1 /* -----------------------------------------------------------------------------
3 * (c) The AQUA Project, Glasgow University, 1994-1997
4 * (c) The GHC Team, 1998-2006
6 * Functions for parsing the argument list.
8 * ---------------------------------------------------------------------------*/
10 #include "PosixSource.h"
14 #include "Profiling.h"
35 * Split argument lists
37 int prog_argc = 0; /* an "int" so as to match normal "argc" */
38 char **prog_argv = NULL;
39 int full_prog_argc = 0; /* an "int" so as to match normal "argc" */
40 char **full_prog_argv = NULL;
41 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
42 int rts_argc = 0; /* ditto */
43 char *rts_argv[MAX_RTS_ARGS];
46 * constants, used later
53 static char *gran_debug_opts_strs[] = {
54 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
55 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
56 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
57 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
58 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
59 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
60 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
61 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
62 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
63 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
64 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
65 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
66 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
67 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
68 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
71 /* one character codes for the available debug options */
72 static char gran_debug_opts_flags[] = {
73 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
78 static char *par_debug_opts_strs[] = {
79 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
80 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
81 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
82 "DEBUG (-qDe, -qD8): free; free messages.\n",
83 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
84 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
85 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
86 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
87 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
88 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
89 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
90 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
91 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
92 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
95 /* one character codes for the available debug options */
96 static char par_debug_opts_flags[] = {
97 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
102 /* -----------------------------------------------------------------------------
103 Static function decls
104 -------------------------------------------------------------------------- */
106 static int /* return NULL on error */
109 int argc, char *argv[],
110 int rts_argc, char *rts_argv[],
111 const char *FILENAME_FMT,
114 static I_ decode(const char *s);
115 static void bad_option(const char *s);
118 static void enable_GranSimLight(void);
119 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
120 static void set_GranSim_debug_options(nat n);
121 static void help_GranSim_debug_options(nat n);
123 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
124 static void set_par_debug_options(nat n);
125 static void help_par_debug_options(nat n);
128 /* -----------------------------------------------------------------------------
129 * Command-line option parsing routines.
130 * ---------------------------------------------------------------------------*/
132 void initRtsFlagsDefaults(void)
134 RtsFlags.GcFlags.statsFile = NULL;
135 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
137 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
138 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
140 RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
141 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
142 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
143 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
144 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
145 RtsFlags.GcFlags.oldGenFactor = 2;
147 /* A hack currently needed for GUM -- HWL */
148 RtsFlags.GcFlags.generations = 1;
149 RtsFlags.GcFlags.steps = 2;
150 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
152 RtsFlags.GcFlags.generations = 2;
153 RtsFlags.GcFlags.steps = 2;
154 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
156 RtsFlags.GcFlags.compact = rtsFalse;
157 RtsFlags.GcFlags.compactThreshold = 30.0;
158 RtsFlags.GcFlags.sweep = rtsFalse;
159 #ifdef RTS_GTK_FRONTPANEL
160 RtsFlags.GcFlags.frontpanel = rtsFalse;
162 RtsFlags.GcFlags.idleGCDelayTime = 300; /* millisecs */
165 /* ToDo: Perhaps by adjusting this value we can make linking without
166 * -static work (i.e., not generate a core-dumping executable)? */
167 # if SIZEOF_VOID_P == 8
168 RtsFlags.GcFlags.heapBase = 0x180000000L;
170 # error I have no idea where to begin the heap on a non-64-bit osf3 machine.
173 RtsFlags.GcFlags.heapBase = 0; /* means don't care */
177 RtsFlags.DebugFlags.scheduler = rtsFalse;
178 RtsFlags.DebugFlags.interpreter = rtsFalse;
179 RtsFlags.DebugFlags.weak = rtsFalse;
180 RtsFlags.DebugFlags.gccafs = rtsFalse;
181 RtsFlags.DebugFlags.gc = rtsFalse;
182 RtsFlags.DebugFlags.block_alloc = rtsFalse;
183 RtsFlags.DebugFlags.sanity = rtsFalse;
184 RtsFlags.DebugFlags.stable = rtsFalse;
185 RtsFlags.DebugFlags.stm = rtsFalse;
186 RtsFlags.DebugFlags.prof = rtsFalse;
187 RtsFlags.DebugFlags.gran = rtsFalse;
188 RtsFlags.DebugFlags.par = rtsFalse;
189 RtsFlags.DebugFlags.apply = rtsFalse;
190 RtsFlags.DebugFlags.linker = rtsFalse;
191 RtsFlags.DebugFlags.squeeze = rtsFalse;
192 RtsFlags.DebugFlags.hpc = rtsFalse;
195 #if defined(PROFILING) || defined(PAR)
196 RtsFlags.CcFlags.doCostCentres = 0;
197 #endif /* PROFILING or PAR */
199 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
200 RtsFlags.ProfFlags.profileInterval = 100;
203 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
204 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
205 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
206 RtsFlags.ProfFlags.ccsLength = 25;
207 RtsFlags.ProfFlags.modSelector = NULL;
208 RtsFlags.ProfFlags.descrSelector = NULL;
209 RtsFlags.ProfFlags.typeSelector = NULL;
210 RtsFlags.ProfFlags.ccSelector = NULL;
211 RtsFlags.ProfFlags.ccsSelector = NULL;
212 RtsFlags.ProfFlags.retainerSelector = NULL;
213 RtsFlags.ProfFlags.bioSelector = NULL;
216 RtsFlags.MiscFlags.tickInterval = 20; /* In milliseconds */
217 RtsFlags.ConcFlags.ctxtSwitchTime = 20; /* In milliseconds */
219 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
220 RtsFlags.MiscFlags.machineReadable = rtsFalse;
221 RtsFlags.MiscFlags.linkerMemBase = 0;
224 RtsFlags.ParFlags.nNodes = 1;
225 RtsFlags.ParFlags.migrate = rtsTrue;
226 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
227 RtsFlags.ParFlags.parGcEnabled = 1;
228 RtsFlags.ParFlags.parGcGen = 1;
232 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
233 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
234 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
235 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
236 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
237 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
238 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
240 RtsFlags.ParFlags.outputDisabled = rtsFalse;
242 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
244 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
246 RtsFlags.ParFlags.packBufferSize = 1024;
247 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
248 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
249 RtsFlags.ParFlags.maxThreads = 1024;
250 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
251 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
254 #if defined(PAR) || defined(THREADED_RTS)
255 RtsFlags.ParFlags.maxLocalSparks = 4096;
256 #endif /* PAR || THREADED_RTS */
259 /* ToDo: check defaults for GranSim and GUM */
260 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
261 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
263 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
264 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
265 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
266 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
267 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
268 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
269 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
270 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
272 RtsFlags.GranFlags.packBufferSize = 1024;
273 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
275 RtsFlags.GranFlags.proc = MAX_PROC;
276 RtsFlags.GranFlags.Fishing = rtsFalse;
277 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
278 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
279 RtsFlags.GranFlags.Light = rtsFalse;
