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"
27 * Split argument lists
29 int prog_argc = 0; /* an "int" so as to match normal "argc" */
30 char **prog_argv = NULL;
31 int full_prog_argc = 0; /* an "int" so as to match normal "argc" */
32 char **full_prog_argv = NULL;
33 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
34 int rts_argc = 0; /* ditto */
35 char *rts_argv[MAX_RTS_ARGS];
38 * constants, used later
45 static char *gran_debug_opts_strs[] = {
46 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
47 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
48 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
49 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
50 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
51 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
52 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
53 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
54 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
55 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
56 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
57 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
58 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
59 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
60 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
63 /* one character codes for the available debug options */
64 static char gran_debug_opts_flags[] = {
65 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
70 static char *par_debug_opts_strs[] = {
71 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
72 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
73 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
74 "DEBUG (-qDe, -qD8): free; free messages.\n",
75 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
76 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
77 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
78 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
79 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
80 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
81 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
82 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
83 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
84 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
87 /* one character codes for the available debug options */
88 static char par_debug_opts_flags[] = {
89 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
94 /* -----------------------------------------------------------------------------
96 -------------------------------------------------------------------------- */
98 static int /* return NULL on error */
101 int argc, char *argv[],
102 int rts_argc, char *rts_argv[],
103 const char *FILENAME_FMT,
106 static I_ decode(const char *s);
107 static void bad_option(const char *s);
110 static void enable_GranSimLight(void);
111 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
112 static void set_GranSim_debug_options(nat n);
113 static void help_GranSim_debug_options(nat n);
115 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
116 static void set_par_debug_options(nat n);
117 static void help_par_debug_options(nat n);
120 /* -----------------------------------------------------------------------------
121 * Command-line option parsing routines.
122 * ---------------------------------------------------------------------------*/
124 void initRtsFlagsDefaults(void)
126 RtsFlags.GcFlags.statsFile = NULL;
127 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
129 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
130 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
132 RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
133 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
134 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
135 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
136 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
137 RtsFlags.GcFlags.oldGenFactor = 2;
139 /* A hack currently needed for GUM -- HWL */
140 RtsFlags.GcFlags.generations = 1;
141 RtsFlags.GcFlags.steps = 2;
142 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
144 RtsFlags.GcFlags.generations = 2;
145 RtsFlags.GcFlags.steps = 2;
146 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
148 RtsFlags.GcFlags.compact = rtsFalse;
149 RtsFlags.GcFlags.compactThreshold = 30.0;
150 #ifdef RTS_GTK_FRONTPANEL
151 RtsFlags.GcFlags.frontpanel = rtsFalse;
153 RtsFlags.GcFlags.idleGCDelayTime = 300; /* millisecs */
156 /* ToDo: Perhaps by adjusting this value we can make linking without
157 * -static work (i.e., not generate a core-dumping executable)? */
158 # if SIZEOF_VOID_P == 8
159 RtsFlags.GcFlags.heapBase = 0x180000000L;
161 # error I have no idea where to begin the heap on a non-64-bit osf3 machine.
164 RtsFlags.GcFlags.heapBase = 0; /* means don't care */
168 RtsFlags.DebugFlags.scheduler = rtsFalse;
169 RtsFlags.DebugFlags.interpreter = rtsFalse;
170 RtsFlags.DebugFlags.weak = rtsFalse;
171 RtsFlags.DebugFlags.gccafs = rtsFalse;
172 RtsFlags.DebugFlags.gc = rtsFalse;
173 RtsFlags.DebugFlags.block_alloc = rtsFalse;
174 RtsFlags.DebugFlags.sanity = rtsFalse;
175 RtsFlags.DebugFlags.stable = rtsFalse;
176 RtsFlags.DebugFlags.stm = rtsFalse;
177 RtsFlags.DebugFlags.prof = rtsFalse;
178 RtsFlags.DebugFlags.gran = rtsFalse;
179 RtsFlags.DebugFlags.par = rtsFalse;
180 RtsFlags.DebugFlags.linker = rtsFalse;
181 RtsFlags.DebugFlags.squeeze = rtsFalse;
182 RtsFlags.DebugFlags.hpc = rtsFalse;
185 #if defined(PROFILING) || defined(PAR)
186 RtsFlags.CcFlags.doCostCentres = 0;
187 #endif /* PROFILING or PAR */
189 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
190 RtsFlags.ProfFlags.profileInterval = 100;
193 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
194 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
195 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
196 RtsFlags.ProfFlags.ccsLength = 25;
197 RtsFlags.ProfFlags.modSelector = NULL;
198 RtsFlags.ProfFlags.descrSelector = NULL;
199 RtsFlags.ProfFlags.typeSelector = NULL;
200 RtsFlags.ProfFlags.ccSelector = NULL;
201 RtsFlags.ProfFlags.ccsSelector = NULL;
202 RtsFlags.ProfFlags.retainerSelector = NULL;
203 RtsFlags.ProfFlags.bioSelector = NULL;
206 RtsFlags.MiscFlags.tickInterval = 20; /* In milliseconds */
207 RtsFlags.ConcFlags.ctxtSwitchTime = 20; /* In milliseconds */
209 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
212 RtsFlags.ParFlags.nNodes = 1;
213 RtsFlags.ParFlags.migrate = rtsTrue;
214 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
218 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
219 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
220 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
221 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
222 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
223 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
224 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
226 RtsFlags.ParFlags.outputDisabled = rtsFalse;
228 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
230 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
232 RtsFlags.ParFlags.packBufferSize = 1024;
233 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
234 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
235 RtsFlags.ParFlags.maxThreads = 1024;
236 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
237 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
240 #if defined(PAR) || defined(THREADED_RTS)
241 RtsFlags.ParFlags.maxLocalSparks = 4096;
242 #endif /* PAR || THREADED_RTS */
245 /* ToDo: check defaults for GranSim and GUM */
246 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
247 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
249 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
250 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
251 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
252 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
253 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
254 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
255 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
256 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
258 RtsFlags.GranFlags.packBufferSize = 1024;
259 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
261 RtsFlags.GranFlags.proc = MAX_PROC;
262 RtsFlags.GranFlags.Fishing = rtsFalse;
263 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
264 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
265 RtsFlags.GranFlags.Light = rtsFalse;
