1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.68 2003/04/21 14:45:28 sof Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
24 #include "PosixSource.h"
28 #include "BlockAlloc.h"
29 #include "Timer.h" /* CS_MIN_MILLISECS */
30 #include "Profiling.h"
39 extern struct RTS_FLAGS RtsFlags;
42 * Split argument lists
44 int prog_argc = 0; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 int rts_argc = 0; /* ditto */
47 char *rts_argv[MAX_RTS_ARGS];
49 //@node Constants, Static function decls, Includes
50 //@subsection Constants
53 * constants, used later
60 static char *gran_debug_opts_strs[] = {
61 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
62 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
63 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
64 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
65 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
66 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
67 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
68 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
69 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
70 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
71 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
72 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
73 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
74 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
75 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
78 /* one character codes for the available debug options */
79 static char gran_debug_opts_flags[] = {
80 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
85 static char *par_debug_opts_strs[] = {
86 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
87 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
88 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
89 "DEBUG (-qDe, -qD8): free; free messages.\n",
90 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
91 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
92 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
93 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
94 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
95 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
96 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
97 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
98 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
99 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
102 /* one character codes for the available debug options */
103 static char par_debug_opts_flags[] = {
104 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
109 //@node Static function decls, Command-line option parsing routines, Constants
110 //@subsection Static function decls
112 /* -----------------------------------------------------------------------------
113 Static function decls
114 -------------------------------------------------------------------------- */
116 static FILE * /* return NULL on error */
119 int argc, char *argv[],
120 int rts_argc, char *rts_argv[],
121 const char *FILENAME_FMT);
123 static I_ decode(const char *s);
124 static void bad_option(const char *s);
127 static void enable_GranSimLight(void);
128 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
129 static void set_GranSim_debug_options(nat n);
130 static void help_GranSim_debug_options(nat n);
132 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
133 static void set_par_debug_options(nat n);
134 static void help_par_debug_options(nat n);
137 //@node Command-line option parsing routines, GranSim specific options, Static function decls
138 //@subsection Command-line option parsing routines
140 /* -----------------------------------------------------------------------------
141 * Command-line option parsing routines.
142 * ---------------------------------------------------------------------------*/
144 void initRtsFlagsDefaults(void)
146 RtsFlags.GcFlags.statsFile = NULL;
147 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
149 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
150 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
152 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
153 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
154 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
155 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
156 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
157 RtsFlags.GcFlags.oldGenFactor = 2;
159 /* A hack currently needed for GUM -- HWL */
160 RtsFlags.GcFlags.generations = 1;
161 RtsFlags.GcFlags.steps = 2;
162 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
164 RtsFlags.GcFlags.generations = 2;
165 RtsFlags.GcFlags.steps = 2;
166 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
168 RtsFlags.GcFlags.compact = rtsFalse;
169 RtsFlags.GcFlags.compactThreshold = 30.0;
170 #ifdef RTS_GTK_FRONTPANEL
171 RtsFlags.GcFlags.frontpanel = rtsFalse;
175 RtsFlags.DebugFlags.scheduler = rtsFalse;
176 RtsFlags.DebugFlags.interpreter = rtsFalse;
177 RtsFlags.DebugFlags.codegen = rtsFalse;
178 RtsFlags.DebugFlags.weak = rtsFalse;
179 RtsFlags.DebugFlags.gccafs = rtsFalse;
180 RtsFlags.DebugFlags.gc = rtsFalse;
181 RtsFlags.DebugFlags.block_alloc = rtsFalse;
182 RtsFlags.DebugFlags.sanity = rtsFalse;
183 RtsFlags.DebugFlags.stable = rtsFalse;
184 RtsFlags.DebugFlags.prof = rtsFalse;
185 RtsFlags.DebugFlags.gran = rtsFalse;
186 RtsFlags.DebugFlags.par = rtsFalse;
187 RtsFlags.DebugFlags.linker = rtsFalse;
190 #if defined(PROFILING) || defined(PAR)
191 RtsFlags.CcFlags.doCostCentres = 0;
192 #endif /* PROFILING or PAR */
195 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
196 RtsFlags.ProfFlags.profileInterval = 100;
197 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
198 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
199 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
200 RtsFlags.ProfFlags.modSelector = NULL;
201 RtsFlags.ProfFlags.descrSelector = NULL;
202 RtsFlags.ProfFlags.typeSelector = NULL;
203 RtsFlags.ProfFlags.ccSelector = NULL;
204 RtsFlags.ProfFlags.ccsSelector = NULL;
205 RtsFlags.ProfFlags.retainerSelector = NULL;
206 RtsFlags.ProfFlags.bioSelector = NULL;
209 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
212 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
215 RtsFlags.ParFlags.nNodes = 1;
219 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
220 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
221 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
222 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
223 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
224 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
225 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
227 RtsFlags.ParFlags.outputDisabled = rtsFalse;
229 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
231 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
233 RtsFlags.ParFlags.packBufferSize = 1024;
234 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
235 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
236 RtsFlags.ParFlags.maxThreads = 1024;
237 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
238 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
241 #if defined(PAR) || defined(SMP)
242 RtsFlags.ParFlags.maxLocalSparks = 4096;
243 #endif /* PAR || SMP */
246 /* ToDo: check defaults for GranSim and GUM */
247 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
248 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
250 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
251 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
252 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
253 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
254 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
255 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
256 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
257 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
