1 /* -----------------------------------------------------------------------------
3 * (c) The AQUA Project, Glasgow University, 1994-1997
4 * (c) The GHC Team, 1998-1999
6 * Functions for parsing the argument list.
8 * ---------------------------------------------------------------------------*/
13 //* Static function decls::
14 //* Command-line option parsing routines::
15 //* GranSim specific options::
20 //@node Includes, Constants
21 //@subsection Includes
23 #include "PosixSource.h"
27 #include "BlockAlloc.h"
28 #include "Timer.h" /* CS_MIN_MILLISECS */
29 #include "Profiling.h"
42 * Split argument lists
44 int prog_argc = 0; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
47 int rts_argc = 0; /* ditto */
48 char *rts_argv[MAX_RTS_ARGS];
50 //@node Constants, Static function decls, Includes
51 //@subsection Constants
54 * constants, used later
61 static char *gran_debug_opts_strs[] = {
62 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
63 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
64 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
65 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
66 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
67 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
68 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
69 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
70 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
71 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
72 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
73 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
74 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
75 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
76 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
79 /* one character codes for the available debug options */
80 static char gran_debug_opts_flags[] = {
81 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
86 static char *par_debug_opts_strs[] = {
87 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
88 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
89 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
90 "DEBUG (-qDe, -qD8): free; free messages.\n",
91 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
92 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
93 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
94 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
95 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
96 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
97 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
98 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
99 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
100 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
103 /* one character codes for the available debug options */
104 static char par_debug_opts_flags[] = {
105 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
110 //@node Static function decls, Command-line option parsing routines, Constants
111 //@subsection Static function decls
113 /* -----------------------------------------------------------------------------
114 Static function decls
115 -------------------------------------------------------------------------- */
117 static int /* return NULL on error */
120 int argc, char *argv[],
121 int rts_argc, char *rts_argv[],
122 const char *FILENAME_FMT,
125 static I_ decode(const char *s);
126 static void bad_option(const char *s);
129 static void enable_GranSimLight(void);
130 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
131 static void set_GranSim_debug_options(nat n);
132 static void help_GranSim_debug_options(nat n);
134 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
135 static void set_par_debug_options(nat n);
136 static void help_par_debug_options(nat n);
139 //@node Command-line option parsing routines, GranSim specific options, Static function decls
140 //@subsection Command-line option parsing routines
142 /* -----------------------------------------------------------------------------
143 * Command-line option parsing routines.
144 * ---------------------------------------------------------------------------*/
146 void initRtsFlagsDefaults(void)
148 RtsFlags.GcFlags.statsFile = NULL;
149 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
151 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
152 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
154 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
155 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
156 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
157 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
158 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
159 RtsFlags.GcFlags.oldGenFactor = 2;
161 /* A hack currently needed for GUM -- HWL */
162 RtsFlags.GcFlags.generations = 1;
163 RtsFlags.GcFlags.steps = 2;
164 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
166 RtsFlags.GcFlags.generations = 2;
167 RtsFlags.GcFlags.steps = 2;
168 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
170 RtsFlags.GcFlags.compact = rtsFalse;
171 RtsFlags.GcFlags.compactThreshold = 30.0;
172 #ifdef RTS_GTK_FRONTPANEL
173 RtsFlags.GcFlags.frontpanel = rtsFalse;
177 RtsFlags.DebugFlags.scheduler = rtsFalse;
178 RtsFlags.DebugFlags.interpreter = rtsFalse;
179 RtsFlags.DebugFlags.codegen = rtsFalse;
180 RtsFlags.DebugFlags.weak = rtsFalse;
181 RtsFlags.DebugFlags.gccafs = rtsFalse;
182 RtsFlags.DebugFlags.gc = rtsFalse;
183 RtsFlags.DebugFlags.block_alloc = rtsFalse;
184 RtsFlags.DebugFlags.sanity = rtsFalse;
185 RtsFlags.DebugFlags.stable = rtsFalse;
186 RtsFlags.DebugFlags.prof = rtsFalse;