267 RtsFlags.GranFlags.Costs.latency = LATENCY;
268 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
269 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
270 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
271 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
272 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
273 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
274 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
276 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
277 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
278 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
279 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
280 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
282 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
283 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
284 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
285 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
286 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
288 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
290 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
291 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
293 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
294 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
295 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
296 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
297 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
298 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
299 RtsFlags.GranFlags.FetchStrategy = 2;
300 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
301 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
302 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
303 RtsFlags.GranFlags.SparkPriority = 0;
304 RtsFlags.GranFlags.SparkPriority2 = 0;
305 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
306 RtsFlags.GranFlags.InversePriorities = rtsFalse;
307 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
308 RtsFlags.GranFlags.ThunksToPack = 0;
309 RtsFlags.GranFlags.RandomSteal = rtsTrue;
313 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
314 RtsFlags.TickyFlags.tickyFile = NULL;
317 RtsFlags.TraceFlags.timestamp = rtsFalse;
318 RtsFlags.TraceFlags.sched = rtsFalse;
321 /* By default no special measurements taken */
322 RtsFlags.PapiFlags.eventType = 0;
329 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
331 " +RTS Indicates run time system options follow",
332 " -RTS Indicates program arguments follow",
333 " --RTS Indicates that ALL subsequent arguments will be given to the",
334 " program (including any of these RTS flags)",
336 "The following run time system options are available:",
338 " -? Prints this message and exits; the program is not executed",
340 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
341 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
343 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
344 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
345 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
346 " -m<n> Minimum % of heap which must be available (default 3%)",
347 " -G<n> Number of generations (default: 2)",
348 " -T<n> Number of steps in younger generations (default: 2)",
349 " -c<n> Auto-enable compaction of the oldest generation when live data is",
350 " at least <n>% of the maximum heap size set with -M (default: 30%)",
351 " -c Enable compaction for all major collections",
352 #if defined(THREADED_RTS)
353 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
356 " -t<file> One-line GC statistics (default file: <program>.stat)",
357 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
358 " -S<file> Detailed GC statistics",
359 #ifdef RTS_GTK_FRONTPANEL
360 " -f Display front panel (requires X11 & GTK+)",
364 " -Z Don't squeeze out update frames on stack overflow",
365 " -B Sound the bell at the start of each garbage collection",
366 #if defined(PROFILING) || defined(PAR)
368 " -px Time/allocation profile (XML) (output file <program>.prof)",
369 " -p Time/allocation profile (output file <program>.prof)",
370 " -P More detailed Time/Allocation profile",
371 " -Pa Give information about *all* cost centres",
373 # if defined(PROFILING)
375 " -hx Heap residency profile (XML) (output file <program>.prof)",
376 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
377 " break-down: c = cost centre stack (default)",
379 " d = closure description",
380 " y = type description",
382 " b = biography (LAG,DRAG,VOID,USE)",
383 " A subset of closures may be selected thusly:",
384 " -hc<cc>,... specific cost centre(s) (top of stack only)",
385 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
386 " -hm<mod>... all cost centres from the specified modules(s)",
387 " -hd<des>,... closures with specified closure descriptions",
388 " -hy<typ>... closures with specified type descriptions",
389 " -hr<cc>... closures with specified retainers",
390 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
392 " -R<size> Set the maximum retainer set size (default: 8)",
394 " -L<chars> Maximum length of a cost-centre stack in a heap profile",
397 " -xt Include threads (TSOs) in a heap profile",
399 " -xc Show current cost centre stack on raising an exception",
402 #endif /* PROFILING or PAR */
403 #if !defined(PROFILING)
405 " -hT Heap residency profile (output file <program>.hp)",
407 " -i<sec> Time between heap samples (seconds, default: 0.1)",
409 #if defined(TICKY_TICKY)
410 " -r<file> Produce ticky-ticky statistics (with -rstderr for stderr)",
414 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
415 /* NB: the -N<n> is implemented by the driver!! */
417 " -C<secs> Context-switch interval in seconds.",
418 " 0 or no argument means switch as often as possible.",
419 " Default: 0.02 sec; resolution is set by -V below.",
420 " -V<secs> Master tick interval in seconds (0 == disable timer).",
421 " This sets the resolution for -C and the profile timer -i.",
422 " Default: 0.02 sec.",
424 " -vs Trace scheduler events (see also -Ds with -debug)",
425 " -vt Time-stamp trace messages",
428 " -Ds DEBUG: scheduler",
429 " -Di DEBUG: interpreter",
431 " -DG DEBUG: gccafs",
434 " -DS DEBUG: sanity",
435 " -Dt DEBUG: stable",
439 " -Dl DEBUG: linker",
441 " -Dz DEBUG: stack squezing",
442 " -Dc DEBUG: program coverage",
445 #if defined(THREADED_RTS) && !defined(NOSMP)
446 " -N<n> Use <n> OS threads (default: 1)",
447 " -qm Don't automatically migrate threads between CPUs",
448 " -qw Migrate a thread to the current CPU when it is woken up",
450 " --install-signal-handlers=<yes|no>",
451 " Install signal handlers (default: yes)",
452 #if defined(THREADED_RTS) || defined(PAR)
453 " -e<size> Size of spark pools (default 100)",
456 " -t<num> Set maximum number of advisory threads per PE (default 32)",
457 " -qP Enable activity profile (output files in ~/<program>*.gr)",
458 " -qQ<size> Set pack-buffer size (default: 1024)",
459 " -qd Turn on PVM-ish debugging",
460 " -qO Disable output for performance measurement",
462 #if defined(THREADED_RTS) || defined(PAR)
463 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
466 " -d Turn on PVM-ish debugging",
467 " -O Disable output for performance measurement",
469 #if defined(GRAN) /* ToDo: fill in decent Docu here */
470 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
472 #if defined(USE_PAPI)
473 " -aX CPU performance counter measurements using PAPI",
474 " (use with the -s<file> option). X is one of:",
477 " 1 - level 1 cache misses",
478 " 2 - level 2 cache misses",
479 " b - branch mispredictions",
480 " s - stalled cycles",
481 " e - cache miss and branch misprediction events",
484 "RTS options may also be specified using the GHCRTS environment variable.",
486 "Other RTS options may be available for programs compiled a different way.",
487 "The GHC User's Guide has full details.",
492 STATIC_INLINE rtsBool
493 strequal(const char *a, const char * b)
495 return(strcmp(a, b) == 0);
499 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
505 while (isspace(*c1)) { c1++; };
507 while (!isspace(*c2) && *c2 != '\0') { c2++; };
509 if (c1 == c2) { break; }
511 if (*rts_argc < MAX_RTS_ARGS-1) {
512 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
513 strncpy(s, c1, c2-c1);
515 rts_argv[(*rts_argc)++] = s;
517 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
521 } while (*c1 != '\0');
525 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
527 rtsBool error = rtsFalse;
538 // process arguments from the ghc_rts_opts global variable first.