259 RtsFlags.GranFlags.packBufferSize = 1024;
260 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
262 RtsFlags.GranFlags.proc = MAX_PROC;
263 RtsFlags.GranFlags.Fishing = rtsFalse;
264 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
265 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
266 RtsFlags.GranFlags.Light = rtsFalse;
268 RtsFlags.GranFlags.Costs.latency = LATENCY;
269 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
270 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
271 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
272 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
273 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
274 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
275 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
277 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
278 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
279 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
280 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
281 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
283 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
284 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
285 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
286 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
287 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
289 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
291 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
292 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
294 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
295 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
296 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
297 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
298 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
299 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
300 RtsFlags.GranFlags.FetchStrategy = 2;
301 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
302 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
303 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
304 RtsFlags.GranFlags.SparkPriority = 0;
305 RtsFlags.GranFlags.SparkPriority2 = 0;
306 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
307 RtsFlags.GranFlags.InversePriorities = rtsFalse;
308 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
309 RtsFlags.GranFlags.ThunksToPack = 0;
310 RtsFlags.GranFlags.RandomSteal = rtsTrue;
314 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
315 RtsFlags.TickyFlags.tickyFile = NULL;
322 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
324 " +RTS Indicates run time system options follow",
325 " -RTS Indicates program arguments follow",
326 " --RTS Indicates that ALL subsequent arguments will be given to the",
327 " program (including any of these RTS flags)",
329 "The following run time system options are available:",
331 " -? Prints this message and exits; the program is not executed",
333 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
334 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
336 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
337 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
338 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
339 " -m<n> Minimum % of heap which must be available (default 3%)",
340 " -G<n> Number of generations (default: 2)",
341 " -T<n> Number of steps in younger generations (default: 2)",
342 " -c<n> Auto-enable compaction of the oldest generation when live data is",
343 " at least <n>% of the maximum heap size set with -M (default: 30%)",
344 " -c Enable compaction for all major collections",
346 " -t<file> One-line GC statistics (default file: <program>.stat)",
347 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
348 " -S<file> Detailed GC statistics",
349 #ifdef RTS_GTK_FRONTPANEL
350 " -f Display front panel (requires X11 & GTK+)",
354 " -Z Don't squeeze out update frames on stack overflow",
355 " -B Sound the bell at the start of each garbage collection",
356 #if defined(PROFILING) || defined(PAR)
358 " -px Time/allocation profile (XML) (output file <program>.prof)",
359 " -p Time/allocation profile (output file <program>.prof)",
360 " -P More detailed Time/Allocation profile",
361 " -Pa Give information about *all* cost centres",
363 # if defined(PROFILING)
365 " -hx Heap residency profile (XML) (output file <program>.prof)",
366 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
367 " break-down: c = cost centre stack (default)",
369 " d = closure description",
370 " y = type description",
372 " b = biography (LAG,DRAG,VOID,USE)",
373 " A subset of closures may be selected thusly:",
374 " -hc<cc>,... specific cost centre(s) (top of stack only)",
375 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
376 " -hm<mod>... all cost centres from the specified modules(s)",
377 " -hd<des>,... closures with specified closure descriptions",
378 " -hy<typ>... closures with specified type descriptions",
379 " -hr<cc>... closures with specified retainers",
380 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
382 " -R<size> Set the maximum retainer set size (default: 8)",
384 " -i<sec> Time between heap samples (seconds, default: 0.1)",
386 " -xt Include threads (TSOs) in a heap profile",
388 " -xc Show current cost centre stack on raising an exception",
390 #endif /* PROFILING or PAR */
391 #if !defined(PROFILING) && defined(DEBUG)
393 " -h<break-down> Debugging Heap residency profile",
394 " (output file <program>.hp)",
395 " break-down: L = closure label (default)",
396 " T = closure type (constructor, thunk etc.)",
399 #if defined(TICKY_TICKY)
400 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
404 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
405 /* NB: the -N<n> is implemented by the driver!! */
407 " -C<secs> Context-switch interval in seconds",
408 " (0 or no argument means switch as often as possible)",
409 " the default is .02 sec; resolution is .02 sec",
412 " -Ds DEBUG: scheduler",
413 " -Di DEBUG: interpreter",
414 " -Dc DEBUG: codegen",
416 " -DG DEBUG: gccafs",
419 " -DS DEBUG: sanity",
420 " -Dt DEBUG: stable",
424 " -Dl DEBUG: linker",
428 " -N<n> Use <n> OS threads (default: 1)",
430 #if defined(SMP) || defined(PAR)
431 " -e<size> Size of spark pools (default 100)",
434 " -t<num> Set maximum number of advisory threads per PE (default 32)",
435 " -qP Enable activity profile (output files in ~/<program>*.gr)",
436 " -qQ<size> Set pack-buffer size (default: 1024)",
437 " -qd Turn on PVM-ish debugging",
438 " -qO Disable output for performance measurement",
440 #if defined(SMP) || defined(PAR)
441 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
444 " -d Turn on PVM-ish debugging",
445 " -O Disable output for performance measurement",
447 #if defined(GRAN) /* ToDo: fill in decent Docu here */
448 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
451 "RTS options may also be specified using the GHCRTS environment variable.",
453 "Other RTS options may be available for programs compiled a different way.",
454 "The GHC User's Guide has full details.",
459 static __inline__ rtsBool
460 strequal(const char *a, const char * b)
462 return(strcmp(a, b) == 0);
466 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
472 while (isspace(*c1)) { c1++; };
474 while (!isspace(*c2) && *c2 != '\0') { c2++; };
476 if (c1 == c2) { break; }
478 if (*rts_argc < MAX_RTS_ARGS-1) {
479 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
480 strncpy(s, c1, c2-c1);
482 rts_argv[(*rts_argc)++] = s;
484 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
488 } while (*c1 != '\0');
492 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
494 rtsBool error = rtsFalse;
499 /* Remove directory from argv[0] -- default files in current directory */
501 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
502 strcpy(argv[0], last_slash+1);
510 // process arguments from the ghc_rts_opts global variable first.