281 RtsFlags.GranFlags.Costs.latency = LATENCY;
282 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
283 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
284 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
285 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
286 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
287 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
288 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
290 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
291 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
292 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
293 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
294 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
296 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
297 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
298 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
299 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
300 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
302 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
304 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
305 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
307 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
308 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
309 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
310 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
311 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
312 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
313 RtsFlags.GranFlags.FetchStrategy = 2;
314 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
315 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
316 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
317 RtsFlags.GranFlags.SparkPriority = 0;
318 RtsFlags.GranFlags.SparkPriority2 = 0;
319 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
320 RtsFlags.GranFlags.InversePriorities = rtsFalse;
321 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
322 RtsFlags.GranFlags.ThunksToPack = 0;
323 RtsFlags.GranFlags.RandomSteal = rtsTrue;
327 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
328 RtsFlags.TickyFlags.tickyFile = NULL;
331 RtsFlags.TraceFlags.timestamp = rtsFalse;
332 RtsFlags.TraceFlags.sched = rtsFalse;
333 RtsFlags.TraceFlags.gc = rtsFalse;
336 /* By default no special measurements taken */
337 RtsFlags.PapiFlags.eventType = 0;
338 RtsFlags.PapiFlags.numUserEvents = 0;
345 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
347 " +RTS Indicates run time system options follow",
348 " -RTS Indicates program arguments follow",
349 " --RTS Indicates that ALL subsequent arguments will be given to the",
350 " program (including any of these RTS flags)",
352 "The following run time system options are available:",
354 " -? Prints this message and exits; the program is not executed",
355 " --info Print information about the RTS used by this program",
357 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
358 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
360 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
361 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
362 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
363 " -m<n> Minimum % of heap which must be available (default 3%)",
364 " -G<n> Number of generations (default: 2)",
365 " -T<n> Number of steps in younger generations (default: 2)",
366 " -c<n> Auto-enable compaction of the oldest generation when live data is",
367 " at least <n>% of the maximum heap size set with -M (default: 30%)",
368 " -c Enable compaction for all major collections",
369 " -w Use mark-region for the oldest generation (experimental)",
370 #if defined(THREADED_RTS)
371 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
374 " -t[<file>] One-line GC statistics (if <file> omitted, uses stderr)",
375 " -s[<file>] Summary GC statistics (if <file> omitted, uses stderr)",
376 " -S[<file>] Detailed GC statistics (if <file> omitted, uses stderr)",
377 #ifdef RTS_GTK_FRONTPANEL
378 " -f Display front panel (requires X11 & GTK+)",
382 " -Z Don't squeeze out update frames on stack overflow",
383 " -B Sound the bell at the start of each garbage collection",
384 #if defined(PROFILING) || defined(PAR)
386 " -px Time/allocation profile (XML) (output file <program>.prof)",
387 " -p Time/allocation profile (output file <program>.prof)",
388 " -P More detailed Time/Allocation profile",
389 " -Pa Give information about *all* cost centres",
391 # if defined(PROFILING)
393 " -hx Heap residency profile (XML) (output file <program>.prof)",
394 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
395 " break-down: c = cost centre stack (default)",
397 " d = closure description",
398 " y = type description",
400 " b = biography (LAG,DRAG,VOID,USE)",
401 " A subset of closures may be selected thusly:",
402 " -hc<cc>,... specific cost centre(s) (top of stack only)",
403 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
404 " -hm<mod>... all cost centres from the specified modules(s)",
405 " -hd<des>,... closures with specified closure descriptions",
406 " -hy<typ>... closures with specified type descriptions",
407 " -hr<cc>... closures with specified retainers",
408 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
410 " -R<size> Set the maximum retainer set size (default: 8)",
412 " -L<chars> Maximum length of a cost-centre stack in a heap profile",
415 " -xt Include threads (TSOs) in a heap profile",
417 " -xc Show current cost centre stack on raising an exception",
420 #endif /* PROFILING or PAR */
421 #if !defined(PROFILING)
423 " -hT Heap residency profile (output file <program>.hp)",
425 " -i<sec> Time between heap samples (seconds, default: 0.1)",
427 #if defined(TICKY_TICKY)
428 " -r<file> Produce ticky-ticky statistics (with -rstderr for stderr)",
432 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
433 /* NB: the -N<n> is implemented by the driver!! */
435 " -C<secs> Context-switch interval in seconds.",
436 " 0 or no argument means switch as often as possible.",
437 " Default: 0.02 sec; resolution is set by -V below.",
438 " -V<secs> Master tick interval in seconds (0 == disable timer).",
439 " This sets the resolution for -C and the profile timer -i.",
440 " Default: 0.02 sec.",
442 " -vs Trace scheduler events (see also -Ds with -debug)",
443 " -vt Time-stamp trace messages",
446 " -Ds DEBUG: scheduler",
447 " -Di DEBUG: interpreter",
449 " -DG DEBUG: gccafs",
452 " -DS DEBUG: sanity",
453 " -Dt DEBUG: stable",
458 " -Dl DEBUG: linker",
460 " -Dz DEBUG: stack squezing",
461 " -Dc DEBUG: program coverage",
464 #if defined(THREADED_RTS) && !defined(NOSMP)
465 " -N<n> Use <n> processors (default: 1)",
466 " -N Determine the number of processors to use automatically",
467 " -q1 Use one OS thread for GC (turns off parallel GC)",
468 " -qg<n> Use parallel GC only for generations >= <n> (default: 1)",
469 " -qm Don't automatically migrate threads between CPUs",
470 " -qw Migrate a thread to the current CPU when it is woken up",
472 " --install-signal-handlers=<yes|no>",
473 " Install signal handlers (default: yes)",
474 #if defined(THREADED_RTS) || defined(PAR)
475 " -e<size> Size of spark pools (default 100)",
478 " -t<num> Set maximum number of advisory threads per PE (default 32)",
479 " -qP Enable activity profile (output files in ~/<program>*.gr)",
480 " -qQ<size> Set pack-buffer size (default: 1024)",
481 " -qd Turn on PVM-ish debugging",
482 " -qO Disable output for performance measurement",
484 #if defined(THREADED_RTS) || defined(PAR)
485 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
488 " -d Turn on PVM-ish debugging",
489 " -O Disable output for performance measurement",
491 #if defined(GRAN) /* ToDo: fill in decent Docu here */
492 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
494 #if defined(x86_64_HOST_ARCH)
495 " -xm Base address to mmap memory in the GHCi linker",
496 " (hex; must be <80000000)",
498 #if defined(USE_PAPI)
499 " -aX CPU performance counter measurements using PAPI",
500 " (use with the -s<file> option). X is one of:",
503 " 1 - level 1 cache misses",
504 " 2 - level 2 cache misses",
505 " b - branch mispredictions",
506 " s - stalled cycles",
507 " e - cache miss and branch misprediction events",
510 "RTS options may also be specified using the GHCRTS environment variable.",
512 "Other RTS options may be available for programs compiled a different way.",
513 "The GHC User's Guide has full details.",
518 STATIC_INLINE rtsBool
519 strequal(const char *a, const char * b)
521 return(strcmp(a, b) == 0);
525 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
531 while (isspace(*c1)) { c1++; };
533 while (!isspace(*c2) && *c2 != '\0') { c2++; };
535 if (c1 == c2) { break; }
537 if (*rts_argc < MAX_RTS_ARGS-1) {
538 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
539 strncpy(s, c1, c2-c1);
541 rts_argv[(*rts_argc)++] = s;
543 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
547 } while (*c1 != '\0');
551 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
553 rtsBool error = rtsFalse;
564 // process arguments from the ghc_rts_opts global variable first.