539 // (arguments from the GHCRTS environment variable and the command
540 // line override these).
542 if (ghc_rts_opts != NULL) {
543 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
547 // process arguments from the GHCRTS environment variable next
548 // (arguments from the command line override these).
550 char *ghc_rts = getenv("GHCRTS");
552 if (ghc_rts != NULL) {
553 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
557 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
558 // argv[0] must be PGM argument -- leave in argv
560 for (mode = PGM; arg < total_arg; arg++) {
561 // The '--RTS' argument disables all future +RTS ... -RTS processing.
562 if (strequal("--RTS", argv[arg])) {
566 // The '--' argument is passed through to the program, but
567 // disables all further +RTS ... -RTS processing.
568 else if (strequal("--", argv[arg])) {
571 else if (strequal("+RTS", argv[arg])) {
574 else if (strequal("-RTS", argv[arg])) {
577 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
578 rts_argv[(*rts_argc)++] = argv[arg];
580 else if (mode == PGM) {
581 argv[(*argc)++] = argv[arg];
584 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
587 // process remaining program arguments
588 for (; arg < total_arg; arg++) {
589 argv[(*argc)++] = argv[arg];
591 argv[*argc] = (char *) 0;
592 rts_argv[*rts_argc] = (char *) 0;
594 // Process RTS (rts_argv) part: mainly to determine statsfile
595 for (arg = 0; arg < *rts_argc; arg++) {
596 if (rts_argv[arg][0] != '-') {
598 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
602 switch(rts_argv[arg][1]) {
604 /* process: general args, then PROFILING-only ones,
605 then CONCURRENT-only, PARallel-only, GRAN-only,
606 TICKY-only (same order as defined in RtsFlags.lh);
607 within those groups, mostly in case-insensitive
609 Final group is x*, which allows for more options.
613 # define TICKY_BUILD_ONLY(x) x
615 # define TICKY_BUILD_ONLY(x) \
616 errorBelch("not built for: ticky-ticky stats"); \
620 #if defined(PROFILING)
621 # define COST_CENTRE_USING_BUILD_ONLY(x) x
623 # define COST_CENTRE_USING_BUILD_ONLY(x) \
624 errorBelch("not built for: -prof or -parallel"); \
629 # define PROFILING_BUILD_ONLY(x) x
631 # define PROFILING_BUILD_ONLY(x) \
632 errorBelch("not built for: -prof"); \
637 # define PAR_BUILD_ONLY(x) x
639 # define PAR_BUILD_ONLY(x) \
640 errorBelch("not built for: -parallel"); \
645 # define THREADED_BUILD_ONLY(x) x
647 # define THREADED_BUILD_ONLY(x) \
648 errorBelch("not built for: -smp"); \
652 #if defined(THREADED_RTS) || defined(PAR)
653 # define PAR_OR_THREADED_BUILD_ONLY(x) x
655 # define PAR_OR_THREADED_BUILD_ONLY(x) \
656 errorBelch("not built for: -parallel or -smp"); \
661 # define GRAN_BUILD_ONLY(x) x
663 # define GRAN_BUILD_ONLY(x) \
664 errorBelch("not built for: -gransim"); \
668 /* =========== GENERAL ========================== */
673 /* This isn't going to allow us to keep related options
674 together as we add more --* flags. We really need a
675 proper options parser. */
677 if (strequal("install-signal-handlers=yes",
678 &rts_argv[arg][2])) {
679 RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
681 else if (strequal("install-signal-handlers=no",
682 &rts_argv[arg][2])) {
683 RtsFlags.MiscFlags.install_signal_handlers = rtsFalse;
685 else if (strequal("info",
686 &rts_argv[arg][2])) {
687 printf("RTS info:\n");
688 printf("RTS from GHC " ProjectVersion "\n");
689 printf("RTS way " RtsWay "\n");
690 printf("Host platform " HostPlatform "\n");
691 printf("Build platform " BuildPlatform "\n");
692 printf("Target platform " TargetPlatform "\n");
696 errorBelch("unknown RTS option: %s",rts_argv[arg]);
701 RtsFlags.GcFlags.minAllocAreaSize
702 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
703 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
704 bad_option(rts_argv[arg]);
710 switch(rts_argv[arg][2]) {
712 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L1;
715 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L2;
718 RtsFlags.PapiFlags.eventType = PAPI_FLAG_BRANCH;
721 RtsFlags.PapiFlags.eventType = PAPI_FLAG_STALLS;
724 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
727 bad_option( rts_argv[arg] );
733 RtsFlags.GcFlags.ringBell = rtsTrue;
737 if (rts_argv[arg][2] != '\0') {
738 RtsFlags.GcFlags.compactThreshold =
739 atof(rts_argv[arg]+2);
741 RtsFlags.GcFlags.compact = rtsTrue;
746 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
748 if (RtsFlags.GcFlags.oldGenFactor < 0)
749 bad_option( rts_argv[arg] );
757 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
760 RtsFlags.DebugFlags.scheduler = rtsTrue;
763 RtsFlags.DebugFlags.interpreter = rtsTrue;
766 RtsFlags.DebugFlags.weak = rtsTrue;
769 RtsFlags.DebugFlags.gccafs = rtsTrue;
772 RtsFlags.DebugFlags.gc = rtsTrue;
775 RtsFlags.DebugFlags.block_alloc = rtsTrue;
778 RtsFlags.DebugFlags.sanity = rtsTrue;
781 RtsFlags.DebugFlags.stable = rtsTrue;
784 RtsFlags.DebugFlags.prof = rtsTrue;
787 RtsFlags.DebugFlags.gran = rtsTrue;
790 RtsFlags.DebugFlags.par = rtsTrue;
793 RtsFlags.DebugFlags.linker = rtsTrue;
796 RtsFlags.DebugFlags.apply = rtsTrue;
799 RtsFlags.DebugFlags.stm = rtsTrue;
802 RtsFlags.DebugFlags.squeeze = rtsTrue;
805 RtsFlags.DebugFlags.hpc = rtsTrue;
808 bad_option( rts_argv[arg] );
816 RtsFlags.GcFlags.maxStkSize =
817 decode(rts_argv[arg]+2) / sizeof(W_);
819 if (RtsFlags.GcFlags.maxStkSize == 0)
820 bad_option( rts_argv[arg] );
824 RtsFlags.GcFlags.initialStkSize =
825 decode(rts_argv[arg]+2) / sizeof(W_);
827 if (RtsFlags.GcFlags.initialStkSize == 0)
828 bad_option( rts_argv[arg] );
832 RtsFlags.GcFlags.maxHeapSize =
833 decode(rts_argv[arg]+2) / BLOCK_SIZE;
834 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
836 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
837 bad_option(rts_argv[arg]);
842 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
844 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
845 RtsFlags.GcFlags.pcFreeHeap > 100)
846 bad_option( rts_argv[arg] );
850 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
851 if (RtsFlags.GcFlags.generations < 1) {
852 bad_option(rts_argv[arg]);
857 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
858 if (RtsFlags.GcFlags.steps < 1) {
859 bad_option(rts_argv[arg]);
864 RtsFlags.GcFlags.heapSizeSuggestion =
865 decode(rts_argv[arg]+2) / BLOCK_SIZE;
867 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
868 bad_option(rts_argv[arg]);
872 #ifdef RTS_GTK_FRONTPANEL
874 RtsFlags.GcFlags.frontpanel = rtsTrue;
878 case 'I': /* idle GC delay */
879 if (rts_argv[arg][2] == '\0') {
884 /* Convert to millisecs */
885 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
886 RtsFlags.GcFlags.idleGCDelayTime = cst;
