2 /* -----------------------------------------------------------------------------
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
11 #include "PosixSource.h"
15 #include "BlockAlloc.h"
16 #include "Timer.h" /* CS_MIN_MILLISECS */
17 #include "Profiling.h"
30 * Split argument lists
32 int prog_argc = 0; /* an "int" so as to match normal "argc" */
33 char **prog_argv = NULL;
34 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
35 int rts_argc = 0; /* ditto */
36 char *rts_argv[MAX_RTS_ARGS];
39 * constants, used later
46 static char *gran_debug_opts_strs[] = {
47 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
48 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
49 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
50 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
51 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
52 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
53 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
54 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
55 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
56 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
57 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
58 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
59 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
60 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
61 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
64 /* one character codes for the available debug options */
65 static char gran_debug_opts_flags[] = {
66 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
71 static char *par_debug_opts_strs[] = {
72 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
73 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
74 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
75 "DEBUG (-qDe, -qD8): free; free messages.\n",
76 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
77 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
78 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
79 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
80 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
81 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
82 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
83 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
84 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
85 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
88 /* one character codes for the available debug options */
89 static char par_debug_opts_flags[] = {
90 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
95 /* -----------------------------------------------------------------------------
97 -------------------------------------------------------------------------- */
99 static int /* return NULL on error */
102 int argc, char *argv[],
103 int rts_argc, char *rts_argv[],
104 const char *FILENAME_FMT,
107 static I_ decode(const char *s);
108 static void bad_option(const char *s);
111 static void enable_GranSimLight(void);
112 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
113 static void set_GranSim_debug_options(nat n);
114 static void help_GranSim_debug_options(nat n);
116 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
117 static void set_par_debug_options(nat n);
118 static void help_par_debug_options(nat n);
121 /* -----------------------------------------------------------------------------
122 * Command-line option parsing routines.
123 * ---------------------------------------------------------------------------*/
125 void initRtsFlagsDefaults(void)
127 RtsFlags.GcFlags.statsFile = NULL;
128 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
130 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
131 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
133 RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
134 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
135 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
136 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
137 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
138 RtsFlags.GcFlags.oldGenFactor = 2;
140 /* A hack currently needed for GUM -- HWL */
141 RtsFlags.GcFlags.generations = 1;
142 RtsFlags.GcFlags.steps = 2;
143 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
145 RtsFlags.GcFlags.generations = 2;
146 RtsFlags.GcFlags.steps = 2;
147 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
149 RtsFlags.GcFlags.compact = rtsFalse;
150 RtsFlags.GcFlags.compactThreshold = 30.0;
151 #ifdef RTS_GTK_FRONTPANEL
152 RtsFlags.GcFlags.frontpanel = rtsFalse;
154 RtsFlags.GcFlags.idleGCDelayTicks = 300 / TICK_MILLISECS; /* ticks */
157 RtsFlags.DebugFlags.scheduler = rtsFalse;
158 RtsFlags.DebugFlags.interpreter = rtsFalse;
159 RtsFlags.DebugFlags.codegen = rtsFalse;
160 RtsFlags.DebugFlags.weak = rtsFalse;
161 RtsFlags.DebugFlags.gccafs = rtsFalse;
162 RtsFlags.DebugFlags.gc = rtsFalse;
163 RtsFlags.DebugFlags.block_alloc = rtsFalse;
164 RtsFlags.DebugFlags.sanity = rtsFalse;
165 RtsFlags.DebugFlags.stable = rtsFalse;
166 RtsFlags.DebugFlags.stm = rtsFalse;
167 RtsFlags.DebugFlags.prof = rtsFalse;
168 RtsFlags.DebugFlags.gran = rtsFalse;
169 RtsFlags.DebugFlags.par = rtsFalse;
170 RtsFlags.DebugFlags.linker = rtsFalse;
171 RtsFlags.DebugFlags.squeeze = rtsFalse;
174 #if defined(PROFILING) || defined(PAR)
175 RtsFlags.CcFlags.doCostCentres = 0;
176 #endif /* PROFILING or PAR */
179 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
180 RtsFlags.ProfFlags.profileInterval = 100;
181 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
182 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
183 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
184 RtsFlags.ProfFlags.modSelector = NULL;
185 RtsFlags.ProfFlags.descrSelector = NULL;
186 RtsFlags.ProfFlags.typeSelector = NULL;
187 RtsFlags.ProfFlags.ccSelector = NULL;
188 RtsFlags.ProfFlags.ccsSelector = NULL;
189 RtsFlags.ProfFlags.retainerSelector = NULL;
190 RtsFlags.ProfFlags.bioSelector = NULL;
193 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
196 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
199 RtsFlags.ParFlags.nNodes = 1;
200 RtsFlags.ParFlags.migrate = rtsTrue;
201 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
205 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
206 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
207 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
208 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
209 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
210 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
211 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
213 RtsFlags.ParFlags.outputDisabled = rtsFalse;
215 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
217 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
219 RtsFlags.ParFlags.packBufferSize = 1024;
220 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
221 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
222 RtsFlags.ParFlags.maxThreads = 1024;
223 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
224 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
227 #if defined(PAR) || defined(THREADED_RTS)
228 RtsFlags.ParFlags.maxLocalSparks = 4096;
229 #endif /* PAR || THREADED_RTS */
232 /* ToDo: check defaults for GranSim and GUM */
233 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
234 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
236 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
237 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
238 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
239 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
240 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
241 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
242 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
243 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
245 RtsFlags.GranFlags.packBufferSize = 1024;
246 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
