1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.32 2000/10/06 15:35:09 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
27 #include "BlockAlloc.h"
28 #include "Itimer.h" /* CS_MIN_MILLISECS */
29 #include "Profiling.h"
31 #if defined(PROFILING)
39 extern struct RTS_FLAGS RtsFlags;
42 * Split argument lists
44 int prog_argc; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 int rts_argc; /* 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_strs[] = {
59 "DEBUG (-D1): scheduler\n",
60 "DEBUG (-D2): evaluator\n",
61 "DEBUG (-D4): codegen\n",
62 "DEBUG (-D8): weak\n",
63 "DEBUG (-D16): gccafs\n",
65 "DEBUG (-D64): block\n",
66 "DEBUG (-D128): sanity\n",
67 "DEBUG (-D256): stable\n",
68 "DEBUG (-D512): prof\n",
69 "DEBUG (-D1024): gran\n",
70 "DEBUG (-D2048): par\n",
71 "DEBUG (-D4096): linker\n"
74 char *debug_opts_prefix[] = {
92 char *gran_debug_opts_strs[] = {
93 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
94 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
95 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
96 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
97 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
98 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
99 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
100 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
101 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
102 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
103 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
104 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
105 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
106 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
107 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
110 /* one character codes for the available debug options */
111 char gran_debug_opts_flags[] = {
112 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
115 /* prefix strings printed with the debug messages of the corresponding type */
116 char *gran_debug_opts_prefix[] = {
117 "", /* event_trace */
118 "", /* event_stats */
121 "^^", /* checkSparkQ */
122 "==", /* thunkStealing */
123 "^^", /* randomSteal */
127 "::", /* checkLight */
129 "", /* blockOnFetch */
131 "" /* blockOnFetch_sanity */
136 char *par_debug_opts_strs[] = {
137 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
138 "DEBUG (-qDt, -qD2): trace; trace messages.\n",
139 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
140 "DEBUG (-qDe, -qD8): free; free messages.\n",
141 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
142 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
143 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
144 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
145 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
146 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
147 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
148 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
149 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n"
152 /* one character codes for the available debug options */
153 char par_debug_opts_flags[] = {
154 'v', 't', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p'
157 /* prefix strings printed with the debug messages of the corresponding type */
158 char *par_debug_opts_prefix[] = {
175 //@node Static function decls, Command-line option parsing routines, Constants
176 //@subsection Static function decls
178 /* -----------------------------------------------------------------------------
179 Static function decls
180 -------------------------------------------------------------------------- */
182 static FILE * /* return NULL on error */
185 int argc, char *argv[],
186 int rts_argc, char *rts_argv[],
187 const char *FILENAME_FMT);
189 static I_ decode(const char *s);
190 static void bad_option(const char *s);
193 static void enable_GranSimLight(void);
194 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
195 static void set_GranSim_debug_options(nat n);
196 static void help_GranSim_debug_options(nat n);
198 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
199 static void set_par_debug_options(nat n);
200 static void help_par_debug_options(nat n);
203 static void set_debug_options(nat n);
204 static void help_debug_options(nat n);
207 //@node Command-line option parsing routines, GranSim specific options, Static function decls
208 //@subsection Command-line option parsing routines
210 /* -----------------------------------------------------------------------------
211 * Command-line option parsing routines.