891 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
895 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
899 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
904 /* Opening all those files would almost certainly fail... */
905 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
906 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
910 r = open_stats_file(arg, *argc, argv,
911 *rts_argc, rts_argv, STAT_FILENAME_FMT,
912 &RtsFlags.GcFlags.statsFile);
913 if (r == -1) { error = rtsTrue; }
919 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
922 /* =========== PROFILING ========================== */
924 case 'P': /* detailed cost centre profiling (time/alloc) */
925 case 'p': /* cost centre profiling (time/alloc) */
926 COST_CENTRE_USING_BUILD_ONLY(
927 switch (rts_argv[arg][2]) {
929 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
932 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
935 if (rts_argv[arg][1] == 'P') {
936 RtsFlags.CcFlags.doCostCentres =
937 COST_CENTRES_VERBOSE;
939 RtsFlags.CcFlags.doCostCentres =
940 COST_CENTRES_SUMMARY;
947 PROFILING_BUILD_ONLY(
948 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
951 PROFILING_BUILD_ONLY(
952 RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2);
953 if(RtsFlags.ProfFlags.ccsLength <= 0) {
954 bad_option(rts_argv[arg]);
957 case 'h': /* serial heap profile */
958 #if !defined(PROFILING)
959 switch (rts_argv[arg][2]) {
962 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
965 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
969 PROFILING_BUILD_ONLY(
970 switch (rts_argv[arg][2]) {
984 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
986 char *left = strchr(rts_argv[arg], '{');
987 char *right = strrchr(rts_argv[arg], '}');
989 // curly braces are optional, for
994 left = rts_argv[arg] + 3;
997 right = rts_argv[arg] + strlen(rts_argv[arg]);
1001 switch (rts_argv[arg][2]) {
1002 case 'c': // cost centre label select
1003 RtsFlags.ProfFlags.ccSelector = left;
1006 RtsFlags.ProfFlags.ccsSelector = left;
1009 case 'm': // cost centre module select
1010 RtsFlags.ProfFlags.modSelector = left;
1013 case 'd': // closure descr select
1014 RtsFlags.ProfFlags.descrSelector = left;
1017 case 'y': // closure type select
1018 RtsFlags.ProfFlags.typeSelector = left;
1021 case 'r': // retainer select
1022 RtsFlags.ProfFlags.retainerSelector = left;
1025 case 'b': // biography select
1026 RtsFlags.ProfFlags.bioSelector = left;
1033 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
1034 errorBelch("multiple heap profile options");
1039 switch (rts_argv[arg][2]) {
1043 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1047 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1051 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1055 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1059 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1063 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1069 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1073 #endif /* PROFILING */
1076 case 'i': /* heap sample interval */
1077 if (rts_argv[arg][2] == '\0') {
1082 /* Convert to milliseconds */
1083 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1084 RtsFlags.ProfFlags.profileInterval = cst;
1088 /* =========== CONCURRENT ========================= */
1089 case 'C': /* context switch interval */
1090 if (rts_argv[arg][2] == '\0')
1091 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1095 /* Convert to milliseconds */
1096 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1097 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1101 case 'V': /* master tick interval */
1102 if (rts_argv[arg][2] == '\0') {
1103 // turns off ticks completely
1104 RtsFlags.MiscFlags.tickInterval = 0;
1108 /* Convert to milliseconds */
1109 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1110 RtsFlags.MiscFlags.tickInterval = cst;
1114 #if defined(THREADED_RTS) && !defined(NOSMP)
1116 THREADED_BUILD_ONLY(
1117 if (rts_argv[arg][2] != '\0') {
1118 RtsFlags.ParFlags.nNodes
1119 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1120 if (RtsFlags.ParFlags.nNodes <= 0) {
1121 errorBelch("bad value for -N");
1128 switch (rts_argv[arg][2]) {
1130 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1134 RtsFlags.ParFlags.migrate = rtsFalse;
1137 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1140 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1146 /* =========== PARALLEL =========================== */
1148 PAR_OR_THREADED_BUILD_ONLY(
1149 if (rts_argv[arg][2] != '\0') {
1150 RtsFlags.ParFlags.maxLocalSparks
1151 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1152 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1153 errorBelch("bad value for -e");
1162 process_par_option(arg, rts_argc, rts_argv, &error);
1166 /* =========== GRAN =============================== */
1170 process_gran_option(arg, rts_argc, rts_argv, &error);
1173 /* =========== TICKY ============================== */
1175 case 'r': /* Basic profiling stats */
1178 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1182 r = open_stats_file(arg, *argc, argv,
1183 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1184 &RtsFlags.TickyFlags.tickyFile);
1185 if (r == -1) { error = rtsTrue; }
1189 /* =========== TRACING ---------=================== */
1192 switch(rts_argv[arg][2]) {
1194 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1198 RtsFlags.TraceFlags.timestamp = rtsTrue;
1201 RtsFlags.TraceFlags.sched = rtsTrue;
1204 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1210 /* =========== EXTENDED OPTIONS =================== */
1212 case 'x': /* Extend the argument space */
1213 switch(rts_argv[arg][2]) {
1215 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1219 case 'b': /* heapBase in hex; undocumented */
1220 if (rts_argv[arg][3] != '\0') {
1221 RtsFlags.GcFlags.heapBase
1222 = strtol(rts_argv[arg]+3, (char **) NULL, 16);
1224 errorBelch("-xb: requires argument");
1229 case 'c': /* Debugging tool: show current cost centre on an exception */
1230 PROFILING_BUILD_ONLY(
1231 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1235 case 't': /* Include memory used by TSOs in a heap profile */
1236 PROFILING_BUILD_ONLY(
1237 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1241 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1244 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1248 break; /* defensive programming */
1250 /* =========== OH DEAR ============================ */
1252 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1259 if (RtsFlags.MiscFlags.tickInterval < 0) {
1260 RtsFlags.MiscFlags.tickInterval = 50;
1263 // If the master timer is disabled, turn off the other timers.
