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 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
32 int rts_argc = 0; /* ditto */
33 char *rts_argv[MAX_RTS_ARGS];
36 * constants, used later
43 static char *gran_debug_opts_strs[] = {
44 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
45 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
46 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
47 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
48 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
49 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
50 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
51 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
52 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
53 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
54 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
55 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
56 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
57 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
58 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
61 /* one character codes for the available debug options */
62 static char gran_debug_opts_flags[] = {
63 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
68 static char *par_debug_opts_strs[] = {
69 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
70 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
71 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
72 "DEBUG (-qDe, -qD8): free; free messages.\n",
73 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
74 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
75 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
76 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
77 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
78 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
79 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
80 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
81 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
82 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
85 /* one character codes for the available debug options */
86 static char par_debug_opts_flags[] = {
87 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
92 /* -----------------------------------------------------------------------------
94 -------------------------------------------------------------------------- */
96 static int /* return NULL on error */
99 int argc, char *argv[],
100 int rts_argc, char *rts_argv[],
101 const char *FILENAME_FMT,
104 static I_ decode(const char *s);
105 static void bad_option(const char *s);
108 static void enable_GranSimLight(void);
109 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
110 static void set_GranSim_debug_options(nat n);
111 static void help_GranSim_debug_options(nat n);
113 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
114 static void set_par_debug_options(nat n);
115 static void help_par_debug_options(nat n);
118 /* -----------------------------------------------------------------------------
119 * Command-line option parsing routines.
120 * ---------------------------------------------------------------------------*/
122 void initRtsFlagsDefaults(void)
124 RtsFlags.GcFlags.statsFile = NULL;
125 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
127 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
128 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
130 RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
131 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
132 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
133 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
134 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
135 RtsFlags.GcFlags.oldGenFactor = 2;
137 /* A hack currently needed for GUM -- HWL */
138 RtsFlags.GcFlags.generations = 1;
139 RtsFlags.GcFlags.steps = 2;
140 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
142 RtsFlags.GcFlags.generations = 2;
143 RtsFlags.GcFlags.steps = 2;
144 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
146 RtsFlags.GcFlags.compact = rtsFalse;
147 RtsFlags.GcFlags.compactThreshold = 30.0;
148 #ifdef RTS_GTK_FRONTPANEL
149 RtsFlags.GcFlags.frontpanel = rtsFalse;
151 RtsFlags.GcFlags.idleGCDelayTime = 300; /* millisecs */
154 RtsFlags.DebugFlags.scheduler = rtsFalse;
155 RtsFlags.DebugFlags.interpreter = rtsFalse;
156 RtsFlags.DebugFlags.weak = rtsFalse;
157 RtsFlags.DebugFlags.gccafs = rtsFalse;
158 RtsFlags.DebugFlags.gc = rtsFalse;
159 RtsFlags.DebugFlags.block_alloc = rtsFalse;
160 RtsFlags.DebugFlags.sanity = rtsFalse;
161 RtsFlags.DebugFlags.stable = rtsFalse;
162 RtsFlags.DebugFlags.stm = rtsFalse;
163 RtsFlags.DebugFlags.prof = rtsFalse;
164 RtsFlags.DebugFlags.gran = rtsFalse;
165 RtsFlags.DebugFlags.par = rtsFalse;
166 RtsFlags.DebugFlags.linker = rtsFalse;
167 RtsFlags.DebugFlags.squeeze = rtsFalse;
170 #if defined(PROFILING) || defined(PAR)
171 RtsFlags.CcFlags.doCostCentres = 0;
172 #endif /* PROFILING or PAR */
175 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
176 RtsFlags.ProfFlags.profileInterval = 100;
177 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
178 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
179 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
180 RtsFlags.ProfFlags.ccsLength = 25;
181 RtsFlags.ProfFlags.modSelector = NULL;
182 RtsFlags.ProfFlags.descrSelector = NULL;
183 RtsFlags.ProfFlags.typeSelector = NULL;
184 RtsFlags.ProfFlags.ccSelector = NULL;
185 RtsFlags.ProfFlags.ccsSelector = NULL;
186 RtsFlags.ProfFlags.retainerSelector = NULL;
187 RtsFlags.ProfFlags.bioSelector = NULL;
190 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
193 RtsFlags.MiscFlags.tickInterval = 50; /* In milliseconds */
194 RtsFlags.ConcFlags.ctxtSwitchTime = 50; /* In milliseconds */
197 RtsFlags.ParFlags.nNodes = 1;
198 RtsFlags.ParFlags.migrate = rtsTrue;
199 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
203 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
204 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
205 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
206 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
207 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
208 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
209 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
211 RtsFlags.ParFlags.outputDisabled = rtsFalse;
213 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
215 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
217 RtsFlags.ParFlags.packBufferSize = 1024;
218 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
219 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
220 RtsFlags.ParFlags.maxThreads = 1024;
221 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
222 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
225 #if defined(PAR) || defined(THREADED_RTS)
226 RtsFlags.ParFlags.maxLocalSparks = 4096;
227 #endif /* PAR || THREADED_RTS */
230 /* ToDo: check defaults for GranSim and GUM */
231 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
232 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
234 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
235 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
236 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
237 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
238 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
239 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
240 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
241 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
243 RtsFlags.GranFlags.packBufferSize = 1024;
244 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
246 RtsFlags.GranFlags.proc = MAX_PROC;
247 RtsFlags.GranFlags.Fishing = rtsFalse;
248 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
249 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
250 RtsFlags.GranFlags.Light = rtsFalse;
252 RtsFlags.GranFlags.Costs.latency = LATENCY;
253 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
254 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
255 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
256 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