511 // (arguments from the GHCRTS environment variable and the command
512 // line override these).
514 if (ghc_rts_opts != NULL) {
515 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
519 // process arguments from the GHCRTS environment variable next
520 // (arguments from the command line override these).
522 char *ghc_rts = getenv("GHCRTS");
524 if (ghc_rts != NULL) {
525 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
529 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
530 // argv[0] must be PGM argument -- leave in argv
532 for (mode = PGM; arg < total_arg; arg++) {
533 // The '--RTS' argument disables all future +RTS ... -RTS processing.
534 if (strequal("--RTS", argv[arg])) {
538 // The '--' argument is passed through to the program, but
539 // disables all further +RTS ... -RTS processing.
540 else if (strequal("--", argv[arg])) {
543 else if (strequal("+RTS", argv[arg])) {
546 else if (strequal("-RTS", argv[arg])) {
549 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
550 rts_argv[(*rts_argc)++] = argv[arg];
552 else if (mode == PGM) {
553 argv[(*argc)++] = argv[arg];
556 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
559 // process remaining program arguments
560 for (; arg < total_arg; arg++) {
561 argv[(*argc)++] = argv[arg];
563 argv[*argc] = (char *) 0;
564 rts_argv[*rts_argc] = (char *) 0;
566 // Process RTS (rts_argv) part: mainly to determine statsfile
567 for (arg = 0; arg < *rts_argc; arg++) {
568 if (rts_argv[arg][0] != '-') {
570 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
574 switch(rts_argv[arg][1]) {
576 /* process: general args, then PROFILING-only ones,
577 then CONCURRENT-only, PARallel-only, GRAN-only,
578 TICKY-only (same order as defined in RtsFlags.lh);
579 within those groups, mostly in case-insensitive
581 Final group is x*, which allows for more options.
585 # define TICKY_BUILD_ONLY(x) x
587 # define TICKY_BUILD_ONLY(x) \
588 prog_belch("GHC not built for: ticky-ticky stats"); \
592 #if defined(PROFILING)
593 # define COST_CENTRE_USING_BUILD_ONLY(x) x
595 # define COST_CENTRE_USING_BUILD_ONLY(x) \
596 prog_belch("GHC not built for: -prof or -parallel"); \
601 # define PROFILING_BUILD_ONLY(x) x
603 # define PROFILING_BUILD_ONLY(x) \
604 prog_belch("GHC not built for: -prof"); \
609 # define SMP_BUILD_ONLY(x) x
611 # define SMP_BUILD_ONLY(x) \
612 prog_belch("GHC not built for: -smp"); \
617 # define PAR_BUILD_ONLY(x) x
619 # define PAR_BUILD_ONLY(x) \
620 prog_belch("GHC not built for: -parallel"); \
624 #if defined(SMP) || defined(PAR)
625 # define PAR_OR_SMP_BUILD_ONLY(x) x
627 # define PAR_OR_SMP_BUILD_ONLY(x) \
628 prog_belch("GHC not built for: -parallel or -smp"); \
633 # define GRAN_BUILD_ONLY(x) x
635 # define GRAN_BUILD_ONLY(x) \
636 prog_belch("GHC not built for: -gransim"); \
640 /* =========== GENERAL ========================== */
646 RtsFlags.GcFlags.minAllocAreaSize
647 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
648 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
649 bad_option(rts_argv[arg]);
654 RtsFlags.GcFlags.ringBell = rtsTrue;
658 if (rts_argv[arg][2] != '\0') {
659 RtsFlags.GcFlags.compactThreshold =
660 atof(rts_argv[arg]+2);
662 RtsFlags.GcFlags.compact = rtsTrue;
667 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
669 if (RtsFlags.GcFlags.oldGenFactor < 0)
670 bad_option( rts_argv[arg] );
678 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
681 RtsFlags.DebugFlags.scheduler = rtsTrue;
684 RtsFlags.DebugFlags.interpreter = rtsTrue;
687 RtsFlags.DebugFlags.codegen = rtsTrue;
690 RtsFlags.DebugFlags.weak = rtsTrue;
693 RtsFlags.DebugFlags.gccafs = rtsTrue;
696 RtsFlags.DebugFlags.gc = rtsTrue;
699 RtsFlags.DebugFlags.block_alloc = rtsTrue;
702 RtsFlags.DebugFlags.sanity = rtsTrue;
705 RtsFlags.DebugFlags.stable = rtsTrue;
708 RtsFlags.DebugFlags.prof = rtsTrue;
711 RtsFlags.DebugFlags.gran = rtsTrue;
714 RtsFlags.DebugFlags.par = rtsTrue;
717 RtsFlags.DebugFlags.linker = rtsTrue;
720 RtsFlags.DebugFlags.apply = rtsTrue;
723 bad_option( rts_argv[arg] );
731 RtsFlags.GcFlags.maxStkSize =
732 decode(rts_argv[arg]+2) / sizeof(W_);
734 if (RtsFlags.GcFlags.maxStkSize == 0)
735 bad_option( rts_argv[arg] );
739 RtsFlags.GcFlags.initialStkSize =
740 decode(rts_argv[arg]+2) / sizeof(W_);
742 if (RtsFlags.GcFlags.initialStkSize == 0)
743 bad_option( rts_argv[arg] );
747 RtsFlags.GcFlags.maxHeapSize =
748 decode(rts_argv[arg]+2) / BLOCK_SIZE;
749 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
751 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
752 bad_option(rts_argv[arg]);
757 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
759 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
760 RtsFlags.GcFlags.pcFreeHeap > 100)
761 bad_option( rts_argv[arg] );
765 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
766 if (RtsFlags.GcFlags.generations < 1) {
767 bad_option(rts_argv[arg]);
772 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
773 if (RtsFlags.GcFlags.steps < 1) {
774 bad_option(rts_argv[arg]);
779 RtsFlags.GcFlags.heapSizeSuggestion =
780 decode(rts_argv[arg]+2) / BLOCK_SIZE;
782 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
783 bad_option(rts_argv[arg]);
787 #ifdef RTS_GTK_FRONTPANEL
789 RtsFlags.GcFlags.frontpanel = rtsTrue;
794 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
798 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
802 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
807 /* Opening all those files would almost certainly fail... */
808 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
809 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
811 RtsFlags.GcFlags.statsFile
812 = open_stats_file(arg, *argc, argv,
813 *rts_argc, rts_argv, STAT_FILENAME_FMT);
815 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
820 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
823 /* =========== PROFILING ========================== */
825 case 'P': /* detailed cost centre profiling (time/alloc) */
826 case 'p': /* cost centre profiling (time/alloc) */
827 COST_CENTRE_USING_BUILD_ONLY(
828 switch (rts_argv[arg][2]) {
830 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
833 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
836 if (rts_argv[arg][1] == 'P') {
837 RtsFlags.CcFlags.doCostCentres =
838 COST_CENTRES_VERBOSE;
840 RtsFlags.CcFlags.doCostCentres =