1264 if (RtsFlags.MiscFlags.tickInterval == 0) {
1265 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1266 RtsFlags.GcFlags.idleGCDelayTime = 0;
1267 RtsFlags.ProfFlags.profileInterval = 0;
1270 // Determine what tick interval we should use for the RTS timer
1271 // by taking the shortest of the various intervals that we need to
1273 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1274 RtsFlags.MiscFlags.tickInterval =
1275 stg_min(RtsFlags.ConcFlags.ctxtSwitchTime,
1276 RtsFlags.MiscFlags.tickInterval);
1279 if (RtsFlags.GcFlags.idleGCDelayTime > 0) {
1280 RtsFlags.MiscFlags.tickInterval =
1281 stg_min(RtsFlags.GcFlags.idleGCDelayTime,
1282 RtsFlags.MiscFlags.tickInterval);
1285 if (RtsFlags.ProfFlags.profileInterval > 0) {
1286 RtsFlags.MiscFlags.tickInterval =
1287 stg_min(RtsFlags.ProfFlags.profileInterval,
1288 RtsFlags.MiscFlags.tickInterval);
1291 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1292 RtsFlags.ConcFlags.ctxtSwitchTicks =
1293 RtsFlags.ConcFlags.ctxtSwitchTime /
1294 RtsFlags.MiscFlags.tickInterval;
1296 RtsFlags.ConcFlags.ctxtSwitchTicks = 0;
1299 if (RtsFlags.ProfFlags.profileInterval > 0) {
1300 RtsFlags.ProfFlags.profileIntervalTicks =
1301 RtsFlags.ProfFlags.profileInterval /
1302 RtsFlags.MiscFlags.tickInterval;
1304 RtsFlags.ProfFlags.profileIntervalTicks = 0;
1311 for (p = usage_text; *p; p++)
1312 errorBelch("%s", *p);
1313 stg_exit(EXIT_FAILURE);
1320 enable_GranSimLight(void) {
1322 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1323 RtsFlags.GranFlags.Light=rtsTrue;
1324 RtsFlags.GranFlags.Costs.latency =
1325 RtsFlags.GranFlags.Costs.fetchtime =
1326 RtsFlags.GranFlags.Costs.additional_latency =
1327 RtsFlags.GranFlags.Costs.gunblocktime =
1328 RtsFlags.GranFlags.Costs.lunblocktime =
1329 RtsFlags.GranFlags.Costs.threadcreatetime =
1330 RtsFlags.GranFlags.Costs.threadqueuetime =
1331 RtsFlags.GranFlags.Costs.threadscheduletime =
1332 RtsFlags.GranFlags.Costs.threaddescheduletime =
1333 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1335 RtsFlags.GranFlags.Costs.mpacktime =
1336 RtsFlags.GranFlags.Costs.munpacktime = 0;
1338 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1339 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1340 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1341 /* FetchStrategy is irrelevant in GrAnSim-Light */
1343 /* GrAnSim Light often creates an abundance of parallel threads,
1344 each with its own stack etc. Therefore, it's in general a good
1345 idea to use small stack chunks (use the -o<size> option to
1348 // RtsFlags.ConcFlags.stkChunkSize = 100;
1350 RtsFlags.GranFlags.proc = 1;
1354 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1356 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1359 /* or a ridiculously idealised simulator */
1360 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1361 RtsFlags.GranFlags.Costs.latency =
1362 RtsFlags.GranFlags.Costs.fetchtime =
1363 RtsFlags.GranFlags.Costs.additional_latency =
1364 RtsFlags.GranFlags.Costs.gunblocktime =
1365 RtsFlags.GranFlags.Costs.lunblocktime =
1366 RtsFlags.GranFlags.Costs.threadcreatetime =
1367 RtsFlags.GranFlags.Costs.threadqueuetime =
1368 RtsFlags.GranFlags.Costs.threadscheduletime =
1369 RtsFlags.GranFlags.Costs.threaddescheduletime =
1370 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1372 RtsFlags.GranFlags.Costs.mpacktime =
1373 RtsFlags.GranFlags.Costs.munpacktime = 0;
1375 RtsFlags.GranFlags.Costs.arith_cost =
1376 RtsFlags.GranFlags.Costs.float_cost =
1377 RtsFlags.GranFlags.Costs.load_cost =
1378 RtsFlags.GranFlags.Costs.store_cost =
1379 RtsFlags.GranFlags.Costs.branch_cost = 0;
1381 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1383 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1384 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1385 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1386 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1390 /* or a somewhat idealised simulator */
1391 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1392 RtsFlags.GranFlags.Costs.latency =
1393 RtsFlags.GranFlags.Costs.fetchtime =
1394 RtsFlags.GranFlags.Costs.additional_latency =
1395 RtsFlags.GranFlags.Costs.gunblocktime =
1396 RtsFlags.GranFlags.Costs.lunblocktime =
1397 RtsFlags.GranFlags.Costs.threadcreatetime =
1398 RtsFlags.GranFlags.Costs.threadqueuetime =
1399 RtsFlags.GranFlags.Costs.threadscheduletime =
1400 RtsFlags.GranFlags.Costs.threaddescheduletime =
1401 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1403 RtsFlags.GranFlags.Costs.mpacktime =
1404 RtsFlags.GranFlags.Costs.munpacktime = 0;
1406 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1408 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1409 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1410 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1411 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1412 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1413 # if defined(GRAN_CHECK) && defined(GRAN)
1414 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1419 /* Communication and task creation cost parameters */
1420 switch(rts_argv[arg][2]) {
1422 IgnoreYields = rtsTrue; // HWL HACK
1426 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1430 if (rts_argv[arg][3] != '\0')
1432 RtsFlags.GranFlags.Costs.gunblocktime =
1433 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1434 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1437 RtsFlags.GranFlags.Costs.latency = LATENCY;
1441 if (rts_argv[arg][3] != '\0')
1442 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1444 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1448 if (rts_argv[arg][3] != '\0')
1449 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1451 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1455 if (rts_argv[arg][3] != '\0')
1456 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1458 RtsFlags.GranFlags.Costs.mtidytime = 0;
1462 if (rts_argv[arg][3] != '\0')
1463 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1465 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1469 if (rts_argv[arg][3] != '\0')
1470 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1472 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1476 if (rts_argv[arg][3] != '\0')
1477 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1479 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1483 if (rts_argv[arg][3] != '\0')
1484 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1486 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1489 /* Thread-related metrics */
1491 if (rts_argv[arg][3] != '\0')
1492 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1494 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1498 if (rts_argv[arg][3] != '\0')
1499 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1501 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1505 if (rts_argv[arg][3] != '\0')
1506 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1508 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1510 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1511 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1515 if (rts_argv[arg][3] != '\0')
1516 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1518 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1520 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1521 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1524 /* Instruction Cost Metrics */
1526 if (rts_argv[arg][3] != '\0')
1527 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1529 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1533 if (rts_argv[arg][3] != '\0')