212 * ---------------------------------------------------------------------------*/
214 void initRtsFlagsDefaults(void)
216 RtsFlags.GcFlags.statsFile = NULL;
217 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
219 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
220 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
222 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
223 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
224 RtsFlags.GcFlags.maxHeapSize = (64 * 1024 * 1024) / BLOCK_SIZE;
225 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
226 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
227 RtsFlags.GcFlags.oldGenFactor = 2;
228 RtsFlags.GcFlags.generations = 2;
229 RtsFlags.GcFlags.steps = 2;
231 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
233 #if defined(PROFILING) || defined(PAR)
234 RtsFlags.CcFlags.doCostCentres = 0;
235 #endif /* PROFILING or PAR */
238 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
239 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
241 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
244 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
247 RtsFlags.ParFlags.nNodes = 1;
251 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
252 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
253 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
254 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
255 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
256 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
258 RtsFlags.ParFlags.outputDisabled = rtsFalse;
259 RtsFlags.ParFlags.packBufferSize = 1024;
261 RtsFlags.ParFlags.maxThreads = 1024;
262 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
263 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
266 #if defined(PAR) || defined(SMP)
267 RtsFlags.ParFlags.maxLocalSparks = 4096;
268 #endif /* PAR || SMP */
271 /* ToDo: check defaults for GranSim and GUM */
272 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
273 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
275 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
276 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
277 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
278 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
279 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
280 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
281 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
282 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
284 RtsFlags.GranFlags.packBufferSize = 1024;
285 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
287 RtsFlags.GranFlags.proc = MAX_PROC;
288 RtsFlags.GranFlags.Fishing = rtsFalse;
289 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
290 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
291 RtsFlags.GranFlags.Light = rtsFalse;
293 RtsFlags.GranFlags.Costs.latency = LATENCY;
294 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
295 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
296 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
297 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
298 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
299 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
300 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
302 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
303 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
304 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
305 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
306 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
308 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
309 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
310 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
311 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
312 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
314 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
316 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
317 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
319 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
320 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
321 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
322 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
323 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
324 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
325 RtsFlags.GranFlags.FetchStrategy = 2;
326 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
327 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
328 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
329 RtsFlags.GranFlags.SparkPriority = 0;
330 RtsFlags.GranFlags.SparkPriority2 = 0;
331 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
332 RtsFlags.GranFlags.InversePriorities = rtsFalse;
333 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
334 RtsFlags.GranFlags.ThunksToPack = 0;
335 RtsFlags.GranFlags.RandomSteal = rtsTrue;
339 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
340 RtsFlags.TickyFlags.tickyFile = NULL;
347 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
349 " +RTS Indicates run time system options follow",
350 " -RTS Indicates program arguments follow",
351 " --RTS Indicates that ALL subsequent arguments will be given to the",
352 " program (including any of these RTS flags)",
354 "The following run time system options are available:",
356 " -? -f Prints this message and exits; the program is not executed",
358 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
359 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
361 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
362 " -M<size> Sets the maximum heap size (default 64M) Egs: -M256k -M1G",
363 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
364 " -m<n>% Minimum % of heap which must be available (default 3%)",
365 " -G<n> Number of generations (default: 2)",
366 " -T<n> Number of steps in younger generations (default: 2)",
367 " -s<file> Summary GC statistics (default file: <program>.stat)",
368 " -S<file> Detailed GC statistics (with -Sstderr going to stderr)",
371 " -Z Don't squeeze out update frames on stack overflow",