187 RtsFlags.DebugFlags.gran = rtsFalse;
188 RtsFlags.DebugFlags.par = rtsFalse;
189 RtsFlags.DebugFlags.linker = rtsFalse;
192 #if defined(PROFILING) || defined(PAR)
193 RtsFlags.CcFlags.doCostCentres = 0;
194 #endif /* PROFILING or PAR */
197 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
198 RtsFlags.ProfFlags.profileInterval = 100;
199 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
200 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
201 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
202 RtsFlags.ProfFlags.modSelector = NULL;
203 RtsFlags.ProfFlags.descrSelector = NULL;
204 RtsFlags.ProfFlags.typeSelector = NULL;
205 RtsFlags.ProfFlags.ccSelector = NULL;
206 RtsFlags.ProfFlags.ccsSelector = NULL;
207 RtsFlags.ProfFlags.retainerSelector = NULL;
208 RtsFlags.ProfFlags.bioSelector = NULL;
211 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
214 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
217 RtsFlags.ParFlags.nNodes = 1;
221 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
222 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
223 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
224 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
225 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
226 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
227 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
229 RtsFlags.ParFlags.outputDisabled = rtsFalse;
231 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
233 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
235 RtsFlags.ParFlags.packBufferSize = 1024;
236 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
237 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
238 RtsFlags.ParFlags.maxThreads = 1024;
239 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
240 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
243 #if defined(PAR) || defined(SMP)
244 RtsFlags.ParFlags.maxLocalSparks = 4096;
245 #endif /* PAR || SMP */
248 /* ToDo: check defaults for GranSim and GUM */
249 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
250 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
252 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
253 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
254 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
255 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
256 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
257 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
258 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
259 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
261 RtsFlags.GranFlags.packBufferSize = 1024;
262 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
264 RtsFlags.GranFlags.proc = MAX_PROC;
265 RtsFlags.GranFlags.Fishing = rtsFalse;
266 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
267 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
268 RtsFlags.GranFlags.Light = rtsFalse;
270 RtsFlags.GranFlags.Costs.latency = LATENCY;
271 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
272 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
273 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
274 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
275 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
276 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
277 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
279 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
280 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
281 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
282 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
283 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
285 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
286 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
287 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
288 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
289 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
291 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
293 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
294 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
296 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
297 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
298 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
299 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
300 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
301 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
302 RtsFlags.GranFlags.FetchStrategy = 2;
303 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
304 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
305 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
306 RtsFlags.GranFlags.SparkPriority = 0;
307 RtsFlags.GranFlags.SparkPriority2 = 0;
308 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
309 RtsFlags.GranFlags.InversePriorities = rtsFalse;
310 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
311 RtsFlags.GranFlags.ThunksToPack = 0;
312 RtsFlags.GranFlags.RandomSteal = rtsTrue;
316 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
317 RtsFlags.TickyFlags.tickyFile = NULL;
324 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
326 " +RTS Indicates run time system options follow",
327 " -RTS Indicates program arguments follow",
328 " --RTS Indicates that ALL subsequent arguments will be given to the",
329 " program (including any of these RTS flags)",
331 "The following run time system options are available:",
333 " -? Prints this message and exits; the program is not executed",
335 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
