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.eventlog = rtsFalse;
188 RtsFlags.DebugFlags.gran = rtsFalse;
189 RtsFlags.DebugFlags.par = rtsFalse;
190 RtsFlags.DebugFlags.apply = rtsFalse;
191 RtsFlags.DebugFlags.linker = rtsFalse;
192 RtsFlags.DebugFlags.squeeze = rtsFalse;
193 RtsFlags.DebugFlags.hpc = rtsFalse;
194 RtsFlags.DebugFlags.timestamp = rtsFalse;
197 #if defined(PROFILING) || defined(PAR)
198 RtsFlags.CcFlags.doCostCentres = 0;
199 #endif /* PROFILING or PAR */
201 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
202 RtsFlags.ProfFlags.profileInterval = 100;
205 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
206 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
207 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
208 RtsFlags.ProfFlags.ccsLength = 25;
209 RtsFlags.ProfFlags.modSelector = NULL;
210 RtsFlags.ProfFlags.descrSelector = NULL;
211 RtsFlags.ProfFlags.typeSelector = NULL;
212 RtsFlags.ProfFlags.ccSelector = NULL;
213 RtsFlags.ProfFlags.ccsSelector = NULL;
214 RtsFlags.ProfFlags.retainerSelector = NULL;
215 RtsFlags.ProfFlags.bioSelector = NULL;
219 RtsFlags.EventLogFlags.doEventLogging = rtsFalse;
222 RtsFlags.MiscFlags.tickInterval = 20; /* In milliseconds */
223 RtsFlags.ConcFlags.ctxtSwitchTime = 20; /* In milliseconds */
225 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
226 RtsFlags.MiscFlags.machineReadable = rtsFalse;
227 RtsFlags.MiscFlags.linkerMemBase = 0;
230 RtsFlags.ParFlags.nNodes = 1;
231 RtsFlags.ParFlags.migrate = rtsTrue;
232 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
233 RtsFlags.ParFlags.parGcEnabled = 1;
234 RtsFlags.ParFlags.parGcGen = 1;
235 RtsFlags.ParFlags.parGcLoadBalancing = 1;
236 RtsFlags.ParFlags.setAffinity = 0;
240 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
241 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
242 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
243 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
244 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
245 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
246 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
248 RtsFlags.ParFlags.outputDisabled = rtsFalse;
250 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
252 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
254 RtsFlags.ParFlags.packBufferSize = 1024;
255 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
256 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
257 RtsFlags.ParFlags.maxThreads = 1024;
258 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
259 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
262 #if defined(PAR) || defined(THREADED_RTS)
263 RtsFlags.ParFlags.maxLocalSparks = 4096;
264 #endif /* PAR || THREADED_RTS */
267 /* ToDo: check defaults for GranSim and GUM */
268 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
269 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
271 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
272 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
273 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
274 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
275 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
276 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
277 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
278 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
280 RtsFlags.GranFlags.packBufferSize = 1024;
281 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
283 RtsFlags.GranFlags.proc = MAX_PROC;
284 RtsFlags.GranFlags.Fishing = rtsFalse;
285 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
286 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
287 RtsFlags.GranFlags.Light = rtsFalse;
289 RtsFlags.GranFlags.Costs.latency = LATENCY;
290 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
291 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
292 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
293 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
294 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
295 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
296 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
298 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
299 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
300 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
301 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
302 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
304 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
305 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
306 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
307 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
308 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
310 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
312 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
313 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
315 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
316 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
317 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
318 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
319 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
320 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
321 RtsFlags.GranFlags.FetchStrategy = 2;
322 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
323 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
324 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
325 RtsFlags.GranFlags.SparkPriority = 0;
326 RtsFlags.GranFlags.SparkPriority2 = 0;
327 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
328 RtsFlags.GranFlags.InversePriorities = rtsFalse;
329 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
330 RtsFlags.GranFlags.ThunksToPack = 0;
331 RtsFlags.GranFlags.RandomSteal = rtsTrue;
335 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
336 RtsFlags.TickyFlags.tickyFile = NULL;
340 /* By default no special measurements taken */
341 RtsFlags.PapiFlags.eventType = 0;
342 RtsFlags.PapiFlags.numUserEvents = 0;
349 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
351 " +RTS Indicates run time system options follow",
352 " -RTS Indicates program arguments follow",
353 " --RTS Indicates that ALL subsequent arguments will be given to the",
354 " program (including any of these RTS flags)",
356 "The following run time system options are available:",
358 " -? Prints this message and exits; the program is not executed",
359 " --info Print information about the RTS used by this program",
361 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
362 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
364 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
365 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
366 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
367 " -m<n> Minimum % of heap which must be available (default 3%)",
368 " -G<n> Number of generations (default: 2)",
369 " -T<n> Number of steps in younger generations (default: 2)",
370 " -c<n> Auto-enable compaction of the oldest generation when live data is",
