453 RtsFlags.GranFlags.proc < 1)
1455 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1461 RtsFlags.GranFlags.proc = MAX_PROC;
1465 RtsFlags.GranFlags.Fishing = rtsTrue;
1466 if (rts_argv[arg][3] != '\0')
1467 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1469 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1473 if (rts_argv[arg][3] != '\0')
1474 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1476 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1480 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1481 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1485 fprintf(stderr,"Bulk fetching enabled.\n");
1486 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1490 fprintf(stderr,"Thread migration enabled.\n");
1491 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1495 fprintf(stderr,"Fair Scheduling enabled.\n");
1496 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1500 fprintf(stderr,"Priority Scheduling enabled.\n");
1501 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1505 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1506 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1510 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1514 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1518 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1522 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1526 /* format is -bP<c> where <c> is one char describing kind of profile */
1527 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1528 switch(rts_argv[arg][3]) {
1529 case '\0': break; // nothing special, just an ordinary profile
1530 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1532 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1534 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1536 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1538 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1540 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1542 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1547 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1551 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1554 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1555 if (rts_argv[arg][3] != '\0') {
1558 arg0 = rts_argv[arg]+3;
1559 if ((tmp = strstr(arg0,","))==NULL) {
1560 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1561 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1564 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1565 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1566 fprintf(stderr,"SparkPriority: %u.\n",
1567 RtsFlags.GranFlags.SparkPriority);
1568 fprintf(stderr,"SparkPriority2:%u.\n",
1569 RtsFlags.GranFlags.SparkPriority2);
1570 if (RtsFlags.GranFlags.SparkPriority2 <
1571 RtsFlags.GranFlags.SparkPriority) {
1572 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1573 RtsFlags.GranFlags.SparkPriority2,
1574 RtsFlags.GranFlags.SparkPriority);
1578 /* plain pri spark is now invoked with -bX
1579 RtsFlags.GranFlags.DoPrioritySparking = 1;
1580 fprintf(stderr,"PrioritySparking.\n");
1586 if (rts_argv[arg][3] != '\0') {
1587 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1589 RtsFlags.GranFlags.ThunksToPack = 1;
1591 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1592 RtsFlags.GranFlags.ThunksToPack);
1596 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1597 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1600 /* The following class of options contains eXperimental */
1601 /* features in connection with exploiting granularity */
1602 /* information. I.e. if -bY is chosen these options */
1603 /* tell the RTS what to do with the supplied info --HWL */
1606 if (rts_argv[arg][3] != '\0') {
1607 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1609 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1611 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1612 RtsFlags.GranFlags.packBufferSize_internal);
1616 switch(rts_argv[arg][3]) {
1619 RtsFlags.GranFlags.DoPrioritySparking = 1;
1620 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1621 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1622 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1623 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1627 RtsFlags.GranFlags.DoPrioritySparking = 1;
1628 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1629 RtsFlags.GranFlags.InversePriorities++;
1633 RtsFlags.GranFlags.DoPrioritySparking = 1;
1634 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1635 RtsFlags.GranFlags.RandomPriorities++;
1639 RtsFlags.GranFlags.DoPrioritySparking = 1;
1640 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1641 RtsFlags.GranFlags.IgnorePriorities++;
1645 bad_option( rts_argv[arg] );
1651 switch(rts_argv[arg][3]) {
1654 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1655 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1659 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1663 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1667 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1671 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1672 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1676 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1680 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1684 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1688 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1692 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1696 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1700 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1704 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1705 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1709 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1713 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1717 bad_option( rts_argv[arg] );
1722 # if defined(GRAN_CHECK) && defined(GRAN)
1724 switch(rts_argv[arg][3]) {
1725 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1726 if (rts_argv[arg][4] != '\0') {
1727 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1728 fprintf(stderr,"Pack buffer size: %d\n",
1729 RtsFlags.GranFlags.packBufferSize);
1731 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1737 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1738 /* hack warning: interpret the flags as a binary number */