372 " -B Sound the bell at the start of each garbage collection",
373 #if defined(PROFILING) || defined(PAR)
375 " -px Time/allocation profile (XML) (output file <program>.prof)",
376 " -p<sort> Time/allocation profile (output file <program>.prof)",
377 " sort: T = time (default), A = alloc, C = cost centre label",
378 " -P<sort> More detailed Time/Allocation profile"
379 # if defined(PROFILING)
381 " -hx Heap residency profile (XML) (output file <program>.prof)",
382 " -h<break-down> Heap residency profile (text) (output file <program>.prof)",
383 " break-down: C = cost centre stack (default), M = module",
384 " D = closure description, Y = type description",
386 " -xc Show current cost centre stack on raising an exception",
388 #endif /* PROFILING or PAR */
389 #if !defined(PROFILING) && defined(DEBUG)
391 " -h<break-down> Debugging Heap residency profile",
392 " (output file <program>.hp)",
393 " break-down: L = closure label (default)",
394 " T = closure type (constructor, thunk etc.)",
397 #if defined(TICKY_TICKY)
398 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
402 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
403 /* NB: the -N<n> is implemented by the driver!! */
405 " -C<secs> Context-switch interval in seconds",
406 " (0 or no argument means switch as often as possible)",
407 " the default is .02 sec; resolution is .02 sec",
409 " -N<n> Use <n> OS threads (default: 1)",
411 #if defined(SMP) || defined(PAR)
412 " -e<size> Size of spark pools (default 100)",
415 " -t<num> Set maximum number of advisory threads per PE (default 32)",
416 " -qP Enable activity profile (output files in ~/<program>*.gr)",
417 " -qQ<size> Set pack-buffer size (default: 1024)",
418 " -qd Turn on PVM-ish debugging",
419 " -qO Disable output for performance measurement",
421 #if defined(SMP) || defined(PAR)
422 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
425 " -d Turn on PVM-ish debugging",
426 " -O Disable output for performance measurement",
428 #if defined(GRAN) /* ToDo: fill in decent Docu here */
429 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
432 "Other RTS options may be available for programs compiled a different way.",
433 "The GHC User's Guide has full details.",
438 static __inline__ rtsBool
439 strequal(const char *a, const char * b)
441 return(strcmp(a, b) == 0);
445 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
447 rtsBool error = rtsFalse;
452 /* Remove directory from argv[0] -- default files in current directory */
454 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
455 strcpy(argv[0], last_slash+1);
457 /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
458 /* argv[0] must be PGM argument -- leave in argv */
466 for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
467 if (strequal("+RTS", argv[arg])) {
470 else if (strequal("-RTS", argv[arg])) {
473 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
474 rts_argv[(*rts_argc)++] = argv[arg];
476 else if (mode == PGM) {
477 argv[(*argc)++] = argv[arg];
480 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
483 if (arg < total_arg) {
484 /* arg must be --RTS; process remaining program arguments */
485 while (++arg < total_arg) {
486 argv[(*argc)++] = argv[arg];
489 argv[*argc] = (char *) 0;
490 rts_argv[*rts_argc] = (char *) 0;
492 /* Process RTS (rts_argv) part: mainly to determine statsfile */
494 for (arg = 0; arg < *rts_argc; arg++) {
495 if (rts_argv[arg][0] != '-') {
497 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
501 switch(rts_argv[arg][1]) {
503 /* process: general args, then PROFILING-only ones,
504 then CONCURRENT-only, PARallel-only, GRAN-only,
505 TICKY-only (same order as defined in RtsFlags.lh);
506 within those groups, mostly in case-insensitive
508 Final group is x*, which allows for more options.
512 # define TICKY_BUILD_ONLY(x) x
514 # define TICKY_BUILD_ONLY(x) \
515 prog_belch("GHC not built for: ticky-ticky stats"); \
519 #if defined(PROFILING)
520 # define COST_CENTRE_USING_BUILD_ONLY(x) x
522 # define COST_CENTRE_USING_BUILD_ONLY(x) \
523 prog_belch("GHC not built for: -prof or -parallel"); \
528 # define PROFILING_BUILD_ONLY(x) x
530 # define PROFILING_BUILD_ONLY(x) \
531 prog_belch("GHC not built for: -prof"); \
536 # define SMP_BUILD_ONLY(x) x
538 # define SMP_BUILD_ONLY(x) \
539 prog_belch("GHC not built for: -parallel"); \
544 # define PAR_BUILD_ONLY(x) x
546 # define PAR_BUILD_ONLY(x) \
547 prog_belch("GHC not built for: -parallel"); \
551 #if defined(SMP) || defined(PAR)
552 # define PAR_OR_SMP_BUILD_ONLY(x) x
554 # define PAR_OR_SMP_BUILD_ONLY(x) \
555 prog_belch("GHC not built for: -parallel or -smp"); \
560 # define GRAN_BUILD_ONLY(x) x
562 # define GRAN_BUILD_ONLY(x) \
563 prog_belch("GHC not built for: -gransim"); \
567 /* =========== GENERAL ========================== */
574 RtsFlags.GcFlags.minAllocAreaSize
575 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
576 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
577 bad_option(rts_argv[arg]);
582 RtsFlags.GcFlags.ringBell = rtsTrue;
586 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
588 if (RtsFlags.GcFlags.oldGenFactor < 0)
589 bad_option( rts_argv[arg] );
594 if (isdigit(rts_argv[arg][2])) {/* Set all debugging options in one */
595 /* hack warning: interpret the flags as a binary number */
596 nat n = decode(rts_argv[arg]+2);
597 set_debug_options(n);
603 RtsFlags.GcFlags.maxStkSize =
604 decode(rts_argv[arg]+2) / sizeof(W_);
606 if (RtsFlags.GcFlags.maxStkSize == 0)
607 bad_option( rts_argv[arg] );
611 RtsFlags.GcFlags.initialStkSize =
612 decode(rts_argv[arg]+2) / sizeof(W_);
614 if (RtsFlags.GcFlags.initialStkSize == 0)
615 bad_option( rts_argv[arg] );
619 RtsFlags.GcFlags.maxHeapSize =
620 decode(rts_argv[arg]+2) / BLOCK_SIZE;
621 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
623 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
624 bad_option(rts_argv[arg]);
629 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
631 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
632 RtsFlags.GcFlags.pcFreeHeap > 100)
633 bad_option( rts_argv[arg] );
637 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
638 if (RtsFlags.GcFlags.generations < 1) {
639 bad_option(rts_argv[arg]);