336 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
338 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
339 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
340 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
341 " -m<n> Minimum % of heap which must be available (default 3%)",
342 " -G<n> Number of generations (default: 2)",
343 " -T<n> Number of steps in younger generations (default: 2)",
344 " -c<n> Auto-enable compaction of the oldest generation when live data is",
345 " at least <n>% of the maximum heap size set with -M (default: 30%)",
346 " -c Enable compaction for all major collections",
348 " -t<file> One-line GC statistics (default file: <program>.stat)",
349 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
350 " -S<file> Detailed GC statistics",
351 #ifdef RTS_GTK_FRONTPANEL
352 " -f Display front panel (requires X11 & GTK+)",
356 " -Z Don't squeeze out update frames on stack overflow",
357 " -B Sound the bell at the start of each garbage collection",
358 #if defined(PROFILING) || defined(PAR)
360 " -px Time/allocation profile (XML) (output file <program>.prof)",
361 " -p Time/allocation profile (output file <program>.prof)",
362 " -P More detailed Time/Allocation profile",
363 " -Pa Give information about *all* cost centres",
365 # if defined(PROFILING)
367 " -hx Heap residency profile (XML) (output file <program>.prof)",
368 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
369 " break-down: c = cost centre stack (default)",
371 " d = closure description",
372 " y = type description",
374 " b = biography (LAG,DRAG,VOID,USE)",
375 " A subset of closures may be selected thusly:",
376 " -hc<cc>,... specific cost centre(s) (top of stack only)",
377 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
378 " -hm<mod>... all cost centres from the specified modules(s)",
379 " -hd<des>,... closures with specified closure descriptions",
380 " -hy<typ>... closures with specified type descriptions",
381 " -hr<cc>... closures with specified retainers",
382 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
384 " -R<size> Set the maximum retainer set size (default: 8)",
386 " -i<sec> Time between heap samples (seconds, default: 0.1)",
388 " -xt Include threads (TSOs) in a heap profile",
390 " -xc Show current cost centre stack on raising an exception",
392 #endif /* PROFILING or PAR */
393 #if !defined(PROFILING) && defined(DEBUG)
395 " -h<break-down> Debugging Heap residency profile",
396 " (output file <program>.hp)",
397 " break-down: L = closure label (default)",
398 " T = closure type (constructor, thunk etc.)",
401 #if defined(TICKY_TICKY)
402 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
406 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
407 /* NB: the -N<n> is implemented by the driver!! */
409 " -C<secs> Context-switch interval in seconds",
410 " (0 or no argument means switch as often as possible)",
411 " the default is .02 sec; resolution is .02 sec",
414 " -Ds DEBUG: scheduler",
415 " -Di DEBUG: interpreter",
416 " -Dc DEBUG: codegen",
418 " -DG DEBUG: gccafs",
421 " -DS DEBUG: sanity",
422 " -Dt DEBUG: stable",
426 " -Dl DEBUG: linker",
430 " -N<n> Use <n> OS threads (default: 1)",
432 #if defined(SMP) || defined(PAR)
433 " -e<size> Size of spark pools (default 100)",
436 " -t<num> Set maximum number of advisory threads per PE (default 32)",
437 " -qP Enable activity profile (output files in ~/<program>*.gr)",
438 " -qQ<size> Set pack-buffer size (default: 1024)",
439 " -qd Turn on PVM-ish debugging",
440 " -qO Disable output for performance measurement",
442 #if defined(SMP) || defined(PAR)
443 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
446 " -d Turn on PVM-ish debugging",
447 " -O Disable output for performance measurement",
449 #if defined(GRAN) /* ToDo: fill in decent Docu here */
450 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
453 "RTS options may also be specified using the GHCRTS environment variable.",
455 "Other RTS options may be available for programs compiled a different way.",
456 "The GHC User's Guide has full details.",
461 STATIC_INLINE rtsBool
462 strequal(const char *a, const char * b)
464 return(strcmp(a, b) == 0);
468 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
474 while (isspace(*c1)) { c1++; };
476 while (!isspace(*c2) && *c2 != '\0') { c2++; };
478 if (c1 == c2) { break; }
480 if (*rts_argc < MAX_RTS_ARGS-1) {
481 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
482 strncpy(s, c1, c2-c1);
484 rts_argv[(*rts_argc)++] = s;
486 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
490 } while (*c1 != '\0');
494 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
496 rtsBool error = rtsFalse;
501 /* Remove directory from argv[0] -- default files in current directory */
502 if ((last_slash = (char *) strrchr(argv[0],
503 #if !defined(mingw32_TARGET_OS)
509 prog_name = last_slash+1;
520 // process arguments from the ghc_rts_opts global variable first.
521 // (arguments from the GHCRTS environment variable and the command
522 // line override these).
524 if (ghc_rts_opts != NULL) {
525 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
529 // process arguments from the GHCRTS environment variable next
530 // (arguments from the command line override these).
532 char *ghc_rts = getenv("GHCRTS");
534 if (ghc_rts != NULL) {
535 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
539 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
540 // argv[0] must be PGM argument -- leave in argv
542 for (mode = PGM; arg < total_arg; arg++) {
543 // The '--RTS' argument disables all future +RTS ... -RTS processing.