1739 nat n = decode(rts_argv[arg]+3);
1740 set_GranSim_debug_options(n);
1743 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1744 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1747 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1748 fprintf(stderr, "Valid GranSim debug options are:\n");
1749 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1750 bad_option( rts_argv[arg] );
1751 } else { // flag found; now set it
1752 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1758 case 'e': /* event trace; also -bD1 */
1759 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1760 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1761 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1764 case 'E': /* event statistics; also -bD2 */
1765 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1766 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1767 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1770 case 'f': /* thunkStealing; also -bD4 */
1771 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1772 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1773 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1776 case 'z': /* blockOnFetch; also -bD8 */
1777 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1778 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1779 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1782 case 't': /* blockOnFetch_sanity; also -bD16 */
1783 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1784 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1785 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1788 case 'S': /* priSpark; also -bD32 */
1789 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1790 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1793 case 's': /* priSched; also -bD64 */
1794 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1795 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1798 case 'F': /* findWork; also -bD128 */
1799 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1800 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1803 case 'g': /* globalBlock; also -bD256 */
1804 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1805 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1808 case 'G': /* pack; also -bD512 */
1809 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1810 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1813 case 'P': /* packBuffer; also -bD1024 */
1814 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1815 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1818 case 'o': /* sortedQ; also -bD2048 */
1819 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1820 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1823 case 'r': /* randomSteal; also -bD4096 */
1824 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1825 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1828 case 'q': /* checkSparkQ; also -bD8192 */
1829 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1830 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1833 case ':': /* checkLight; also -bD16384 */
1834 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1835 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1838 case 'b': /* bq; also -bD32768 */
1839 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1840 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1843 case 'd': /* all options turned on */
1844 fprintf(stderr,"DEBUG: all options turned on.\n");
1845 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1846 /* RtsFlags.GranFlags.Debug |= 0x40; */
1850 /* RtsFlags.GranFlags.Debug = 1; */
1856 # endif /* GRAN_CHECK */
1858 bad_option( rts_argv[arg] );
1864 Interpret n as a binary number masking GranSim debug options and set the
1865 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1868 set_GranSim_debug_options(nat n) {
1871 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1873 fprintf(stderr, gran_debug_opts_strs[i]);
1875 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1876 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1877 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1878 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1879 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1880 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1881 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1882 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1883 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1884 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1885 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1886 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1887 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1888 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1889 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1890 default: barf("set_GranSim_debug_options: only %d debug options expected");
1896 Print one line explanation for each of the GranSim debug options specified
1900 help_GranSim_debug_options(nat n) {
1903 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1905 fprintf(stderr, gran_debug_opts_strs[i]);
1911 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1914 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1915 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1919 /* Communication and task creation cost parameters */
1920 switch(rts_argv[arg][2]) {
1921 case 'e': /* -qe<n> ... allow <n> local sparks */
1922 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1923 RtsFlags.ParFlags.maxLocalSparks
1924 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1926 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1927 belch("setupRtsFlags: bad value for -e\n");
1931 IF_PAR_DEBUG(verbose,
1932 belch("-qe<n>: max %d local sparks",
1933 RtsFlags.ParFlags.maxLocalSparks));
1937 if (rts_argv[arg][3] != '\0') {
1938 RtsFlags.ParFlags.maxThreads
1939 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1941 belch("setupRtsFlags: missing size for -qt\n");
1944 IF_PAR_DEBUG(verbose,
1945 belch("-qt<n>: max %d threads",
1946 RtsFlags.ParFlags.maxThreads));
1950 if (rts_argv[arg][3] != '\0')
1951 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1953 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1955 IF_PAR_DEBUG(verbose,