644 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
645 if (RtsFlags.GcFlags.steps < 1) {
646 bad_option(rts_argv[arg]);
651 RtsFlags.GcFlags.heapSizeSuggestion =
652 decode(rts_argv[arg]+2) / BLOCK_SIZE;
654 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
655 bad_option(rts_argv[arg]);
660 RtsFlags.GcFlags.giveStats ++;
663 RtsFlags.GcFlags.giveStats ++;
665 /* Opening all those files would almost certainly fail... */
666 RtsFlags.ParFlags.ParStats.Full = rtsTrue;
667 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
669 RtsFlags.GcFlags.statsFile
670 = open_stats_file(arg, *argc, argv,
671 *rts_argc, rts_argv, STAT_FILENAME_FMT);
673 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
678 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
681 /* =========== PROFILING ========================== */
683 case 'P': /* detailed cost centre profiling (time/alloc) */
684 COST_CENTRE_USING_BUILD_ONLY(
685 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_VERBOSE;
687 case 'p': /* cost centre profiling (time/alloc) */
688 COST_CENTRE_USING_BUILD_ONLY(
689 switch (rts_argv[arg][2]) {
691 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
694 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_SUMMARY;
699 case 'h': /* serial heap profile */
700 #if !defined(PROFILING) && defined(DEBUG)
701 switch (rts_argv[arg][2]) {
704 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
707 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
710 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
714 PROFILING_BUILD_ONLY(
715 switch (rts_argv[arg][2]) {
718 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
721 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
724 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
727 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
730 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
737 /* =========== CONCURRENT ========================= */
738 case 'C': /* context switch interval */
739 if (rts_argv[arg][2] == '\0')
740 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
744 /* Convert to milliseconds */
745 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
746 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
747 if (cst != 0 && cst < CS_MIN_MILLISECS)
748 cst = CS_MIN_MILLISECS;
750 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
757 if (rts_argv[arg][2] != '\0') {
758 RtsFlags.ParFlags.nNodes
759 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
760 if (RtsFlags.ParFlags.nNodes <= 0) {
761 prog_belch("bad value for -N");
767 /* =========== PARALLEL =========================== */
769 PAR_OR_SMP_BUILD_ONLY(
770 if (rts_argv[arg][2] != '\0') {
771 RtsFlags.ParFlags.maxLocalSparks
772 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
773 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
774 prog_belch("bad value for -e");
782 process_par_option(arg, rts_argc, rts_argv, &error);
785 /* =========== GRAN =============================== */
789 process_gran_option(arg, rts_argc, rts_argv, &error);
792 /* =========== TICKY ============================== */
794 case 'r': /* Basic profiling stats */
797 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
798 RtsFlags.TickyFlags.tickyFile
799 = open_stats_file(arg, *argc, argv,
800 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
802 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
805 /* =========== EXTENDED OPTIONS =================== */
807 case 'x': /* Extend the argument space */
808 switch(rts_argv[arg][2]) {
810 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
814 case 'c': /* Debugging tool: show current cost centre on an exception */
815 PROFILING_BUILD_ONLY(
816 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
819 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
822 prog_belch("unknown RTS option: %s",rts_argv[arg]);
826 break; /* defensive programming */
828 /* =========== OH DEAR ============================ */
830 prog_belch("unknown RTS option: %s",rts_argv[arg]);
840 for (p = usage_text; *p; p++)
842 stg_exit(EXIT_FAILURE);
848 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
849 //@subsection GranSim specific options
852 enable_GranSimLight(void) {
854 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
855 RtsFlags.GranFlags.Light=rtsTrue;
856 RtsFlags.GranFlags.Costs.latency =
857 RtsFlags.GranFlags.Costs.fetchtime =
858 RtsFlags.GranFlags.Costs.additional_latency =
859 RtsFlags.GranFlags.Costs.gunblocktime =
860 RtsFlags.GranFlags.Costs.lunblocktime =
861 RtsFlags.GranFlags.Costs.threadcreatetime =
862 RtsFlags.GranFlags.Costs.threadqueuetime =
863 RtsFlags.GranFlags.Costs.threadscheduletime =
864 RtsFlags.GranFlags.Costs.threaddescheduletime =
865 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
867 RtsFlags.GranFlags.Costs.mpacktime =
868 RtsFlags.GranFlags.Costs.munpacktime = 0;
870 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
871 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
872 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
873 /* FetchStrategy is irrelevant in GrAnSim-Light */
875 /* GrAnSim Light often creates an abundance of parallel threads,
876 each with its own stack etc. Therefore, it's in general a good
877 idea to use small stack chunks (use the -o<size> option to
880 // RtsFlags.ConcFlags.stkChunkSize = 100;
882 RtsFlags.GranFlags.proc = 1;
886 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
888 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
891 /* or a ridiculously idealised simulator */
892 if(strcmp((rts_argv[arg]+2),"oring")==0) {
893 RtsFlags.GranFlags.Costs.latency =
894 RtsFlags.GranFlags.Costs.fetchtime =
895 RtsFlags.GranFlags.Costs.additional_latency =
896 RtsFlags.GranFlags.Costs.gunblocktime =
897 RtsFlags.GranFlags.Costs.lunblocktime =
898 RtsFlags.GranFlags.Costs.threadcreatetime =
899 RtsFlags.GranFlags.Costs.threadqueuetime =
900 RtsFlags.GranFlags.Costs.threadscheduletime =
901 RtsFlags.GranFlags.Costs.threaddescheduletime =
902 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
904 RtsFlags.GranFlags.Costs.mpacktime =
905 RtsFlags.GranFlags.Costs.munpacktime = 0;
907 RtsFlags.GranFlags.Costs.arith_cost =
908 RtsFlags.GranFlags.Costs.float_cost =