544 if (strequal("--RTS", argv[arg])) {
548 // The '--' argument is passed through to the program, but
549 // disables all further +RTS ... -RTS processing.
550 else if (strequal("--", argv[arg])) {
553 else if (strequal("+RTS", argv[arg])) {
556 else if (strequal("-RTS", argv[arg])) {
559 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
560 rts_argv[(*rts_argc)++] = argv[arg];
562 else if (mode == PGM) {
563 argv[(*argc)++] = argv[arg];
566 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
569 // process remaining program arguments
570 for (; arg < total_arg; arg++) {
571 argv[(*argc)++] = argv[arg];
573 argv[*argc] = (char *) 0;
574 rts_argv[*rts_argc] = (char *) 0;
576 // Process RTS (rts_argv) part: mainly to determine statsfile
577 for (arg = 0; arg < *rts_argc; arg++) {
578 if (rts_argv[arg][0] != '-') {
580 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
584 switch(rts_argv[arg][1]) {
586 /* process: general args, then PROFILING-only ones,
587 then CONCURRENT-only, PARallel-only, GRAN-only,
588 TICKY-only (same order as defined in RtsFlags.lh);
589 within those groups, mostly in case-insensitive
591 Final group is x*, which allows for more options.
595 # define TICKY_BUILD_ONLY(x) x
597 # define TICKY_BUILD_ONLY(x) \
598 errorBelch("not built for: ticky-ticky stats"); \
602 #if defined(PROFILING)
603 # define COST_CENTRE_USING_BUILD_ONLY(x) x
605 # define COST_CENTRE_USING_BUILD_ONLY(x) \
606 errorBelch("not built for: -prof or -parallel"); \
611 # define PROFILING_BUILD_ONLY(x) x
613 # define PROFILING_BUILD_ONLY(x) \
614 errorBelch("not built for: -prof"); \
619 # define SMP_BUILD_ONLY(x) x
621 # define SMP_BUILD_ONLY(x) \
622 errorBelch("not built for: -smp"); \
627 # define PAR_BUILD_ONLY(x) x
629 # define PAR_BUILD_ONLY(x) \
630 errorBelch("not built for: -parallel"); \
634 #if defined(SMP) || defined(PAR)
635 # define PAR_OR_SMP_BUILD_ONLY(x) x
637 # define PAR_OR_SMP_BUILD_ONLY(x) \
638 errorBelch("not built for: -parallel or -smp"); \
643 # define GRAN_BUILD_ONLY(x) x
645 # define GRAN_BUILD_ONLY(x) \
646 errorBelch("not built for: -gransim"); \
650 /* =========== GENERAL ========================== */
656 RtsFlags.GcFlags.minAllocAreaSize
657 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
658 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
659 bad_option(rts_argv[arg]);
664 RtsFlags.GcFlags.ringBell = rtsTrue;
668 if (rts_argv[arg][2] != '\0') {
669 RtsFlags.GcFlags.compactThreshold =
670 atof(rts_argv[arg]+2);
672 RtsFlags.GcFlags.compact = rtsTrue;
677 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
679 if (RtsFlags.GcFlags.oldGenFactor < 0)
680 bad_option( rts_argv[arg] );
688 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
691 RtsFlags.DebugFlags.scheduler = rtsTrue;
694 RtsFlags.DebugFlags.interpreter = rtsTrue;
697 RtsFlags.DebugFlags.codegen = rtsTrue;
700 RtsFlags.DebugFlags.weak = rtsTrue;
703 RtsFlags.DebugFlags.gccafs = rtsTrue;
706 RtsFlags.DebugFlags.gc = rtsTrue;
709 RtsFlags.DebugFlags.block_alloc = rtsTrue;
712 RtsFlags.DebugFlags.sanity = rtsTrue;
715 RtsFlags.DebugFlags.stable = rtsTrue;
718 RtsFlags.DebugFlags.prof = rtsTrue;
721 RtsFlags.DebugFlags.gran = rtsTrue;
724 RtsFlags.DebugFlags.par = rtsTrue;
727 RtsFlags.DebugFlags.linker = rtsTrue;
730 RtsFlags.DebugFlags.apply = rtsTrue;
733 bad_option( rts_argv[arg] );
741 RtsFlags.GcFlags.maxStkSize =
742 decode(rts_argv[arg]+2) / sizeof(W_);
744 if (RtsFlags.GcFlags.maxStkSize == 0)
745 bad_option( rts_argv[arg] );
749 RtsFlags.GcFlags.initialStkSize =
750 decode(rts_argv[arg]+2) / sizeof(W_);
752 if (RtsFlags.GcFlags.initialStkSize == 0)
753 bad_option( rts_argv[arg] );
757 RtsFlags.GcFlags.maxHeapSize =
758 decode(rts_argv[arg]+2) / BLOCK_SIZE;
759 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
761 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
762 bad_option(rts_argv[arg]);
767 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
769 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
770 RtsFlags.GcFlags.pcFreeHeap > 100)
771 bad_option( rts_argv[arg] );
775 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
776 if (RtsFlags.GcFlags.generations < 1) {
777 bad_option(rts_argv[arg]);
782 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
783 if (RtsFlags.GcFlags.steps < 1) {
784 bad_option(rts_argv[arg]);
789 RtsFlags.GcFlags.heapSizeSuggestion =
790 decode(rts_argv[arg]+2) / BLOCK_SIZE;
792 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