841 COST_CENTRES_SUMMARY;
848 PROFILING_BUILD_ONLY(
849 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
852 case 'h': /* serial heap profile */
853 #if !defined(PROFILING) && defined(DEBUG)
854 switch (rts_argv[arg][2]) {
857 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
860 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
863 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
867 PROFILING_BUILD_ONLY(
868 switch (rts_argv[arg][2]) {
882 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
884 char *left = strchr(rts_argv[arg], '{');
885 char *right = strrchr(rts_argv[arg], '}');
887 // curly braces are optional, for
892 left = rts_argv[arg] + 3;
895 right = rts_argv[arg] + strlen(rts_argv[arg]);
899 switch (rts_argv[arg][2]) {
900 case 'c': // cost centre label select
901 RtsFlags.ProfFlags.ccSelector = left;
904 RtsFlags.ProfFlags.ccsSelector = left;
907 case 'm': // cost centre module select
908 RtsFlags.ProfFlags.modSelector = left;
911 case 'd': // closure descr select
912 RtsFlags.ProfFlags.descrSelector = left;
915 case 'y': // closure type select
916 RtsFlags.ProfFlags.typeSelector = left;
919 case 'r': // retainer select
920 RtsFlags.ProfFlags.retainerSelector = left;
923 case 'b': // biography select
924 RtsFlags.ProfFlags.bioSelector = left;
931 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
932 prog_belch("multiple heap profile options");
937 switch (rts_argv[arg][2]) {
941 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
945 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
949 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
953 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
957 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
961 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
967 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
974 #if defined(PROFILING)
975 case 'i': /* heap sample interval */
976 if (rts_argv[arg][2] == '\0') {
981 /* Convert to milliseconds */
982 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
983 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
984 if (cst != 0 && cst < CS_MIN_MILLISECS)
985 cst = CS_MIN_MILLISECS;
987 RtsFlags.ProfFlags.profileInterval = cst;
992 /* =========== CONCURRENT ========================= */
993 case 'C': /* context switch interval */
994 if (rts_argv[arg][2] == '\0')
995 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
999 /* Convert to milliseconds */
1000 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1001 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1002 if (cst != 0 && cst < CS_MIN_MILLISECS)
1003 cst = CS_MIN_MILLISECS;
1005 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1012 if (rts_argv[arg][2] != '\0') {
1013 RtsFlags.ParFlags.nNodes
1014 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1015 if (RtsFlags.ParFlags.nNodes <= 0) {
1016 prog_belch("bad value for -N");
1022 /* =========== PARALLEL =========================== */
1024 PAR_OR_SMP_BUILD_ONLY(
1025 if (rts_argv[arg][2] != '\0') {
1026 RtsFlags.ParFlags.maxLocalSparks
1027 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1028 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1029 prog_belch("bad value for -e");
1037 process_par_option(arg, rts_argc, rts_argv, &error);
1040 /* =========== GRAN =============================== */
1044 process_gran_option(arg, rts_argc, rts_argv, &error);
1047 /* =========== TICKY ============================== */
1049 case 'r': /* Basic profiling stats */
1052 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1053 RtsFlags.TickyFlags.tickyFile
1054 = open_stats_file(arg, *argc, argv,
1055 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
1057 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
1060 /* =========== EXTENDED OPTIONS =================== */
1062 case 'x': /* Extend the argument space */
1063 switch(rts_argv[arg][2]) {
1065 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
1069 case 'c': /* Debugging tool: show current cost centre on an exception */
1070 PROFILING_BUILD_ONLY(
1071 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1075 case 't': /* Include memory used by TSOs in a heap profile */
1076 PROFILING_BUILD_ONLY(
1077 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1081 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1084 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1088 break; /* defensive programming */
1090 /* =========== OH DEAR ============================ */
1092 prog_belch("unknown RTS option: %s",rts_argv[arg]);
1102 for (p = usage_text; *p; p++)
1104 stg_exit(EXIT_FAILURE);
1110 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1111 //@subsection GranSim specific options
1114 enable_GranSimLight(void) {
1116 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1117 RtsFlags.GranFlags.Light=rtsTrue;
1118 RtsFlags.GranFlags.Costs.latency =
1119 RtsFlags.GranFlags.Costs.fetchtime =
1120 RtsFlags.GranFlags.Costs.additional_latency =
1121 RtsFlags.GranFlags.Costs.gunblocktime =
1122 RtsFlags.GranFlags.Costs.lunblocktime =
1123 RtsFlags.GranFlags.Costs.threadcreatetime =
1124 RtsFlags.GranFlags.Costs.threadqueuetime =
1125 RtsFlags.GranFlags.Costs.threadscheduletime =
1126 RtsFlags.GranFlags.Costs.threaddescheduletime =
1127 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1129 RtsFlags.GranFlags.Costs.mpacktime =
1130 RtsFlags.GranFlags.Costs.munpacktime = 0;
1132 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1133 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1134 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1135 /* FetchStrategy is irrelevant in GrAnSim-Light */
1137 /* GrAnSim Light often creates an abundance of parallel threads,
1138 each with its own stack etc. Therefore, it's in general a good
1139 idea to use small stack chunks (use the -o<size> option to
1142 // RtsFlags.ConcFlags.stkChunkSize = 100;
1144 RtsFlags.GranFlags.proc = 1;
1148 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1150 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1153 /* or a ridiculously idealised simulator */
1154 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1155 RtsFlags.GranFlags.Costs.latency =
1156 RtsFlags.GranFlags.Costs.fetchtime =
1157 RtsFlags.GranFlags.Costs.additional_latency =
1158 RtsFlags.GranFlags.Costs.gunblocktime =
1159 RtsFlags.GranFlags.Costs.lunblocktime =