909 RtsFlags.GranFlags.Costs.load_cost =
910 RtsFlags.GranFlags.Costs.store_cost =
911 RtsFlags.GranFlags.Costs.branch_cost = 0;
913 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
915 /* ++RtsFlags.GranFlags.DoFairSchedule; */
916 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
917 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
918 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
922 /* or a somewhat idealised simulator */
923 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
924 RtsFlags.GranFlags.Costs.latency =
925 RtsFlags.GranFlags.Costs.fetchtime =
926 RtsFlags.GranFlags.Costs.additional_latency =
927 RtsFlags.GranFlags.Costs.gunblocktime =
928 RtsFlags.GranFlags.Costs.lunblocktime =
929 RtsFlags.GranFlags.Costs.threadcreatetime =
930 RtsFlags.GranFlags.Costs.threadqueuetime =
931 RtsFlags.GranFlags.Costs.threadscheduletime =
932 RtsFlags.GranFlags.Costs.threaddescheduletime =
933 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
935 RtsFlags.GranFlags.Costs.mpacktime =
936 RtsFlags.GranFlags.Costs.munpacktime = 0;
938 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
940 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
941 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
942 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
943 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
944 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
945 # if defined(GRAN_CHECK) && defined(GRAN)
946 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
951 /* Communication and task creation cost parameters */
952 switch(rts_argv[arg][2]) {
954 IgnoreYields = rtsTrue; // HWL HACK
958 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
962 if (rts_argv[arg][3] != '\0')
964 RtsFlags.GranFlags.Costs.gunblocktime =
965 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
966 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
969 RtsFlags.GranFlags.Costs.latency = LATENCY;
973 if (rts_argv[arg][3] != '\0')
974 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
976 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
980 if (rts_argv[arg][3] != '\0')
981 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
983 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
987 if (rts_argv[arg][3] != '\0')
988 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
990 RtsFlags.GranFlags.Costs.mtidytime = 0;
994 if (rts_argv[arg][3] != '\0')
995 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
997 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1001 if (rts_argv[arg][3] != '\0')
1002 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1004 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1008 if (rts_argv[arg][3] != '\0')
1009 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1011 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1015 if (rts_argv[arg][3] != '\0')
1016 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1018 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1021 /* Thread-related metrics */
1023 if (rts_argv[arg][3] != '\0')
1024 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1026 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1030 if (rts_argv[arg][3] != '\0')
1031 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1033 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1037 if (rts_argv[arg][3] != '\0')
1038 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1040 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1042 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1043 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1047 if (rts_argv[arg][3] != '\0')
1048 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1050 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1052 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1053 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1056 /* Instruction Cost Metrics */
1058 if (rts_argv[arg][3] != '\0')
1059 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1061 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1065 if (rts_argv[arg][3] != '\0')
1066 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1068 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1072 if (rts_argv[arg][3] != '\0')
1073 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1075 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1079 if (rts_argv[arg][3] != '\0')
1080 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1082 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1086 if (rts_argv[arg][3] != '\0')
1087 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1089 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1093 if (rts_argv[arg][3] != '\0')
1094 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1096 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1100 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1101 if (rts_argv[arg][3] != '\0')
1102 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1104 RtsFlags.GranFlags.FetchStrategy = 2;
1105 if (RtsFlags.GranFlags.FetchStrategy == 0)
1106 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1109 case 'K': /* sort overhead (per elem in spark list) */
1110 if (rts_argv[arg][3] != '\0')
1111 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1113 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1114 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1115 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1118 case 'O': /* sort overhead (per elem in spark list) */
1119 if (rts_argv[arg][3] != '\0')
1120 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1122 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1123 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1124 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1127 /* General Parameters */
1129 if (rts_argv[arg][3] != '\0')
1131 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1132 if (RtsFlags.GranFlags.proc==0) {
1133 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1134 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1135 RtsFlags.GranFlags.proc < 1)
1137 fprintf(stderr,"setupRtsFlags: no more than %u processors
1144 RtsFlags.GranFlags.proc = MAX_PROC;
1148 RtsFlags.GranFlags.Fishing = rtsTrue;