257 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
258 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
259 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
261 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
262 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
263 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
264 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
265 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
267 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
268 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
269 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
270 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
271 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
273 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
275 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
276 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
278 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
279 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
280 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
281 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
282 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
283 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
284 RtsFlags.GranFlags.FetchStrategy = 2;
285 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
286 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
287 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
288 RtsFlags.GranFlags.SparkPriority = 0;
289 RtsFlags.GranFlags.SparkPriority2 = 0;
290 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
291 RtsFlags.GranFlags.InversePriorities = rtsFalse;
292 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
293 RtsFlags.GranFlags.ThunksToPack = 0;
294 RtsFlags.GranFlags.RandomSteal = rtsTrue;
298 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
299 RtsFlags.TickyFlags.tickyFile = NULL;
302 RtsFlags.TraceFlags.timestamp = rtsFalse;
303 RtsFlags.TraceFlags.sched = rtsFalse;
306 /* By default no special measurements taken */
307 RtsFlags.PapiFlags.eventType = 0;
314 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
316 " +RTS Indicates run time system options follow",
317 " -RTS Indicates program arguments follow",
318 " --RTS Indicates that ALL subsequent arguments will be given to the",
319 " program (including any of these RTS flags)",
321 "The following run time system options are available:",
323 " -? Prints this message and exits; the program is not executed",
325 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
326 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
328 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
329 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
330 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
331 " -m<n> Minimum % of heap which must be available (default 3%)",
332 " -G<n> Number of generations (default: 2)",
333 " -T<n> Number of steps in younger generations (default: 2)",
334 " -c<n> Auto-enable compaction of the oldest generation when live data is",
335 " at least <n>% of the maximum heap size set with -M (default: 30%)",
336 " -c Enable compaction for all major collections",
337 #if defined(THREADED_RTS)
338 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
341 " -t<file> One-line GC statistics (default file: <program>.stat)",
342 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
343 " -S<file> Detailed GC statistics",
344 #ifdef RTS_GTK_FRONTPANEL
345 " -f Display front panel (requires X11 & GTK+)",
349 " -Z Don't squeeze out update frames on stack overflow",
350 " -B Sound the bell at the start of each garbage collection",
351 #if defined(PROFILING) || defined(PAR)
353 " -px Time/allocation profile (XML) (output file <program>.prof)",
354 " -p Time/allocation profile (output file <program>.prof)",
355 " -P More detailed Time/Allocation profile",
356 " -Pa Give information about *all* cost centres",
358 # if defined(PROFILING)
360 " -hx Heap residency profile (XML) (output file <program>.prof)",
361 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
362 " break-down: c = cost centre stack (default)",
364 " d = closure description",
365 " y = type description",
367 " b = biography (LAG,DRAG,VOID,USE)",
368 " A subset of closures may be selected thusly:",
369 " -hc<cc>,... specific cost centre(s) (top of stack only)",
370 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
371 " -hm<mod>... all cost centres from the specified modules(s)",
372 " -hd<des>,... closures with specified closure descriptions",
373 " -hy<typ>... closures with specified type descriptions",
374 " -hr<cc>... closures with specified retainers",
375 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
377 " -R<size> Set the maximum retainer set size (default: 8)",
379 " -L<chars> Maximum length of a cost-centre stack in a heap profile",
382 " -i<sec> Time between heap samples (seconds, default: 0.1)",
384 " -xt Include threads (TSOs) in a heap profile",
386 " -xc Show current cost centre stack on raising an exception",
388 #endif /* PROFILING or PAR */
389 #if !defined(PROFILING) && defined(DEBUG)
391 " -h<break-down> Debugging Heap residency profile",
392 " (output file <program>.hp)",
393 " break-down: L = closure label (default)",
394 " T = closure type (constructor, thunk etc.)",
397 #if defined(TICKY_TICKY)
398 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
402 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
403 /* NB: the -N<n> is implemented by the driver!! */
405 " -C<secs> Context-switch interval in seconds.",
406 " 0 or no argument means switch as often as possible.",
407 " Default: 0.02 sec; resolution is set by -V below.",
408 " -V<secs> Master tick interval in seconds.",
409 " This sets the resolution for -C and the profile timer -i.",
410 " Default: 0.02 sec.",
412 " -vs Trace scheduler events (see also -Ds with -debug)",
413 " -vt Time-stamp trace messages",
416 " -Ds DEBUG: scheduler",
417 " -Di DEBUG: interpreter",
419 " -DG DEBUG: gccafs",
422 " -DS DEBUG: sanity",
423 " -Dt DEBUG: stable",
427 " -Dl DEBUG: linker",
429 " -Dz DEBUG: stack squezing",
432 #if defined(THREADED_RTS) && !defined(NOSMP)
433 " -N<n> Use <n> OS threads (default: 1)",
434 " -qm Don't automatically migrate threads between CPUs",
435 " -qw Migrate a thread to the current CPU when it is woken up",
437 #if defined(THREADED_RTS) || defined(PAR)
438 " -e<size> Size of spark pools (default 100)",
441 " -t<num> Set maximum number of advisory threads per PE (default 32)",
442 " -qP Enable activity profile (output files in ~/<program>*.gr)",
443 " -qQ<size> Set pack-buffer size (default: 1024)",
444 " -qd Turn on PVM-ish debugging",
445 " -qO Disable output for performance measurement",
447 #if defined(THREADED_RTS) || defined(PAR)
448 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
451 " -d Turn on PVM-ish debugging",
452 " -O Disable output for performance measurement",
454 #if defined(GRAN) /* ToDo: fill in decent Docu here */
455 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
457 #if defined(USE_PAPI)
458 " -aX CPU performance counter measurements using PAPI",
459 " (use with the -s<file> option). X is one of:",
462 " 1 - level 1 cache misses",
463 " 2 - level 2 cache misses",
464 " b - branch mispredictions",
465 " s - stalled cycles",
466 " e - cache miss and branch misprediction events",
469 "RTS options may also be specified using the GHCRTS environment variable.",
471 "Other RTS options may be available for programs compiled a different way.",
472 "The GHC User's Guide has full details.",
477 STATIC_INLINE rtsBool
478 strequal(const char *a, const char * b)
480 return(strcmp(a, b) == 0);
484 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
490 while (isspace(*c1)) { c1++; };
492 while (!isspace(*c2) && *c2 != '\0') { c2++; };
494 if (c1 == c2) { break; }
496 if (*rts_argc < MAX_RTS_ARGS-1) {
497 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
498 strncpy(s, c1, c2-c1);
500 rts_argv[(*rts_argc)++] = s;
502 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
506 } while (*c1 != '\0');
510 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
512 rtsBool error = rtsFalse;
523 // process arguments from the ghc_rts_opts global variable first.