1534 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1536 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1540 if (rts_argv[arg][3] != '\0')
1541 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1543 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1547 if (rts_argv[arg][3] != '\0')
1548 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1550 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1554 if (rts_argv[arg][3] != '\0')
1555 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1557 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1561 if (rts_argv[arg][3] != '\0')
1562 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1564 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1568 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1569 if (rts_argv[arg][3] != '\0')
1570 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1572 RtsFlags.GranFlags.FetchStrategy = 2;
1573 if (RtsFlags.GranFlags.FetchStrategy == 0)
1574 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1577 case 'K': /* sort overhead (per elem in spark list) */
1578 if (rts_argv[arg][3] != '\0')
1579 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1581 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1582 debugBelch("Overhead for pri spark: %d (per elem).\n",
1583 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1586 case 'O': /* sort overhead (per elem in spark list) */
1587 if (rts_argv[arg][3] != '\0')
1588 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1590 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1591 debugBelch("Overhead for pri sched: %d (per elem).\n",
1592 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1595 /* General Parameters */
1597 if (rts_argv[arg][3] != '\0')
1599 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1600 if (RtsFlags.GranFlags.proc==0) {
1601 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1602 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1603 RtsFlags.GranFlags.proc < 1)
1605 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1611 RtsFlags.GranFlags.proc = MAX_PROC;
1615 RtsFlags.GranFlags.Fishing = rtsTrue;
1616 if (rts_argv[arg][3] != '\0')
1617 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1619 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1623 if (rts_argv[arg][3] != '\0')
1624 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1626 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1630 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1631 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1635 debugBelch("Bulk fetching enabled.\n");
1636 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1640 debugBelch("Thread migration enabled.\n");
1641 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1645 debugBelch("Fair Scheduling enabled.\n");
1646 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1650 debugBelch("Priority Scheduling enabled.\n");
1651 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1655 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1656 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1660 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1664 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1668 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1672 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1676 /* format is -bP<c> where <c> is one char describing kind of profile */
1677 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1678 switch(rts_argv[arg][3]) {
1679 case '\0': break; // nothing special, just an ordinary profile
1680 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1682 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1684 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1686 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1688 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1690 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1692 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1697 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1701 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1704 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1705 if (rts_argv[arg][3] != '\0') {
1708 arg0 = rts_argv[arg]+3;
1709 if ((tmp = strstr(arg0,","))==NULL) {
1710 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1711 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1714 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1715 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1716 debugBelch("SparkPriority: %u.\n",
1717 RtsFlags.GranFlags.SparkPriority);
1718 debugBelch("SparkPriority2:%u.\n",
1719 RtsFlags.GranFlags.SparkPriority2);
1720 if (RtsFlags.GranFlags.SparkPriority2 <
1721 RtsFlags.GranFlags.SparkPriority) {
1722 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1723 RtsFlags.GranFlags.SparkPriority2,
1724 RtsFlags.GranFlags.SparkPriority);
1728 /* plain pri spark is now invoked with -bX
1729 RtsFlags.GranFlags.DoPrioritySparking = 1;
1730 debugBelch("PrioritySparking.\n");
1736 if (rts_argv[arg][3] != '\0') {
1737 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1739 RtsFlags.GranFlags.ThunksToPack = 1;
1741 debugBelch("Thunks To Pack in one packet: %u.\n",
1742 RtsFlags.GranFlags.ThunksToPack);
1746 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1747 debugBelch("Deterministic mode (no random stealing)\n");
1750 /* The following class of options contains eXperimental */
1751 /* features in connection with exploiting granularity */
1752 /* information. I.e. if -bY is chosen these options */
1753 /* tell the RTS what to do with the supplied info --HWL */
1756 if (rts_argv[arg][3] != '\0') {
1757 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1759 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1761 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1762 RtsFlags.GranFlags.packBufferSize_internal);
1766 switch(rts_argv[arg][3]) {
1769 RtsFlags.GranFlags.DoPrioritySparking = 1;
1770 debugBelch("Priority Sparking with Normal Priorities.\n");
1771 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1772 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1773 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1777 RtsFlags.GranFlags.DoPrioritySparking = 1;
1778 debugBelch("Priority Sparking with Inverse Priorities.\n");
1779 RtsFlags.GranFlags.InversePriorities++;
1783 RtsFlags.GranFlags.DoPrioritySparking = 1;
1784 debugBelch("Priority Sparking with Random Priorities.\n");
1785 RtsFlags.GranFlags.RandomPriorities++;
1789 RtsFlags.GranFlags.DoPrioritySparking = 1;
1790 debugBelch("Priority Sparking with No Priorities.\n");
1791 RtsFlags.GranFlags.IgnorePriorities++;
1795 bad_option( rts_argv[arg] );
1801 switch(rts_argv[arg][3]) {
1804 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1805 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1809 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1813 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1817 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1821 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1822 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1826 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1830 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1834 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1838 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1842 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1846 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1850 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1854 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1855 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1859 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1863 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1867 bad_option( rts_argv[arg] );
