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 "BlockAlloc.h"
15 #include "Timer.h" /* CS_MIN_MILLISECS */
16 #include "Profiling.h"
29 * Split argument lists
31 int prog_argc = 0; /* an "int" so as to match normal "argc" */
32 char **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.idleGCDelayTicks = 300 / TICK_MILLISECS; /* ticks */
156 RtsFlags.DebugFlags.scheduler = rtsFalse;
157 RtsFlags.DebugFlags.interpreter = rtsFalse;
158 RtsFlags.DebugFlags.weak = rtsFalse;
159 RtsFlags.DebugFlags.gccafs = rtsFalse;
160 RtsFlags.DebugFlags.gc = rtsFalse;
161 RtsFlags.DebugFlags.block_alloc = rtsFalse;
162 RtsFlags.DebugFlags.sanity = rtsFalse;
163 RtsFlags.DebugFlags.stable = rtsFalse;
164 RtsFlags.DebugFlags.stm = rtsFalse;
165 RtsFlags.DebugFlags.prof = rtsFalse;
166 RtsFlags.DebugFlags.gran = rtsFalse;
167 RtsFlags.DebugFlags.par = rtsFalse;
168 RtsFlags.DebugFlags.linker = rtsFalse;
169 RtsFlags.DebugFlags.squeeze = rtsFalse;
172 #if defined(PROFILING) || defined(PAR)
173 RtsFlags.CcFlags.doCostCentres = 0;
174 #endif /* PROFILING or PAR */
177 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
178 RtsFlags.ProfFlags.profileInterval = 100;
179 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
180 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
181 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
182 RtsFlags.ProfFlags.modSelector = NULL;
183 RtsFlags.ProfFlags.descrSelector = NULL;
184 RtsFlags.ProfFlags.typeSelector = NULL;
185 RtsFlags.ProfFlags.ccSelector = NULL;
186 RtsFlags.ProfFlags.ccsSelector = NULL;
187 RtsFlags.ProfFlags.retainerSelector = NULL;
188 RtsFlags.ProfFlags.bioSelector = NULL;
191 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
194 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* 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;
309 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
311 " +RTS Indicates run time system options follow",
312 " -RTS Indicates program arguments follow",
313 " --RTS Indicates that ALL subsequent arguments will be given to the",
314 " program (including any of these RTS flags)",
316 "The following run time system options are available:",
318 " -? Prints this message and exits; the program is not executed",
320 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
321 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
323 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
324 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
325 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
326 " -m<n> Minimum % of heap which must be available (default 3%)",
327 " -G<n> Number of generations (default: 2)",
328 " -T<n> Number of steps in younger generations (default: 2)",
329 " -c<n> Auto-enable compaction of the oldest generation when live data is",
330 " at least <n>% of the maximum heap size set with -M (default: 30%)",
331 " -c Enable compaction for all major collections",
332 #if defined(THREADED_RTS)
333 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
336 " -t<file> One-line GC statistics (default file: <program>.stat)",
337 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
338 " -S<file> Detailed GC statistics",
339 #ifdef RTS_GTK_FRONTPANEL
340 " -f Display front panel (requires X11 & GTK+)",
344 " -Z Don't squeeze out update frames on stack overflow",
345 " -B Sound the bell at the start of each garbage collection",
346 #if defined(PROFILING) || defined(PAR)
348 " -px Time/allocation profile (XML) (output file <program>.prof)",
349 " -p Time/allocation profile (output file <program>.prof)",
350 " -P More detailed Time/Allocation profile",
351 " -Pa Give information about *all* cost centres",
353 # if defined(PROFILING)
355 " -hx Heap residency profile (XML) (output file <program>.prof)",
356 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
357 " break-down: c = cost centre stack (default)",
359 " d = closure description",
360 " y = type description",
362 " b = biography (LAG,DRAG,VOID,USE)",
363 " A subset of closures may be selected thusly:",
364 " -hc<cc>,... specific cost centre(s) (top of stack only)",
365 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
366 " -hm<mod>... all cost centres from the specified modules(s)",
367 " -hd<des>,... closures with specified closure descriptions",
368 " -hy<typ>... closures with specified type descriptions",
369 " -hr<cc>... closures with specified retainers",