565 // (arguments from the GHCRTS environment variable and the command
566 // line override these).
568 if (ghc_rts_opts != NULL) {
569 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
573 // process arguments from the GHCRTS environment variable next
574 // (arguments from the command line override these).
576 char *ghc_rts = getenv("GHCRTS");
578 if (ghc_rts != NULL) {
579 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
583 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
584 // argv[0] must be PGM argument -- leave in argv
586 for (mode = PGM; arg < total_arg; arg++) {
587 // The '--RTS' argument disables all future +RTS ... -RTS processing.
588 if (strequal("--RTS", argv[arg])) {
592 // The '--' argument is passed through to the program, but
593 // disables all further +RTS ... -RTS processing.
594 else if (strequal("--", argv[arg])) {
597 else if (strequal("+RTS", argv[arg])) {
600 else if (strequal("-RTS", argv[arg])) {
603 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
604 rts_argv[(*rts_argc)++] = argv[arg];
606 else if (mode == PGM) {
607 argv[(*argc)++] = argv[arg];
610 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
613 // process remaining program arguments
614 for (; arg < total_arg; arg++) {
615 argv[(*argc)++] = argv[arg];
617 argv[*argc] = (char *) 0;
618 rts_argv[*rts_argc] = (char *) 0;
620 // Process RTS (rts_argv) part: mainly to determine statsfile
621 for (arg = 0; arg < *rts_argc; arg++) {
622 if (rts_argv[arg][0] != '-') {
624 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
628 switch(rts_argv[arg][1]) {
630 /* process: general args, then PROFILING-only ones,
631 then CONCURRENT-only, PARallel-only, GRAN-only,
632 TICKY-only (same order as defined in RtsFlags.lh);
633 within those groups, mostly in case-insensitive
635 Final group is x*, which allows for more options.
639 # define TICKY_BUILD_ONLY(x) x
641 # define TICKY_BUILD_ONLY(x) \
642 errorBelch("not built for: ticky-ticky stats"); \
646 #if defined(PROFILING)
647 # define COST_CENTRE_USING_BUILD_ONLY(x) x
649 # define COST_CENTRE_USING_BUILD_ONLY(x) \
650 errorBelch("not built for: -prof or -parallel"); \
655 # define PROFILING_BUILD_ONLY(x) x
657 # define PROFILING_BUILD_ONLY(x) \
658 errorBelch("not built for: -prof"); \
663 # define PAR_BUILD_ONLY(x) x
665 # define PAR_BUILD_ONLY(x) \
666 errorBelch("not built for: -parallel"); \
671 # define THREADED_BUILD_ONLY(x) x
673 # define THREADED_BUILD_ONLY(x) \
674 errorBelch("not built for: -smp"); \
678 #if defined(THREADED_RTS) || defined(PAR)
679 # define PAR_OR_THREADED_BUILD_ONLY(x) x
681 # define PAR_OR_THREADED_BUILD_ONLY(x) \
682 errorBelch("not built for: -parallel or -smp"); \
687 # define GRAN_BUILD_ONLY(x) x
689 # define GRAN_BUILD_ONLY(x) \
690 errorBelch("not built for: -gransim"); \
694 /* =========== GENERAL ========================== */
699 /* This isn't going to allow us to keep related options
700 together as we add more --* flags. We really need a
701 proper options parser. */
703 if (strequal("install-signal-handlers=yes",
704 &rts_argv[arg][2])) {
705 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
707 else if (strequal("install-signal-handlers=no",
708 &rts_argv[arg][2])) {
709 RtsFlags.MiscFlags.install_signal_handlers = rtsFalse;
711 else if (strequal("machine-readable",
712 &rts_argv[arg][2])) {
713 RtsFlags.MiscFlags.machineReadable = rtsTrue;
715 else if (strequal("info",
716 &rts_argv[arg][2])) {
721 errorBelch("unknown RTS option: %s",rts_argv[arg]);
726 RtsFlags.GcFlags.minAllocAreaSize
727 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
728 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
729 bad_option(rts_argv[arg]);
735 switch(rts_argv[arg][2]) {
737 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L1;
740 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L2;
743 RtsFlags.PapiFlags.eventType = PAPI_FLAG_BRANCH;
746 RtsFlags.PapiFlags.eventType = PAPI_FLAG_STALLS;
749 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
752 if (RtsFlags.PapiFlags.numUserEvents >= MAX_PAPI_USER_EVENTS) {
753 errorBelch("maximum number of PAPI events reached");
754 stg_exit(EXIT_FAILURE);
756 RtsFlags.PapiFlags.eventType = PAPI_USER_EVENTS;
757 RtsFlags.PapiFlags.userEvents[RtsFlags.PapiFlags.numUserEvents++] = rts_argv[arg] + 3;
760 bad_option( rts_argv[arg] );
766 RtsFlags.GcFlags.ringBell = rtsTrue;
770 if (rts_argv[arg][2] != '\0') {
771 RtsFlags.GcFlags.compactThreshold =
772 atof(rts_argv[arg]+2);
774 RtsFlags.GcFlags.compact = rtsTrue;
779 RtsFlags.GcFlags.sweep = rtsTrue;
783 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
785 if (RtsFlags.GcFlags.oldGenFactor < 0)
786 bad_option( rts_argv[arg] );
794 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
797 RtsFlags.DebugFlags.scheduler = rtsTrue;
800 RtsFlags.DebugFlags.interpreter = rtsTrue;
803 RtsFlags.DebugFlags.weak = rtsTrue;
806 RtsFlags.DebugFlags.gccafs = rtsTrue;
809 RtsFlags.DebugFlags.gc = rtsTrue;
812 RtsFlags.DebugFlags.block_alloc = rtsTrue;
815 RtsFlags.DebugFlags.sanity = rtsTrue;
818 RtsFlags.DebugFlags.stable = rtsTrue;
821 RtsFlags.DebugFlags.prof = rtsTrue;
824 RtsFlags.DebugFlags.gran = rtsTrue;
827 RtsFlags.DebugFlags.par = rtsTrue;
830 RtsFlags.DebugFlags.linker = rtsTrue;
833 RtsFlags.DebugFlags.apply = rtsTrue;
836 RtsFlags.DebugFlags.stm = rtsTrue;
839 RtsFlags.DebugFlags.squeeze = rtsTrue;
842 RtsFlags.DebugFlags.hpc = rtsTrue;
845 bad_option( rts_argv[arg] );
853 RtsFlags.GcFlags.maxStkSize =
854 decode(rts_argv[arg]+2) / sizeof(W_);
856 if (RtsFlags.GcFlags.maxStkSize == 0)
857 bad_option( rts_argv[arg] );
861 RtsFlags.GcFlags.initialStkSize =
862 decode(rts_argv[arg]+2) / sizeof(W_);
864 if (RtsFlags.GcFlags.initialStkSize == 0)
865 bad_option( rts_argv[arg] );
869 RtsFlags.GcFlags.maxHeapSize =
870 decode(rts_argv[arg]+2) / BLOCK_SIZE;
871 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
873 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
874 bad_option(rts_argv[arg]);
879 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
881 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
882 RtsFlags.GcFlags.pcFreeHeap > 100)
883 bad_option( rts_argv[arg] );
887 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
888 if (RtsFlags.GcFlags.generations < 1) {
889 bad_option(rts_argv[arg]);
894 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
895 if (RtsFlags.GcFlags.steps < 1) {
896 bad_option(rts_argv[arg]);
901 RtsFlags.GcFlags.heapSizeSuggestion =
902 decode(rts_argv[arg]+2) / BLOCK_SIZE;
905 #ifdef RTS_GTK_FRONTPANEL
907 RtsFlags.GcFlags.frontpanel = rtsTrue;
911 case 'I': /* idle GC delay */
912 if (rts_argv[arg][2] == '\0') {
917 /* Convert to millisecs */
918 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
919 RtsFlags.GcFlags.idleGCDelayTime = cst;
924 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
928 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
932 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
937 /* Opening all those files would almost certainly fail... */
938 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
939 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
943 r = open_stats_file(arg, *argc, argv,
944 *rts_argc, rts_argv, NULL,
945 &RtsFlags.GcFlags.statsFile);
946 if (r == -1) { error = rtsTrue; }
952 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
955 /* =========== PROFILING ========================== */
957 case 'P': /* detailed cost centre profiling (time/alloc) */
958 case 'p': /* cost centre profiling (time/alloc) */
959 COST_CENTRE_USING_BUILD_ONLY(