248 RtsFlags.GranFlags.proc = MAX_PROC;
249 RtsFlags.GranFlags.Fishing = rtsFalse;
250 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
251 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
252 RtsFlags.GranFlags.Light = rtsFalse;
254 RtsFlags.GranFlags.Costs.latency = LATENCY;
255 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
256 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
257 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
258 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
259 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
260 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
261 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
263 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
264 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
265 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
266 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
267 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
269 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
270 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
271 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
272 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
273 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
275 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
277 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
278 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
280 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
281 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
282 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
283 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
284 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
285 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
286 RtsFlags.GranFlags.FetchStrategy = 2;
287 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
288 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
289 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
290 RtsFlags.GranFlags.SparkPriority = 0;
291 RtsFlags.GranFlags.SparkPriority2 = 0;
292 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
293 RtsFlags.GranFlags.InversePriorities = rtsFalse;
294 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
295 RtsFlags.GranFlags.ThunksToPack = 0;
296 RtsFlags.GranFlags.RandomSteal = rtsTrue;
300 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
301 RtsFlags.TickyFlags.tickyFile = NULL;
308 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
310 " +RTS Indicates run time system options follow",
311 " -RTS Indicates program arguments follow",
312 " --RTS Indicates that ALL subsequent arguments will be given to the",
313 " program (including any of these RTS flags)",
315 "The following run time system options are available:",
317 " -? Prints this message and exits; the program is not executed",
319 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
320 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
322 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
323 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
324 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
325 " -m<n> Minimum % of heap which must be available (default 3%)",
326 " -G<n> Number of generations (default: 2)",
327 " -T<n> Number of steps in younger generations (default: 2)",
328 " -c<n> Auto-enable compaction of the oldest generation when live data is",
329 " at least <n>% of the maximum heap size set with -M (default: 30%)",
330 " -c Enable compaction for all major collections",
331 #if defined(THREADED_RTS)
332 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
335 " -t<file> One-line GC statistics (default file: <program>.stat)",
336 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
337 " -S<file> Detailed GC statistics",
338 #ifdef RTS_GTK_FRONTPANEL
339 " -f Display front panel (requires X11 & GTK+)",
343 " -Z Don't squeeze out update frames on stack overflow",
344 " -B Sound the bell at the start of each garbage collection",
345 #if defined(PROFILING) || defined(PAR)
347 " -px Time/allocation profile (XML) (output file <program>.prof)",
348 " -p Time/allocation profile (output file <program>.prof)",
349 " -P More detailed Time/Allocation profile",
350 " -Pa Give information about *all* cost centres",
352 # if defined(PROFILING)
354 " -hx Heap residency profile (XML) (output file <program>.prof)",
355 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
356 " break-down: c = cost centre stack (default)",
358 " d = closure description",
359 " y = type description",
361 " b = biography (LAG,DRAG,VOID,USE)",
362 " A subset of closures may be selected thusly:",
363 " -hc<cc>,... specific cost centre(s) (top of stack only)",
364 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
365 " -hm<mod>... all cost centres from the specified modules(s)",
366 " -hd<des>,... closures with specified closure descriptions",
367 " -hy<typ>... closures with specified type descriptions",
368 " -hr<cc>... closures with specified retainers",
369 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
371 " -R<size> Set the maximum retainer set size (default: 8)",
373 " -i<sec> Time between heap samples (seconds, default: 0.1)",
375 " -xt Include threads (TSOs) in a heap profile",
377 " -xc Show current cost centre stack on raising an exception",
379 #endif /* PROFILING or PAR */
380 #if !defined(PROFILING) && defined(DEBUG)
382 " -h<break-down> Debugging Heap residency profile",
383 " (output file <program>.hp)",
384 " break-down: L = closure label (default)",
385 " T = closure type (constructor, thunk etc.)",
388 #if defined(TICKY_TICKY)
389 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
393 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
394 /* NB: the -N<n> is implemented by the driver!! */
396 " -C<secs> Context-switch interval in seconds",
397 " (0 or no argument means switch as often as possible)",
398 " the default is .02 sec; resolution is .02 sec",
401 " -Ds DEBUG: scheduler",
402 " -Di DEBUG: interpreter",
403 " -Dc DEBUG: codegen",
405 " -DG DEBUG: gccafs",
408 " -DS DEBUG: sanity",
409 " -Dt DEBUG: stable",
413 " -Dl DEBUG: linker",
415 " -Dz DEBUG: stack squezing",
418 #if defined(THREADED_RTS)
419 " -N<n> Use <n> OS threads (default: 1)",
420 " -qm Don't automatically migrate threads between CPUs",
421 " -qw Migrate a thread to the current CPU when it is woken up",
423 #if defined(THREADED_RTS) || defined(PAR)
424 " -e<size> Size of spark pools (default 100)",
427 " -t<num> Set maximum number of advisory threads per PE (default 32)",
428 " -qP Enable activity profile (output files in ~/<program>*.gr)",
429 " -qQ<size> Set pack-buffer size (default: 1024)",
430 " -qd Turn on PVM-ish debugging",
431 " -qO Disable output for performance measurement",
433 #if defined(THREADED_RTS) || defined(PAR)
434 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
437 " -d Turn on PVM-ish debugging",
438 " -O Disable output for performance measurement",
440 #if defined(GRAN) /* ToDo: fill in decent Docu here */
441 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
444 "RTS options may also be specified using the GHCRTS environment variable.",
446 "Other RTS options may be available for programs compiled a different way.",
447 "The GHC User's Guide has full details.",
452 STATIC_INLINE rtsBool
453 strequal(const char *a, const char * b)
455 return(strcmp(a, b) == 0);
459 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
465 while (isspace(*c1)) { c1++; };
467 while (!isspace(*c2) && *c2 != '\0') { c2++; };
469 if (c1 == c2) { break; }
471 if (*rts_argc < MAX_RTS_ARGS-1) {
472 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
473 strncpy(s, c1, c2-c1);
475 rts_argv[(*rts_argc)++] = s;
477 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
481 } while (*c1 != '\0');
485 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
487 rtsBool error = rtsFalse;
498 // process arguments from the ghc_rts_opts global variable first.