1149 if (rts_argv[arg][3] != '\0')
1150 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1152 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1156 if (rts_argv[arg][3] != '\0')
1157 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1159 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1163 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1164 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1168 fprintf(stderr,"Bulk fetching enabled.\n");
1169 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1173 fprintf(stderr,"Thread migration enabled.\n");
1174 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1178 fprintf(stderr,"Fair Scheduling enabled.\n");
1179 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1183 fprintf(stderr,"Priority Scheduling enabled.\n");
1184 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1188 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1189 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1193 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1197 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1201 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1205 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1209 /* format is -bP<c> where <c> is one char describing kind of profile */
1210 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1211 switch(rts_argv[arg][3]) {
1212 case '\0': break; // nothing special, just an ordinary profile
1213 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1215 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1217 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1219 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1221 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1223 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1225 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1230 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1234 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1237 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1238 if (rts_argv[arg][3] != '\0') {
1241 arg0 = rts_argv[arg]+3;
1242 if ((tmp = strstr(arg0,","))==NULL) {
1243 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1244 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1247 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1248 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1249 fprintf(stderr,"SparkPriority: %u.\n",
1250 RtsFlags.GranFlags.SparkPriority);
1251 fprintf(stderr,"SparkPriority2:%u.\n",
1252 RtsFlags.GranFlags.SparkPriority2);
1253 if (RtsFlags.GranFlags.SparkPriority2 <
1254 RtsFlags.GranFlags.SparkPriority) {
1255 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1256 RtsFlags.GranFlags.SparkPriority2,
1257 RtsFlags.GranFlags.SparkPriority);
1261 /* plain pri spark is now invoked with -bX
1262 RtsFlags.GranFlags.DoPrioritySparking = 1;
1263 fprintf(stderr,"PrioritySparking.\n");
1269 if (rts_argv[arg][3] != '\0') {
1270 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1272 RtsFlags.GranFlags.ThunksToPack = 1;
1274 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1275 RtsFlags.GranFlags.ThunksToPack);
1279 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1280 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1283 /* The following class of options contains eXperimental */
1284 /* features in connection with exploiting granularity */
1285 /* information. I.e. if -bY is chosen these options */
1286 /* tell the RTS what to do with the supplied info --HWL */
1289 if (rts_argv[arg][3] != '\0') {
1290 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1292 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1294 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1295 RtsFlags.GranFlags.packBufferSize_internal);
1299 switch(rts_argv[arg][3]) {
1302 RtsFlags.GranFlags.DoPrioritySparking = 1;
1303 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1304 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1305 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1306 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1310 RtsFlags.GranFlags.DoPrioritySparking = 1;
1311 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1312 RtsFlags.GranFlags.InversePriorities++;
1316 RtsFlags.GranFlags.DoPrioritySparking = 1;
1317 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1318 RtsFlags.GranFlags.RandomPriorities++;
1322 RtsFlags.GranFlags.DoPrioritySparking = 1;
1323 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1324 RtsFlags.GranFlags.IgnorePriorities++;
1328 bad_option( rts_argv[arg] );
1334 switch(rts_argv[arg][3]) {
1337 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1338 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1342 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1346 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1350 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1354 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1355 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1359 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1363 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1367 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1371 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1375 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1379 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1383 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1387 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1388 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1392 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1396 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1400 bad_option( rts_argv[arg] );
1405 # if defined(GRAN_CHECK) && defined(GRAN)
1407 switch(rts_argv[arg][3]) {
1408 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1409 if (rts_argv[arg][4] != '\0') {
1410 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1411 fprintf(stderr,"Pack buffer size: %d\n",
1412 RtsFlags.GranFlags.packBufferSize);
1414 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1420 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1421 /* hack warning: interpret the flags as a binary number */
1422 nat n = decode(rts_argv[arg]+3);