524 // (arguments from the GHCRTS environment variable and the command
525 // line override these).
527 if (ghc_rts_opts != NULL) {
528 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
532 // process arguments from the GHCRTS environment variable next
533 // (arguments from the command line override these).
535 char *ghc_rts = getenv("GHCRTS");
537 if (ghc_rts != NULL) {
538 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
542 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
543 // argv[0] must be PGM argument -- leave in argv
545 for (mode = PGM; arg < total_arg; arg++) {
546 // The '--RTS' argument disables all future +RTS ... -RTS processing.
547 if (strequal("--RTS", argv[arg])) {
551 // The '--' argument is passed through to the program, but
552 // disables all further +RTS ... -RTS processing.
553 else if (strequal("--", argv[arg])) {
556 else if (strequal("+RTS", argv[arg])) {
559 else if (strequal("-RTS", argv[arg])) {
562 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
563 rts_argv[(*rts_argc)++] = argv[arg];
565 else if (mode == PGM) {
566 argv[(*argc)++] = argv[arg];
569 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
572 // process remaining program arguments
573 for (; arg < total_arg; arg++) {
574 argv[(*argc)++] = argv[arg];
576 argv[*argc] = (char *) 0;
577 rts_argv[*rts_argc] = (char *) 0;
579 // Process RTS (rts_argv) part: mainly to determine statsfile
580 for (arg = 0; arg < *rts_argc; arg++) {
581 if (rts_argv[arg][0] != '-') {
583 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
587 switch(rts_argv[arg][1]) {
589 /* process: general args, then PROFILING-only ones,
590 then CONCURRENT-only, PARallel-only, GRAN-only,
591 TICKY-only (same order as defined in RtsFlags.lh);
592 within those groups, mostly in case-insensitive
594 Final group is x*, which allows for more options.
598 # define TICKY_BUILD_ONLY(x) x
600 # define TICKY_BUILD_ONLY(x) \
601 errorBelch("not built for: ticky-ticky stats"); \
605 #if defined(PROFILING)
606 # define COST_CENTRE_USING_BUILD_ONLY(x) x
608 # define COST_CENTRE_USING_BUILD_ONLY(x) \
609 errorBelch("not built for: -prof or -parallel"); \
614 # define PROFILING_BUILD_ONLY(x) x
616 # define PROFILING_BUILD_ONLY(x) \
617 errorBelch("not built for: -prof"); \
622 # define PAR_BUILD_ONLY(x) x
624 # define PAR_BUILD_ONLY(x) \
625 errorBelch("not built for: -parallel"); \
630 # define THREADED_BUILD_ONLY(x) x
632 # define THREADED_BUILD_ONLY(x) \
633 errorBelch("not built for: -smp"); \
637 #if defined(THREADED_RTS) || defined(PAR)
638 # define PAR_OR_THREADED_BUILD_ONLY(x) x
640 # define PAR_OR_THREADED_BUILD_ONLY(x) \
641 errorBelch("not built for: -parallel or -smp"); \
646 # define GRAN_BUILD_ONLY(x) x
648 # define GRAN_BUILD_ONLY(x) \
649 errorBelch("not built for: -gransim"); \
653 /* =========== GENERAL ========================== */
659 RtsFlags.GcFlags.minAllocAreaSize
660 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
661 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
662 bad_option(rts_argv[arg]);
668 switch(rts_argv[arg][2]) {
670 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L1;
673 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L2;
676 RtsFlags.PapiFlags.eventType = PAPI_FLAG_BRANCH;
679 RtsFlags.PapiFlags.eventType = PAPI_FLAG_STALLS;
682 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
685 bad_option( rts_argv[arg] );
691 RtsFlags.GcFlags.ringBell = rtsTrue;
695 if (rts_argv[arg][2] != '\0') {
696 RtsFlags.GcFlags.compactThreshold =
697 atof(rts_argv[arg]+2);
699 RtsFlags.GcFlags.compact = rtsTrue;
704 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
706 if (RtsFlags.GcFlags.oldGenFactor < 0)
707 bad_option( rts_argv[arg] );
715 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
718 RtsFlags.DebugFlags.scheduler = rtsTrue;
721 RtsFlags.DebugFlags.interpreter = rtsTrue;
724 RtsFlags.DebugFlags.weak = rtsTrue;
727 RtsFlags.DebugFlags.gccafs = rtsTrue;
730 RtsFlags.DebugFlags.gc = rtsTrue;
733 RtsFlags.DebugFlags.block_alloc = rtsTrue;
736 RtsFlags.DebugFlags.sanity = rtsTrue;
739 RtsFlags.DebugFlags.stable = rtsTrue;
742 RtsFlags.DebugFlags.prof = rtsTrue;
745 RtsFlags.DebugFlags.gran = rtsTrue;
748 RtsFlags.DebugFlags.par = rtsTrue;
751 RtsFlags.DebugFlags.linker = rtsTrue;
754 RtsFlags.DebugFlags.apply = rtsTrue;
757 RtsFlags.DebugFlags.stm = rtsTrue;
760 RtsFlags.DebugFlags.squeeze = rtsTrue;
763 bad_option( rts_argv[arg] );
771 RtsFlags.GcFlags.maxStkSize =
772 decode(rts_argv[arg]+2) / sizeof(W_);
774 if (RtsFlags.GcFlags.maxStkSize == 0)
775 bad_option( rts_argv[arg] );
779 RtsFlags.GcFlags.initialStkSize =
780 decode(rts_argv[arg]+2) / sizeof(W_);
782 if (RtsFlags.GcFlags.initialStkSize == 0)
783 bad_option( rts_argv[arg] );
787 RtsFlags.GcFlags.maxHeapSize =
788 decode(rts_argv[arg]+2) / BLOCK_SIZE;
789 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
791 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
792 bad_option(rts_argv[arg]);
797 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
799 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
800 RtsFlags.GcFlags.pcFreeHeap > 100)
801 bad_option( rts_argv[arg] );
805 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
806 if (RtsFlags.GcFlags.generations < 1) {
807 bad_option(rts_argv[arg]);
812 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
813 if (RtsFlags.GcFlags.steps < 1) {
814 bad_option(rts_argv[arg]);
819 RtsFlags.GcFlags.heapSizeSuggestion =
820 decode(rts_argv[arg]+2) / BLOCK_SIZE;
822 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
823 bad_option(rts_argv[arg]);
827 #ifdef RTS_GTK_FRONTPANEL
829 RtsFlags.GcFlags.frontpanel = rtsTrue;
833 case 'I': /* idle GC delay */
834 if (rts_argv[arg][2] == '\0') {
839 /* Convert to millisecs */
840 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
841 RtsFlags.GcFlags.idleGCDelayTime = cst;
846 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
850 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
854 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
859 /* Opening all those files would almost certainly fail... */
860 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
861 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
865 r = open_stats_file(arg, *argc, argv,
866 *rts_argc, rts_argv, STAT_FILENAME_FMT,
867 &RtsFlags.GcFlags.statsFile);
868 if (r == -1) { error = rtsTrue; }
874 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
877 /* =========== PROFILING ========================== */
879 case 'P': /* detailed cost centre profiling (time/alloc) */
880 case 'p': /* cost centre profiling (time/alloc) */
881 COST_CENTRE_USING_BUILD_ONLY(
882 switch (rts_argv[arg][2]) {
884 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
887 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
890 if (rts_argv[arg][1] == 'P') {
891 RtsFlags.CcFlags.doCostCentres =
892 COST_CENTRES_VERBOSE;
894 RtsFlags.CcFlags.doCostCentres =
895 COST_CENTRES_SUMMARY;
902 PROFILING_BUILD_ONLY(