793 bad_option(rts_argv[arg]);
797 #ifdef RTS_GTK_FRONTPANEL
799 RtsFlags.GcFlags.frontpanel = rtsTrue;
804 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
808 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
812 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
817 /* Opening all those files would almost certainly fail... */
818 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
819 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
823 r = open_stats_file(arg, *argc, argv,
824 *rts_argc, rts_argv, STAT_FILENAME_FMT,
825 &RtsFlags.GcFlags.statsFile);
826 if (r == -1) { error = rtsTrue; }
832 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
835 /* =========== PROFILING ========================== */
837 case 'P': /* detailed cost centre profiling (time/alloc) */
838 case 'p': /* cost centre profiling (time/alloc) */
839 COST_CENTRE_USING_BUILD_ONLY(
840 switch (rts_argv[arg][2]) {
842 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
845 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
848 if (rts_argv[arg][1] == 'P') {
849 RtsFlags.CcFlags.doCostCentres =
850 COST_CENTRES_VERBOSE;
852 RtsFlags.CcFlags.doCostCentres =
853 COST_CENTRES_SUMMARY;
860 PROFILING_BUILD_ONLY(
861 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
864 case 'h': /* serial heap profile */
865 #if !defined(PROFILING) && defined(DEBUG)
866 switch (rts_argv[arg][2]) {
869 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
872 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
875 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
879 PROFILING_BUILD_ONLY(
880 switch (rts_argv[arg][2]) {
894 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
896 char *left = strchr(rts_argv[arg], '{');
897 char *right = strrchr(rts_argv[arg], '}');
899 // curly braces are optional, for
904 left = rts_argv[arg] + 3;
907 right = rts_argv[arg] + strlen(rts_argv[arg]);
911 switch (rts_argv[arg][2]) {
912 case 'c': // cost centre label select
913 RtsFlags.ProfFlags.ccSelector = left;
916 RtsFlags.ProfFlags.ccsSelector = left;
919 case 'm': // cost centre module select
920 RtsFlags.ProfFlags.modSelector = left;
923 case 'd': // closure descr select
924 RtsFlags.ProfFlags.descrSelector = left;
927 case 'y': // closure type select
928 RtsFlags.ProfFlags.typeSelector = left;
931 case 'r': // retainer select
932 RtsFlags.ProfFlags.retainerSelector = left;
935 case 'b': // biography select
936 RtsFlags.ProfFlags.bioSelector = left;
943 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
944 errorBelch("multiple heap profile options");
949 switch (rts_argv[arg][2]) {
953 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
957 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
961 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
965 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
969 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
973 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
979 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
986 #if defined(PROFILING)
987 case 'i': /* heap sample interval */
988 if (rts_argv[arg][2] == '\0') {
993 /* Convert to milliseconds */
994 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
995 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
996 if (cst != 0 && cst < CS_MIN_MILLISECS)
997 cst = CS_MIN_MILLISECS;
999 RtsFlags.ProfFlags.profileInterval = cst;
1004 /* =========== CONCURRENT ========================= */
1005 case 'C': /* context switch interval */
1006 if (rts_argv[arg][2] == '\0')
1007 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1011 /* Convert to milliseconds */
1012 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1013 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1014 if (cst != 0 && cst < CS_MIN_MILLISECS)
1015 cst = CS_MIN_MILLISECS;
1017 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1024 if (rts_argv[arg][2] != '\0') {
1025 RtsFlags.ParFlags.nNodes
1026 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1027 if (RtsFlags.ParFlags.nNodes <= 0) {
1028 errorBelch("bad value for -N");
1034 /* =========== PARALLEL =========================== */
1036 PAR_OR_SMP_BUILD_ONLY(
1037 if (rts_argv[arg][2] != '\0') {
1038 RtsFlags.ParFlags.maxLocalSparks
1039 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1040 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1041 errorBelch("bad value for -e");
1049 process_par_option(arg, rts_argc, rts_argv, &error);
1052 /* =========== GRAN =============================== */