1160 RtsFlags.GranFlags.Costs.threadcreatetime =
1161 RtsFlags.GranFlags.Costs.threadqueuetime =
1162 RtsFlags.GranFlags.Costs.threadscheduletime =
1163 RtsFlags.GranFlags.Costs.threaddescheduletime =
1164 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1166 RtsFlags.GranFlags.Costs.mpacktime =
1167 RtsFlags.GranFlags.Costs.munpacktime = 0;
1169 RtsFlags.GranFlags.Costs.arith_cost =
1170 RtsFlags.GranFlags.Costs.float_cost =
1171 RtsFlags.GranFlags.Costs.load_cost =
1172 RtsFlags.GranFlags.Costs.store_cost =
1173 RtsFlags.GranFlags.Costs.branch_cost = 0;
1175 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1177 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1178 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1179 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1180 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1184 /* or a somewhat idealised simulator */
1185 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1186 RtsFlags.GranFlags.Costs.latency =
1187 RtsFlags.GranFlags.Costs.fetchtime =
1188 RtsFlags.GranFlags.Costs.additional_latency =
1189 RtsFlags.GranFlags.Costs.gunblocktime =
1190 RtsFlags.GranFlags.Costs.lunblocktime =
1191 RtsFlags.GranFlags.Costs.threadcreatetime =
1192 RtsFlags.GranFlags.Costs.threadqueuetime =
1193 RtsFlags.GranFlags.Costs.threadscheduletime =
1194 RtsFlags.GranFlags.Costs.threaddescheduletime =
1195 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1197 RtsFlags.GranFlags.Costs.mpacktime =
1198 RtsFlags.GranFlags.Costs.munpacktime = 0;
1200 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1202 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1203 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1204 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1205 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1206 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1207 # if defined(GRAN_CHECK) && defined(GRAN)
1208 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1213 /* Communication and task creation cost parameters */
1214 switch(rts_argv[arg][2]) {
1216 IgnoreYields = rtsTrue; // HWL HACK
1220 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1224 if (rts_argv[arg][3] != '\0')
1226 RtsFlags.GranFlags.Costs.gunblocktime =
1227 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1228 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1231 RtsFlags.GranFlags.Costs.latency = LATENCY;
1235 if (rts_argv[arg][3] != '\0')
1236 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1238 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1242 if (rts_argv[arg][3] != '\0')
1243 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1245 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1249 if (rts_argv[arg][3] != '\0')
1250 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1252 RtsFlags.GranFlags.Costs.mtidytime = 0;
1256 if (rts_argv[arg][3] != '\0')
1257 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1259 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1263 if (rts_argv[arg][3] != '\0')
1264 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1266 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1270 if (rts_argv[arg][3] != '\0')
1271 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1273 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1277 if (rts_argv[arg][3] != '\0')
1278 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1280 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1283 /* Thread-related metrics */
1285 if (rts_argv[arg][3] != '\0')
1286 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1288 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1292 if (rts_argv[arg][3] != '\0')
1293 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1295 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1299 if (rts_argv[arg][3] != '\0')
1300 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1302 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1304 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1305 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1309 if (rts_argv[arg][3] != '\0')
1310 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1312 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1314 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1315 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1318 /* Instruction Cost Metrics */
1320 if (rts_argv[arg][3] != '\0')
1321 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1323 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1327 if (rts_argv[arg][3] != '\0')
1328 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1330 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1334 if (rts_argv[arg][3] != '\0')
1335 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1337 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1341 if (rts_argv[arg][3] != '\0')
1342 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1344 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1348 if (rts_argv[arg][3] != '\0')
1349 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1351 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1355 if (rts_argv[arg][3] != '\0')
1356 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1358 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1362 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1363 if (rts_argv[arg][3] != '\0')
1364 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1366 RtsFlags.GranFlags.FetchStrategy = 2;
1367 if (RtsFlags.GranFlags.FetchStrategy == 0)
1368 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1371 case 'K': /* sort overhead (per elem in spark list) */
1372 if (rts_argv[arg][3] != '\0')
1373 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1375 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1376 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1377 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1380 case 'O': /* sort overhead (per elem in spark list) */
1381 if (rts_argv[arg][3] != '\0')
1382 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1384 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1385 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1386 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1389 /* General Parameters */
1391 if (rts_argv[arg][3] != '\0')
1393 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1394 if (RtsFlags.GranFlags.proc==0) {