903 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
906 PROFILING_BUILD_ONLY(
907 RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2);
908 if(RtsFlags.ProfFlags.ccsLength <= 0) {
909 bad_option(rts_argv[arg]);
912 case 'h': /* serial heap profile */
913 #if !defined(PROFILING) && defined(DEBUG)
914 switch (rts_argv[arg][2]) {
917 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
920 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
923 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
927 PROFILING_BUILD_ONLY(
928 switch (rts_argv[arg][2]) {
942 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
944 char *left = strchr(rts_argv[arg], '{');
945 char *right = strrchr(rts_argv[arg], '}');
947 // curly braces are optional, for
952 left = rts_argv[arg] + 3;
955 right = rts_argv[arg] + strlen(rts_argv[arg]);
959 switch (rts_argv[arg][2]) {
960 case 'c': // cost centre label select
961 RtsFlags.ProfFlags.ccSelector = left;
964 RtsFlags.ProfFlags.ccsSelector = left;
967 case 'm': // cost centre module select
968 RtsFlags.ProfFlags.modSelector = left;
971 case 'd': // closure descr select
972 RtsFlags.ProfFlags.descrSelector = left;
975 case 'y': // closure type select
976 RtsFlags.ProfFlags.typeSelector = left;
979 case 'r': // retainer select
980 RtsFlags.ProfFlags.retainerSelector = left;
983 case 'b': // biography select
984 RtsFlags.ProfFlags.bioSelector = left;
991 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
992 errorBelch("multiple heap profile options");
997 switch (rts_argv[arg][2]) {
1001 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1005 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1009 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1013 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1017 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1021 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1027 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1031 #endif /* PROFILING */
1034 #if defined(PROFILING)
1035 case 'i': /* heap sample interval */
1036 if (rts_argv[arg][2] == '\0') {
1041 /* Convert to milliseconds */
1042 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1043 RtsFlags.ProfFlags.profileInterval = cst;
1048 /* =========== CONCURRENT ========================= */
1049 case 'C': /* context switch interval */
1050 if (rts_argv[arg][2] == '\0')
1051 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1055 /* Convert to milliseconds */
1056 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1057 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1061 case 'V': /* master tick interval */
1062 if (rts_argv[arg][2] == '\0') {
1063 // turns off ticks completely
1064 RtsFlags.MiscFlags.tickInterval = 0;
1068 /* Convert to milliseconds */
1069 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1070 RtsFlags.MiscFlags.tickInterval = cst;
1074 #if defined(THREADED_RTS) && !defined(NOSMP)
1076 THREADED_BUILD_ONLY(
1077 if (rts_argv[arg][2] != '\0') {
1078 RtsFlags.ParFlags.nNodes
1079 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1080 if (RtsFlags.ParFlags.nNodes <= 0) {
1081 errorBelch("bad value for -N");
1088 switch (rts_argv[arg][2]) {
1090 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1094 RtsFlags.ParFlags.migrate = rtsFalse;
1097 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1100 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1106 /* =========== PARALLEL =========================== */
1108 PAR_OR_THREADED_BUILD_ONLY(
1109 if (rts_argv[arg][2] != '\0') {
1110 RtsFlags.ParFlags.maxLocalSparks
1111 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1112 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1113 errorBelch("bad value for -e");
1122 process_par_option(arg, rts_argc, rts_argv, &error);
1126 /* =========== GRAN =============================== */
1130 process_gran_option(arg, rts_argc, rts_argv, &error);
1133 /* =========== TICKY ============================== */
1135 case 'r': /* Basic profiling stats */
1138 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1142 r = open_stats_file(arg, *argc, argv,
1143 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1144 &RtsFlags.TickyFlags.tickyFile);
1145 if (r == -1) { error = rtsTrue; }
1149 /* =========== TRACING ---------=================== */
1152 switch(rts_argv[arg][2]) {
1154 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1158 RtsFlags.TraceFlags.timestamp = rtsTrue;
1161 RtsFlags.TraceFlags.sched = rtsTrue;
1164 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1170 /* =========== EXTENDED OPTIONS =================== */
1172 case 'x': /* Extend the argument space */
1173 switch(rts_argv[arg][2]) {
1175 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1179 case 'c': /* Debugging tool: show current cost centre on an exception */
1180 PROFILING_BUILD_ONLY(
1181 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1185 case 't': /* Include memory used by TSOs in a heap profile */
1186 PROFILING_BUILD_ONLY(
1187 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1191 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1194 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1198 break; /* defensive programming */
1200 /* =========== OH DEAR ============================ */
1202 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1209 // Determine what tick interval we should use for the RTS timer
1210 // by taking the shortest of the various intervals that we need to
1212 if (RtsFlags.MiscFlags.tickInterval <= 0) {
1213 RtsFlags.MiscFlags.tickInterval = 50;
1216 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1217 RtsFlags.MiscFlags.tickInterval =
1218 stg_min(RtsFlags.ConcFlags.ctxtSwitchTime,
1219 RtsFlags.MiscFlags.tickInterval);
1222 if (RtsFlags.GcFlags.idleGCDelayTime > 0) {
1223 RtsFlags.MiscFlags.tickInterval =
1224 stg_min(RtsFlags.GcFlags.idleGCDelayTime,
1225 RtsFlags.MiscFlags.tickInterval);
1229 if (RtsFlags.ProfFlags.profileInterval > 0) {
1230 RtsFlags.MiscFlags.tickInterval =
1231 stg_min(RtsFlags.ProfFlags.profileInterval,
1232 RtsFlags.MiscFlags.tickInterval);
1236 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1237 RtsFlags.ConcFlags.ctxtSwitchTicks =
1238 RtsFlags.ConcFlags.ctxtSwitchTime /
1239 RtsFlags.MiscFlags.tickInterval;
1241 RtsFlags.ConcFlags.ctxtSwitchTicks = 0;
1245 RtsFlags.ProfFlags.profileIntervalTicks =
1246 RtsFlags.ProfFlags.profileInterval / RtsFlags.MiscFlags.tickInterval;
1253 for (p = usage_text; *p; p++)
1254 errorBelch("%s", *p);
1255 stg_exit(EXIT_FAILURE);
1262 enable_GranSimLight(void) {
1264 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1265 RtsFlags.GranFlags.Light=rtsTrue;
1266 RtsFlags.GranFlags.Costs.latency =
1267 RtsFlags.GranFlags.Costs.fetchtime =
1268 RtsFlags.GranFlags.Costs.additional_latency =
1269 RtsFlags.GranFlags.Costs.gunblocktime =
1270 RtsFlags.GranFlags.Costs.lunblocktime =
1271 RtsFlags.GranFlags.Costs.threadcreatetime =
1272 RtsFlags.GranFlags.Costs.threadqueuetime =