1056 process_gran_option(arg, rts_argc, rts_argv, &error);
1059 /* =========== TICKY ============================== */
1061 case 'r': /* Basic profiling stats */
1064 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1068 r = open_stats_file(arg, *argc, argv,
1069 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1070 &RtsFlags.TickyFlags.tickyFile);
1071 if (r == -1) { error = rtsTrue; }
1075 /* =========== EXTENDED OPTIONS =================== */
1077 case 'x': /* Extend the argument space */
1078 switch(rts_argv[arg][2]) {
1080 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1084 case 'c': /* Debugging tool: show current cost centre on an exception */
1085 PROFILING_BUILD_ONLY(
1086 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1090 case 't': /* Include memory used by TSOs in a heap profile */
1091 PROFILING_BUILD_ONLY(
1092 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1096 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1099 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1103 break; /* defensive programming */
1105 /* =========== OH DEAR ============================ */
1107 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1117 for (p = usage_text; *p; p++)
1118 errorBelch("%s", *p);
1119 stg_exit(EXIT_FAILURE);
1125 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1126 //@subsection GranSim specific options
1129 enable_GranSimLight(void) {
1131 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1132 RtsFlags.GranFlags.Light=rtsTrue;
1133 RtsFlags.GranFlags.Costs.latency =
1134 RtsFlags.GranFlags.Costs.fetchtime =
1135 RtsFlags.GranFlags.Costs.additional_latency =
1136 RtsFlags.GranFlags.Costs.gunblocktime =
1137 RtsFlags.GranFlags.Costs.lunblocktime =
1138 RtsFlags.GranFlags.Costs.threadcreatetime =
1139 RtsFlags.GranFlags.Costs.threadqueuetime =
1140 RtsFlags.GranFlags.Costs.threadscheduletime =
1141 RtsFlags.GranFlags.Costs.threaddescheduletime =
1142 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1144 RtsFlags.GranFlags.Costs.mpacktime =
1145 RtsFlags.GranFlags.Costs.munpacktime = 0;
1147 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1148 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1149 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1150 /* FetchStrategy is irrelevant in GrAnSim-Light */
1152 /* GrAnSim Light often creates an abundance of parallel threads,
1153 each with its own stack etc. Therefore, it's in general a good
1154 idea to use small stack chunks (use the -o<size> option to
1157 // RtsFlags.ConcFlags.stkChunkSize = 100;
1159 RtsFlags.GranFlags.proc = 1;
1163 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1165 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1168 /* or a ridiculously idealised simulator */
1169 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1170 RtsFlags.GranFlags.Costs.latency =
1171 RtsFlags.GranFlags.Costs.fetchtime =
1172 RtsFlags.GranFlags.Costs.additional_latency =
1173 RtsFlags.GranFlags.Costs.gunblocktime =
1174 RtsFlags.GranFlags.Costs.lunblocktime =
1175 RtsFlags.GranFlags.Costs.threadcreatetime =
1176 RtsFlags.GranFlags.Costs.threadqueuetime =
1177 RtsFlags.GranFlags.Costs.threadscheduletime =
1178 RtsFlags.GranFlags.Costs.threaddescheduletime =
1179 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1181 RtsFlags.GranFlags.Costs.mpacktime =
1182 RtsFlags.GranFlags.Costs.munpacktime = 0;
1184 RtsFlags.GranFlags.Costs.arith_cost =
1185 RtsFlags.GranFlags.Costs.float_cost =
1186 RtsFlags.GranFlags.Costs.load_cost =
1187 RtsFlags.GranFlags.Costs.store_cost =
1188 RtsFlags.GranFlags.Costs.branch_cost = 0;
1190 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1192 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1193 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1194 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1195 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1199 /* or a somewhat idealised simulator */
1200 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1201 RtsFlags.GranFlags.Costs.latency =
1202 RtsFlags.GranFlags.Costs.fetchtime =
1203 RtsFlags.GranFlags.Costs.additional_latency =
1204 RtsFlags.GranFlags.Costs.gunblocktime =
1205 RtsFlags.GranFlags.Costs.lunblocktime =
1206 RtsFlags.GranFlags.Costs.threadcreatetime =
1207 RtsFlags.GranFlags.Costs.threadqueuetime =
1208 RtsFlags.GranFlags.Costs.threadscheduletime =
1209 RtsFlags.GranFlags.Costs.threaddescheduletime =
1210 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1212 RtsFlags.GranFlags.Costs.mpacktime =