370 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
372 " -R<size> Set the maximum retainer set size (default: 8)",
374 " -i<sec> Time between heap samples (seconds, default: 0.1)",
376 " -xt Include threads (TSOs) in a heap profile",
378 " -xc Show current cost centre stack on raising an exception",
380 #endif /* PROFILING or PAR */
381 #if !defined(PROFILING) && defined(DEBUG)
383 " -h<break-down> Debugging Heap residency profile",
384 " (output file <program>.hp)",
385 " break-down: L = closure label (default)",
386 " T = closure type (constructor, thunk etc.)",
389 #if defined(TICKY_TICKY)
390 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
394 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
395 /* NB: the -N<n> is implemented by the driver!! */
397 " -C<secs> Context-switch interval in seconds",
398 " (0 or no argument means switch as often as possible)",
399 " the default is .02 sec; resolution is .02 sec",
401 " -vs Trace scheduler events (see also -Ds with -debug)",
402 " -vt Time-stamp trace messages",
405 " -Ds DEBUG: scheduler",
406 " -Di DEBUG: interpreter",
408 " -DG DEBUG: gccafs",
411 " -DS DEBUG: sanity",
412 " -Dt DEBUG: stable",
416 " -Dl DEBUG: linker",
418 " -Dz DEBUG: stack squezing",
421 #if defined(THREADED_RTS) && !defined(NOSMP)
422 " -N<n> Use <n> OS threads (default: 1)",
423 " -qm Don't automatically migrate threads between CPUs",
424 " -qw Migrate a thread to the current CPU when it is woken up",
426 #if defined(THREADED_RTS) || defined(PAR)
427 " -e<size> Size of spark pools (default 100)",
430 " -t<num> Set maximum number of advisory threads per PE (default 32)",
431 " -qP Enable activity profile (output files in ~/<program>*.gr)",
432 " -qQ<size> Set pack-buffer size (default: 1024)",
433 " -qd Turn on PVM-ish debugging",
434 " -qO Disable output for performance measurement",
436 #if defined(THREADED_RTS) || defined(PAR)
437 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
440 " -d Turn on PVM-ish debugging",
441 " -O Disable output for performance measurement",
443 #if defined(GRAN) /* ToDo: fill in decent Docu here */
444 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
447 "RTS options may also be specified using the GHCRTS environment variable.",
449 "Other RTS options may be available for programs compiled a different way.",
450 "The GHC User's Guide has full details.",
455 STATIC_INLINE rtsBool
456 strequal(const char *a, const char * b)
458 return(strcmp(a, b) == 0);
462 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
468 while (isspace(*c1)) { c1++; };
470 while (!isspace(*c2) && *c2 != '\0') { c2++; };
472 if (c1 == c2) { break; }
474 if (*rts_argc < MAX_RTS_ARGS-1) {
475 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
476 strncpy(s, c1, c2-c1);
478 rts_argv[(*rts_argc)++] = s;
480 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
484 } while (*c1 != '\0');
488 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
490 rtsBool error = rtsFalse;
501 // process arguments from the ghc_rts_opts global variable first.
502 // (arguments from the GHCRTS environment variable and the command
503 // line override these).
505 if (ghc_rts_opts != NULL) {
506 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
510 // process arguments from the GHCRTS environment variable next
511 // (arguments from the command line override these).
513 char *ghc_rts = getenv("GHCRTS");
515 if (ghc_rts != NULL) {
516 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
520 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
521 // argv[0] must be PGM argument -- leave in argv
523 for (mode = PGM; arg < total_arg; arg++) {
524 // The '--RTS' argument disables all future +RTS ... -RTS processing.
525 if (strequal("--RTS", argv[arg])) {
529 // The '--' argument is passed through to the program, but
530 // disables all further +RTS ... -RTS processing.
531 else if (strequal("--", argv[arg])) {
534 else if (strequal("+RTS", argv[arg])) {
537 else if (strequal("-RTS", argv[arg])) {
540 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
541 rts_argv[(*rts_argc)++] = argv[arg];
543 else if (mode == PGM) {
544 argv[(*argc)++] = argv[arg];
547 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
550 // process remaining program arguments
551 for (; arg < total_arg; arg++) {
552 argv[(*argc)++] = argv[arg];
554 argv[*argc] = (char *) 0;
555 rts_argv[*rts_argc] = (char *) 0;