1273 RtsFlags.GranFlags.Costs.threadscheduletime =
1274 RtsFlags.GranFlags.Costs.threaddescheduletime =
1275 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1277 RtsFlags.GranFlags.Costs.mpacktime =
1278 RtsFlags.GranFlags.Costs.munpacktime = 0;
1280 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1281 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1282 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1283 /* FetchStrategy is irrelevant in GrAnSim-Light */
1285 /* GrAnSim Light often creates an abundance of parallel threads,
1286 each with its own stack etc. Therefore, it's in general a good
1287 idea to use small stack chunks (use the -o<size> option to
1290 // RtsFlags.ConcFlags.stkChunkSize = 100;
1292 RtsFlags.GranFlags.proc = 1;
1296 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1298 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1301 /* or a ridiculously idealised simulator */
1302 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1303 RtsFlags.GranFlags.Costs.latency =
1304 RtsFlags.GranFlags.Costs.fetchtime =
1305 RtsFlags.GranFlags.Costs.additional_latency =
1306 RtsFlags.GranFlags.Costs.gunblocktime =
1307 RtsFlags.GranFlags.Costs.lunblocktime =
1308 RtsFlags.GranFlags.Costs.threadcreatetime =
1309 RtsFlags.GranFlags.Costs.threadqueuetime =
1310 RtsFlags.GranFlags.Costs.threadscheduletime =
1311 RtsFlags.GranFlags.Costs.threaddescheduletime =
1312 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1314 RtsFlags.GranFlags.Costs.mpacktime =
1315 RtsFlags.GranFlags.Costs.munpacktime = 0;
1317 RtsFlags.GranFlags.Costs.arith_cost =
1318 RtsFlags.GranFlags.Costs.float_cost =
1319 RtsFlags.GranFlags.Costs.load_cost =
1320 RtsFlags.GranFlags.Costs.store_cost =
1321 RtsFlags.GranFlags.Costs.branch_cost = 0;
1323 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1325 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1326 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1327 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1328 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1332 /* or a somewhat idealised simulator */
1333 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1334 RtsFlags.GranFlags.Costs.latency =
1335 RtsFlags.GranFlags.Costs.fetchtime =
1336 RtsFlags.GranFlags.Costs.additional_latency =
1337 RtsFlags.GranFlags.Costs.gunblocktime =
1338 RtsFlags.GranFlags.Costs.lunblocktime =
1339 RtsFlags.GranFlags.Costs.threadcreatetime =
1340 RtsFlags.GranFlags.Costs.threadqueuetime =
1341 RtsFlags.GranFlags.Costs.threadscheduletime =
1342 RtsFlags.GranFlags.Costs.threaddescheduletime =
1343 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1345 RtsFlags.GranFlags.Costs.mpacktime =
1346 RtsFlags.GranFlags.Costs.munpacktime = 0;
1348 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1350 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1351 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1352 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1353 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1354 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1355 # if defined(GRAN_CHECK) && defined(GRAN)
1356 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1361 /* Communication and task creation cost parameters */
1362 switch(rts_argv[arg][2]) {
1364 IgnoreYields = rtsTrue; // HWL HACK
1368 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1372 if (rts_argv[arg][3] != '\0')
1374 RtsFlags.GranFlags.Costs.gunblocktime =
1375 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1376 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1379 RtsFlags.GranFlags.Costs.latency = LATENCY;
1383 if (rts_argv[arg][3] != '\0')
1384 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1386 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1390 if (rts_argv[arg][3] != '\0')
1391 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1393 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1397 if (rts_argv[arg][3] != '\0')
1398 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1400 RtsFlags.GranFlags.Costs.mtidytime = 0;
1404 if (rts_argv[arg][3] != '\0')
1405 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1407 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1411 if (rts_argv[arg][3] != '\0')
1412 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1414 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1418 if (rts_argv[arg][3] != '\0')
1419 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1421 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1425 if (rts_argv[arg][3] != '\0')
1426 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1428 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1431 /* Thread-related metrics */
1433 if (rts_argv[arg][3] != '\0')
1434 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1436 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1440 if (rts_argv[arg][3] != '\0')
1441 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1443 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1447 if (rts_argv[arg][3] != '\0')
1448 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1450 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1452 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1453 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1457 if (rts_argv[arg][3] != '\0')
1458 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1460 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1462 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1463 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1466 /* Instruction Cost Metrics */
1468 if (rts_argv[arg][3] != '\0')
1469 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1471 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1475 if (rts_argv[arg][3] != '\0')
1476 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1478 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1482 if (rts_argv[arg][3] != '\0')
1483 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1485 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1489 if (rts_argv[arg][3] != '\0')
1490 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1492 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1496 if (rts_argv[arg][3] != '\0')
1497 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1499 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1503 if (rts_argv[arg][3] != '\0')
1504 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1506 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1510 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1511 if (rts_argv[arg][3] != '\0')
1512 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1514 RtsFlags.GranFlags.FetchStrategy = 2;
1515 if (RtsFlags.GranFlags.FetchStrategy == 0)
1516 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1519 case 'K': /* sort overhead (per elem in spark list) */
1520 if (rts_argv[arg][3] != '\0')