1395 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1396 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1397 RtsFlags.GranFlags.proc < 1)
1399 fprintf(stderr,"setupRtsFlags: no more than %u processors allowed\n",
1405 RtsFlags.GranFlags.proc = MAX_PROC;
1409 RtsFlags.GranFlags.Fishing = rtsTrue;
1410 if (rts_argv[arg][3] != '\0')
1411 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1413 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1417 if (rts_argv[arg][3] != '\0')
1418 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1420 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1424 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1425 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1429 fprintf(stderr,"Bulk fetching enabled.\n");
1430 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1434 fprintf(stderr,"Thread migration enabled.\n");
1435 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1439 fprintf(stderr,"Fair Scheduling enabled.\n");
1440 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1444 fprintf(stderr,"Priority Scheduling enabled.\n");
1445 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1449 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1450 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1454 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1458 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1462 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1466 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1470 /* format is -bP<c> where <c> is one char describing kind of profile */
1471 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1472 switch(rts_argv[arg][3]) {
1473 case '\0': break; // nothing special, just an ordinary profile
1474 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1476 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1478 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1480 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1482 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1484 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1486 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1491 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1495 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1498 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1499 if (rts_argv[arg][3] != '\0') {
1502 arg0 = rts_argv[arg]+3;
1503 if ((tmp = strstr(arg0,","))==NULL) {
1504 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1505 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1508 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1509 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1510 fprintf(stderr,"SparkPriority: %u.\n",
1511 RtsFlags.GranFlags.SparkPriority);
1512 fprintf(stderr,"SparkPriority2:%u.\n",
1513 RtsFlags.GranFlags.SparkPriority2);
1514 if (RtsFlags.GranFlags.SparkPriority2 <
1515 RtsFlags.GranFlags.SparkPriority) {
1516 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1517 RtsFlags.GranFlags.SparkPriority2,
1518 RtsFlags.GranFlags.SparkPriority);
1522 /* plain pri spark is now invoked with -bX
1523 RtsFlags.GranFlags.DoPrioritySparking = 1;
1524 fprintf(stderr,"PrioritySparking.\n");
1530 if (rts_argv[arg][3] != '\0') {
1531 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1533 RtsFlags.GranFlags.ThunksToPack = 1;
1535 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1536 RtsFlags.GranFlags.ThunksToPack);
1540 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1541 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1544 /* The following class of options contains eXperimental */
1545 /* features in connection with exploiting granularity */
1546 /* information. I.e. if -bY is chosen these options */
1547 /* tell the RTS what to do with the supplied info --HWL */
1550 if (rts_argv[arg][3] != '\0') {
1551 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1553 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1555 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1556 RtsFlags.GranFlags.packBufferSize_internal);
1560 switch(rts_argv[arg][3]) {
1563 RtsFlags.GranFlags.DoPrioritySparking = 1;
1564 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1565 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1566 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1567 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1571 RtsFlags.GranFlags.DoPrioritySparking = 1;
1572 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1573 RtsFlags.GranFlags.InversePriorities++;
1577 RtsFlags.GranFlags.DoPrioritySparking = 1;
1578 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1579 RtsFlags.GranFlags.RandomPriorities++;
1583 RtsFlags.GranFlags.DoPrioritySparking = 1;
1584 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1585 RtsFlags.GranFlags.IgnorePriorities++;
1589 bad_option( rts_argv[arg] );
1595 switch(rts_argv[arg][3]) {
1598 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1599 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1603 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1607 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1611 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1615 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1616 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1620 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1624 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1628 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1632 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1636 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1640 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1644 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1648 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1649 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1653 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1657 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1661 bad_option( rts_argv[arg] );
1666 # if defined(GRAN_CHECK) && defined(GRAN)
1668 switch(rts_argv[arg][3]) {
1669 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1670 if (rts_argv[arg][4] != '\0') {
1671 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1672 fprintf(stderr,"Pack buffer size: %d\n",
1673 RtsFlags.GranFlags.packBufferSize);