557 // Process RTS (rts_argv) part: mainly to determine statsfile
558 for (arg = 0; arg < *rts_argc; arg++) {
559 if (rts_argv[arg][0] != '-') {
561 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
565 switch(rts_argv[arg][1]) {
567 /* process: general args, then PROFILING-only ones,
568 then CONCURRENT-only, PARallel-only, GRAN-only,
569 TICKY-only (same order as defined in RtsFlags.lh);
570 within those groups, mostly in case-insensitive
572 Final group is x*, which allows for more options.
576 # define TICKY_BUILD_ONLY(x) x
578 # define TICKY_BUILD_ONLY(x) \
579 errorBelch("not built for: ticky-ticky stats"); \
583 #if defined(PROFILING)
584 # define COST_CENTRE_USING_BUILD_ONLY(x) x
586 # define COST_CENTRE_USING_BUILD_ONLY(x) \
587 errorBelch("not built for: -prof or -parallel"); \
592 # define PROFILING_BUILD_ONLY(x) x
594 # define PROFILING_BUILD_ONLY(x) \
595 errorBelch("not built for: -prof"); \
600 # define PAR_BUILD_ONLY(x) x
602 # define PAR_BUILD_ONLY(x) \
603 errorBelch("not built for: -parallel"); \
608 # define THREADED_BUILD_ONLY(x) x
610 # define THREADED_BUILD_ONLY(x) \
611 errorBelch("not built for: -smp"); \
615 #if defined(THREADED_RTS) || defined(PAR)
616 # define PAR_OR_THREADED_BUILD_ONLY(x) x
618 # define PAR_OR_THREADED_BUILD_ONLY(x) \
619 errorBelch("not built for: -parallel or -smp"); \
624 # define GRAN_BUILD_ONLY(x) x
626 # define GRAN_BUILD_ONLY(x) \
627 errorBelch("not built for: -gransim"); \
631 /* =========== GENERAL ========================== */
637 RtsFlags.GcFlags.minAllocAreaSize
638 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
639 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
640 bad_option(rts_argv[arg]);
645 RtsFlags.GcFlags.ringBell = rtsTrue;
649 if (rts_argv[arg][2] != '\0') {
650 RtsFlags.GcFlags.compactThreshold =
651 atof(rts_argv[arg]+2);
653 RtsFlags.GcFlags.compact = rtsTrue;
658 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
660 if (RtsFlags.GcFlags.oldGenFactor < 0)
661 bad_option( rts_argv[arg] );
669 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
672 RtsFlags.DebugFlags.scheduler = rtsTrue;
675 RtsFlags.DebugFlags.interpreter = rtsTrue;
678 RtsFlags.DebugFlags.weak = rtsTrue;
681 RtsFlags.DebugFlags.gccafs = rtsTrue;
684 RtsFlags.DebugFlags.gc = rtsTrue;
687 RtsFlags.DebugFlags.block_alloc = rtsTrue;
690 RtsFlags.DebugFlags.sanity = rtsTrue;
693 RtsFlags.DebugFlags.stable = rtsTrue;
696 RtsFlags.DebugFlags.prof = rtsTrue;
699 RtsFlags.DebugFlags.gran = rtsTrue;
702 RtsFlags.DebugFlags.par = rtsTrue;
705 RtsFlags.DebugFlags.linker = rtsTrue;
708 RtsFlags.DebugFlags.apply = rtsTrue;
711 RtsFlags.DebugFlags.stm = rtsTrue;
714 RtsFlags.DebugFlags.squeeze = rtsTrue;
717 bad_option( rts_argv[arg] );
725 RtsFlags.GcFlags.maxStkSize =
726 decode(rts_argv[arg]+2) / sizeof(W_);
728 if (RtsFlags.GcFlags.maxStkSize == 0)
729 bad_option( rts_argv[arg] );
733 RtsFlags.GcFlags.initialStkSize =
734 decode(rts_argv[arg]+2) / sizeof(W_);
736 if (RtsFlags.GcFlags.initialStkSize == 0)
737 bad_option( rts_argv[arg] );
741 RtsFlags.GcFlags.maxHeapSize =
742 decode(rts_argv[arg]+2) / BLOCK_SIZE;
743 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
745 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
746 bad_option(rts_argv[arg]);
751 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
753 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
754 RtsFlags.GcFlags.pcFreeHeap > 100)
755 bad_option( rts_argv[arg] );
759 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
760 if (RtsFlags.GcFlags.generations < 1) {
761 bad_option(rts_argv[arg]);
766 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
767 if (RtsFlags.GcFlags.steps < 1) {
768 bad_option(rts_argv[arg]);
773 RtsFlags.GcFlags.heapSizeSuggestion =
774 decode(rts_argv[arg]+2) / BLOCK_SIZE;
776 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
777 bad_option(rts_argv[arg]);
781 #ifdef RTS_GTK_FRONTPANEL
783 RtsFlags.GcFlags.frontpanel = rtsTrue;
787 case 'I': /* idle GC delay */
788 if (rts_argv[arg][2] == '\0') {
793 /* Convert to ticks */
794 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
795 if (cst > 0 && cst < TICK_MILLISECS) {
796 cst = TICK_MILLISECS;
798 cst = cst / TICK_MILLISECS;
800 RtsFlags.GcFlags.idleGCDelayTicks = cst;
805 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
809 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
813 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
818 /* Opening all those files would almost certainly fail... */
819 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
820 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
824 r = open_stats_file(arg, *argc, argv,
825 *rts_argc, rts_argv, STAT_FILENAME_FMT,
826 &RtsFlags.GcFlags.statsFile);
827 if (r == -1) { error = rtsTrue; }
833 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
836 /* =========== PROFILING ========================== */
838 case 'P': /* detailed cost centre profiling (time/alloc) */
839 case 'p': /* cost centre profiling (time/alloc) */
840 COST_CENTRE_USING_BUILD_ONLY(
841 switch (rts_argv[arg][2]) {
843 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
846 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
849 if (rts_argv[arg][1] == 'P') {
850 RtsFlags.CcFlags.doCostCentres =
851 COST_CENTRES_VERBOSE;
853 RtsFlags.CcFlags.doCostCentres =
854 COST_CENTRES_SUMMARY;
861 PROFILING_BUILD_ONLY(
862 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
865 case 'h': /* serial heap profile */
866 #if !defined(PROFILING) && defined(DEBUG)
867 switch (rts_argv[arg][2]) {
870 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
873 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
876 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
880 PROFILING_BUILD_ONLY(
881 switch (rts_argv[arg][2]) {
895 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
897 char *left = strchr(rts_argv[arg], '{');
898 char *right = strrchr(rts_argv[arg], '}');
900 // curly braces are optional, for
905 left = rts_argv[arg] + 3;
908 right = rts_argv[arg] + strlen(rts_argv[arg]);
912 switch (rts_argv[arg][2]) {
913 case 'c': // cost centre label select
914 RtsFlags.ProfFlags.ccSelector = left;
917 RtsFlags.ProfFlags.ccsSelector = left;
920 case 'm': // cost centre module select
921 RtsFlags.ProfFlags.modSelector = left;
924 case 'd': // closure descr select
925 RtsFlags.ProfFlags.descrSelector = left;
928 case 'y': // closure type select
929 RtsFlags.ProfFlags.typeSelector = left;
932 case 'r': // retainer select