960 switch (rts_argv[arg][2]) {
962 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
965 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
968 if (rts_argv[arg][1] == 'P') {
969 RtsFlags.CcFlags.doCostCentres =
970 COST_CENTRES_VERBOSE;
972 RtsFlags.CcFlags.doCostCentres =
973 COST_CENTRES_SUMMARY;
980 PROFILING_BUILD_ONLY(
981 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
984 PROFILING_BUILD_ONLY(
985 RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2);
986 if(RtsFlags.ProfFlags.ccsLength <= 0) {
987 bad_option(rts_argv[arg]);
990 case 'h': /* serial heap profile */
991 #if !defined(PROFILING)
992 switch (rts_argv[arg][2]) {
995 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
998 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1002 PROFILING_BUILD_ONLY(
1003 switch (rts_argv[arg][2]) {
1017 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
1019 char *left = strchr(rts_argv[arg], '{');
1020 char *right = strrchr(rts_argv[arg], '}');
1022 // curly braces are optional, for
1023 // backwards compat.
1027 left = rts_argv[arg] + 3;
1030 right = rts_argv[arg] + strlen(rts_argv[arg]);
1034 switch (rts_argv[arg][2]) {
1035 case 'c': // cost centre label select
1036 RtsFlags.ProfFlags.ccSelector = left;
1039 RtsFlags.ProfFlags.ccsSelector = left;
1042 case 'm': // cost centre module select
1043 RtsFlags.ProfFlags.modSelector = left;
1046 case 'd': // closure descr select
1047 RtsFlags.ProfFlags.descrSelector = left;
1050 case 'y': // closure type select
1051 RtsFlags.ProfFlags.typeSelector = left;
1054 case 'r': // retainer select
1055 RtsFlags.ProfFlags.retainerSelector = left;
1058 case 'b': // biography select
1059 RtsFlags.ProfFlags.bioSelector = left;
1066 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
1067 errorBelch("multiple heap profile options");
1072 switch (rts_argv[arg][2]) {
1076 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1080 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1084 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1088 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1092 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1096 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1102 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1106 #endif /* PROFILING */
1109 case 'i': /* heap sample interval */
1110 if (rts_argv[arg][2] == '\0') {
1115 /* Convert to milliseconds */
1116 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1117 RtsFlags.ProfFlags.profileInterval = cst;
1121 /* =========== CONCURRENT ========================= */
1122 case 'C': /* context switch interval */
1123 if (rts_argv[arg][2] == '\0')
1124 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1128 /* Convert to milliseconds */
1129 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1130 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1134 case 'V': /* master tick interval */
1135 if (rts_argv[arg][2] == '\0') {
1136 // turns off ticks completely
1137 RtsFlags.MiscFlags.tickInterval = 0;
1141 /* Convert to milliseconds */
1142 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1143 RtsFlags.MiscFlags.tickInterval = cst;
1147 #if defined(THREADED_RTS) && !defined(NOSMP)
1149 THREADED_BUILD_ONLY(
1150 if (rts_argv[arg][2] == '\0') {
1151 #if defined(PROFILING)
1152 RtsFlags.ParFlags.nNodes = 1;
1154 #if defined(mingw32_HOST_OS)
1158 RtsFlags.ParFlags.nNodes = si.dwNumberOfProcessors;
1160 #elif defined(HAVE_SYSCONF)
1161 RtsFlags.ParFlags.nNodes = sysconf(_SC_NPROCESSORS_CONF);
1163 RtsFlags.ParFlags.nNodes = 1;
1167 RtsFlags.ParFlags.nNodes
1168 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1169 if (RtsFlags.ParFlags.nNodes <= 0) {
1170 errorBelch("bad value for -N");
1173 #if defined(PROFILING)
1174 if (RtsFlags.ParFlags.nNodes > 1) {
1175 errorBelch("bad option %s: only -N1 is supported with profiling", rts_argv[arg]);
1183 THREADED_BUILD_ONLY(
1184 switch (rts_argv[arg][2]) {
1186 // backwards compat only
1187 RtsFlags.ParFlags.parGcEnabled = rtsFalse;
1190 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1197 switch (rts_argv[arg][2]) {
1199 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1203 RtsFlags.ParFlags.parGcEnabled = rtsFalse;
1206 if (rts_argv[arg][3] != '\0') {
1207 RtsFlags.ParFlags.parGcGen
1208 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1210 errorBelch("bad value for -qg");
1215 RtsFlags.ParFlags.migrate = rtsFalse;
1218 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1221 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1227 /* =========== PARALLEL =========================== */
1229 PAR_OR_THREADED_BUILD_ONLY(
1230 if (rts_argv[arg][2] != '\0') {
1231 RtsFlags.ParFlags.maxLocalSparks
1232 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1233 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1234 errorBelch("bad value for -e");
1243 process_par_option(arg, rts_argc, rts_argv, &error);
1247 /* =========== GRAN =============================== */
1251 process_gran_option(arg, rts_argc, rts_argv, &error);
1254 /* =========== TICKY ============================== */
1256 case 'r': /* Basic profiling stats */
1259 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1263 r = open_stats_file(arg, *argc, argv,
1264 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1265 &RtsFlags.TickyFlags.tickyFile);
1266 if (r == -1) { error = rtsTrue; }
1270 /* =========== TRACING ---------=================== */
1273 switch(rts_argv[arg][2]) {
1275 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1279 RtsFlags.TraceFlags.timestamp = rtsTrue;
1282 RtsFlags.TraceFlags.sched = rtsTrue;
1285 RtsFlags.TraceFlags.gc = rtsTrue;
1288 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1294 /* =========== EXTENDED OPTIONS =================== */
1296 case 'x': /* Extend the argument space */
1297 switch(rts_argv[arg][2]) {
1299 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1303 case 'b': /* heapBase in hex; undocumented */
1304 if (rts_argv[arg][3] != '\0') {
1305 RtsFlags.GcFlags.heapBase
1306 = strtol(rts_argv[arg]+3, (char **) NULL, 16);
1308 errorBelch("-xb: requires argument");
1313 #if defined(x86_64_HOST_ARCH)
1314 case 'm': /* linkerMemBase */
1315 if (rts_argv[arg][3] != '\0') {
1316 RtsFlags.MiscFlags.linkerMemBase
1317 = strtol(rts_argv[arg]+3, (char **) NULL, 16);
1318 if (RtsFlags.MiscFlags.linkerMemBase > 0x80000000) {
1319 errorBelch("-xm: value must be <80000000");
1323 RtsFlags.MiscFlags.linkerMemBase = 0;
1328 case 'c': /* Debugging tool: show current cost centre on an exception */
1329 PROFILING_BUILD_ONLY(
1330 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1334 case 't': /* Include memory used by TSOs in a heap profile */
1335 PROFILING_BUILD_ONLY(
1336 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1340 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1343 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1347 break; /* defensive programming */
1349 /* =========== OH DEAR ============================ */
1351 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1358 if (RtsFlags.MiscFlags.tickInterval < 0) {
1359 RtsFlags.MiscFlags.tickInterval = 50;
1362 // If the master timer is disabled, turn off the other timers.
1363 if (RtsFlags.MiscFlags.tickInterval == 0) {
1364 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1365 RtsFlags.GcFlags.idleGCDelayTime = 0;
1366 RtsFlags.ProfFlags.profileInterval = 0;
1369 // Determine what tick interval we should use for the RTS timer
1370 // by taking the shortest of the various intervals that we need to