499 // (arguments from the GHCRTS environment variable and the command
500 // line override these).
502 if (ghc_rts_opts != NULL) {
503 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
507 // process arguments from the GHCRTS environment variable next
508 // (arguments from the command line override these).
510 char *ghc_rts = getenv("GHCRTS");
512 if (ghc_rts != NULL) {
513 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
517 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
518 // argv[0] must be PGM argument -- leave in argv
520 for (mode = PGM; arg < total_arg; arg++) {
521 // The '--RTS' argument disables all future +RTS ... -RTS processing.
522 if (strequal("--RTS", argv[arg])) {
526 // The '--' argument is passed through to the program, but
527 // disables all further +RTS ... -RTS processing.
528 else if (strequal("--", argv[arg])) {
531 else if (strequal("+RTS", argv[arg])) {
534 else if (strequal("-RTS", argv[arg])) {
537 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
538 rts_argv[(*rts_argc)++] = argv[arg];
540 else if (mode == PGM) {
541 argv[(*argc)++] = argv[arg];
544 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
547 // process remaining program arguments
548 for (; arg < total_arg; arg++) {
549 argv[(*argc)++] = argv[arg];
551 argv[*argc] = (char *) 0;
552 rts_argv[*rts_argc] = (char *) 0;
554 // Process RTS (rts_argv) part: mainly to determine statsfile
555 for (arg = 0; arg < *rts_argc; arg++) {
556 if (rts_argv[arg][0] != '-') {
558 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
562 switch(rts_argv[arg][1]) {
564 /* process: general args, then PROFILING-only ones,
565 then CONCURRENT-only, PARallel-only, GRAN-only,
566 TICKY-only (same order as defined in RtsFlags.lh);
567 within those groups, mostly in case-insensitive
569 Final group is x*, which allows for more options.
573 # define TICKY_BUILD_ONLY(x) x
575 # define TICKY_BUILD_ONLY(x) \
576 errorBelch("not built for: ticky-ticky stats"); \
580 #if defined(PROFILING)
581 # define COST_CENTRE_USING_BUILD_ONLY(x) x
583 # define COST_CENTRE_USING_BUILD_ONLY(x) \
584 errorBelch("not built for: -prof or -parallel"); \
589 # define PROFILING_BUILD_ONLY(x) x
591 # define PROFILING_BUILD_ONLY(x) \
592 errorBelch("not built for: -prof"); \
597 # define PAR_BUILD_ONLY(x) x
599 # define PAR_BUILD_ONLY(x) \
600 errorBelch("not built for: -parallel"); \
605 # define THREADED_BUILD_ONLY(x) x
607 # define THREADED_BUILD_ONLY(x) \
608 errorBelch("not built for: -smp"); \
612 #if defined(THREADED_RTS) || defined(PAR)
613 # define PAR_OR_THREADED_BUILD_ONLY(x) x
615 # define PAR_OR_THREADED_BUILD_ONLY(x) \
616 errorBelch("not built for: -parallel or -smp"); \
621 # define GRAN_BUILD_ONLY(x) x
623 # define GRAN_BUILD_ONLY(x) \
624 errorBelch("not built for: -gransim"); \
628 /* =========== GENERAL ========================== */
634 RtsFlags.GcFlags.minAllocAreaSize
635 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
636 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
637 bad_option(rts_argv[arg]);
642 RtsFlags.GcFlags.ringBell = rtsTrue;
646 if (rts_argv[arg][2] != '\0') {
647 RtsFlags.GcFlags.compactThreshold =
648 atof(rts_argv[arg]+2);
650 RtsFlags.GcFlags.compact = rtsTrue;
655 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
657 if (RtsFlags.GcFlags.oldGenFactor < 0)
658 bad_option( rts_argv[arg] );
666 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
669 RtsFlags.DebugFlags.scheduler = rtsTrue;
672 RtsFlags.DebugFlags.interpreter = rtsTrue;
675 RtsFlags.DebugFlags.codegen = rtsTrue;
678 RtsFlags.DebugFlags.weak = rtsTrue;
681 RtsFlags.DebugFlags.gccafs = rtsTrue;
684 RtsFlags.DebugFlags.gc = rtsTrue;
687 RtsFlags.DebugFlags.block_alloc = rtsTrue;
690 RtsFlags.DebugFlags.sanity = rtsTrue;
693 RtsFlags.DebugFlags.stable = rtsTrue;
696 RtsFlags.DebugFlags.prof = rtsTrue;
699 RtsFlags.DebugFlags.gran = rtsTrue;
702 RtsFlags.DebugFlags.par = rtsTrue;
705 RtsFlags.DebugFlags.linker = rtsTrue;
708 RtsFlags.DebugFlags.apply = rtsTrue;
711 RtsFlags.DebugFlags.stm = rtsTrue;
714 RtsFlags.DebugFlags.squeeze = rtsTrue;
717 bad_option( rts_argv[arg] );
725 RtsFlags.GcFlags.maxStkSize =
726 decode(rts_argv[arg]+2) / sizeof(W_);
728 if (RtsFlags.GcFlags.maxStkSize == 0)
729 bad_option( rts_argv[arg] );
733 RtsFlags.GcFlags.initialStkSize =
734 decode(rts_argv[arg]+2) / sizeof(W_);
736 if (RtsFlags.GcFlags.initialStkSize == 0)
737 bad_option( rts_argv[arg] );
741 RtsFlags.GcFlags.maxHeapSize =
742 decode(rts_argv[arg]+2) / BLOCK_SIZE;
743 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
745 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
746 bad_option(rts_argv[arg]);
751 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
753 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
754 RtsFlags.GcFlags.pcFreeHeap > 100)
755 bad_option( rts_argv[arg] );
759 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
760 if (RtsFlags.GcFlags.generations < 1) {
761 bad_option(rts_argv[arg]);
766 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
767 if (RtsFlags.GcFlags.steps < 1) {
768 bad_option(rts_argv[arg]);
773 RtsFlags.GcFlags.heapSizeSuggestion =
774 decode(rts_argv[arg]+2) / BLOCK_SIZE;
776 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
777 bad_option(rts_argv[arg]);
781 #ifdef RTS_GTK_FRONTPANEL
783 RtsFlags.GcFlags.frontpanel = rtsTrue;
787 case 'I': /* idle GC delay */
788 if (rts_argv[arg][2] == '\0') {
793 /* Convert to ticks */
794 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
795 if (cst > 0 && cst < TICK_MILLISECS) {
796 cst = TICK_MILLISECS;
798 cst = cst / TICK_MILLISECS;
800 RtsFlags.GcFlags.idleGCDelayTicks = cst;
805 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
809 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
813 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
818 /* Opening all those files would almost certainly fail... */
819 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
820 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
824 r = open_stats_file(arg, *argc, argv,
825 *rts_argc, rts_argv, STAT_FILENAME_FMT,
826 &RtsFlags.GcFlags.statsFile);
827 if (r == -1) { error = rtsTrue; }
833 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
836 /* =========== PROFILING ========================== */
838 case 'P': /* detailed cost centre profiling (time/alloc) */
839 case 'p': /* cost centre profiling (time/alloc) */
840 COST_CENTRE_USING_BUILD_ONLY(
841 switch (rts_argv[arg][2]) {
843 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
846 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
849 if (rts_argv[arg][1] == 'P') {
850 RtsFlags.CcFlags.doCostCentres =