933 RtsFlags.ProfFlags.retainerSelector = left;
936 case 'b': // biography select
937 RtsFlags.ProfFlags.bioSelector = left;
944 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
945 errorBelch("multiple heap profile options");
950 switch (rts_argv[arg][2]) {
954 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
958 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
962 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
966 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
970 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
974 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
980 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
984 #endif /* PROFILING */
987 #if defined(PROFILING)
988 case 'i': /* heap sample interval */
989 if (rts_argv[arg][2] == '\0') {
994 /* Convert to milliseconds */
995 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
996 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
997 if (cst != 0 && cst < CS_MIN_MILLISECS)
998 cst = CS_MIN_MILLISECS;
1000 RtsFlags.ProfFlags.profileInterval = cst;
1005 /* =========== CONCURRENT ========================= */
1006 case 'C': /* context switch interval */
1007 if (rts_argv[arg][2] == '\0')
1008 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1012 /* Convert to milliseconds */
1013 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1014 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1015 if (cst != 0 && cst < CS_MIN_MILLISECS)
1016 cst = CS_MIN_MILLISECS;
1018 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1022 #if defined(THREADED_RTS) && !defined(NOSMP)
1024 THREADED_BUILD_ONLY(
1025 if (rts_argv[arg][2] != '\0') {
1026 RtsFlags.ParFlags.nNodes
1027 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1028 if (RtsFlags.ParFlags.nNodes <= 0) {
1029 errorBelch("bad value for -N");
1036 switch (rts_argv[arg][2]) {
1038 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1042 RtsFlags.ParFlags.migrate = rtsFalse;
1045 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1048 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1054 /* =========== PARALLEL =========================== */
1056 PAR_OR_THREADED_BUILD_ONLY(
1057 if (rts_argv[arg][2] != '\0') {
1058 RtsFlags.ParFlags.maxLocalSparks
1059 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1060 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1061 errorBelch("bad value for -e");
1070 process_par_option(arg, rts_argc, rts_argv, &error);
1074 /* =========== GRAN =============================== */
1078 process_gran_option(arg, rts_argc, rts_argv, &error);
1081 /* =========== TICKY ============================== */
1083 case 'r': /* Basic profiling stats */
1086 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1090 r = open_stats_file(arg, *argc, argv,
1091 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1092 &RtsFlags.TickyFlags.tickyFile);
1093 if (r == -1) { error = rtsTrue; }
1097 /* =========== TRACING ---------=================== */
1100 switch(rts_argv[arg][2]) {
1102 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1106 RtsFlags.TraceFlags.timestamp = rtsTrue;
1109 RtsFlags.TraceFlags.sched = rtsTrue;
1112 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1118 /* =========== EXTENDED OPTIONS =================== */
1120 case 'x': /* Extend the argument space */
1121 switch(rts_argv[arg][2]) {
1123 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1127 case 'c': /* Debugging tool: show current cost centre on an exception */
1128 PROFILING_BUILD_ONLY(
1129 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1133 case 't': /* Include memory used by TSOs in a heap profile */
1134 PROFILING_BUILD_ONLY(
1135 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1139 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1142 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1146 break; /* defensive programming */
1148 /* =========== OH DEAR ============================ */
1150 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1160 for (p = usage_text; *p; p++)
1161 errorBelch("%s", *p);
1162 stg_exit(EXIT_FAILURE);
1169 enable_GranSimLight(void) {
1171 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1172 RtsFlags.GranFlags.Light=rtsTrue;
1173 RtsFlags.GranFlags.Costs.latency =
1174 RtsFlags.GranFlags.Costs.fetchtime =
1175 RtsFlags.GranFlags.Costs.additional_latency =
1176 RtsFlags.GranFlags.Costs.gunblocktime =
1177 RtsFlags.GranFlags.Costs.lunblocktime =
1178 RtsFlags.GranFlags.Costs.threadcreatetime =
1179 RtsFlags.GranFlags.Costs.threadqueuetime =
1180 RtsFlags.GranFlags.Costs.threadscheduletime =
1181 RtsFlags.GranFlags.Costs.threaddescheduletime =
1182 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1184 RtsFlags.GranFlags.Costs.mpacktime =
1185 RtsFlags.GranFlags.Costs.munpacktime = 0;
1187 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1188 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1189 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1190 /* FetchStrategy is irrelevant in GrAnSim-Light */
1192 /* GrAnSim Light often creates an abundance of parallel threads,
1193 each with its own stack etc. Therefore, it's in general a good
1194 idea to use small stack chunks (use the -o<size> option to
1197 // RtsFlags.ConcFlags.stkChunkSize = 100;
1199 RtsFlags.GranFlags.proc = 1;
1203 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1205 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1208 /* or a ridiculously idealised simulator */
1209 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1210 RtsFlags.GranFlags.Costs.latency =
1211 RtsFlags.GranFlags.Costs.fetchtime =
1212 RtsFlags.GranFlags.Costs.additional_latency =
1213 RtsFlags.GranFlags.Costs.gunblocktime =
1214 RtsFlags.GranFlags.Costs.lunblocktime =
1215 RtsFlags.GranFlags.Costs.threadcreatetime =
1216 RtsFlags.GranFlags.Costs.threadqueuetime =
1217 RtsFlags.GranFlags.Costs.threadscheduletime =
1218 RtsFlags.GranFlags.Costs.threaddescheduletime =
1219 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1221 RtsFlags.GranFlags.Costs.mpacktime =
1222 RtsFlags.GranFlags.Costs.munpacktime = 0;
1224 RtsFlags.GranFlags.Costs.arith_cost =
1225 RtsFlags.GranFlags.Costs.float_cost =
1226 RtsFlags.GranFlags.Costs.load_cost =
1227 RtsFlags.GranFlags.Costs.store_cost =
1228 RtsFlags.GranFlags.Costs.branch_cost = 0;