1675 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1681 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1682 /* hack warning: interpret the flags as a binary number */
1683 nat n = decode(rts_argv[arg]+3);
1684 set_GranSim_debug_options(n);
1687 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1688 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1691 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1692 fprintf(stderr, "Valid GranSim debug options are:\n");
1693 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1694 bad_option( rts_argv[arg] );
1695 } else { // flag found; now set it
1696 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1702 case 'e': /* event trace; also -bD1 */
1703 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1704 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1705 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1708 case 'E': /* event statistics; also -bD2 */
1709 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1710 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1711 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1714 case 'f': /* thunkStealing; also -bD4 */
1715 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1716 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1717 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1720 case 'z': /* blockOnFetch; also -bD8 */
1721 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1722 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1723 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1726 case 't': /* blockOnFetch_sanity; also -bD16 */
1727 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1728 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1729 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1732 case 'S': /* priSpark; also -bD32 */
1733 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1734 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1737 case 's': /* priSched; also -bD64 */
1738 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1739 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1742 case 'F': /* findWork; also -bD128 */
1743 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1744 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1747 case 'g': /* globalBlock; also -bD256 */
1748 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1749 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1752 case 'G': /* pack; also -bD512 */
1753 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1754 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1757 case 'P': /* packBuffer; also -bD1024 */
1758 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1759 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1762 case 'o': /* sortedQ; also -bD2048 */
1763 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1764 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1767 case 'r': /* randomSteal; also -bD4096 */
1768 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1769 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1772 case 'q': /* checkSparkQ; also -bD8192 */
1773 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1774 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1777 case ':': /* checkLight; also -bD16384 */
1778 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1779 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1782 case 'b': /* bq; also -bD32768 */
1783 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1784 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1787 case 'd': /* all options turned on */
1788 fprintf(stderr,"DEBUG: all options turned on.\n");
1789 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1790 /* RtsFlags.GranFlags.Debug |= 0x40; */
1794 /* RtsFlags.GranFlags.Debug = 1; */
1800 # endif /* GRAN_CHECK */
1802 bad_option( rts_argv[arg] );
1808 Interpret n as a binary number masking GranSim debug options and set the
1809 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1812 set_GranSim_debug_options(nat n) {
1815 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1817 fprintf(stderr, gran_debug_opts_strs[i]);
1819 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1820 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1821 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1822 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1823 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1824 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1825 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1826 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1827 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1828 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1829 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1830 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1831 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1832 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1833 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1834 default: barf("set_GranSim_debug_options: only %d debug options expected");
1840 Print one line explanation for each of the GranSim debug options specified
1844 help_GranSim_debug_options(nat n) {
1847 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1849 fprintf(stderr, gran_debug_opts_strs[i]);
1855 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1858 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1859 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1863 /* Communication and task creation cost parameters */
1864 switch(rts_argv[arg][2]) {
1865 case 'e': /* -qe<n> ... allow <n> local sparks */
1866 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1867 RtsFlags.ParFlags.maxLocalSparks
1868 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1870 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1871 belch("setupRtsFlags: bad value for -e\n");
1875 IF_PAR_DEBUG(verbose,
1876 belch("-qe<n>: max %d local sparks",
1877 RtsFlags.ParFlags.maxLocalSparks));
1881 if (rts_argv[arg][3] != '\0') {
1882 RtsFlags.ParFlags.maxThreads
1883 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1885 belch("setupRtsFlags: missing size for -qt\n");
1888 IF_PAR_DEBUG(verbose,
1889 belch("-qt<n>: max %d threads",
1890 RtsFlags.ParFlags.maxThreads));
1894 if (rts_argv[arg][3] != '\0')
1895 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1897 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1899 IF_PAR_DEBUG(verbose,