851 COST_CENTRES_VERBOSE;
853 RtsFlags.CcFlags.doCostCentres =
854 COST_CENTRES_SUMMARY;
861 PROFILING_BUILD_ONLY(
862 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
865 case 'h': /* serial heap profile */
866 #if !defined(PROFILING) && defined(DEBUG)
867 switch (rts_argv[arg][2]) {
870 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
873 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
876 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
880 PROFILING_BUILD_ONLY(
881 switch (rts_argv[arg][2]) {
895 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
897 char *left = strchr(rts_argv[arg], '{');
898 char *right = strrchr(rts_argv[arg], '}');
900 // curly braces are optional, for
905 left = rts_argv[arg] + 3;
908 right = rts_argv[arg] + strlen(rts_argv[arg]);
912 switch (rts_argv[arg][2]) {
913 case 'c': // cost centre label select
914 RtsFlags.ProfFlags.ccSelector = left;
917 RtsFlags.ProfFlags.ccsSelector = left;
920 case 'm': // cost centre module select
921 RtsFlags.ProfFlags.modSelector = left;
924 case 'd': // closure descr select
925 RtsFlags.ProfFlags.descrSelector = left;
928 case 'y': // closure type select
929 RtsFlags.ProfFlags.typeSelector = left;
932 case 'r': // retainer select
933 RtsFlags.ProfFlags.retainerSelector = left;
936 case 'b': // biography select
937 RtsFlags.ProfFlags.bioSelector = left;
944 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
945 errorBelch("multiple heap profile options");
950 switch (rts_argv[arg][2]) {
954 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
958 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
962 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
966 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
970 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
974 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
980 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
984 #endif /* PROFILING */
987 #if defined(PROFILING)
988 case 'i': /* heap sample interval */
989 if (rts_argv[arg][2] == '\0') {
994 /* Convert to milliseconds */
995 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
996 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
997 if (cst != 0 && cst < CS_MIN_MILLISECS)
998 cst = CS_MIN_MILLISECS;
1000 RtsFlags.ProfFlags.profileInterval = cst;
1005 /* =========== CONCURRENT ========================= */
1006 case 'C': /* context switch interval */
1007 if (rts_argv[arg][2] == '\0')
1008 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1012 /* Convert to milliseconds */
1013 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1014 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1015 if (cst != 0 && cst < CS_MIN_MILLISECS)
1016 cst = CS_MIN_MILLISECS;
1018 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1024 THREADED_BUILD_ONLY(
1025 if (rts_argv[arg][2] != '\0') {
1026 RtsFlags.ParFlags.nNodes
1027 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1028 if (RtsFlags.ParFlags.nNodes <= 0) {
1029 errorBelch("bad value for -N");
1036 switch (rts_argv[arg][2]) {
1038 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1042 RtsFlags.ParFlags.migrate = rtsFalse;
1045 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1048 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1054 /* =========== PARALLEL =========================== */
1056 PAR_OR_THREADED_BUILD_ONLY(
1057 if (rts_argv[arg][2] != '\0') {
1058 RtsFlags.ParFlags.maxLocalSparks
1059 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1060 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1061 errorBelch("bad value for -e");
1070 process_par_option(arg, rts_argc, rts_argv, &error);
1074 /* =========== GRAN =============================== */
1078 process_gran_option(arg, rts_argc, rts_argv, &error);
1081 /* =========== TICKY ============================== */
1083 case 'r': /* Basic profiling stats */
1086 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1090 r = open_stats_file(arg, *argc, argv,
1091 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1092 &RtsFlags.TickyFlags.tickyFile);
1093 if (r == -1) { error = rtsTrue; }
1097 /* =========== EXTENDED OPTIONS =================== */
1099 case 'x': /* Extend the argument space */
1100 switch(rts_argv[arg][2]) {
1102 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1106 case 'c': /* Debugging tool: show current cost centre on an exception */
1107 PROFILING_BUILD_ONLY(
1108 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1112 case 't': /* Include memory used by TSOs in a heap profile */
1113 PROFILING_BUILD_ONLY(
1114 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1118 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1121 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1125 break; /* defensive programming */
1127 /* =========== OH DEAR ============================ */
1129 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1139 for (p = usage_text; *p; p++)
1140 errorBelch("%s", *p);
1141 stg_exit(EXIT_FAILURE);
1148 enable_GranSimLight(void) {
1150 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1151 RtsFlags.GranFlags.Light=rtsTrue;
1152 RtsFlags.GranFlags.Costs.latency =
1153 RtsFlags.GranFlags.Costs.fetchtime =
1154 RtsFlags.GranFlags.Costs.additional_latency =
1155 RtsFlags.GranFlags.Costs.gunblocktime =
1156 RtsFlags.GranFlags.Costs.lunblocktime =
1157 RtsFlags.GranFlags.Costs.threadcreatetime =
1158 RtsFlags.GranFlags.Costs.threadqueuetime =
1159 RtsFlags.GranFlags.Costs.threadscheduletime =
1160 RtsFlags.GranFlags.Costs.threaddescheduletime =
1161 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1163 RtsFlags.GranFlags.Costs.mpacktime =
1164 RtsFlags.GranFlags.Costs.munpacktime = 0;
1166 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1167 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1168 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1169 /* FetchStrategy is irrelevant in GrAnSim-Light */
1171 /* GrAnSim Light often creates an abundance of parallel threads,
1172 each with its own stack etc. Therefore, it's in general a good
1173 idea to use small stack chunks (use the -o<size> option to
1176 // RtsFlags.ConcFlags.stkChunkSize = 100;
1178 RtsFlags.GranFlags.proc = 1;
1182 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1184 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1187 /* or a ridiculously idealised simulator */
1188 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1189 RtsFlags.GranFlags.Costs.latency =
1190 RtsFlags.GranFlags.Costs.fetchtime =
1191 RtsFlags.GranFlags.Costs.additional_latency =
1192 RtsFlags.GranFlags.Costs.gunblocktime =
1193 RtsFlags.GranFlags.Costs.lunblocktime =
1194 RtsFlags.GranFlags.Costs.threadcreatetime =