371 " at least <n>% of the maximum heap size set with -M (default: 30%)",
372 " -c Enable compaction for all major collections",
373 " -w Use mark-region for the oldest generation (experimental)",
374 #if defined(THREADED_RTS)
375 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
378 " -t[<file>] One-line GC statistics (if <file> omitted, uses stderr)",
379 " -s[<file>] Summary GC statistics (if <file> omitted, uses stderr)",
380 " -S[<file>] Detailed GC statistics (if <file> omitted, uses stderr)",
381 #ifdef RTS_GTK_FRONTPANEL
382 " -f Display front panel (requires X11 & GTK+)",
386 " -Z Don't squeeze out update frames on stack overflow",
387 " -B Sound the bell at the start of each garbage collection",
388 #if defined(PROFILING) || defined(PAR)
390 " -px Time/allocation profile (XML) (output file <program>.prof)",
391 " -p Time/allocation profile (output file <program>.prof)",
392 " -P More detailed Time/Allocation profile",
393 " -Pa Give information about *all* cost centres",
395 # if defined(PROFILING)
397 " -hx Heap residency profile (XML) (output file <program>.prof)",
398 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
399 " break-down: c = cost centre stack (default)",
401 " d = closure description",
402 " y = type description",
404 " b = biography (LAG,DRAG,VOID,USE)",
405 " A subset of closures may be selected thusly:",
406 " -hc<cc>,... specific cost centre(s) (top of stack only)",
407 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
408 " -hm<mod>... all cost centres from the specified modules(s)",
409 " -hd<des>,... closures with specified closure descriptions",
410 " -hy<typ>... closures with specified type descriptions",
411 " -hr<cc>... closures with specified retainers",
412 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
414 " -R<size> Set the maximum retainer set size (default: 8)",
416 " -L<chars> Maximum length of a cost-centre stack in a heap profile",
419 " -xt Include threads (TSOs) in a heap profile",
421 " -xc Show current cost centre stack on raising an exception",
424 #endif /* PROFILING or PAR */
428 " -l Log runtime events (generates binary trace file <program>.eventlog)",
432 #if !defined(PROFILING)
434 " -hT Heap residency profile (output file <program>.hp)",
436 " -i<sec> Time between heap samples (seconds, default: 0.1)",
438 #if defined(TICKY_TICKY)
439 " -r<file> Produce ticky-ticky statistics (with -rstderr for stderr)",
443 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
444 /* NB: the -N<n> is implemented by the driver!! */
446 " -C<secs> Context-switch interval in seconds.",
447 " 0 or no argument means switch as often as possible.",
448 " Default: 0.02 sec; resolution is set by -V below.",
449 " -V<secs> Master tick interval in seconds (0 == disable timer).",
450 " This sets the resolution for -C and the profile timer -i.",
451 " Default: 0.02 sec.",
453 " -vt Time-stamp debug messages",
456 " -Ds DEBUG: scheduler",
457 " -Di DEBUG: interpreter",
459 " -DG DEBUG: gccafs",
462 " -DS DEBUG: sanity",
463 " -Dt DEBUG: stable",
465 " -De DEBUG: event logging",
469 " -Dl DEBUG: linker",
471 " -Dz DEBUG: stack squezing",
472 " -Dc DEBUG: program coverage",
475 #if defined(THREADED_RTS) && !defined(NOSMP)
476 " -N<n> Use <n> processors (default: 1)",
477 " -N Determine the number of processors to use automatically",
478 " -q1 Use one OS thread for GC (turns off parallel GC)",
479 " -qg<n> Use parallel GC only for generations >= <n> (default: 1)",
480 " -qb Disable load-balancing in the parallel GC",
481 " -qa Use the OS to set thread affinity",
482 " -qm Don't automatically migrate threads between CPUs",
483 " -qw Migrate a thread to the current CPU when it is woken up",
485 " --install-signal-handlers=<yes|no>",
486 " Install signal handlers (default: yes)",
487 #if defined(THREADED_RTS) || defined(PAR)
488 " -e<size> Size of spark pools (default 100)",
491 " -t<num> Set maximum number of advisory threads per PE (default 32)",
492 " -qP Enable activity profile (output files in ~/<program>*.gr)",
493 " -qQ<size> Set pack-buffer size (default: 1024)",
494 " -qd Turn on PVM-ish debugging",
495 " -qO Disable output for performance measurement",
497 #if defined(THREADED_RTS) || defined(PAR)
498 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
501 " -d Turn on PVM-ish debugging",
502 " -O Disable output for performance measurement",
504 #if defined(GRAN) /* ToDo: fill in decent Docu here */
505 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
507 #if defined(x86_64_HOST_ARCH)
508 " -xm Base address to mmap memory in the GHCi linker",
509 " (hex; must be <80000000)",
511 #if defined(USE_PAPI)
512 " -aX CPU performance counter measurements using PAPI",
513 " (use with the -s<file> option). X is one of:",
516 " 1 - level 1 cache misses",
517 " 2 - level 2 cache misses",
518 " b - branch mispredictions",
519 " s - stalled cycles",
520 " e - cache miss and branch misprediction events",
523 "RTS options may also be specified using the GHCRTS environment variable.",
525 "Other RTS options may be available for programs compiled a different way.",
526 "The GHC User's Guide has full details.",
531 STATIC_INLINE rtsBool
532 strequal(const char *a, const char * b)
534 return(strcmp(a, b) == 0);
538 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
544 while (isspace(*c1)) { c1++; };
546 while (!isspace(*c2) && *c2 != '\0') { c2++; };
548 if (c1 == c2) { break; }
550 if (*rts_argc < MAX_RTS_ARGS-1) {
551 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
552 strncpy(s, c1, c2-c1);
554 rts_argv[(*rts_argc)++] = s;
556 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
560 } while (*c1 != '\0');
564 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
566 rtsBool error = rtsFalse;
577 // process arguments from the ghc_rts_opts global variable first.
578 // (arguments from the GHCRTS environment variable and the command
579 // line override these).
581 if (ghc_rts_opts != NULL) {
582 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
586 // process arguments from the GHCRTS environment variable next
587 // (arguments from the command line override these).
589 char *ghc_rts = getenv("GHCRTS");
591 if (ghc_rts != NULL) {
592 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
596 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
597 // argv[0] must be PGM argument -- leave in argv
599 for (mode = PGM; arg < total_arg; arg++) {
600 // The '--RTS' argument disables all future +RTS ... -RTS processing.
601 if (strequal("--RTS", argv[arg])) {
605 // The '--' argument is passed through to the program, but
606 // disables all further +RTS ... -RTS processing.
607 else if (strequal("--", argv[arg])) {
610 else if (strequal("+RTS", argv[arg])) {
613 else if (strequal("-RTS", argv[arg])) {
616 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
617 rts_argv[(*rts_argc)++] = argv[arg];
619 else if (mode == PGM) {
620 argv[(*argc)++] = argv[arg];
623 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
626 // process remaining program arguments
627 for (; arg < total_arg; arg++) {
628 argv[(*argc)++] = argv[arg];
630 argv[*argc] = (char *) 0;
631 rts_argv[*rts_argc] = (char *) 0;