1900 belch("-qf<n>: max %d fishes sent out at one time",
1901 RtsFlags.ParFlags.maxFishes));
1905 if (rts_argv[arg][3] != '\0') {
1906 RtsFlags.ParFlags.fishDelay
1907 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1909 belch("setupRtsFlags: missing fish delay time for -qF\n");
1912 IF_PAR_DEBUG(verbose,
1913 belch("-qF<n>: fish delay time %d us",
1914 RtsFlags.ParFlags.fishDelay));
1918 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1919 IF_PAR_DEBUG(verbose,
1920 belch("-qO: output disabled"));
1923 case 'g': /* -qg<n> ... globalisation scheme */
1924 if (rts_argv[arg][3] != '\0') {
1925 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1927 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1930 IF_PAR_DEBUG(verbose,
1931 belch("-qg<n>: globalisation scheme set to %d",
1932 RtsFlags.ParFlags.globalising));
1935 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1936 if (rts_argv[arg][3] != '\0') {
1937 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1939 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1942 IF_PAR_DEBUG(verbose,
1943 belch("-qh<n>: thunks per packet set to %d",
1944 RtsFlags.ParFlags.thunksToPack));
1947 case 'P': /* -qP for writing a log file */
1948 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1949 /* same encoding as in GranSim after -bP */
1950 switch(rts_argv[arg][3]) {
1951 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1952 break; // nothing special, just an ordinary profile
1953 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1954 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1956 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1958 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1960 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1962 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1965 # if defined(PAR_TICKY)
1966 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1968 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1969 stg_exit(EXIT_FAILURE);
1972 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1974 IF_PAR_DEBUG(verbose,
1975 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1976 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1979 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1980 if (rts_argv[arg][3] != '\0') {
1981 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1983 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1986 IF_PAR_DEBUG(verbose,
1987 belch("-qQ<n>: pack buffer size set to %d",
1988 RtsFlags.ParFlags.packBufferSize));
1992 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1993 IF_PAR_DEBUG(verbose,
1994 belch("-qR: fair-ish scheduling"));
1999 if (rts_argv[arg][3] != '\0') {
2000 RtsFlags.ParFlags.wait
2001 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2003 RtsFlags.ParFlags.wait = 1000;
2005 IF_PAR_DEBUG(verbose,
2006 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
2007 RtsFlags.ParFlags.wait));
2010 case 'D': /* -qD ... all the debugging options */
2011 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2012 /* hack warning: interpret the flags as a binary number */
2013 nat n = decode(rts_argv[arg]+3);
2014 set_par_debug_options(n);
2017 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2018 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2021 if (i==MAX_PAR_DEBUG_OPTION+1) {
2022 fprintf(stderr, "Valid GUM debug options are:\n");
2023 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2024 bad_option( rts_argv[arg] );
2025 } else { // flag found; now set it
2026 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2032 belch("Unknown option -q%c (%d opts in total)",
2033 rts_argv[arg][2], *rts_argc);
2039 Interpret n as a binary number masking Par debug options and set the
2040 correxponding option. See par_debug_opts_strs for explanations of the flags.
2043 set_par_debug_options(nat n) {
2046 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2048 fprintf(stderr, par_debug_opts_strs[i]);
2050 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2051 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2052 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2053 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2054 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2055 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2056 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2057 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2058 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2059 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2060 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2061 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2062 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2063 default: barf("set_par_debug_options: only %d debug options expected",
2064 MAX_PAR_DEBUG_OPTION);
2070 Print one line explanation for each of the GranSim debug options specified
2074 help_par_debug_options(nat n) {
2077 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2079 fprintf(stderr, par_debug_opts_strs[i]);
2084 //@node Aux fcts, , GranSim specific options
2085 //@subsection Aux fcts
2087 static FILE * /* return NULL on error */
2090 int argc, char *argv[],
2091 int rts_argc, char *rts_argv[],
2092 const char *FILENAME_FMT)
2096 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
2098 else if (rts_argv[arg][2] != '\0') /* stats file specified */
2099 f = fopen(rts_argv[arg]+2,"w");
2101 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2102 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2103 f = fopen(stats_filename,"w");
2106 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
2108 /* Write argv and rtsv into start of stats file */
2110 for(count = 0; count < argc; count++)
2111 fprintf(f, "%s ", argv[count]);
2112 fprintf(f, "+RTS ");
2113 for(count = 0; count < rts_argc; count++)
2114 fprintf(f, "%s ", rts_argv[count]);
2122 decode(const char *s)
2133 if (c == 'g' || c == 'G')
2134 m *= 1000*1000*1000; /* UNchecked! */
2135 else if (c == 'm' || c == 'M')
2136 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2137 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2138 m *= 1000; /* a direct-mapped cache. */
2139 else if (c == 'w' || c == 'W')
2146 bad_option(const char *s)
2148 prog_belch("bad RTS option: %s", s);
2149 stg_exit(EXIT_FAILURE);