1195 RtsFlags.GranFlags.Costs.threadqueuetime =
1196 RtsFlags.GranFlags.Costs.threadscheduletime =
1197 RtsFlags.GranFlags.Costs.threaddescheduletime =
1198 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1200 RtsFlags.GranFlags.Costs.mpacktime =
1201 RtsFlags.GranFlags.Costs.munpacktime = 0;
1203 RtsFlags.GranFlags.Costs.arith_cost =
1204 RtsFlags.GranFlags.Costs.float_cost =
1205 RtsFlags.GranFlags.Costs.load_cost =
1206 RtsFlags.GranFlags.Costs.store_cost =
1207 RtsFlags.GranFlags.Costs.branch_cost = 0;
1209 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1211 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1212 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1213 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1214 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1218 /* or a somewhat idealised simulator */
1219 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1220 RtsFlags.GranFlags.Costs.latency =
1221 RtsFlags.GranFlags.Costs.fetchtime =
1222 RtsFlags.GranFlags.Costs.additional_latency =
1223 RtsFlags.GranFlags.Costs.gunblocktime =
1224 RtsFlags.GranFlags.Costs.lunblocktime =
1225 RtsFlags.GranFlags.Costs.threadcreatetime =
1226 RtsFlags.GranFlags.Costs.threadqueuetime =
1227 RtsFlags.GranFlags.Costs.threadscheduletime =
1228 RtsFlags.GranFlags.Costs.threaddescheduletime =
1229 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1231 RtsFlags.GranFlags.Costs.mpacktime =
1232 RtsFlags.GranFlags.Costs.munpacktime = 0;
1234 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1236 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1237 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1238 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1239 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1240 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1241 # if defined(GRAN_CHECK) && defined(GRAN)
1242 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1247 /* Communication and task creation cost parameters */
1248 switch(rts_argv[arg][2]) {
1250 IgnoreYields = rtsTrue; // HWL HACK
1254 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1258 if (rts_argv[arg][3] != '\0')
1260 RtsFlags.GranFlags.Costs.gunblocktime =
1261 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1262 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1265 RtsFlags.GranFlags.Costs.latency = LATENCY;
1269 if (rts_argv[arg][3] != '\0')
1270 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1272 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1276 if (rts_argv[arg][3] != '\0')
1277 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1279 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1283 if (rts_argv[arg][3] != '\0')
1284 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1286 RtsFlags.GranFlags.Costs.mtidytime = 0;
1290 if (rts_argv[arg][3] != '\0')
1291 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1293 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1297 if (rts_argv[arg][3] != '\0')
1298 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1300 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1304 if (rts_argv[arg][3] != '\0')
1305 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1307 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1311 if (rts_argv[arg][3] != '\0')
1312 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1314 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1317 /* Thread-related metrics */
1319 if (rts_argv[arg][3] != '\0')
1320 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1322 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1326 if (rts_argv[arg][3] != '\0')
1327 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1329 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1333 if (rts_argv[arg][3] != '\0')
1334 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1336 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1338 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1339 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1343 if (rts_argv[arg][3] != '\0')
1344 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1346 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1348 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1349 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1352 /* Instruction Cost Metrics */
1354 if (rts_argv[arg][3] != '\0')
1355 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1357 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1361 if (rts_argv[arg][3] != '\0')
1362 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1364 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1368 if (rts_argv[arg][3] != '\0')
1369 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1371 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1375 if (rts_argv[arg][3] != '\0')
1376 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1378 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1382 if (rts_argv[arg][3] != '\0')
1383 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1385 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1389 if (rts_argv[arg][3] != '\0')
1390 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1392 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1396 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1397 if (rts_argv[arg][3] != '\0')
1398 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1400 RtsFlags.GranFlags.FetchStrategy = 2;
1401 if (RtsFlags.GranFlags.FetchStrategy == 0)
1402 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1405 case 'K': /* sort overhead (per elem in spark list) */
1406 if (rts_argv[arg][3] != '\0')
1407 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1409 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1410 debugBelch("Overhead for pri spark: %d (per elem).\n",
1411 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1414 case 'O': /* sort overhead (per elem in spark list) */
1415 if (rts_argv[arg][3] != '\0')
1416 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1418 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1419 debugBelch("Overhead for pri sched: %d (per elem).\n",
1420 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1423 /* General Parameters */
1425 if (rts_argv[arg][3] != '\0')
1427 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1428 if (RtsFlags.GranFlags.proc==0) {
1429 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1430 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1431 RtsFlags.GranFlags.proc < 1)
1433 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1439 RtsFlags.GranFlags.proc = MAX_PROC;
1443 RtsFlags.GranFlags.Fishing = rtsTrue;