633 // Process RTS (rts_argv) part: mainly to determine statsfile
634 for (arg = 0; arg < *rts_argc; arg++) {
635 if (rts_argv[arg][0] != '-') {
637 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
641 switch(rts_argv[arg][1]) {
643 /* process: general args, then PROFILING-only ones,
644 then CONCURRENT-only, PARallel-only, GRAN-only,
645 TICKY-only (same order as defined in RtsFlags.lh);
646 within those groups, mostly in case-insensitive
648 Final group is x*, which allows for more options.
652 # define TICKY_BUILD_ONLY(x) x
654 # define TICKY_BUILD_ONLY(x) \
655 errorBelch("not built for: ticky-ticky stats"); \
659 #if defined(PROFILING)
660 # define COST_CENTRE_USING_BUILD_ONLY(x) x
662 # define COST_CENTRE_USING_BUILD_ONLY(x) \
663 errorBelch("not built for: -prof or -parallel"); \
668 # define PROFILING_BUILD_ONLY(x) x
670 # define PROFILING_BUILD_ONLY(x) \
671 errorBelch("not built for: -prof"); \
676 # define EVENTLOG_BUILD_ONLY(x) x
678 # define EVENTLOG_BUILD_ONLY(x) \
679 errorBelch("not built for: -par-prof"); \
684 # define PAR_BUILD_ONLY(x) x
686 # define PAR_BUILD_ONLY(x) \
687 errorBelch("not built for: -parallel"); \
692 # define THREADED_BUILD_ONLY(x) x
694 # define THREADED_BUILD_ONLY(x) \
695 errorBelch("not built for: -smp"); \
699 #if defined(THREADED_RTS) || defined(PAR)
700 # define PAR_OR_THREADED_BUILD_ONLY(x) x
702 # define PAR_OR_THREADED_BUILD_ONLY(x) \
703 errorBelch("not built for: -parallel or -smp"); \
708 # define GRAN_BUILD_ONLY(x) x
710 # define GRAN_BUILD_ONLY(x) \
711 errorBelch("not built for: -gransim"); \
715 /* =========== GENERAL ========================== */
720 /* This isn't going to allow us to keep related options
721 together as we add more --* flags. We really need a
722 proper options parser. */
724 if (strequal("install-signal-handlers=yes",
725 &rts_argv[arg][2])) {
726 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
728 else if (strequal("install-signal-handlers=no",
729 &rts_argv[arg][2])) {
730 RtsFlags.MiscFlags.install_signal_handlers = rtsFalse;
732 else if (strequal("machine-readable",
733 &rts_argv[arg][2])) {
734 RtsFlags.MiscFlags.machineReadable = rtsTrue;
736 else if (strequal("info",
737 &rts_argv[arg][2])) {
742 errorBelch("unknown RTS option: %s",rts_argv[arg]);
747 RtsFlags.GcFlags.minAllocAreaSize
748 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
749 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
750 bad_option(rts_argv[arg]);
756 switch(rts_argv[arg][2]) {
758 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L1;
761 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L2;
764 RtsFlags.PapiFlags.eventType = PAPI_FLAG_BRANCH;
767 RtsFlags.PapiFlags.eventType = PAPI_FLAG_STALLS;
770 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
773 if (RtsFlags.PapiFlags.numUserEvents >= MAX_PAPI_USER_EVENTS) {
774 errorBelch("maximum number of PAPI events reached");
775 stg_exit(EXIT_FAILURE);
777 RtsFlags.PapiFlags.eventType = PAPI_USER_EVENTS;
778 RtsFlags.PapiFlags.userEvents[RtsFlags.PapiFlags.numUserEvents++] = rts_argv[arg] + 3;
781 bad_option( rts_argv[arg] );
787 RtsFlags.GcFlags.ringBell = rtsTrue;
791 if (rts_argv[arg][2] != '\0') {
792 RtsFlags.GcFlags.compactThreshold =
793 atof(rts_argv[arg]+2);
795 RtsFlags.GcFlags.compact = rtsTrue;
800 RtsFlags.GcFlags.sweep = rtsTrue;
804 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
806 if (RtsFlags.GcFlags.oldGenFactor < 0)
807 bad_option( rts_argv[arg] );
815 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
818 RtsFlags.DebugFlags.scheduler = rtsTrue;
821 RtsFlags.DebugFlags.interpreter = rtsTrue;
824 RtsFlags.DebugFlags.weak = rtsTrue;
827 RtsFlags.DebugFlags.gccafs = rtsTrue;
830 RtsFlags.DebugFlags.gc = rtsTrue;
833 RtsFlags.DebugFlags.block_alloc = rtsTrue;
836 RtsFlags.DebugFlags.sanity = rtsTrue;
839 RtsFlags.DebugFlags.stable = rtsTrue;
842 RtsFlags.DebugFlags.prof = rtsTrue;
845 RtsFlags.DebugFlags.eventlog = rtsTrue;
848 RtsFlags.DebugFlags.gran = rtsTrue;
851 RtsFlags.DebugFlags.par = rtsTrue;
854 RtsFlags.DebugFlags.linker = rtsTrue;
857 RtsFlags.DebugFlags.apply = rtsTrue;
860 RtsFlags.DebugFlags.stm = rtsTrue;
863 RtsFlags.DebugFlags.squeeze = rtsTrue;
866 RtsFlags.DebugFlags.hpc = rtsTrue;
869 bad_option( rts_argv[arg] );
877 RtsFlags.GcFlags.maxStkSize =
878 decode(rts_argv[arg]+2) / sizeof(W_);
880 if (RtsFlags.GcFlags.maxStkSize == 0)
881 bad_option( rts_argv[arg] );
885 RtsFlags.GcFlags.initialStkSize =
886 decode(rts_argv[arg]+2) / sizeof(W_);
888 if (RtsFlags.GcFlags.initialStkSize == 0)
889 bad_option( rts_argv[arg] );
893 RtsFlags.GcFlags.maxHeapSize =
894 decode(rts_argv[arg]+2) / BLOCK_SIZE;
895 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
897 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
898 bad_option(rts_argv[arg]);
903 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
905 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
906 RtsFlags.GcFlags.pcFreeHeap > 100)
907 bad_option( rts_argv[arg] );
911 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
912 if (RtsFlags.GcFlags.generations < 1) {
913 bad_option(rts_argv[arg]);
918 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
919 if (RtsFlags.GcFlags.steps < 1) {
920 bad_option(rts_argv[arg]);
925 RtsFlags.GcFlags.heapSizeSuggestion =
926 decode(rts_argv[arg]+2) / BLOCK_SIZE;
929 #ifdef RTS_GTK_FRONTPANEL
931 RtsFlags.GcFlags.frontpanel = rtsTrue;
935 case 'I': /* idle GC delay */
936 if (rts_argv[arg][2] == '\0') {
941 /* Convert to millisecs */
942 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
943 RtsFlags.GcFlags.idleGCDelayTime = cst;
948 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
952 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
956 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
961 /* Opening all those files would almost certainly fail... */
962 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
963 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
967 r = open_stats_file(arg, *argc, argv,
968 *rts_argc, rts_argv, NULL,
969 &RtsFlags.GcFlags.statsFile);
970 if (r == -1) { error = rtsTrue; }
976 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
979 /* =========== PROFILING ========================== */
983 RtsFlags.EventLogFlags.doEventLogging = rtsTrue;
985 errorBelch("not built for: -eventlog");
989 case 'P': /* detailed cost centre profiling (time/alloc) */
990 case 'p': /* cost centre profiling (time/alloc) */
991 COST_CENTRE_USING_BUILD_ONLY(
992 switch (rts_argv[arg][2]) {
994 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
997 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
1000 if (rts_argv[arg][1] == 'P') {
1001 RtsFlags.CcFlags.doCostCentres =
1002 COST_CENTRES_VERBOSE;
1004 RtsFlags.CcFlags.doCostCentres =
1005 COST_CENTRES_SUMMARY;
1012 PROFILING_BUILD_ONLY(
1013 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
1016 PROFILING_BUILD_ONLY(
1017 RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2);
1018 if(RtsFlags.ProfFlags.ccsLength <= 0) {
1019 bad_option(rts_argv[arg]);
1022 case 'h': /* serial heap profile */
1023 #if !defined(PROFILING)
1024 switch (rts_argv[arg][2]) {
1027 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
1030 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1034 PROFILING_BUILD_ONLY(
1035 switch (rts_argv[arg][2]) {
1049 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
1051 char *left = strchr(rts_argv[arg], '{');
1052 char *right = strrchr(rts_argv[arg], '}');
1054 // curly braces are optional, for
1055 // backwards compat.