1230 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1232 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1233 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1234 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1235 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1239 /* or a somewhat idealised simulator */
1240 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1241 RtsFlags.GranFlags.Costs.latency =
1242 RtsFlags.GranFlags.Costs.fetchtime =
1243 RtsFlags.GranFlags.Costs.additional_latency =
1244 RtsFlags.GranFlags.Costs.gunblocktime =
1245 RtsFlags.GranFlags.Costs.lunblocktime =
1246 RtsFlags.GranFlags.Costs.threadcreatetime =
1247 RtsFlags.GranFlags.Costs.threadqueuetime =
1248 RtsFlags.GranFlags.Costs.threadscheduletime =
1249 RtsFlags.GranFlags.Costs.threaddescheduletime =
1250 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1252 RtsFlags.GranFlags.Costs.mpacktime =
1253 RtsFlags.GranFlags.Costs.munpacktime = 0;
1255 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1257 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1258 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1259 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1260 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1261 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1262 # if defined(GRAN_CHECK) && defined(GRAN)
1263 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1268 /* Communication and task creation cost parameters */
1269 switch(rts_argv[arg][2]) {
1271 IgnoreYields = rtsTrue; // HWL HACK
1275 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1279 if (rts_argv[arg][3] != '\0')
1281 RtsFlags.GranFlags.Costs.gunblocktime =
1282 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1283 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1286 RtsFlags.GranFlags.Costs.latency = LATENCY;
1290 if (rts_argv[arg][3] != '\0')
1291 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1293 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1297 if (rts_argv[arg][3] != '\0')
1298 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1300 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1304 if (rts_argv[arg][3] != '\0')
1305 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1307 RtsFlags.GranFlags.Costs.mtidytime = 0;
1311 if (rts_argv[arg][3] != '\0')
1312 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1314 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1318 if (rts_argv[arg][3] != '\0')
1319 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1321 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1325 if (rts_argv[arg][3] != '\0')
1326 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1328 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1332 if (rts_argv[arg][3] != '\0')
1333 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1335 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1338 /* Thread-related metrics */
1340 if (rts_argv[arg][3] != '\0')
1341 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1343 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1347 if (rts_argv[arg][3] != '\0')
1348 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1350 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1354 if (rts_argv[arg][3] != '\0')
1355 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1357 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1359 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1360 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1364 if (rts_argv[arg][3] != '\0')
1365 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1367 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1369 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1370 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1373 /* Instruction Cost Metrics */
1375 if (rts_argv[arg][3] != '\0')
1376 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1378 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1382 if (rts_argv[arg][3] != '\0')
1383 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1385 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1389 if (rts_argv[arg][3] != '\0')
1390 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1392 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1396 if (rts_argv[arg][3] != '\0')
1397 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1399 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1403 if (rts_argv[arg][3] != '\0')
1404 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1406 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1410 if (rts_argv[arg][3] != '\0')
1411 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1413 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1417 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1418 if (rts_argv[arg][3] != '\0')
1419 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1421 RtsFlags.GranFlags.FetchStrategy = 2;
1422 if (RtsFlags.GranFlags.FetchStrategy == 0)
1423 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1426 case 'K': /* sort overhead (per elem in spark list) */
1427 if (rts_argv[arg][3] != '\0')
1428 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1430 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1431 debugBelch("Overhead for pri spark: %d (per elem).\n",
1432 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1435 case 'O': /* sort overhead (per elem in spark list) */
1436 if (rts_argv[arg][3] != '\0')
1437 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1439 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1440 debugBelch("Overhead for pri sched: %d (per elem).\n",
1441 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1444 /* General Parameters */
1446 if (rts_argv[arg][3] != '\0')
1448 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1449 if (RtsFlags.GranFlags.proc==0) {
1450 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1451 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1452 RtsFlags.GranFlags.proc < 1)
1454 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1460 RtsFlags.GranFlags.proc = MAX_PROC;
1464 RtsFlags.GranFlags.Fishing = rtsTrue;
1465 if (rts_argv[arg][3] != '\0')
1466 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1468 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1472 if (rts_argv[arg][3] != '\0')
1473 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1475 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1479 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1480 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1484 debugBelch("Bulk fetching enabled.\n");
1485 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1489 debugBelch("Thread migration enabled.\n");