1872 # if defined(GRAN_CHECK) && defined(GRAN)
1874 switch(rts_argv[arg][3]) {
1875 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1876 if (rts_argv[arg][4] != '\0') {
1877 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1878 debugBelch("Pack buffer size: %d\n",
1879 RtsFlags.GranFlags.packBufferSize);
1881 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1887 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1888 /* hack warning: interpret the flags as a binary number */
1889 nat n = decode(rts_argv[arg]+3);
1890 set_GranSim_debug_options(n);
1893 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1894 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1897 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1898 debugBelch("Valid GranSim debug options are:\n");
1899 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1900 bad_option( rts_argv[arg] );
1901 } else { // flag found; now set it
1902 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1908 case 'e': /* event trace; also -bD1 */
1909 debugBelch("DEBUG: event_trace; printing event trace.\n");
1910 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1911 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1914 case 'E': /* event statistics; also -bD2 */
1915 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1916 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1917 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1920 case 'f': /* thunkStealing; also -bD4 */
1921 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1922 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1923 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1926 case 'z': /* blockOnFetch; also -bD8 */
1927 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1928 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1929 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1932 case 't': /* blockOnFetch_sanity; also -bD16 */
1933 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1934 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1935 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1938 case 'S': /* priSpark; also -bD32 */
1939 debugBelch("DEBUG: priSpark; priority sparking.\n");
1940 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1943 case 's': /* priSched; also -bD64 */
1944 debugBelch("DEBUG: priSched; priority scheduling.\n");
1945 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1948 case 'F': /* findWork; also -bD128 */
1949 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1950 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1953 case 'g': /* globalBlock; also -bD256 */
1954 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1955 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1958 case 'G': /* pack; also -bD512 */
1959 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1960 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1963 case 'P': /* packBuffer; also -bD1024 */
1964 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1965 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1968 case 'o': /* sortedQ; also -bD2048 */
1969 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1970 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1973 case 'r': /* randomSteal; also -bD4096 */
1974 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1975 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1978 case 'q': /* checkSparkQ; also -bD8192 */
1979 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1980 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1983 case ':': /* checkLight; also -bD16384 */
1984 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1985 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1988 case 'b': /* bq; also -bD32768 */
1989 debugBelch("DEBUG: bq; check blocking queues\n");
1990 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1993 case 'd': /* all options turned on */
1994 debugBelch("DEBUG: all options turned on.\n");
1995 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1996 /* RtsFlags.GranFlags.Debug |= 0x40; */
2000 /* RtsFlags.GranFlags.Debug = 1; */
2006 # endif /* GRAN_CHECK */
2008 bad_option( rts_argv[arg] );
2014 Interpret n as a binary number masking GranSim debug options and set the
2015 correxponding option. See gran_debug_opts_strs for explanations of the flags.
2018 set_GranSim_debug_options(nat n) {
2021 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2023 errorBelch(gran_debug_opts_strs[i]);
2025 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
2026 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
2027 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
2028 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
2029 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
2030 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
2031 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
2032 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
2033 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
2034 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
2035 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
2036 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
2037 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
2038 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
2039 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
2040 default: barf("set_GranSim_debug_options: only %d debug options expected");
2046 Print one line explanation for each of the GranSim debug options specified
2050 help_GranSim_debug_options(nat n) {
2053 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2055 debugBelch(gran_debug_opts_strs[i]);
2061 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
2064 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
2065 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
2069 /* Communication and task creation cost parameters */
2070 switch(rts_argv[arg][2]) {
2071 case 'e': /* -qe<n> ... allow <n> local sparks */
2072 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
2073 RtsFlags.ParFlags.maxLocalSparks
2074 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2076 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
2077 errorBelch("setupRtsFlags: bad value for -e\n");
2081 IF_PAR_DEBUG(verbose,
2082 errorBelch("-qe<n>: max %d local sparks",
2083 RtsFlags.ParFlags.maxLocalSparks));
2087 if (rts_argv[arg][3] != '\0') {
2088 RtsFlags.ParFlags.maxThreads
2089 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2091 errorBelch("missing size for -qt\n");
2094 IF_PAR_DEBUG(verbose,
2095 errorBelch("-qt<n>: max %d threads",
2096 RtsFlags.ParFlags.maxThreads));
2100 if (rts_argv[arg][3] != '\0')
2101 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
2103 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
2105 IF_PAR_DEBUG(verbose,
2106 errorBelch("-qf<n>: max %d fishes sent out at one time",
2107 RtsFlags.ParFlags.maxFishes));
2111 if (rts_argv[arg][3] != '\0') {
2112 RtsFlags.ParFlags.fishDelay
2113 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2115 errorBelch("missing fish delay time for -qF\n");
2118 IF_PAR_DEBUG(verbose,
2119 errorBelch("-qF<n>: fish delay time %d us",
2120 RtsFlags.ParFlags.fishDelay));
2124 RtsFlags.ParFlags.outputDisabled = rtsTrue;
2125 IF_PAR_DEBUG(verbose,
2126 errorBelch("-qO: output disabled"));
2129 case 'g': /* -qg<n> ... globalisation scheme */
2130 if (rts_argv[arg][3] != '\0') {
2131 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