1444 if (rts_argv[arg][3] != '\0')
1445 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1447 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1451 if (rts_argv[arg][3] != '\0')
1452 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1454 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1458 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1459 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1463 debugBelch("Bulk fetching enabled.\n");
1464 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1468 debugBelch("Thread migration enabled.\n");
1469 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1473 debugBelch("Fair Scheduling enabled.\n");
1474 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1478 debugBelch("Priority Scheduling enabled.\n");
1479 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1483 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1484 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1488 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1492 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1496 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1500 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1504 /* format is -bP<c> where <c> is one char describing kind of profile */
1505 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1506 switch(rts_argv[arg][3]) {
1507 case '\0': break; // nothing special, just an ordinary profile
1508 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1510 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1512 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1514 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1516 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1518 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1520 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1525 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1529 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1532 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1533 if (rts_argv[arg][3] != '\0') {
1536 arg0 = rts_argv[arg]+3;
1537 if ((tmp = strstr(arg0,","))==NULL) {
1538 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1539 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1542 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1543 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1544 debugBelch("SparkPriority: %u.\n",
1545 RtsFlags.GranFlags.SparkPriority);
1546 debugBelch("SparkPriority2:%u.\n",
1547 RtsFlags.GranFlags.SparkPriority2);
1548 if (RtsFlags.GranFlags.SparkPriority2 <
1549 RtsFlags.GranFlags.SparkPriority) {
1550 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1551 RtsFlags.GranFlags.SparkPriority2,
1552 RtsFlags.GranFlags.SparkPriority);
1556 /* plain pri spark is now invoked with -bX
1557 RtsFlags.GranFlags.DoPrioritySparking = 1;
1558 debugBelch("PrioritySparking.\n");
1564 if (rts_argv[arg][3] != '\0') {
1565 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1567 RtsFlags.GranFlags.ThunksToPack = 1;
1569 debugBelch("Thunks To Pack in one packet: %u.\n",
1570 RtsFlags.GranFlags.ThunksToPack);
1574 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1575 debugBelch("Deterministic mode (no random stealing)\n");
1578 /* The following class of options contains eXperimental */
1579 /* features in connection with exploiting granularity */
1580 /* information. I.e. if -bY is chosen these options */
1581 /* tell the RTS what to do with the supplied info --HWL */
1584 if (rts_argv[arg][3] != '\0') {
1585 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1587 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1589 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1590 RtsFlags.GranFlags.packBufferSize_internal);
1594 switch(rts_argv[arg][3]) {
1597 RtsFlags.GranFlags.DoPrioritySparking = 1;
1598 debugBelch("Priority Sparking with Normal Priorities.\n");
1599 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1600 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1601 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1605 RtsFlags.GranFlags.DoPrioritySparking = 1;
1606 debugBelch("Priority Sparking with Inverse Priorities.\n");
1607 RtsFlags.GranFlags.InversePriorities++;
1611 RtsFlags.GranFlags.DoPrioritySparking = 1;
1612 debugBelch("Priority Sparking with Random Priorities.\n");
1613 RtsFlags.GranFlags.RandomPriorities++;
1617 RtsFlags.GranFlags.DoPrioritySparking = 1;
1618 debugBelch("Priority Sparking with No Priorities.\n");
1619 RtsFlags.GranFlags.IgnorePriorities++;
1623 bad_option( rts_argv[arg] );
1629 switch(rts_argv[arg][3]) {
1632 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1633 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1637 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1641 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1645 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1649 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1650 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1654 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1658 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1662 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1666 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1670 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1674 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1678 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1682 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1683 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1687 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1691 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1695 bad_option( rts_argv[arg] );
1700 # if defined(GRAN_CHECK) && defined(GRAN)
1702 switch(rts_argv[arg][3]) {
1703 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1704 if (rts_argv[arg][4] != '\0') {
1705 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1706 debugBelch("Pack buffer size: %d\n",
1707 RtsFlags.GranFlags.packBufferSize);
1709 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1715 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1716 /* hack warning: interpret the flags as a binary number */
1717 nat n = decode(rts_argv[arg]+3);
1718 set_GranSim_debug_options(n);
1721 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1722 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1725 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1726 debugBelch("Valid GranSim debug options are:\n");
1727 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1728 bad_option( rts_argv[arg] );
1729 } else { // flag found; now set it
1730 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1736 case 'e': /* event trace; also -bD1 */