1372 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1373 RtsFlags.MiscFlags.tickInterval =
1374 stg_min(RtsFlags.ConcFlags.ctxtSwitchTime,
1375 RtsFlags.MiscFlags.tickInterval);
1378 if (RtsFlags.GcFlags.idleGCDelayTime > 0) {
1379 RtsFlags.MiscFlags.tickInterval =
1380 stg_min(RtsFlags.GcFlags.idleGCDelayTime,
1381 RtsFlags.MiscFlags.tickInterval);
1384 if (RtsFlags.ProfFlags.profileInterval > 0) {
1385 RtsFlags.MiscFlags.tickInterval =
1386 stg_min(RtsFlags.ProfFlags.profileInterval,
1387 RtsFlags.MiscFlags.tickInterval);
1390 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1391 RtsFlags.ConcFlags.ctxtSwitchTicks =
1392 RtsFlags.ConcFlags.ctxtSwitchTime /
1393 RtsFlags.MiscFlags.tickInterval;
1395 RtsFlags.ConcFlags.ctxtSwitchTicks = 0;
1398 if (RtsFlags.ProfFlags.profileInterval > 0) {
1399 RtsFlags.ProfFlags.profileIntervalTicks =
1400 RtsFlags.ProfFlags.profileInterval /
1401 RtsFlags.MiscFlags.tickInterval;
1403 RtsFlags.ProfFlags.profileIntervalTicks = 0;
1410 for (p = usage_text; *p; p++)
1411 errorBelch("%s", *p);
1412 stg_exit(EXIT_FAILURE);
1419 enable_GranSimLight(void) {
1421 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1422 RtsFlags.GranFlags.Light=rtsTrue;
1423 RtsFlags.GranFlags.Costs.latency =
1424 RtsFlags.GranFlags.Costs.fetchtime =
1425 RtsFlags.GranFlags.Costs.additional_latency =
1426 RtsFlags.GranFlags.Costs.gunblocktime =
1427 RtsFlags.GranFlags.Costs.lunblocktime =
1428 RtsFlags.GranFlags.Costs.threadcreatetime =
1429 RtsFlags.GranFlags.Costs.threadqueuetime =
1430 RtsFlags.GranFlags.Costs.threadscheduletime =
1431 RtsFlags.GranFlags.Costs.threaddescheduletime =
1432 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1434 RtsFlags.GranFlags.Costs.mpacktime =
1435 RtsFlags.GranFlags.Costs.munpacktime = 0;
1437 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1438 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1439 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1440 /* FetchStrategy is irrelevant in GrAnSim-Light */
1442 /* GrAnSim Light often creates an abundance of parallel threads,
1443 each with its own stack etc. Therefore, it's in general a good
1444 idea to use small stack chunks (use the -o<size> option to
1447 // RtsFlags.ConcFlags.stkChunkSize = 100;
1449 RtsFlags.GranFlags.proc = 1;
1453 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1455 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1458 /* or a ridiculously idealised simulator */
1459 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1460 RtsFlags.GranFlags.Costs.latency =
1461 RtsFlags.GranFlags.Costs.fetchtime =
1462 RtsFlags.GranFlags.Costs.additional_latency =
1463 RtsFlags.GranFlags.Costs.gunblocktime =
1464 RtsFlags.GranFlags.Costs.lunblocktime =
1465 RtsFlags.GranFlags.Costs.threadcreatetime =
1466 RtsFlags.GranFlags.Costs.threadqueuetime =
1467 RtsFlags.GranFlags.Costs.threadscheduletime =
1468 RtsFlags.GranFlags.Costs.threaddescheduletime =
1469 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1471 RtsFlags.GranFlags.Costs.mpacktime =
1472 RtsFlags.GranFlags.Costs.munpacktime = 0;
1474 RtsFlags.GranFlags.Costs.arith_cost =
1475 RtsFlags.GranFlags.Costs.float_cost =
1476 RtsFlags.GranFlags.Costs.load_cost =
1477 RtsFlags.GranFlags.Costs.store_cost =
1478 RtsFlags.GranFlags.Costs.branch_cost = 0;
1480 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1482 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1483 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1484 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1485 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1489 /* or a somewhat idealised simulator */
1490 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1491 RtsFlags.GranFlags.Costs.latency =
1492 RtsFlags.GranFlags.Costs.fetchtime =
1493 RtsFlags.GranFlags.Costs.additional_latency =
1494 RtsFlags.GranFlags.Costs.gunblocktime =
1495 RtsFlags.GranFlags.Costs.lunblocktime =
1496 RtsFlags.GranFlags.Costs.threadcreatetime =
1497 RtsFlags.GranFlags.Costs.threadqueuetime =
1498 RtsFlags.GranFlags.Costs.threadscheduletime =
1499 RtsFlags.GranFlags.Costs.threaddescheduletime =
1500 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1502 RtsFlags.GranFlags.Costs.mpacktime =
1503 RtsFlags.GranFlags.Costs.munpacktime = 0;
1505 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1507 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1508 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1509 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1510 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1511 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1512 # if defined(GRAN_CHECK) && defined(GRAN)
1513 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1518 /* Communication and task creation cost parameters */
1519 switch(rts_argv[arg][2]) {
1521 IgnoreYields = rtsTrue; // HWL HACK
1525 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1529 if (rts_argv[arg][3] != '\0')
1531 RtsFlags.GranFlags.Costs.gunblocktime =
1532 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1533 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1536 RtsFlags.GranFlags.Costs.latency = LATENCY;
1540 if (rts_argv[arg][3] != '\0')
1541 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1543 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1547 if (rts_argv[arg][3] != '\0')
1548 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1550 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1554 if (rts_argv[arg][3] != '\0')
1555 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1557 RtsFlags.GranFlags.Costs.mtidytime = 0;
1561 if (rts_argv[arg][3] != '\0')
1562 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1564 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1568 if (rts_argv[arg][3] != '\0')
1569 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1571 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1575 if (rts_argv[arg][3] != '\0')
1576 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1578 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1582 if (rts_argv[arg][3] != '\0')
1583 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1585 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1588 /* Thread-related metrics */
1590 if (rts_argv[arg][3] != '\0')
1591 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1593 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1597 if (rts_argv[arg][3] != '\0')
1598 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1600 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1604 if (rts_argv[arg][3] != '\0')
1605 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1607 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1609 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1610 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1614 if (rts_argv[arg][3] != '\0')
1615 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1617 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1619 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1620 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1623 /* Instruction Cost Metrics */
1625 if (rts_argv[arg][3] != '\0')
1626 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1628 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1632 if (rts_argv[arg][3] != '\0')
1633 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1635 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1639 if (rts_argv[arg][3] != '\0')
1640 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1642 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1646 if (rts_argv[arg][3] != '\0')