1956 belch("-qf<n>: max %d fishes sent out at one time",
1957 RtsFlags.ParFlags.maxFishes));
1961 if (rts_argv[arg][3] != '\0') {
1962 RtsFlags.ParFlags.fishDelay
1963 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1965 belch("setupRtsFlags: missing fish delay time for -qF\n");
1968 IF_PAR_DEBUG(verbose,
1969 belch("-qF<n>: fish delay time %d us",
1970 RtsFlags.ParFlags.fishDelay));
1974 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1975 IF_PAR_DEBUG(verbose,
1976 belch("-qO: output disabled"));
1979 case 'g': /* -qg<n> ... globalisation scheme */
1980 if (rts_argv[arg][3] != '\0') {
1981 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1983 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1986 IF_PAR_DEBUG(verbose,
1987 belch("-qg<n>: globalisation scheme set to %d",
1988 RtsFlags.ParFlags.globalising));
1991 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1992 if (rts_argv[arg][3] != '\0') {
1993 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1995 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1998 IF_PAR_DEBUG(verbose,
1999 belch("-qh<n>: thunks per packet set to %d",
2000 RtsFlags.ParFlags.thunksToPack));
2003 case 'P': /* -qP for writing a log file */
2004 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2005 /* same encoding as in GranSim after -bP */
2006 switch(rts_argv[arg][3]) {
2007 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2008 break; // nothing special, just an ordinary profile
2009 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2010 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2012 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2014 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2016 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2018 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2021 # if defined(PAR_TICKY)
2022 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2024 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
2025 stg_exit(EXIT_FAILURE);
2028 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2030 IF_PAR_DEBUG(verbose,
2031 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2032 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2035 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2036 if (rts_argv[arg][3] != '\0') {
2037 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2039 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
2042 IF_PAR_DEBUG(verbose,
2043 belch("-qQ<n>: pack buffer size set to %d",
2044 RtsFlags.ParFlags.packBufferSize));
2048 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2049 IF_PAR_DEBUG(verbose,
2050 belch("-qR: fair-ish scheduling"));
2055 if (rts_argv[arg][3] != '\0') {
2056 RtsFlags.ParFlags.wait
2057 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2059 RtsFlags.ParFlags.wait = 1000;
2061 IF_PAR_DEBUG(verbose,
2062 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2063 RtsFlags.ParFlags.wait));
2066 case 'D': /* -qD ... all the debugging options */
2067 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2068 /* hack warning: interpret the flags as a binary number */
2069 nat n = decode(rts_argv[arg]+3);
2070 set_par_debug_options(n);
2073 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2074 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2077 if (i==MAX_PAR_DEBUG_OPTION+1) {
2078 fprintf(stderr, "Valid GUM debug options are:\n");
2079 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2080 bad_option( rts_argv[arg] );
2081 } else { // flag found; now set it
2082 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2088 belch("Unknown option -q%c (%d opts in total)",
2089 rts_argv[arg][2], *rts_argc);
2095 Interpret n as a binary number masking Par debug options and set the
2096 correxponding option. See par_debug_opts_strs for explanations of the flags.
2099 set_par_debug_options(nat n) {
2102 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2104 fprintf(stderr, par_debug_opts_strs[i]);
2106 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2107 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2108 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2109 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2110 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2111 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2112 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2113 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2114 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2115 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2116 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2117 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2118 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2119 default: barf("set_par_debug_options: only %d debug options expected",
2120 MAX_PAR_DEBUG_OPTION);
2126 Print one line explanation for each of the GranSim debug options specified
2130 help_par_debug_options(nat n) {
2133 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2135 fprintf(stderr, par_debug_opts_strs[i]);
2140 //@node Aux fcts, , GranSim specific options
2141 //@subsection Aux fcts
2143 static FILE * /* return NULL on error */
2146 int argc, char *argv[],
2147 int rts_argc, char *rts_argv[],
2148 const char *FILENAME_FMT)
2152 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2154 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2155 f = fopen(rts_argv[arg]+2,"w");
2157 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2158 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2159 f = fopen(stats_filename,"w");
2162 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2164 /* Write argv and rtsv into start of stats file */
2166 for(count = 0; count < argc; count++)
2167 fprintf(f, "%s ", argv[count]);
2168 fprintf(f, "+RTS ");
2169 for(count = 0; count < rts_argc; count++)
2170 fprintf(f, "%s ", rts_argv[count]);
2178 decode(const char *s)
2189 if (c == 'g' || c == 'G')
2190 m *= 1000*1000*1000; /* UNchecked! */
2191 else if (c == 'm' || c == 'M')
2192 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2193 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2194 m *= 1000; /* a direct-mapped cache. */
2195 else if (c == 'w' || c == 'W')
2202 bad_option(const char *s)
2204 prog_belch("bad RTS option: %s", s);
2205 stg_exit(EXIT_FAILURE);