1423 set_GranSim_debug_options(n);
1426 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1427 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1430 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1431 fprintf(stderr, "Valid GranSim debug options are:\n");
1432 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1433 bad_option( rts_argv[arg] );
1434 } else { // flag found; now set it
1435 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1441 case 'e': /* event trace; also -bD1 */
1442 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1443 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1444 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1447 case 'E': /* event statistics; also -bD2 */
1448 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1449 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1450 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1453 case 'f': /* thunkStealing; also -bD4 */
1454 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1455 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1456 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1459 case 'z': /* blockOnFetch; also -bD8 */
1460 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1461 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1462 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1465 case 't': /* blockOnFetch_sanity; also -bD16 */
1466 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1467 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1468 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1471 case 'S': /* priSpark; also -bD32 */
1472 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1473 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1476 case 's': /* priSched; also -bD64 */
1477 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1478 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1481 case 'F': /* findWork; also -bD128 */
1482 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1483 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1486 case 'g': /* globalBlock; also -bD256 */
1487 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1488 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1491 case 'G': /* pack; also -bD512 */
1492 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1493 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1496 case 'P': /* packBuffer; also -bD1024 */
1497 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1498 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1501 case 'o': /* sortedQ; also -bD2048 */
1502 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1503 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1506 case 'r': /* randomSteal; also -bD4096 */
1507 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1508 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1511 case 'q': /* checkSparkQ; also -bD8192 */
1512 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1513 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1516 case ':': /* checkLight; also -bD16384 */
1517 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1518 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1521 case 'b': /* bq; also -bD32768 */
1522 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1523 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1526 case 'd': /* all options turned on */
1527 fprintf(stderr,"DEBUG: all options turned on.\n");
1528 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1529 /* RtsFlags.GranFlags.Debug |= 0x40; */
1533 /* RtsFlags.GranFlags.Debug = 1; */
1539 # endif /* GRAN_CHECK */
1541 bad_option( rts_argv[arg] );
1547 Interpret n as a binary number masking GranSim debug options and set the
1548 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1551 set_GranSim_debug_options(nat n) {
1554 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1556 fprintf(stderr, gran_debug_opts_strs[i]);
1558 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1559 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1560 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1561 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1562 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1563 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1564 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1565 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1566 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1567 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1568 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1569 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1570 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1571 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1572 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1573 default: barf("set_GranSim_debug_options: only %d debug options expected");
1579 Print one line explanation for each of the GranSim debug options specified
1583 help_GranSim_debug_options(nat n) {
1586 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1588 fprintf(stderr, gran_debug_opts_strs[i]);
1594 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1596 if (rts_argv[arg][1] != 'q') /* All GUM options start with -q */
1599 /* Communication and task creation cost parameters */
1600 switch(rts_argv[arg][2]) {
1601 case 'e': /* -qe<n> ... allow <n> local sparks */
1602 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1603 RtsFlags.ParFlags.maxLocalSparks
1604 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1606 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1607 belch("setupRtsFlags: bad value for -e\n");
1611 IF_PAR_DEBUG(verbose,
1612 belch("-qe<n>: max %d local sparks",
1613 RtsFlags.ParFlags.maxLocalSparks));
1617 if (rts_argv[arg][3] != '\0') {
1618 RtsFlags.ParFlags.maxThreads
1619 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1621 belch("setupRtsFlags: missing size for -qt\n");
1624 IF_PAR_DEBUG(verbose,
1625 belch("-qt<n>: max %d threads",
1626 RtsFlags.ParFlags.maxThreads));
1630 if (rts_argv[arg][3] != '\0')
1631 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1633 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1635 IF_PAR_DEBUG(verbose,