1647 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1649 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1653 if (rts_argv[arg][3] != '\0')
1654 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1656 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1660 if (rts_argv[arg][3] != '\0')
1661 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1663 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1667 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1668 if (rts_argv[arg][3] != '\0')
1669 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1671 RtsFlags.GranFlags.FetchStrategy = 2;
1672 if (RtsFlags.GranFlags.FetchStrategy == 0)
1673 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1676 case 'K': /* sort overhead (per elem in spark list) */
1677 if (rts_argv[arg][3] != '\0')
1678 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1680 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1681 debugBelch("Overhead for pri spark: %d (per elem).\n",
1682 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1685 case 'O': /* sort overhead (per elem in spark list) */
1686 if (rts_argv[arg][3] != '\0')
1687 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1689 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1690 debugBelch("Overhead for pri sched: %d (per elem).\n",
1691 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1694 /* General Parameters */
1696 if (rts_argv[arg][3] != '\0')
1698 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1699 if (RtsFlags.GranFlags.proc==0) {
1700 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1701 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1702 RtsFlags.GranFlags.proc < 1)
1704 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1710 RtsFlags.GranFlags.proc = MAX_PROC;
1714 RtsFlags.GranFlags.Fishing = rtsTrue;
1715 if (rts_argv[arg][3] != '\0')
1716 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1718 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1722 if (rts_argv[arg][3] != '\0')
1723 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1725 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1729 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1730 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1734 debugBelch("Bulk fetching enabled.\n");
1735 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1739 debugBelch("Thread migration enabled.\n");
1740 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1744 debugBelch("Fair Scheduling enabled.\n");
1745 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1749 debugBelch("Priority Scheduling enabled.\n");
1750 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1754 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1755 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1759 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1763 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1767 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1771 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1775 /* format is -bP<c> where <c> is one char describing kind of profile */
1776 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1777 switch(rts_argv[arg][3]) {
1778 case '\0': break; // nothing special, just an ordinary profile
1779 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1781 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1783 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1785 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1787 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1789 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1791 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1796 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1800 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1803 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1804 if (rts_argv[arg][3] != '\0') {
1807 arg0 = rts_argv[arg]+3;
1808 if ((tmp = strstr(arg0,","))==NULL) {
1809 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1810 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1813 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1814 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1815 debugBelch("SparkPriority: %u.\n",
1816 RtsFlags.GranFlags.SparkPriority);
1817 debugBelch("SparkPriority2:%u.\n",
1818 RtsFlags.GranFlags.SparkPriority2);
1819 if (RtsFlags.GranFlags.SparkPriority2 <
1820 RtsFlags.GranFlags.SparkPriority) {
1821 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1822 RtsFlags.GranFlags.SparkPriority2,
1823 RtsFlags.GranFlags.SparkPriority);
1827 /* plain pri spark is now invoked with -bX
1828 RtsFlags.GranFlags.DoPrioritySparking = 1;
1829 debugBelch("PrioritySparking.\n");
1835 if (rts_argv[arg][3] != '\0') {
1836 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1838 RtsFlags.GranFlags.ThunksToPack = 1;
1840 debugBelch("Thunks To Pack in one packet: %u.\n",
1841 RtsFlags.GranFlags.ThunksToPack);
1845 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1846 debugBelch("Deterministic mode (no random stealing)\n");
1849 /* The following class of options contains eXperimental */
1850 /* features in connection with exploiting granularity */
1851 /* information. I.e. if -bY is chosen these options */
1852 /* tell the RTS what to do with the supplied info --HWL */
1855 if (rts_argv[arg][3] != '\0') {
1856 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1858 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1860 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1861 RtsFlags.GranFlags.packBufferSize_internal);
1865 switch(rts_argv[arg][3]) {
1868 RtsFlags.GranFlags.DoPrioritySparking = 1;
1869 debugBelch("Priority Sparking with Normal Priorities.\n");
1870 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1871 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1872 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1876 RtsFlags.GranFlags.DoPrioritySparking = 1;
1877 debugBelch("Priority Sparking with Inverse Priorities.\n");
1878 RtsFlags.GranFlags.InversePriorities++;
1882 RtsFlags.GranFlags.DoPrioritySparking = 1;
1883 debugBelch("Priority Sparking with Random Priorities.\n");
1884 RtsFlags.GranFlags.RandomPriorities++;
1888 RtsFlags.GranFlags.DoPrioritySparking = 1;
1889 debugBelch("Priority Sparking with No Priorities.\n");
1890 RtsFlags.GranFlags.IgnorePriorities++;
1894 bad_option( rts_argv[arg] );
1900 switch(rts_argv[arg][3]) {
1903 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1904 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1908 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1912 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1916 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1920 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1921 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1925 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1929 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1933 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1937 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1941 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1945 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1949 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1953 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1954 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1958 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1962 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1966 bad_option( rts_argv[arg] );
1971 # if defined(GRAN_CHECK) && defined(GRAN)