1521 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1523 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1524 debugBelch("Overhead for pri spark: %d (per elem).\n",
1525 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1528 case 'O': /* sort overhead (per elem in spark list) */
1529 if (rts_argv[arg][3] != '\0')
1530 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1532 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1533 debugBelch("Overhead for pri sched: %d (per elem).\n",
1534 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1537 /* General Parameters */
1539 if (rts_argv[arg][3] != '\0')
1541 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1542 if (RtsFlags.GranFlags.proc==0) {
1543 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1544 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1545 RtsFlags.GranFlags.proc < 1)
1547 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1553 RtsFlags.GranFlags.proc = MAX_PROC;
1557 RtsFlags.GranFlags.Fishing = rtsTrue;
1558 if (rts_argv[arg][3] != '\0')
1559 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1561 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1565 if (rts_argv[arg][3] != '\0')
1566 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1568 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1572 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1573 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1577 debugBelch("Bulk fetching enabled.\n");
1578 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1582 debugBelch("Thread migration enabled.\n");
1583 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1587 debugBelch("Fair Scheduling enabled.\n");
1588 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1592 debugBelch("Priority Scheduling enabled.\n");
1593 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1597 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1598 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1602 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1606 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1610 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1614 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1618 /* format is -bP<c> where <c> is one char describing kind of profile */
1619 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1620 switch(rts_argv[arg][3]) {
1621 case '\0': break; // nothing special, just an ordinary profile
1622 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1624 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1626 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1628 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1630 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1632 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1634 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1639 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1643 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1646 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1647 if (rts_argv[arg][3] != '\0') {
1650 arg0 = rts_argv[arg]+3;
1651 if ((tmp = strstr(arg0,","))==NULL) {
1652 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1653 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1656 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1657 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1658 debugBelch("SparkPriority: %u.\n",
1659 RtsFlags.GranFlags.SparkPriority);
1660 debugBelch("SparkPriority2:%u.\n",
1661 RtsFlags.GranFlags.SparkPriority2);
1662 if (RtsFlags.GranFlags.SparkPriority2 <
1663 RtsFlags.GranFlags.SparkPriority) {
1664 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1665 RtsFlags.GranFlags.SparkPriority2,
1666 RtsFlags.GranFlags.SparkPriority);
1670 /* plain pri spark is now invoked with -bX
1671 RtsFlags.GranFlags.DoPrioritySparking = 1;
1672 debugBelch("PrioritySparking.\n");
1678 if (rts_argv[arg][3] != '\0') {
1679 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1681 RtsFlags.GranFlags.ThunksToPack = 1;
1683 debugBelch("Thunks To Pack in one packet: %u.\n",
1684 RtsFlags.GranFlags.ThunksToPack);
1688 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1689 debugBelch("Deterministic mode (no random stealing)\n");
1692 /* The following class of options contains eXperimental */
1693 /* features in connection with exploiting granularity */
1694 /* information. I.e. if -bY is chosen these options */
1695 /* tell the RTS what to do with the supplied info --HWL */
1698 if (rts_argv[arg][3] != '\0') {
1699 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1701 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1703 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1704 RtsFlags.GranFlags.packBufferSize_internal);
1708 switch(rts_argv[arg][3]) {
1711 RtsFlags.GranFlags.DoPrioritySparking = 1;
1712 debugBelch("Priority Sparking with Normal Priorities.\n");
1713 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1714 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1715 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1719 RtsFlags.GranFlags.DoPrioritySparking = 1;
1720 debugBelch("Priority Sparking with Inverse Priorities.\n");
1721 RtsFlags.GranFlags.InversePriorities++;
1725 RtsFlags.GranFlags.DoPrioritySparking = 1;
1726 debugBelch("Priority Sparking with Random Priorities.\n");
1727 RtsFlags.GranFlags.RandomPriorities++;
1731 RtsFlags.GranFlags.DoPrioritySparking = 1;
1732 debugBelch("Priority Sparking with No Priorities.\n");
1733 RtsFlags.GranFlags.IgnorePriorities++;
1737 bad_option( rts_argv[arg] );
1743 switch(rts_argv[arg][3]) {
1746 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1747 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1751 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1755 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1759 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1763 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1764 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1768 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1772 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1776 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1780 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1784 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1788 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1792 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1796 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1797 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1801 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1805 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1809 bad_option( rts_argv[arg] );
1814 # if defined(GRAN_CHECK) && defined(GRAN)
1816 switch(rts_argv[arg][3]) {
1817 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1818 if (rts_argv[arg][4] != '\0') {
1819 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1820 debugBelch("Pack buffer size: %d\n",
1821 RtsFlags.GranFlags.packBufferSize);