1490 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1494 debugBelch("Fair Scheduling enabled.\n");
1495 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1499 debugBelch("Priority Scheduling enabled.\n");
1500 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1504 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1505 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1509 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1513 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1517 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1521 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1525 /* format is -bP<c> where <c> is one char describing kind of profile */
1526 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1527 switch(rts_argv[arg][3]) {
1528 case '\0': break; // nothing special, just an ordinary profile
1529 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1531 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1533 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1535 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1537 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1539 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1541 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1546 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1550 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1553 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1554 if (rts_argv[arg][3] != '\0') {
1557 arg0 = rts_argv[arg]+3;
1558 if ((tmp = strstr(arg0,","))==NULL) {
1559 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1560 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1563 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1564 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1565 debugBelch("SparkPriority: %u.\n",
1566 RtsFlags.GranFlags.SparkPriority);
1567 debugBelch("SparkPriority2:%u.\n",
1568 RtsFlags.GranFlags.SparkPriority2);
1569 if (RtsFlags.GranFlags.SparkPriority2 <
1570 RtsFlags.GranFlags.SparkPriority) {
1571 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1572 RtsFlags.GranFlags.SparkPriority2,
1573 RtsFlags.GranFlags.SparkPriority);
1577 /* plain pri spark is now invoked with -bX
1578 RtsFlags.GranFlags.DoPrioritySparking = 1;
1579 debugBelch("PrioritySparking.\n");
1585 if (rts_argv[arg][3] != '\0') {
1586 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1588 RtsFlags.GranFlags.ThunksToPack = 1;
1590 debugBelch("Thunks To Pack in one packet: %u.\n",
1591 RtsFlags.GranFlags.ThunksToPack);
1595 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1596 debugBelch("Deterministic mode (no random stealing)\n");
1599 /* The following class of options contains eXperimental */
1600 /* features in connection with exploiting granularity */
1601 /* information. I.e. if -bY is chosen these options */
1602 /* tell the RTS what to do with the supplied info --HWL */
1605 if (rts_argv[arg][3] != '\0') {
1606 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1608 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1610 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1611 RtsFlags.GranFlags.packBufferSize_internal);
1615 switch(rts_argv[arg][3]) {
1618 RtsFlags.GranFlags.DoPrioritySparking = 1;
1619 debugBelch("Priority Sparking with Normal Priorities.\n");
1620 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1621 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1622 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1626 RtsFlags.GranFlags.DoPrioritySparking = 1;
1627 debugBelch("Priority Sparking with Inverse Priorities.\n");
1628 RtsFlags.GranFlags.InversePriorities++;
1632 RtsFlags.GranFlags.DoPrioritySparking = 1;
1633 debugBelch("Priority Sparking with Random Priorities.\n");
1634 RtsFlags.GranFlags.RandomPriorities++;
1638 RtsFlags.GranFlags.DoPrioritySparking = 1;
1639 debugBelch("Priority Sparking with No Priorities.\n");
1640 RtsFlags.GranFlags.IgnorePriorities++;
1644 bad_option( rts_argv[arg] );
1650 switch(rts_argv[arg][3]) {
1653 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1654 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1658 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1662 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1666 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1670 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1671 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1675 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1679 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1683 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1687 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1691 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1695 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1699 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1703 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1704 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1708 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1712 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1716 bad_option( rts_argv[arg] );
1721 # if defined(GRAN_CHECK) && defined(GRAN)
1723 switch(rts_argv[arg][3]) {
1724 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1725 if (rts_argv[arg][4] != '\0') {
1726 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1727 debugBelch("Pack buffer size: %d\n",
1728 RtsFlags.GranFlags.packBufferSize);
1730 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1736 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1737 /* hack warning: interpret the flags as a binary number */
1738 nat n = decode(rts_argv[arg]+3);
1739 set_GranSim_debug_options(n);
1742 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1743 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1746 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1747 debugBelch("Valid GranSim debug options are:\n");
1748 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1749 bad_option( rts_argv[arg] );
1750 } else { // flag found; now set it
1751 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1757 case 'e': /* event trace; also -bD1 */
1758 debugBelch("DEBUG: event_trace; printing event trace.\n");
1759 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1760 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1763 case 'E': /* event statistics; also -bD2 */