1636 belch("-qf<n>: max %d fishes sent out at one time",
1637 RtsFlags.ParFlags.maxFishes));
1642 if (rts_argv[arg][3] != '\0') {
1643 RtsFlags.ParFlags.fishDelay
1644 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1646 belch("setupRtsFlags: missing fish delay time for -qd\n");
1649 IF_PAR_DEBUG(verbose,
1650 belch("-qd<n>: fish delay time %d",
1651 RtsFlags.ParFlags.fishDelay));
1655 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1656 IF_PAR_DEBUG(verbose,
1657 belch("-qO: output disabled"));
1660 case 'P': /* -qP for writing a log file */
1661 RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1662 /* same encoding as in GranSim after -bP */
1663 switch(rts_argv[arg][3]) {
1664 case '\0': break; // nothing special, just an ordinary profile
1665 //case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1667 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1669 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1671 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1673 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1675 case 'g': RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1677 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1679 IF_PAR_DEBUG(verbose,
1680 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1681 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1684 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1685 if (rts_argv[arg][3] != '\0') {
1686 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1688 belch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1691 IF_PAR_DEBUG(verbose,
1692 belch("-qQ<n>: pack buffer size set to %d",
1693 RtsFlags.ParFlags.packBufferSize));
1698 if (rts_argv[arg][3] != '\0') {
1699 RtsFlags.ParFlags.wait
1700 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1702 RtsFlags.ParFlags.wait = 1000;
1704 IF_PAR_DEBUG(verbose,
1705 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1706 RtsFlags.ParFlags.wait));
1709 case 'D': /* -qD ... all the debugging options */
1710 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1711 /* hack warning: interpret the flags as a binary number */
1712 nat n = decode(rts_argv[arg]+3);
1713 set_par_debug_options(n);
1716 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1717 if (rts_argv[arg][3] == par_debug_opts_flags[i])
1720 if (i==MAX_PAR_DEBUG_OPTION+1) {
1721 fprintf(stderr, "Valid GUM debug options are:\n");
1722 help_par_debug_options(MAX_PAR_DEBUG_MASK);
1723 bad_option( rts_argv[arg] );
1724 } else { // flag found; now set it
1725 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
1731 belch("Unknown option -q%c", rts_argv[arg][2]);
1737 Interpret n as a binary number masking Par debug options and set the
1738 correxponding option. See par_debug_opts_strs for explanations of the flags.
1741 set_par_debug_options(nat n) {
1744 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1746 fprintf(stderr, par_debug_opts_strs[i]);
1748 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
1749 case 1: RtsFlags.ParFlags.Debug.trace = rtsTrue; break;
1750 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
1751 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
1752 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
1753 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
1754 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
1755 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
1756 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
1757 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
1758 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
1759 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
1760 default: barf("set_par_debug_options: only %d debug options expected");
1766 Print one line explanation for each of the GranSim debug options specified
1770 help_par_debug_options(nat n) {
1773 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1775 fprintf(stderr, par_debug_opts_strs[i]);
1782 set_debug_options(nat n) {
1785 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1787 fprintf(stderr, debug_opts_strs[i]);
1789 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
1790 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
1791 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
1792 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
1793 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
1794 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
1795 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
1796 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
1797 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
1798 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
1799 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
1800 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
1801 case 12: RtsFlags.DebugFlags.linker = rtsTrue; break;
1807 help_debug_options(nat n) {
1810 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1812 fprintf(stderr, debug_opts_strs[i]);
1816 //@node Aux fcts, , GranSim specific options
1817 //@subsection Aux fcts
1819 static FILE * /* return NULL on error */
1822 int argc, char *argv[],
1823 int rts_argc, char *rts_argv[],
1824 const char *FILENAME_FMT)
1828 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1830 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1831 f = fopen(rts_argv[arg]+2,"w");
1833 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1834 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1835 f = fopen(stats_filename,"w");
1838 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1840 /* Write argv and rtsv into start of stats file */
1842 for(count = 0; count < argc; count++)
1843 fprintf(f, "%s ", argv[count]);
1844 fprintf(f, "+RTS ");
1845 for(count = 0; count < rts_argc; count++)
1846 fprintf(f, "%s ", rts_argv[count]);
1854 decode(const char *s)
1865 if (c == 'g' || c == 'G')
1866 m *= 1000*1000*1000; /* UNchecked! */
1867 else if (c == 'm' || c == 'M')
1868 m *= 1000*1000; /* We do not use powers of 2 (1024) */
1869 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
1870 m *= 1000; /* a direct-mapped cache. */
1871 else if (c == 'w' || c == 'W')
1878 bad_option(const char *s)
1880 prog_belch("bad RTS option: %s", s);
1881 stg_exit(EXIT_FAILURE);