1059 left = rts_argv[arg] + 3;
1062 right = rts_argv[arg] + strlen(rts_argv[arg]);
1066 switch (rts_argv[arg][2]) {
1067 case 'c': // cost centre label select
1068 RtsFlags.ProfFlags.ccSelector = left;
1071 RtsFlags.ProfFlags.ccsSelector = left;
1074 case 'm': // cost centre module select
1075 RtsFlags.ProfFlags.modSelector = left;
1078 case 'd': // closure descr select
1079 RtsFlags.ProfFlags.descrSelector = left;
1082 case 'y': // closure type select
1083 RtsFlags.ProfFlags.typeSelector = left;
1086 case 'r': // retainer select
1087 RtsFlags.ProfFlags.retainerSelector = left;
1090 case 'b': // biography select
1091 RtsFlags.ProfFlags.bioSelector = left;
1098 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
1099 errorBelch("multiple heap profile options");
1104 switch (rts_argv[arg][2]) {
1108 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1112 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1116 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1120 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1124 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1128 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1134 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1138 #endif /* PROFILING */
1141 case 'i': /* heap sample interval */
1142 if (rts_argv[arg][2] == '\0') {
1147 /* Convert to milliseconds */
1148 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1149 RtsFlags.ProfFlags.profileInterval = cst;
1153 /* =========== CONCURRENT ========================= */
1154 case 'C': /* context switch interval */
1155 if (rts_argv[arg][2] == '\0')
1156 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1160 /* Convert to milliseconds */
1161 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1162 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1166 case 'V': /* master tick interval */
1167 if (rts_argv[arg][2] == '\0') {
1168 // turns off ticks completely
1169 RtsFlags.MiscFlags.tickInterval = 0;
1173 /* Convert to milliseconds */
1174 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1175 RtsFlags.MiscFlags.tickInterval = cst;
1179 #if defined(THREADED_RTS) && !defined(NOSMP)
1181 THREADED_BUILD_ONLY(
1182 if (rts_argv[arg][2] == '\0') {
1183 #if defined(PROFILING)
1184 RtsFlags.ParFlags.nNodes = 1;
1186 RtsFlags.ParFlags.nNodes = getNumberOfProcessors();
1189 RtsFlags.ParFlags.nNodes
1190 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1191 if (RtsFlags.ParFlags.nNodes <= 0) {
1192 errorBelch("bad value for -N");
1195 #if defined(PROFILING)
1196 if (RtsFlags.ParFlags.nNodes > 1) {
1197 errorBelch("bad option %s: only -N1 is supported with profiling", rts_argv[arg]);
1205 THREADED_BUILD_ONLY(
1206 switch (rts_argv[arg][2]) {
1208 // backwards compat only
1209 RtsFlags.ParFlags.parGcEnabled = rtsFalse;
1212 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1219 switch (rts_argv[arg][2]) {
1221 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1225 RtsFlags.ParFlags.parGcEnabled = rtsFalse;
1228 if (rts_argv[arg][3] != '\0') {
1229 RtsFlags.ParFlags.parGcGen
1230 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1232 errorBelch("bad value for -qg");
1237 RtsFlags.ParFlags.parGcLoadBalancing = rtsFalse;
1240 RtsFlags.ParFlags.setAffinity = rtsTrue;
1243 RtsFlags.ParFlags.migrate = rtsFalse;
1246 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1249 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1255 /* =========== PARALLEL =========================== */
1257 PAR_OR_THREADED_BUILD_ONLY(
1258 if (rts_argv[arg][2] != '\0') {
1259 RtsFlags.ParFlags.maxLocalSparks
1260 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1261 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1262 errorBelch("bad value for -e");
1271 process_par_option(arg, rts_argc, rts_argv, &error);
1275 /* =========== GRAN =============================== */
1279 process_gran_option(arg, rts_argc, rts_argv, &error);
1282 /* =========== TICKY ============================== */
1284 case 'r': /* Basic profiling stats */
1287 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1291 r = open_stats_file(arg, *argc, argv,
1292 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1293 &RtsFlags.TickyFlags.tickyFile);
1294 if (r == -1) { error = rtsTrue; }
1298 /* =========== TRACING ---------=================== */
1301 switch(rts_argv[arg][2]) {
1303 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1307 RtsFlags.DebugFlags.timestamp = rtsTrue;
1311 // ignored for backwards-compat
1314 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1320 /* =========== EXTENDED OPTIONS =================== */
1322 case 'x': /* Extend the argument space */
1323 switch(rts_argv[arg][2]) {
1325 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1329 case 'b': /* heapBase in hex; undocumented */
1330 if (rts_argv[arg][3] != '\0') {
1331 RtsFlags.GcFlags.heapBase
1332 = strtol(rts_argv[arg]+3, (char **) NULL, 16);
1334 errorBelch("-xb: requires argument");
1339 #if defined(x86_64_HOST_ARCH)
1340 case 'm': /* linkerMemBase */
1341 if (rts_argv[arg][3] != '\0') {
1342 RtsFlags.MiscFlags.linkerMemBase
1343 = strtol(rts_argv[arg]+3, (char **) NULL, 16);
1344 if (RtsFlags.MiscFlags.linkerMemBase > 0x80000000) {
1345 errorBelch("-xm: value must be <80000000");
1349 RtsFlags.MiscFlags.linkerMemBase = 0;
1354 case 'c': /* Debugging tool: show current cost centre on an exception */
1355 PROFILING_BUILD_ONLY(
1356 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1360 case 't': /* Include memory used by TSOs in a heap profile */
1361 PROFILING_BUILD_ONLY(
1362 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1366 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1369 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1373 break; /* defensive programming */
1375 /* =========== OH DEAR ============================ */
1377 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1384 if (RtsFlags.MiscFlags.tickInterval < 0) {
1385 RtsFlags.MiscFlags.tickInterval = 50;
1388 // If the master timer is disabled, turn off the other timers.