1737 debugBelch("DEBUG: event_trace; printing event trace.\n");
1738 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1739 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1742 case 'E': /* event statistics; also -bD2 */
1743 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1744 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1745 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1748 case 'f': /* thunkStealing; also -bD4 */
1749 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1750 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1751 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1754 case 'z': /* blockOnFetch; also -bD8 */
1755 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1756 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1757 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1760 case 't': /* blockOnFetch_sanity; also -bD16 */
1761 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1762 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1763 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1766 case 'S': /* priSpark; also -bD32 */
1767 debugBelch("DEBUG: priSpark; priority sparking.\n");
1768 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1771 case 's': /* priSched; also -bD64 */
1772 debugBelch("DEBUG: priSched; priority scheduling.\n");
1773 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1776 case 'F': /* findWork; also -bD128 */
1777 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1778 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1781 case 'g': /* globalBlock; also -bD256 */
1782 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1783 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1786 case 'G': /* pack; also -bD512 */
1787 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1788 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1791 case 'P': /* packBuffer; also -bD1024 */
1792 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1793 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1796 case 'o': /* sortedQ; also -bD2048 */
1797 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1798 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1801 case 'r': /* randomSteal; also -bD4096 */
1802 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1803 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1806 case 'q': /* checkSparkQ; also -bD8192 */
1807 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1808 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1811 case ':': /* checkLight; also -bD16384 */
1812 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1813 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1816 case 'b': /* bq; also -bD32768 */
1817 debugBelch("DEBUG: bq; check blocking queues\n");
1818 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1821 case 'd': /* all options turned on */
1822 debugBelch("DEBUG: all options turned on.\n");
1823 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1824 /* RtsFlags.GranFlags.Debug |= 0x40; */
1828 /* RtsFlags.GranFlags.Debug = 1; */
1834 # endif /* GRAN_CHECK */
1836 bad_option( rts_argv[arg] );
1842 Interpret n as a binary number masking GranSim debug options and set the
1843 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1846 set_GranSim_debug_options(nat n) {
1849 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1851 errorBelch(gran_debug_opts_strs[i]);
1853 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1854 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1855 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1856 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1857 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1858 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1859 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1860 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1861 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1862 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1863 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1864 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1865 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1866 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1867 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1868 default: barf("set_GranSim_debug_options: only %d debug options expected");
1874 Print one line explanation for each of the GranSim debug options specified
1878 help_GranSim_debug_options(nat n) {
1881 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1883 debugBelch(gran_debug_opts_strs[i]);
1889 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1892 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1893 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1897 /* Communication and task creation cost parameters */
1898 switch(rts_argv[arg][2]) {
1899 case 'e': /* -qe<n> ... allow <n> local sparks */
1900 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1901 RtsFlags.ParFlags.maxLocalSparks
1902 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1904 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1905 errorBelch("setupRtsFlags: bad value for -e\n");
1909 IF_PAR_DEBUG(verbose,
1910 errorBelch("-qe<n>: max %d local sparks",
1911 RtsFlags.ParFlags.maxLocalSparks));
1915 if (rts_argv[arg][3] != '\0') {
1916 RtsFlags.ParFlags.maxThreads
1917 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1919 errorBelch("missing size for -qt\n");
1922 IF_PAR_DEBUG(verbose,
1923 errorBelch("-qt<n>: max %d threads",
1924 RtsFlags.ParFlags.maxThreads));
1928 if (rts_argv[arg][3] != '\0')
1929 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1931 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1933 IF_PAR_DEBUG(verbose,
1934 errorBelch("-qf<n>: max %d fishes sent out at one time",
1935 RtsFlags.ParFlags.maxFishes));
1939 if (rts_argv[arg][3] != '\0') {
1940 RtsFlags.ParFlags.fishDelay
1941 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1943 errorBelch("missing fish delay time for -qF\n");
1946 IF_PAR_DEBUG(verbose,
1947 errorBelch("-qF<n>: fish delay time %d us",
1948 RtsFlags.ParFlags.fishDelay));
1952 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1953 IF_PAR_DEBUG(verbose,
1954 errorBelch("-qO: output disabled"));
1957 case 'g': /* -qg<n> ... globalisation scheme */
1958 if (rts_argv[arg][3] != '\0') {
1959 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1961 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
1964 IF_PAR_DEBUG(verbose,
1965 debugBelch("-qg<n>: globalisation scheme set to %d",
1966 RtsFlags.ParFlags.globalising));
1969 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1970 if (rts_argv[arg][3] != '\0') {