1823 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1829 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1830 /* hack warning: interpret the flags as a binary number */
1831 nat n = decode(rts_argv[arg]+3);
1832 set_GranSim_debug_options(n);
1835 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1836 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1839 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1840 debugBelch("Valid GranSim debug options are:\n");
1841 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1842 bad_option( rts_argv[arg] );
1843 } else { // flag found; now set it
1844 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1850 case 'e': /* event trace; also -bD1 */
1851 debugBelch("DEBUG: event_trace; printing event trace.\n");
1852 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1853 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1856 case 'E': /* event statistics; also -bD2 */
1857 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1858 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1859 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1862 case 'f': /* thunkStealing; also -bD4 */
1863 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1864 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1865 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1868 case 'z': /* blockOnFetch; also -bD8 */
1869 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1870 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1871 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1874 case 't': /* blockOnFetch_sanity; also -bD16 */
1875 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1876 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1877 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1880 case 'S': /* priSpark; also -bD32 */
1881 debugBelch("DEBUG: priSpark; priority sparking.\n");
1882 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1885 case 's': /* priSched; also -bD64 */
1886 debugBelch("DEBUG: priSched; priority scheduling.\n");
1887 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1890 case 'F': /* findWork; also -bD128 */
1891 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1892 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1895 case 'g': /* globalBlock; also -bD256 */
1896 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1897 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1900 case 'G': /* pack; also -bD512 */
1901 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1902 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1905 case 'P': /* packBuffer; also -bD1024 */
1906 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1907 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1910 case 'o': /* sortedQ; also -bD2048 */
1911 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1912 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1915 case 'r': /* randomSteal; also -bD4096 */
1916 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1917 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1920 case 'q': /* checkSparkQ; also -bD8192 */
1921 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1922 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1925 case ':': /* checkLight; also -bD16384 */
1926 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1927 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1930 case 'b': /* bq; also -bD32768 */
1931 debugBelch("DEBUG: bq; check blocking queues\n");
1932 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1935 case 'd': /* all options turned on */
1936 debugBelch("DEBUG: all options turned on.\n");
1937 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1938 /* RtsFlags.GranFlags.Debug |= 0x40; */
1942 /* RtsFlags.GranFlags.Debug = 1; */
1948 # endif /* GRAN_CHECK */
1950 bad_option( rts_argv[arg] );
1956 Interpret n as a binary number masking GranSim debug options and set the
1957 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1960 set_GranSim_debug_options(nat n) {
1963 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1965 errorBelch(gran_debug_opts_strs[i]);
1967 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1968 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1969 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1970 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1971 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1972 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1973 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1974 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1975 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1976 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1977 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1978 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1979 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1980 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1981 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1982 default: barf("set_GranSim_debug_options: only %d debug options expected");
1988 Print one line explanation for each of the GranSim debug options specified
1992 help_GranSim_debug_options(nat n) {
1995 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1997 debugBelch(gran_debug_opts_strs[i]);
2003 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
2006 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
2007 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
2011 /* Communication and task creation cost parameters */
2012 switch(rts_argv[arg][2]) {
2013 case 'e': /* -qe<n> ... allow <n> local sparks */
2014 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
2015 RtsFlags.ParFlags.maxLocalSparks
2016 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2018 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
2019 errorBelch("setupRtsFlags: bad value for -e\n");
2023 IF_PAR_DEBUG(verbose,
2024 errorBelch("-qe<n>: max %d local sparks",
2025 RtsFlags.ParFlags.maxLocalSparks));
2029 if (rts_argv[arg][3] != '\0') {
2030 RtsFlags.ParFlags.maxThreads
2031 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2033 errorBelch("missing size for -qt\n");
2036 IF_PAR_DEBUG(verbose,
2037 errorBelch("-qt<n>: max %d threads",
2038 RtsFlags.ParFlags.maxThreads));
2042 if (rts_argv[arg][3] != '\0')
2043 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
2045 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
2047 IF_PAR_DEBUG(verbose,
2048 errorBelch("-qf<n>: max %d fishes sent out at one time",
2049 RtsFlags.ParFlags.maxFishes));
2053 if (rts_argv[arg][3] != '\0') {
2054 RtsFlags.ParFlags.fishDelay
2055 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2057 errorBelch("missing fish delay time for -qF\n");
2060 IF_PAR_DEBUG(verbose,
2061 errorBelch("-qF<n>: fish delay time %d us",
2062 RtsFlags.ParFlags.fishDelay));
2066 RtsFlags.ParFlags.outputDisabled = rtsTrue;
2067 IF_PAR_DEBUG(verbose,
2068 errorBelch("-qO: output disabled"));
2071 case 'g': /* -qg<n> ... globalisation scheme */
2072 if (rts_argv[arg][3] != '\0') {