1389 if (RtsFlags.MiscFlags.tickInterval == 0) {
1390 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1391 RtsFlags.GcFlags.idleGCDelayTime = 0;
1392 RtsFlags.ProfFlags.profileInterval = 0;
1395 // Determine what tick interval we should use for the RTS timer
1396 // by taking the shortest of the various intervals that we need to
1398 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1399 RtsFlags.MiscFlags.tickInterval =
1400 stg_min(RtsFlags.ConcFlags.ctxtSwitchTime,
1401 RtsFlags.MiscFlags.tickInterval);
1404 if (RtsFlags.GcFlags.idleGCDelayTime > 0) {
1405 RtsFlags.MiscFlags.tickInterval =
1406 stg_min(RtsFlags.GcFlags.idleGCDelayTime,
1407 RtsFlags.MiscFlags.tickInterval);
1410 if (RtsFlags.ProfFlags.profileInterval > 0) {
1411 RtsFlags.MiscFlags.tickInterval =
1412 stg_min(RtsFlags.ProfFlags.profileInterval,
1413 RtsFlags.MiscFlags.tickInterval);
1416 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1417 RtsFlags.ConcFlags.ctxtSwitchTicks =
1418 RtsFlags.ConcFlags.ctxtSwitchTime /
1419 RtsFlags.MiscFlags.tickInterval;
1421 RtsFlags.ConcFlags.ctxtSwitchTicks = 0;
1424 if (RtsFlags.ProfFlags.profileInterval > 0) {
1425 RtsFlags.ProfFlags.profileIntervalTicks =
1426 RtsFlags.ProfFlags.profileInterval /
1427 RtsFlags.MiscFlags.tickInterval;
1429 RtsFlags.ProfFlags.profileIntervalTicks = 0;
1436 for (p = usage_text; *p; p++)
1437 errorBelch("%s", *p);
1438 stg_exit(EXIT_FAILURE);
1445 enable_GranSimLight(void) {
1447 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1448 RtsFlags.GranFlags.Light=rtsTrue;
1449 RtsFlags.GranFlags.Costs.latency =
1450 RtsFlags.GranFlags.Costs.fetchtime =
1451 RtsFlags.GranFlags.Costs.additional_latency =
1452 RtsFlags.GranFlags.Costs.gunblocktime =
1453 RtsFlags.GranFlags.Costs.lunblocktime =
1454 RtsFlags.GranFlags.Costs.threadcreatetime =
1455 RtsFlags.GranFlags.Costs.threadqueuetime =
1456 RtsFlags.GranFlags.Costs.threadscheduletime =
1457 RtsFlags.GranFlags.Costs.threaddescheduletime =
1458 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1460 RtsFlags.GranFlags.Costs.mpacktime =
1461 RtsFlags.GranFlags.Costs.munpacktime = 0;
1463 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1464 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1465 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1466 /* FetchStrategy is irrelevant in GrAnSim-Light */
1468 /* GrAnSim Light often creates an abundance of parallel threads,
1469 each with its own stack etc. Therefore, it's in general a good
1470 idea to use small stack chunks (use the -o<size> option to
1473 // RtsFlags.ConcFlags.stkChunkSize = 100;
1475 RtsFlags.GranFlags.proc = 1;
1479 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1481 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1484 /* or a ridiculously idealised simulator */
1485 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1486 RtsFlags.GranFlags.Costs.latency =
1487 RtsFlags.GranFlags.Costs.fetchtime =
1488 RtsFlags.GranFlags.Costs.additional_latency =
1489 RtsFlags.GranFlags.Costs.gunblocktime =
1490 RtsFlags.GranFlags.Costs.lunblocktime =
1491 RtsFlags.GranFlags.Costs.threadcreatetime =
1492 RtsFlags.GranFlags.Costs.threadqueuetime =
1493 RtsFlags.GranFlags.Costs.threadscheduletime =
1494 RtsFlags.GranFlags.Costs.threaddescheduletime =
1495 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1497 RtsFlags.GranFlags.Costs.mpacktime =
1498 RtsFlags.GranFlags.Costs.munpacktime = 0;
1500 RtsFlags.GranFlags.Costs.arith_cost =
1501 RtsFlags.GranFlags.Costs.float_cost =
1502 RtsFlags.GranFlags.Costs.load_cost =
1503 RtsFlags.GranFlags.Costs.store_cost =
1504 RtsFlags.GranFlags.Costs.branch_cost = 0;
1506 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1508 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1509 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1510 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1511 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1515 /* or a somewhat idealised simulator */
1516 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1517 RtsFlags.GranFlags.Costs.latency =
1518 RtsFlags.GranFlags.Costs.fetchtime =
1519 RtsFlags.GranFlags.Costs.additional_latency =
1520 RtsFlags.GranFlags.Costs.gunblocktime =
1521 RtsFlags.GranFlags.Costs.lunblocktime =
1522 RtsFlags.GranFlags.Costs.threadcreatetime =
1523 RtsFlags.GranFlags.Costs.threadqueuetime =
1524 RtsFlags.GranFlags.Costs.threadscheduletime =
1525 RtsFlags.GranFlags.Costs.threaddescheduletime =
1526 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1528 RtsFlags.GranFlags.Costs.mpacktime =
1529 RtsFlags.GranFlags.Costs.munpacktime = 0;
1531 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1533 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1534 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1535 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1536 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1537 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1538 # if defined(GRAN_CHECK) && defined(GRAN)
1539 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1544 /* Communication and task creation cost parameters */
1545 switch(rts_argv[arg][2]) {
1547 IgnoreYields = rtsTrue; // HWL HACK
1551 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1555 if (rts_argv[arg][3] != '\0')
1557 RtsFlags.GranFlags.Costs.gunblocktime =
1558 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1559 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1562 RtsFlags.GranFlags.Costs.latency = LATENCY;
1566 if (rts_argv[arg][3] != '\0')
1567 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1569 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1573 if (rts_argv[arg][3] != '\0')
1574 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1576 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1580 if (rts_argv[arg][3] != '\0')
1581 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1583 RtsFlags.GranFlags.Costs.mtidytime = 0;
1587 if (rts_argv[arg][3] != '\0')
1588 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1590 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1594 if (rts_argv[arg][3] != '\0')
1595 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1597 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1601 if (rts_argv[arg][3] != '\0')
1602 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1604 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1608 if (rts_argv[arg][3] != '\0')
1609 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1611 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1614 /* Thread-related metrics */
1616 if (rts_argv[arg][3] != '\0')
1617 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1619 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1623 if (rts_argv[arg][3] != '\0')
1624 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1626 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1630 if (rts_argv[arg][3] != '\0')
1631 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1633 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1635 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1636 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1640 if (rts_argv[arg][3] != '\0')
1641 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1643 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1645 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1646 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1649 /* Instruction Cost Metrics */
1651 if (rts_argv[arg][3] != '\0')
1652 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1654 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1658 if (rts_argv[arg][3] != '\0')