1971 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1973 errorBelch("missing number of thunks per packet (for -qh)\n");
1976 IF_PAR_DEBUG(verbose,
1977 debugBelch("-qh<n>: thunks per packet set to %d",
1978 RtsFlags.ParFlags.thunksToPack));
1981 case 'P': /* -qP for writing a log file */
1982 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1983 /* same encoding as in GranSim after -bP */
1984 switch(rts_argv[arg][3]) {
1985 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1986 break; // nothing special, just an ordinary profile
1987 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1988 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1990 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1992 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1994 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1996 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1999 # if defined(PAR_TICKY)
2000 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2002 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2003 stg_exit(EXIT_FAILURE);
2006 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2008 IF_PAR_DEBUG(verbose,
2009 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2010 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2013 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2014 if (rts_argv[arg][3] != '\0') {
2015 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2017 errorBelch("missing size of PackBuffer (for -qQ)\n");
2020 IF_PAR_DEBUG(verbose,
2021 debugBelch("-qQ<n>: pack buffer size set to %d",
2022 RtsFlags.ParFlags.packBufferSize));
2026 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2027 IF_PAR_DEBUG(verbose,
2028 debugBelch("-qR: fair-ish scheduling"));
2033 if (rts_argv[arg][3] != '\0') {
2034 RtsFlags.ParFlags.wait
2035 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2037 RtsFlags.ParFlags.wait = 1000;
2039 IF_PAR_DEBUG(verbose,
2040 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2041 RtsFlags.ParFlags.wait));
2044 case 'D': /* -qD ... all the debugging options */
2045 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2046 /* hack warning: interpret the flags as a binary number */
2047 nat n = decode(rts_argv[arg]+3);
2048 set_par_debug_options(n);
2051 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2052 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2055 if (i==MAX_PAR_DEBUG_OPTION+1) {
2056 errorBelch("Valid GUM debug options are:\n");
2057 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2058 bad_option( rts_argv[arg] );
2059 } else { // flag found; now set it
2060 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2066 errorBelch("Unknown option -q%c (%d opts in total)",
2067 rts_argv[arg][2], *rts_argc);
2073 Interpret n as a binary number masking Par debug options and set the
2074 correxponding option. See par_debug_opts_strs for explanations of the flags.
2077 set_par_debug_options(nat n) {
2080 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2082 debugBelch(par_debug_opts_strs[i]);
2084 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2085 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2086 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2087 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2088 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2089 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2090 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2091 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2092 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2093 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2094 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2095 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2096 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2097 default: barf("set_par_debug_options: only %d debug options expected",
2098 MAX_PAR_DEBUG_OPTION);
2104 Print one line explanation for each of the GranSim debug options specified
2108 help_par_debug_options(nat n) {
2111 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2113 debugBelch(par_debug_opts_strs[i]);
2119 stats_fprintf(FILE *f, char *s, ...)
2131 static int /* return -1 on error */
2134 int argc, char *argv[],
2135 int rts_argc, char *rts_argv[],
2136 const char *FILENAME_FMT,
2141 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2142 f = NULL; /* NULL means use debugBelch */
2144 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2145 f = fopen(rts_argv[arg]+2,"w");
2147 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2148 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2149 f = fopen(stats_filename,"w");
2152 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2159 /* Write argv and rtsv into start of stats file */
2161 for(count = 0; count < argc; count++) {
2162 stats_fprintf(f, "%s ", argv[count]);
2164 stats_fprintf(f, "+RTS ");
2165 for(count = 0; count < rts_argc; count++)
2166 stats_fprintf(f, "%s ", rts_argv[count]);
2167 stats_fprintf(f, "\n");
2175 decode(const char *s)
2186 if (c == 'g' || c == 'G')
2187 m *= 1000*1000*1000; /* UNchecked! */
2188 else if (c == 'm' || c == 'M')
2189 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2190 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2191 m *= 1000; /* a direct-mapped cache. */
2192 else if (c == 'w' || c == 'W')
2199 bad_option(const char *s)
2201 errorBelch("bad RTS option: %s", s);
2202 stg_exit(EXIT_FAILURE);
2205 /* -----------------------------------------------------------------------------
2206 Getting/Setting the program's arguments.
2208 These are used by System.Environment, and parts of the RTS.
2209 -------------------------------------------------------------------------- */
2212 setProgName(char *argv[])
2214 /* Remove directory from argv[0] -- default files in current directory */
2215 #if !defined(mingw32_HOST_OS)
2217 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2218 prog_name = last_slash+1;
2220 prog_name = argv[0];
2223 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2224 while ( last_slash > argv[0] ) {
2225 if ( *last_slash == '/' || *last_slash == '\\' ) {
2226 prog_name = last_slash+1;
2231 prog_name = argv[0];
2236 getProgArgv(int *argc, char **argv[])
2238 if (argc) { *argc = prog_argc; }
2239 if (argv) { *argv = prog_argv; }
2243 setProgArgv(int argc, char *argv[])
2245 /* Usually this is done by startupHaskell, so we don't need to call this.
2246 However, sometimes Hugs wants to change the arguments which Haskell
2247 getArgs >>= ... will be fed. So you can do that by calling here
2248 _after_ calling startupHaskell.
2252 setProgName(prog_argv);