1764 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1765 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1766 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1769 case 'f': /* thunkStealing; also -bD4 */
1770 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1771 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1772 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1775 case 'z': /* blockOnFetch; also -bD8 */
1776 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1777 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1778 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1781 case 't': /* blockOnFetch_sanity; also -bD16 */
1782 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1783 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1784 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1787 case 'S': /* priSpark; also -bD32 */
1788 debugBelch("DEBUG: priSpark; priority sparking.\n");
1789 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1792 case 's': /* priSched; also -bD64 */
1793 debugBelch("DEBUG: priSched; priority scheduling.\n");
1794 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1797 case 'F': /* findWork; also -bD128 */
1798 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1799 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1802 case 'g': /* globalBlock; also -bD256 */
1803 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1804 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1807 case 'G': /* pack; also -bD512 */
1808 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1809 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1812 case 'P': /* packBuffer; also -bD1024 */
1813 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1814 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1817 case 'o': /* sortedQ; also -bD2048 */
1818 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1819 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1822 case 'r': /* randomSteal; also -bD4096 */
1823 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1824 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1827 case 'q': /* checkSparkQ; also -bD8192 */
1828 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1829 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1832 case ':': /* checkLight; also -bD16384 */
1833 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1834 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1837 case 'b': /* bq; also -bD32768 */
1838 debugBelch("DEBUG: bq; check blocking queues\n");
1839 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1842 case 'd': /* all options turned on */
1843 debugBelch("DEBUG: all options turned on.\n");
1844 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1845 /* RtsFlags.GranFlags.Debug |= 0x40; */
1849 /* RtsFlags.GranFlags.Debug = 1; */
1855 # endif /* GRAN_CHECK */
1857 bad_option( rts_argv[arg] );
1863 Interpret n as a binary number masking GranSim debug options and set the
1864 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1867 set_GranSim_debug_options(nat n) {
1870 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1872 errorBelch(gran_debug_opts_strs[i]);
1874 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1875 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1876 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1877 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1878 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1879 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1880 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1881 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1882 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1883 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1884 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1885 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1886 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1887 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1888 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1889 default: barf("set_GranSim_debug_options: only %d debug options expected");
1895 Print one line explanation for each of the GranSim debug options specified
1899 help_GranSim_debug_options(nat n) {
1902 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1904 debugBelch(gran_debug_opts_strs[i]);
1910 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1913 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1914 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1918 /* Communication and task creation cost parameters */
1919 switch(rts_argv[arg][2]) {
1920 case 'e': /* -qe<n> ... allow <n> local sparks */
1921 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1922 RtsFlags.ParFlags.maxLocalSparks
1923 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1925 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1926 errorBelch("setupRtsFlags: bad value for -e\n");
1930 IF_PAR_DEBUG(verbose,
1931 errorBelch("-qe<n>: max %d local sparks",
1932 RtsFlags.ParFlags.maxLocalSparks));
1936 if (rts_argv[arg][3] != '\0') {
1937 RtsFlags.ParFlags.maxThreads
1938 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1940 errorBelch("missing size for -qt\n");
1943 IF_PAR_DEBUG(verbose,
1944 errorBelch("-qt<n>: max %d threads",
1945 RtsFlags.ParFlags.maxThreads));
1949 if (rts_argv[arg][3] != '\0')
1950 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1952 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1954 IF_PAR_DEBUG(verbose,
1955 errorBelch("-qf<n>: max %d fishes sent out at one time",
1956 RtsFlags.ParFlags.maxFishes));
1960 if (rts_argv[arg][3] != '\0') {
1961 RtsFlags.ParFlags.fishDelay
1962 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1964 errorBelch("missing fish delay time for -qF\n");
1967 IF_PAR_DEBUG(verbose,
1968 errorBelch("-qF<n>: fish delay time %d us",
1969 RtsFlags.ParFlags.fishDelay));
1973 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1974 IF_PAR_DEBUG(verbose,
1975 errorBelch("-qO: output disabled"));
1978 case 'g': /* -qg<n> ... globalisation scheme */
1979 if (rts_argv[arg][3] != '\0') {
1980 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1982 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
1985 IF_PAR_DEBUG(verbose,
1986 debugBelch("-qg<n>: globalisation scheme set to %d",
1987 RtsFlags.ParFlags.globalising));
1990 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1991 if (rts_argv[arg][3] != '\0') {
1992 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1994 errorBelch("missing number of thunks per packet (for -qh)\n");
1997 IF_PAR_DEBUG(verbose,