1659 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1661 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1665 if (rts_argv[arg][3] != '\0')
1666 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1668 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1672 if (rts_argv[arg][3] != '\0')
1673 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1675 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1679 if (rts_argv[arg][3] != '\0')
1680 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1682 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1686 if (rts_argv[arg][3] != '\0')
1687 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1689 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1693 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1694 if (rts_argv[arg][3] != '\0')
1695 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1697 RtsFlags.GranFlags.FetchStrategy = 2;
1698 if (RtsFlags.GranFlags.FetchStrategy == 0)
1699 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1702 case 'K': /* sort overhead (per elem in spark list) */
1703 if (rts_argv[arg][3] != '\0')
1704 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1706 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1707 debugBelch("Overhead for pri spark: %d (per elem).\n",
1708 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1711 case 'O': /* sort overhead (per elem in spark list) */
1712 if (rts_argv[arg][3] != '\0')
1713 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1715 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1716 debugBelch("Overhead for pri sched: %d (per elem).\n",
1717 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1720 /* General Parameters */
1722 if (rts_argv[arg][3] != '\0')
1724 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1725 if (RtsFlags.GranFlags.proc==0) {
1726 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1727 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1728 RtsFlags.GranFlags.proc < 1)
1730 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1736 RtsFlags.GranFlags.proc = MAX_PROC;
1740 RtsFlags.GranFlags.Fishing = rtsTrue;
1741 if (rts_argv[arg][3] != '\0')
1742 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1744 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1748 if (rts_argv[arg][3] != '\0')
1749 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1751 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1755 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1756 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1760 debugBelch("Bulk fetching enabled.\n");
1761 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1765 debugBelch("Thread migration enabled.\n");
1766 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1770 debugBelch("Fair Scheduling enabled.\n");
1771 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1775 debugBelch("Priority Scheduling enabled.\n");
1776 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1780 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1781 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1785 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1789 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1793 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1797 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1801 /* format is -bP<c> where <c> is one char describing kind of profile */
1802 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1803 switch(rts_argv[arg][3]) {
1804 case '\0': break; // nothing special, just an ordinary profile
1805 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1807 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1809 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1811 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1813 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1815 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1817 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1822 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1826 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1829 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1830 if (rts_argv[arg][3] != '\0') {
1833 arg0 = rts_argv[arg]+3;
1834 if ((tmp = strstr(arg0,","))==NULL) {
1835 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1836 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1839 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1840 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1841 debugBelch("SparkPriority: %u.\n",
1842 RtsFlags.GranFlags.SparkPriority);
1843 debugBelch("SparkPriority2:%u.\n",
1844 RtsFlags.GranFlags.SparkPriority2);
1845 if (RtsFlags.GranFlags.SparkPriority2 <
1846 RtsFlags.GranFlags.SparkPriority) {
1847 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1848 RtsFlags.GranFlags.SparkPriority2,
1849 RtsFlags.GranFlags.SparkPriority);
1853 /* plain pri spark is now invoked with -bX
1854 RtsFlags.GranFlags.DoPrioritySparking = 1;
1855 debugBelch("PrioritySparking.\n");
1861 if (rts_argv[arg][3] != '\0') {
1862 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1864 RtsFlags.GranFlags.ThunksToPack = 1;
1866 debugBelch("Thunks To Pack in one packet: %u.\n",
1867 RtsFlags.GranFlags.ThunksToPack);
1871 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1872 debugBelch("Deterministic mode (no random stealing)\n");
1875 /* The following class of options contains eXperimental */
1876 /* features in connection with exploiting granularity */
1877 /* information. I.e. if -bY is chosen these options */
1878 /* tell the RTS what to do with the supplied info --HWL */
1881 if (rts_argv[arg][3] != '\0') {
1882 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1884 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1886 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1887 RtsFlags.GranFlags.packBufferSize_internal);
1891 switch(rts_argv[arg][3]) {
1894 RtsFlags.GranFlags.DoPrioritySparking = 1;
1895 debugBelch("Priority Sparking with Normal Priorities.\n");
1896 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1897 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1898 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1902 RtsFlags.GranFlags.DoPrioritySparking = 1;
1903 debugBelch("Priority Sparking with Inverse Priorities.\n");
1904 RtsFlags.GranFlags.InversePriorities++;
1908 RtsFlags.GranFlags.DoPrioritySparking = 1;
1909 debugBelch("Priority Sparking with Random Priorities.\n");
1910 RtsFlags.GranFlags.RandomPriorities++;
1914 RtsFlags.GranFlags.DoPrioritySparking = 1;
1915 debugBelch("Priority Sparking with No Priorities.\n");
1916 RtsFlags.GranFlags.IgnorePriorities++;
1920 bad_option( rts_argv[arg] );
1926 switch(rts_argv[arg][3]) {
1929 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1930 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1934 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1938 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1942 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1946 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1947 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1951 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1955 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1959 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1963 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1967 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1971 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1975 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1979 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1980 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1984 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1988 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1992 bad_option( rts_argv[arg] );