2133 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
2136 IF_PAR_DEBUG(verbose,
2137 debugBelch("-qg<n>: globalisation scheme set to %d",
2138 RtsFlags.ParFlags.globalising));
2141 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
2142 if (rts_argv[arg][3] != '\0') {
2143 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
2145 errorBelch("missing number of thunks per packet (for -qh)\n");
2148 IF_PAR_DEBUG(verbose,
2149 debugBelch("-qh<n>: thunks per packet set to %d",
2150 RtsFlags.ParFlags.thunksToPack));
2153 case 'P': /* -qP for writing a log file */
2154 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2155 /* same encoding as in GranSim after -bP */
2156 switch(rts_argv[arg][3]) {
2157 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2158 break; // nothing special, just an ordinary profile
2159 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2160 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2162 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2164 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2166 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2168 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2171 # if defined(PAR_TICKY)
2172 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2174 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2175 stg_exit(EXIT_FAILURE);
2178 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2180 IF_PAR_DEBUG(verbose,
2181 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2182 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2185 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2186 if (rts_argv[arg][3] != '\0') {
2187 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2189 errorBelch("missing size of PackBuffer (for -qQ)\n");
2192 IF_PAR_DEBUG(verbose,
2193 debugBelch("-qQ<n>: pack buffer size set to %d",
2194 RtsFlags.ParFlags.packBufferSize));
2198 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2199 IF_PAR_DEBUG(verbose,
2200 debugBelch("-qR: fair-ish scheduling"));
2205 if (rts_argv[arg][3] != '\0') {
2206 RtsFlags.ParFlags.wait
2207 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2209 RtsFlags.ParFlags.wait = 1000;
2211 IF_PAR_DEBUG(verbose,
2212 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2213 RtsFlags.ParFlags.wait));
2216 case 'D': /* -qD ... all the debugging options */
2217 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2218 /* hack warning: interpret the flags as a binary number */
2219 nat n = decode(rts_argv[arg]+3);
2220 set_par_debug_options(n);
2223 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2224 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2227 if (i==MAX_PAR_DEBUG_OPTION+1) {
2228 errorBelch("Valid GUM debug options are:\n");
2229 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2230 bad_option( rts_argv[arg] );
2231 } else { // flag found; now set it
2232 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2238 errorBelch("Unknown option -q%c (%d opts in total)",
2239 rts_argv[arg][2], *rts_argc);
2245 Interpret n as a binary number masking Par debug options and set the
2246 correxponding option. See par_debug_opts_strs for explanations of the flags.
2249 set_par_debug_options(nat n) {
2252 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2254 debugBelch(par_debug_opts_strs[i]);
2256 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2257 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2258 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2259 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2260 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2261 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2262 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2263 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2264 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2265 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2266 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2267 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2268 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2269 default: barf("set_par_debug_options: only %d debug options expected",
2270 MAX_PAR_DEBUG_OPTION);
2276 Print one line explanation for each of the GranSim debug options specified
2280 help_par_debug_options(nat n) {
2283 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2285 debugBelch(par_debug_opts_strs[i]);
2291 stats_fprintf(FILE *f, char *s, ...)
2303 static int /* return -1 on error */
2306 int argc, char *argv[],
2307 int rts_argc, char *rts_argv[],
2308 const char *FILENAME_FMT,
2313 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2314 f = NULL; /* NULL means use debugBelch */
2316 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2317 f = fopen(rts_argv[arg]+2,"w");
2319 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2320 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2321 f = fopen(stats_filename,"w");
2324 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2331 /* Write argv and rtsv into start of stats file */
2333 for(count = 0; count < argc; count++) {
2334 stats_fprintf(f, "%s ", argv[count]);
2336 stats_fprintf(f, "+RTS ");
2337 for(count = 0; count < rts_argc; count++)
2338 stats_fprintf(f, "%s ", rts_argv[count]);
2339 stats_fprintf(f, "\n");
2347 decode(const char *s)
2358 if (c == 'g' || c == 'G')
2359 m *= 1000*1000*1000; /* UNchecked! */
2360 else if (c == 'm' || c == 'M')
2361 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2362 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2363 m *= 1000; /* a direct-mapped cache. */
2364 else if (c == 'w' || c == 'W')
2371 bad_option(const char *s)
2373 errorBelch("bad RTS option: %s", s);
2374 stg_exit(EXIT_FAILURE);
2377 /* -----------------------------------------------------------------------------
2378 Getting/Setting the program's arguments.
2380 These are used by System.Environment, and parts of the RTS.
2381 -------------------------------------------------------------------------- */
2384 setProgName(char *argv[])
2386 /* Remove directory from argv[0] -- default files in current directory */
2387 #if !defined(mingw32_HOST_OS)
2389 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2390 prog_name = last_slash+1;
2392 prog_name = argv[0];
2395 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2396 while ( last_slash > argv[0] ) {
2397 if ( *last_slash == '/' || *last_slash == '\\' ) {
2398 prog_name = last_slash+1;
2403 prog_name = argv[0];
2408 getProgArgv(int *argc, char **argv[])
2410 if (argc) { *argc = prog_argc; }
2411 if (argv) { *argv = prog_argv; }
2415 setProgArgv(int argc, char *argv[])
2417 /* Usually this is done by startupHaskell, so we don't need to call this.
2418 However, sometimes Hugs wants to change the arguments which Haskell
2419 getArgs >>= ... will be fed. So you can do that by calling here
2420 _after_ calling startupHaskell.
2424 setProgName(prog_argv);
2427 /* These functions record and recall the full arguments, including the
2428 +RTS ... -RTS options. The reason for adding them was so that the
2429 ghc-inplace program can pass /all/ the arguments on to the real ghc. */
2431 getFullProgArgv(int *argc, char **argv[])
2433 if (argc) { *argc = full_prog_argc; }
2434 if (argv) { *argv = full_prog_argv; }
2438 setFullProgArgv(int argc, char *argv[])
2441 full_prog_argc = argc;
2442 full_prog_argv = stgCallocBytes(argc + 1, sizeof (char *),
2443 "setFullProgArgv 1");
2444 for (i = 0; i < argc; i++) {
2445 full_prog_argv[i] = stgMallocBytes(strlen(argv[i]) + 1,
2446 "setFullProgArgv 2");
2447 strcpy(full_prog_argv[i], argv[i]);
2449 full_prog_argv[argc] = NULL;