1973 switch(rts_argv[arg][3]) {
1974 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1975 if (rts_argv[arg][4] != '\0') {
1976 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1977 debugBelch("Pack buffer size: %d\n",
1978 RtsFlags.GranFlags.packBufferSize);
1980 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1986 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1987 /* hack warning: interpret the flags as a binary number */
1988 nat n = decode(rts_argv[arg]+3);
1989 set_GranSim_debug_options(n);
1992 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1993 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1996 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1997 debugBelch("Valid GranSim debug options are:\n");
1998 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1999 bad_option( rts_argv[arg] );
2000 } else { // flag found; now set it
2001 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
2007 case 'e': /* event trace; also -bD1 */
2008 debugBelch("DEBUG: event_trace; printing event trace.\n");
2009 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
2010 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
2013 case 'E': /* event statistics; also -bD2 */
2014 debugBelch("DEBUG: event_stats; printing event statistics.\n");
2015 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
2016 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
2019 case 'f': /* thunkStealing; also -bD4 */
2020 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
2021 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
2022 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
2025 case 'z': /* blockOnFetch; also -bD8 */
2026 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
2027 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
2028 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
2031 case 't': /* blockOnFetch_sanity; also -bD16 */
2032 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
2033 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
2034 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
2037 case 'S': /* priSpark; also -bD32 */
2038 debugBelch("DEBUG: priSpark; priority sparking.\n");
2039 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
2042 case 's': /* priSched; also -bD64 */
2043 debugBelch("DEBUG: priSched; priority scheduling.\n");
2044 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
2047 case 'F': /* findWork; also -bD128 */
2048 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
2049 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
2052 case 'g': /* globalBlock; also -bD256 */
2053 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
2054 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
2057 case 'G': /* pack; also -bD512 */
2058 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
2059 RtsFlags.GranFlags.Debug.pack = rtsTrue;
2062 case 'P': /* packBuffer; also -bD1024 */
2063 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
2064 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
2067 case 'o': /* sortedQ; also -bD2048 */
2068 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
2069 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
2072 case 'r': /* randomSteal; also -bD4096 */
2073 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
2074 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
2077 case 'q': /* checkSparkQ; also -bD8192 */
2078 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
2079 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
2082 case ':': /* checkLight; also -bD16384 */
2083 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
2084 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
2087 case 'b': /* bq; also -bD32768 */
2088 debugBelch("DEBUG: bq; check blocking queues\n");
2089 RtsFlags.GranFlags.Debug.bq = rtsTrue;
2092 case 'd': /* all options turned on */
2093 debugBelch("DEBUG: all options turned on.\n");
2094 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
2095 /* RtsFlags.GranFlags.Debug |= 0x40; */
2099 /* RtsFlags.GranFlags.Debug = 1; */
2105 # endif /* GRAN_CHECK */
2107 bad_option( rts_argv[arg] );
2113 Interpret n as a binary number masking GranSim debug options and set the
2114 correxponding option. See gran_debug_opts_strs for explanations of the flags.
2117 set_GranSim_debug_options(nat n) {
2120 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2122 errorBelch(gran_debug_opts_strs[i]);
2124 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
2125 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
2126 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
2127 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
2128 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
2129 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
2130 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
2131 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
2132 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
2133 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
2134 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
2135 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
2136 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
2137 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
2138 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
2139 default: barf("set_GranSim_debug_options: only %d debug options expected");
2145 Print one line explanation for each of the GranSim debug options specified
2149 help_GranSim_debug_options(nat n) {
2152 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2154 debugBelch(gran_debug_opts_strs[i]);
2160 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
2163 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
2164 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
2168 /* Communication and task creation cost parameters */
2169 switch(rts_argv[arg][2]) {
2170 case 'e': /* -qe<n> ... allow <n> local sparks */
2171 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
2172 RtsFlags.ParFlags.maxLocalSparks
2173 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2175 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
2176 errorBelch("setupRtsFlags: bad value for -e\n");
2180 IF_PAR_DEBUG(verbose,
2181 errorBelch("-qe<n>: max %d local sparks",
2182 RtsFlags.ParFlags.maxLocalSparks));
2186 if (rts_argv[arg][3] != '\0') {
2187 RtsFlags.ParFlags.maxThreads
2188 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2190 errorBelch("missing size for -qt\n");
2193 IF_PAR_DEBUG(verbose,
2194 errorBelch("-qt<n>: max %d threads",
2195 RtsFlags.ParFlags.maxThreads));
2199 if (rts_argv[arg][3] != '\0')
2200 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
2202 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
2204 IF_PAR_DEBUG(verbose,
2205 errorBelch("-qf<n>: max %d fishes sent out at one time",
2206 RtsFlags.ParFlags.maxFishes));
2210 if (rts_argv[arg][3] != '\0') {
2211 RtsFlags.ParFlags.fishDelay
2212 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2214 errorBelch("missing fish delay time for -qF\n");
2217 IF_PAR_DEBUG(verbose,
2218 errorBelch("-qF<n>: fish delay time %d us",
2219 RtsFlags.ParFlags.fishDelay));
2223 RtsFlags.ParFlags.outputDisabled = rtsTrue;
2224 IF_PAR_DEBUG(verbose,
2225 errorBelch("-qO: output disabled"));
2228 case 'g': /* -qg<n> ... globalisation scheme */
2229 if (rts_argv[arg][3] != '\0') {
2230 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
2232 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
2235 IF_PAR_DEBUG(verbose,
2236 debugBelch("-qg<n>: globalisation scheme set to %d",