1998 debugBelch("-qh<n>: thunks per packet set to %d",
1999 RtsFlags.ParFlags.thunksToPack));
2002 case 'P': /* -qP for writing a log file */
2003 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2004 /* same encoding as in GranSim after -bP */
2005 switch(rts_argv[arg][3]) {
2006 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2007 break; // nothing special, just an ordinary profile
2008 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2009 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2011 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2013 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2015 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2017 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2020 # if defined(PAR_TICKY)
2021 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2023 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2024 stg_exit(EXIT_FAILURE);
2027 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2029 IF_PAR_DEBUG(verbose,
2030 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2031 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2034 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2035 if (rts_argv[arg][3] != '\0') {
2036 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2038 errorBelch("missing size of PackBuffer (for -qQ)\n");
2041 IF_PAR_DEBUG(verbose,
2042 debugBelch("-qQ<n>: pack buffer size set to %d",
2043 RtsFlags.ParFlags.packBufferSize));
2047 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2048 IF_PAR_DEBUG(verbose,
2049 debugBelch("-qR: fair-ish scheduling"));
2054 if (rts_argv[arg][3] != '\0') {
2055 RtsFlags.ParFlags.wait
2056 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2058 RtsFlags.ParFlags.wait = 1000;
2060 IF_PAR_DEBUG(verbose,
2061 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2062 RtsFlags.ParFlags.wait));
2065 case 'D': /* -qD ... all the debugging options */
2066 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2067 /* hack warning: interpret the flags as a binary number */
2068 nat n = decode(rts_argv[arg]+3);
2069 set_par_debug_options(n);
2072 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2073 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2076 if (i==MAX_PAR_DEBUG_OPTION+1) {
2077 errorBelch("Valid GUM debug options are:\n");
2078 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2079 bad_option( rts_argv[arg] );
2080 } else { // flag found; now set it
2081 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2087 errorBelch("Unknown option -q%c (%d opts in total)",
2088 rts_argv[arg][2], *rts_argc);
2094 Interpret n as a binary number masking Par debug options and set the
2095 correxponding option. See par_debug_opts_strs for explanations of the flags.
2098 set_par_debug_options(nat n) {
2101 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2103 debugBelch(par_debug_opts_strs[i]);
2105 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2106 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2107 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2108 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2109 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2110 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2111 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2112 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2113 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2114 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2115 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2116 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2117 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2118 default: barf("set_par_debug_options: only %d debug options expected",
2119 MAX_PAR_DEBUG_OPTION);
2125 Print one line explanation for each of the GranSim debug options specified
2129 help_par_debug_options(nat n) {
2132 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2134 debugBelch(par_debug_opts_strs[i]);
2140 stats_fprintf(FILE *f, char *s, ...)
2152 static int /* return -1 on error */
2155 int argc, char *argv[],
2156 int rts_argc, char *rts_argv[],
2157 const char *FILENAME_FMT,
2162 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2163 f = NULL; /* NULL means use debugBelch */
2165 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2166 f = fopen(rts_argv[arg]+2,"w");
2168 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2169 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2170 f = fopen(stats_filename,"w");
2173 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2180 /* Write argv and rtsv into start of stats file */
2182 for(count = 0; count < argc; count++) {
2183 stats_fprintf(f, "%s ", argv[count]);
2185 stats_fprintf(f, "+RTS ");
2186 for(count = 0; count < rts_argc; count++)
2187 stats_fprintf(f, "%s ", rts_argv[count]);
2188 stats_fprintf(f, "\n");
2196 decode(const char *s)
2207 if (c == 'g' || c == 'G')
2208 m *= 1000*1000*1000; /* UNchecked! */
2209 else if (c == 'm' || c == 'M')
2210 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2211 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2212 m *= 1000; /* a direct-mapped cache. */
2213 else if (c == 'w' || c == 'W')
2220 bad_option(const char *s)
2222 errorBelch("bad RTS option: %s", s);
2223 stg_exit(EXIT_FAILURE);
2226 /* -----------------------------------------------------------------------------
2227 Getting/Setting the program's arguments.
2229 These are used by System.Environment, and parts of the RTS.
2230 -------------------------------------------------------------------------- */
2233 setProgName(char *argv[])
2235 /* Remove directory from argv[0] -- default files in current directory */
2236 #if !defined(mingw32_HOST_OS)
2238 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2239 prog_name = last_slash+1;
2241 prog_name = argv[0];
2244 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2245 while ( last_slash > argv[0] ) {
2246 if ( *last_slash == '/' || *last_slash == '\\' ) {
2247 prog_name = last_slash+1;
2252 prog_name = argv[0];
2257 getProgArgv(int *argc, char **argv[])
2259 if (argc) { *argc = prog_argc; }
2260 if (argv) { *argv = prog_argv; }
2264 setProgArgv(int argc, char *argv[])
2266 /* Usually this is done by startupHaskell, so we don't need to call this.
2267 However, sometimes Hugs wants to change the arguments which Haskell
2268 getArgs >>= ... will be fed. So you can do that by calling here
2269 _after_ calling startupHaskell.
2273 setProgName(prog_argv);