2073 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
2075 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
2078 IF_PAR_DEBUG(verbose,
2079 debugBelch("-qg<n>: globalisation scheme set to %d",
2080 RtsFlags.ParFlags.globalising));
2083 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
2084 if (rts_argv[arg][3] != '\0') {
2085 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
2087 errorBelch("missing number of thunks per packet (for -qh)\n");
2090 IF_PAR_DEBUG(verbose,
2091 debugBelch("-qh<n>: thunks per packet set to %d",
2092 RtsFlags.ParFlags.thunksToPack));
2095 case 'P': /* -qP for writing a log file */
2096 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2097 /* same encoding as in GranSim after -bP */
2098 switch(rts_argv[arg][3]) {
2099 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2100 break; // nothing special, just an ordinary profile
2101 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2102 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2104 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2106 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2108 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2110 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2113 # if defined(PAR_TICKY)
2114 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2116 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2117 stg_exit(EXIT_FAILURE);
2120 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2122 IF_PAR_DEBUG(verbose,
2123 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2124 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2127 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2128 if (rts_argv[arg][3] != '\0') {
2129 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2131 errorBelch("missing size of PackBuffer (for -qQ)\n");
2134 IF_PAR_DEBUG(verbose,
2135 debugBelch("-qQ<n>: pack buffer size set to %d",
2136 RtsFlags.ParFlags.packBufferSize));
2140 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2141 IF_PAR_DEBUG(verbose,
2142 debugBelch("-qR: fair-ish scheduling"));
2147 if (rts_argv[arg][3] != '\0') {
2148 RtsFlags.ParFlags.wait
2149 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2151 RtsFlags.ParFlags.wait = 1000;
2153 IF_PAR_DEBUG(verbose,
2154 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2155 RtsFlags.ParFlags.wait));
2158 case 'D': /* -qD ... all the debugging options */
2159 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2160 /* hack warning: interpret the flags as a binary number */
2161 nat n = decode(rts_argv[arg]+3);
2162 set_par_debug_options(n);
2165 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2166 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2169 if (i==MAX_PAR_DEBUG_OPTION+1) {
2170 errorBelch("Valid GUM debug options are:\n");
2171 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2172 bad_option( rts_argv[arg] );
2173 } else { // flag found; now set it
2174 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2180 errorBelch("Unknown option -q%c (%d opts in total)",
2181 rts_argv[arg][2], *rts_argc);
2187 Interpret n as a binary number masking Par debug options and set the
2188 correxponding option. See par_debug_opts_strs for explanations of the flags.
2191 set_par_debug_options(nat n) {
2194 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2196 debugBelch(par_debug_opts_strs[i]);
2198 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2199 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2200 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2201 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2202 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2203 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2204 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2205 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2206 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2207 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2208 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2209 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2210 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2211 default: barf("set_par_debug_options: only %d debug options expected",
2212 MAX_PAR_DEBUG_OPTION);
2218 Print one line explanation for each of the GranSim debug options specified
2222 help_par_debug_options(nat n) {
2225 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2227 debugBelch(par_debug_opts_strs[i]);
2233 stats_fprintf(FILE *f, char *s, ...)
2245 static int /* return -1 on error */
2248 int argc, char *argv[],
2249 int rts_argc, char *rts_argv[],
2250 const char *FILENAME_FMT,
2255 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2256 f = NULL; /* NULL means use debugBelch */
2258 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2259 f = fopen(rts_argv[arg]+2,"w");
2261 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2262 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2263 f = fopen(stats_filename,"w");
2266 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2273 /* Write argv and rtsv into start of stats file */
2275 for(count = 0; count < argc; count++) {
2276 stats_fprintf(f, "%s ", argv[count]);
2278 stats_fprintf(f, "+RTS ");
2279 for(count = 0; count < rts_argc; count++)
2280 stats_fprintf(f, "%s ", rts_argv[count]);
2281 stats_fprintf(f, "\n");
2289 decode(const char *s)
2300 if (c == 'g' || c == 'G')
2301 m *= 1000*1000*1000; /* UNchecked! */
2302 else if (c == 'm' || c == 'M')
2303 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2304 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2305 m *= 1000; /* a direct-mapped cache. */
2306 else if (c == 'w' || c == 'W')
2313 bad_option(const char *s)
2315 errorBelch("bad RTS option: %s", s);
2316 stg_exit(EXIT_FAILURE);
2319 /* -----------------------------------------------------------------------------
2320 Getting/Setting the program's arguments.
2322 These are used by System.Environment, and parts of the RTS.
2323 -------------------------------------------------------------------------- */
2326 setProgName(char *argv[])
2328 /* Remove directory from argv[0] -- default files in current directory */
2329 #if !defined(mingw32_HOST_OS)
2331 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2332 prog_name = last_slash+1;
2334 prog_name = argv[0];
2337 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2338 while ( last_slash > argv[0] ) {
2339 if ( *last_slash == '/' || *last_slash == '\\' ) {
2340 prog_name = last_slash+1;
2345 prog_name = argv[0];
2350 getProgArgv(int *argc, char **argv[])
2352 if (argc) { *argc = prog_argc; }
2353 if (argv) { *argv = prog_argv; }
2357 setProgArgv(int argc, char *argv[])
2359 /* Usually this is done by startupHaskell, so we don't need to call this.
2360 However, sometimes Hugs wants to change the arguments which Haskell
2361 getArgs >>= ... will be fed. So you can do that by calling here
2362 _after_ calling startupHaskell.
2366 setProgName(prog_argv);