2237 RtsFlags.ParFlags.globalising));
2240 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
2241 if (rts_argv[arg][3] != '\0') {
2242 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
2244 errorBelch("missing number of thunks per packet (for -qh)\n");
2247 IF_PAR_DEBUG(verbose,
2248 debugBelch("-qh<n>: thunks per packet set to %d",
2249 RtsFlags.ParFlags.thunksToPack));
2252 case 'P': /* -qP for writing a log file */
2253 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2254 /* same encoding as in GranSim after -bP */
2255 switch(rts_argv[arg][3]) {
2256 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2257 break; // nothing special, just an ordinary profile
2258 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2259 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2261 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2263 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2265 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2267 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2270 # if defined(PAR_TICKY)
2271 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2273 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2274 stg_exit(EXIT_FAILURE);
2277 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2279 IF_PAR_DEBUG(verbose,
2280 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2281 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2284 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2285 if (rts_argv[arg][3] != '\0') {
2286 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2288 errorBelch("missing size of PackBuffer (for -qQ)\n");
2291 IF_PAR_DEBUG(verbose,
2292 debugBelch("-qQ<n>: pack buffer size set to %d",
2293 RtsFlags.ParFlags.packBufferSize));
2297 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2298 IF_PAR_DEBUG(verbose,
2299 debugBelch("-qR: fair-ish scheduling"));
2304 if (rts_argv[arg][3] != '\0') {
2305 RtsFlags.ParFlags.wait
2306 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2308 RtsFlags.ParFlags.wait = 1000;
2310 IF_PAR_DEBUG(verbose,
2311 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2312 RtsFlags.ParFlags.wait));
2315 case 'D': /* -qD ... all the debugging options */
2316 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2317 /* hack warning: interpret the flags as a binary number */
2318 nat n = decode(rts_argv[arg]+3);
2319 set_par_debug_options(n);
2322 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2323 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2326 if (i==MAX_PAR_DEBUG_OPTION+1) {
2327 errorBelch("Valid GUM debug options are:\n");
2328 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2329 bad_option( rts_argv[arg] );
2330 } else { // flag found; now set it
2331 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2337 errorBelch("Unknown option -q%c (%d opts in total)",
2338 rts_argv[arg][2], *rts_argc);
2344 Interpret n as a binary number masking Par debug options and set the
2345 correxponding option. See par_debug_opts_strs for explanations of the flags.
2348 set_par_debug_options(nat n) {
2351 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2353 debugBelch(par_debug_opts_strs[i]);
2355 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2356 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2357 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2358 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2359 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2360 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2361 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2362 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2363 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2364 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2365 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2366 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2367 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2368 default: barf("set_par_debug_options: only %d debug options expected",
2369 MAX_PAR_DEBUG_OPTION);
2375 Print one line explanation for each of the GranSim debug options specified
2379 help_par_debug_options(nat n) {
2382 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2384 debugBelch(par_debug_opts_strs[i]);
2390 stats_fprintf(FILE *f, char *s, ...)
2402 static int /* return -1 on error */
2405 int argc, char *argv[],
2406 int rts_argc, char *rts_argv[],
2407 const char *FILENAME_FMT,
2412 if (strequal(rts_argv[arg]+2, "stderr")
2413 || (FILENAME_FMT == NULL && rts_argv[arg][2] == '\0')) {
2414 f = NULL; /* NULL means use debugBelch */
2416 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2417 f = fopen(rts_argv[arg]+2,"w");
2419 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2420 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2421 f = fopen(stats_filename,"w");
2424 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2431 /* Write argv and rtsv into start of stats file */
2433 for(count = 0; count < argc; count++) {
2434 stats_fprintf(f, "%s ", argv[count]);
2436 stats_fprintf(f, "+RTS ");
2437 for(count = 0; count < rts_argc; count++)
2438 stats_fprintf(f, "%s ", rts_argv[count]);
2439 stats_fprintf(f, "\n");
2447 decode(const char *s)
2458 if (c == 'g' || c == 'G')
2459 m *= 1000*1000*1000; /* UNchecked! */
2460 else if (c == 'm' || c == 'M')
2461 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2462 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2463 m *= 1000; /* a direct-mapped cache. */
2464 else if (c == 'w' || c == 'W')
2471 bad_option(const char *s)
2473 errorBelch("bad RTS option: %s", s);
2474 stg_exit(EXIT_FAILURE);
2477 /* -----------------------------------------------------------------------------
2478 Getting/Setting the program's arguments.
2480 These are used by System.Environment, and parts of the RTS.
2481 -------------------------------------------------------------------------- */
2484 setProgName(char *argv[])
2486 /* Remove directory from argv[0] -- default files in current directory */
2487 #if !defined(mingw32_HOST_OS)
2489 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2490 prog_name = last_slash+1;
2492 prog_name = argv[0];
2495 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2496 while ( last_slash > argv[0] ) {
2497 if ( *last_slash == '/' || *last_slash == '\\' ) {
2498 prog_name = last_slash+1;
2503 prog_name = argv[0];
2508 getProgArgv(int *argc, char **argv[])
2510 if (argc) { *argc = prog_argc; }
2511 if (argv) { *argv = prog_argv; }
2515 setProgArgv(int argc, char *argv[])
2517 /* Usually this is done by startupHaskell, so we don't need to call this.
2518 However, sometimes Hugs wants to change the arguments which Haskell
2519 getArgs >>= ... will be fed. So you can do that by calling here
2520 _after_ calling startupHaskell.
2524 setProgName(prog_argv);
2527 /* These functions record and recall the full arguments, including the
2528 +RTS ... -RTS options. The reason for adding them was so that the
2529 ghc-inplace program can pass /all/ the arguments on to the real ghc. */
2531 getFullProgArgv(int *argc, char **argv[])
2533 if (argc) { *argc = full_prog_argc; }
2534 if (argv) { *argv = full_prog_argv; }
2538 setFullProgArgv(int argc, char *argv[])
2541 full_prog_argc = argc;
2542 full_prog_argv = stgCallocBytes(argc + 1, sizeof (char *),
2543 "setFullProgArgv 1");
2544 for (i = 0; i < argc; i++) {
2545 full_prog_argv[i] = stgMallocBytes(strlen(argv[i]) + 1,
2546 "setFullProgArgv 2");
2547 strcpy(full_prog_argv[i], argv[i]);
2549 full_prog_argv[argc] = NULL;