1997 # if defined(GRAN_CHECK) && defined(GRAN)
1999 switch(rts_argv[arg][3]) {
2000 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
2001 if (rts_argv[arg][4] != '\0') {
2002 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
2003 debugBelch("Pack buffer size: %d\n",
2004 RtsFlags.GranFlags.packBufferSize);
2006 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
2012 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2013 /* hack warning: interpret the flags as a binary number */
2014 nat n = decode(rts_argv[arg]+3);
2015 set_GranSim_debug_options(n);
2018 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2019 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
2022 if (i==MAX_GRAN_DEBUG_OPTION+1) {
2023 debugBelch("Valid GranSim debug options are:\n");
2024 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
2025 bad_option( rts_argv[arg] );
2026 } else { // flag found; now set it
2027 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
2033 case 'e': /* event trace; also -bD1 */
2034 debugBelch("DEBUG: event_trace; printing event trace.\n");
2035 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
2036 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
2039 case 'E': /* event statistics; also -bD2 */
2040 debugBelch("DEBUG: event_stats; printing event statistics.\n");
2041 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
2042 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
2045 case 'f': /* thunkStealing; also -bD4 */
2046 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
2047 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
2048 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
2051 case 'z': /* blockOnFetch; also -bD8 */
2052 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
2053 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
2054 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
2057 case 't': /* blockOnFetch_sanity; also -bD16 */
2058 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
2059 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
2060 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
2063 case 'S': /* priSpark; also -bD32 */
2064 debugBelch("DEBUG: priSpark; priority sparking.\n");
2065 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
2068 case 's': /* priSched; also -bD64 */
2069 debugBelch("DEBUG: priSched; priority scheduling.\n");
2070 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
2073 case 'F': /* findWork; also -bD128 */
2074 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
2075 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
2078 case 'g': /* globalBlock; also -bD256 */
2079 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
2080 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
2083 case 'G': /* pack; also -bD512 */
2084 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
2085 RtsFlags.GranFlags.Debug.pack = rtsTrue;
2088 case 'P': /* packBuffer; also -bD1024 */
2089 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
2090 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
2093 case 'o': /* sortedQ; also -bD2048 */
2094 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
2095 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
2098 case 'r': /* randomSteal; also -bD4096 */
2099 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
2100 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
2103 case 'q': /* checkSparkQ; also -bD8192 */
2104 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
2105 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
2108 case ':': /* checkLight; also -bD16384 */
2109 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
2110 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
2113 case 'b': /* bq; also -bD32768 */
2114 debugBelch("DEBUG: bq; check blocking queues\n");
2115 RtsFlags.GranFlags.Debug.bq = rtsTrue;
2118 case 'd': /* all options turned on */
2119 debugBelch("DEBUG: all options turned on.\n");
2120 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
2121 /* RtsFlags.GranFlags.Debug |= 0x40; */
2125 /* RtsFlags.GranFlags.Debug = 1; */
2131 # endif /* GRAN_CHECK */
2133 bad_option( rts_argv[arg] );
2139 Interpret n as a binary number masking GranSim debug options and set the
2140 correxponding option. See gran_debug_opts_strs for explanations of the flags.
2143 set_GranSim_debug_options(nat n) {
2146 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2148 errorBelch(gran_debug_opts_strs[i]);
2150 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
2151 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
2152 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
2153 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
2154 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
2155 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
2156 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
2157 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
2158 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
2159 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
2160 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
2161 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
2162 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
2163 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
2164 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
2165 default: barf("set_GranSim_debug_options: only %d debug options expected");
2171 Print one line explanation for each of the GranSim debug options specified
2175 help_GranSim_debug_options(nat n) {
2178 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2180 debugBelch(gran_debug_opts_strs[i]);
2186 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
2189 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
2190 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
2194 /* Communication and task creation cost parameters */
2195 switch(rts_argv[arg][2]) {
2196 case 'e': /* -qe<n> ... allow <n> local sparks */
2197 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
2198 RtsFlags.ParFlags.maxLocalSparks
2199 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2201 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
2202 errorBelch("setupRtsFlags: bad value for -e\n");
2206 IF_PAR_DEBUG(verbose,
2207 errorBelch("-qe<n>: max %d local sparks",
2208 RtsFlags.ParFlags.maxLocalSparks));
2212 if (rts_argv[arg][3] != '\0') {
2213 RtsFlags.ParFlags.maxThreads
2214 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2216 errorBelch("missing size for -qt\n");
2219 IF_PAR_DEBUG(verbose,
2220 errorBelch("-qt<n>: max %d threads",
2221 RtsFlags.ParFlags.maxThreads));
2225 if (rts_argv[arg][3] != '\0')
2226 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
2228 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
2230 IF_PAR_DEBUG(verbose,
2231 errorBelch("-qf<n>: max %d fishes sent out at one time",
2232 RtsFlags.ParFlags.maxFishes));
2236 if (rts_argv[arg][3] != '\0') {
2237 RtsFlags.ParFlags.fishDelay
2238 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2240 errorBelch("missing fish delay time for -qF\n");
2243 IF_PAR_DEBUG(verbose,
2244 errorBelch("-qF<n>: fish delay time %d us",
2245 RtsFlags.ParFlags.fishDelay));
2249 RtsFlags.ParFlags.outputDisabled = rtsTrue;
2250 IF_PAR_DEBUG(verbose,
2251 errorBelch("-qO: output disabled"));
2254 case 'g': /* -qg<n> ... globalisation scheme */
2255 if (rts_argv[arg][3] != '\0') {
2256 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
2258 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
2261 IF_PAR_DEBUG(verbose,
2262 debugBelch("-qg<n>: globalisation scheme set to %d",
2263 RtsFlags.ParFlags.globalising));
2266 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
2267 if (rts_argv[arg][3] != '\0') {
2268 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
2270 errorBelch("missing number of thunks per packet (for -qh)\n");
2273 IF_PAR_DEBUG(verbose,
2274 debugBelch("-qh<n>: thunks per packet set to %d",
2275 RtsFlags.ParFlags.thunksToPack));
2278 case 'P': /* -qP for writing a log file */
2279 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2280 /* same encoding as in GranSim after -bP */
2281 switch(rts_argv[arg][3]) {
2282 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2283 break; // nothing special, just an ordinary profile
2284 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2285 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2287 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2289 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2291 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2293 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2296 # if defined(PAR_TICKY)
2297 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2299 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2300 stg_exit(EXIT_FAILURE);
2303 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2305 IF_PAR_DEBUG(verbose,
2306 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2307 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2310 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2311 if (rts_argv[arg][3] != '\0') {
2312 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2314 errorBelch("missing size of PackBuffer (for -qQ)\n");
2317 IF_PAR_DEBUG(verbose,
2318 debugBelch("-qQ<n>: pack buffer size set to %d",
2319 RtsFlags.ParFlags.packBufferSize));
2323 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2324 IF_PAR_DEBUG(verbose,
2325 debugBelch("-qR: fair-ish scheduling"));
2330 if (rts_argv[arg][3] != '\0') {
2331 RtsFlags.ParFlags.wait
2332 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2334 RtsFlags.ParFlags.wait = 1000;
2336 IF_PAR_DEBUG(verbose,
2337 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2338 RtsFlags.ParFlags.wait));
2341 case 'D': /* -qD ... all the debugging options */
2342 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2343 /* hack warning: interpret the flags as a binary number */
2344 nat n = decode(rts_argv[arg]+3);
2345 set_par_debug_options(n);
2348 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2349 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2352 if (i==MAX_PAR_DEBUG_OPTION+1) {
2353 errorBelch("Valid GUM debug options are:\n");
2354 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2355 bad_option( rts_argv[arg] );
2356 } else { // flag found; now set it
2357 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2363 errorBelch("Unknown option -q%c (%d opts in total)",
2364 rts_argv[arg][2], *rts_argc);
2370 Interpret n as a binary number masking Par debug options and set the
2371 correxponding option. See par_debug_opts_strs for explanations of the flags.
2374 set_par_debug_options(nat n) {
2377 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2379 debugBelch(par_debug_opts_strs[i]);
2381 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2382 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2383 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2384 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2385 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2386 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2387 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2388 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2389 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2390 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2391 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2392 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2393 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2394 default: barf("set_par_debug_options: only %d debug options expected",
2395 MAX_PAR_DEBUG_OPTION);
2401 Print one line explanation for each of the GranSim debug options specified
2405 help_par_debug_options(nat n) {
2408 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2410 debugBelch(par_debug_opts_strs[i]);
2416 stats_fprintf(FILE *f, char *s, ...)
2428 static int /* return -1 on error */
2431 int argc, char *argv[],
2432 int rts_argc, char *rts_argv[],
2433 const char *FILENAME_FMT,
2438 if (strequal(rts_argv[arg]+2, "stderr")
2439 || (FILENAME_FMT == NULL && rts_argv[arg][2] == '\0')) {
2440 f = NULL; /* NULL means use debugBelch */
2442 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2443 f = fopen(rts_argv[arg]+2,"w");
2445 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2446 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2447 f = fopen(stats_filename,"w");
2450 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2457 /* Write argv and rtsv into start of stats file */
2459 for(count = 0; count < argc; count++) {
2460 stats_fprintf(f, "%s ", argv[count]);
2462 stats_fprintf(f, "+RTS ");
2463 for(count = 0; count < rts_argc; count++)
2464 stats_fprintf(f, "%s ", rts_argv[count]);
2465 stats_fprintf(f, "\n");
2473 decode(const char *s)
2484 if (c == 'g' || c == 'G')
2485 m *= 1000*1000*1000; /* UNchecked! */
2486 else if (c == 'm' || c == 'M')
2487 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2488 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2489 m *= 1000; /* a direct-mapped cache. */
2490 else if (c == 'w' || c == 'W')
2497 bad_option(const char *s)
2499 errorBelch("bad RTS option: %s", s);
2500 stg_exit(EXIT_FAILURE);
2503 /* -----------------------------------------------------------------------------
2504 Getting/Setting the program's arguments.
2506 These are used by System.Environment, and parts of the RTS.
2507 -------------------------------------------------------------------------- */
2510 setProgName(char *argv[])
2512 /* Remove directory from argv[0] -- default files in current directory */
2513 #if !defined(mingw32_HOST_OS)
2515 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2516 prog_name = last_slash+1;
2518 prog_name = argv[0];
2521 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2522 while ( last_slash > argv[0] ) {
2523 if ( *last_slash == '/' || *last_slash == '\\' ) {
2524 prog_name = last_slash+1;
2529 prog_name = argv[0];
2534 getProgArgv(int *argc, char **argv[])
2536 if (argc) { *argc = prog_argc; }
2537 if (argv) { *argv = prog_argv; }
2541 setProgArgv(int argc, char *argv[])
2543 /* Usually this is done by startupHaskell, so we don't need to call this.
2544 However, sometimes Hugs wants to change the arguments which Haskell
2545 getArgs >>= ... will be fed. So you can do that by calling here
2546 _after_ calling startupHaskell.
2550 setProgName(prog_argv);
2553 /* These functions record and recall the full arguments, including the
2554 +RTS ... -RTS options. The reason for adding them was so that the
2555 ghc-inplace program can pass /all/ the arguments on to the real ghc. */
2557 getFullProgArgv(int *argc, char **argv[])
2559 if (argc) { *argc = full_prog_argc; }
2560 if (argv) { *argv = full_prog_argv; }
2564 setFullProgArgv(int argc, char *argv[])
2567 full_prog_argc = argc;
2568 full_prog_argv = stgCallocBytes(argc + 1, sizeof (char *),
2569 "setFullProgArgv 1");
2570 for (i = 0; i < argc; i++) {
2571 full_prog_argv[i] = stgMallocBytes(strlen(argv[i]) + 1,
2572 "setFullProgArgv 2");
2573 strcpy(full_prog_argv[i], argv[i]);
2575 full_prog_argv[argc] = NULL;