1213 RtsFlags.GranFlags.Costs.munpacktime = 0;
1215 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1217 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1218 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1219 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1220 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1221 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1222 # if defined(GRAN_CHECK) && defined(GRAN)
1223 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1228 /* Communication and task creation cost parameters */
1229 switch(rts_argv[arg][2]) {
1231 IgnoreYields = rtsTrue; // HWL HACK
1235 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1239 if (rts_argv[arg][3] != '\0')
1241 RtsFlags.GranFlags.Costs.gunblocktime =
1242 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1243 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1246 RtsFlags.GranFlags.Costs.latency = LATENCY;
1250 if (rts_argv[arg][3] != '\0')
1251 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1253 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1257 if (rts_argv[arg][3] != '\0')
1258 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1260 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1264 if (rts_argv[arg][3] != '\0')
1265 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1267 RtsFlags.GranFlags.Costs.mtidytime = 0;
1271 if (rts_argv[arg][3] != '\0')
1272 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1274 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1278 if (rts_argv[arg][3] != '\0')
1279 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1281 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1285 if (rts_argv[arg][3] != '\0')
1286 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1288 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1292 if (rts_argv[arg][3] != '\0')
1293 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1295 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1298 /* Thread-related metrics */
1300 if (rts_argv[arg][3] != '\0')
1301 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1303 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1307 if (rts_argv[arg][3] != '\0')
1308 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1310 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1314 if (rts_argv[arg][3] != '\0')
1315 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1317 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1319 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1320 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1324 if (rts_argv[arg][3] != '\0')
1325 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1327 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1329 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1330 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1333 /* Instruction Cost Metrics */
1335 if (rts_argv[arg][3] != '\0')
1336 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1338 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1342 if (rts_argv[arg][3] != '\0')
1343 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1345 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1349 if (rts_argv[arg][3] != '\0')
1350 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1352 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1356 if (rts_argv[arg][3] != '\0')
1357 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1359 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1363 if (rts_argv[arg][3] != '\0')
1364 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1366 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1370 if (rts_argv[arg][3] != '\0')
1371 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1373 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1377 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1378 if (rts_argv[arg][3] != '\0')
1379 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1381 RtsFlags.GranFlags.FetchStrategy = 2;
1382 if (RtsFlags.GranFlags.FetchStrategy == 0)
1383 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1386 case 'K': /* sort overhead (per elem in spark list) */
1387 if (rts_argv[arg][3] != '\0')
1388 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1390 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1391 debugBelch("Overhead for pri spark: %d (per elem).\n",
1392 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1395 case 'O': /* sort overhead (per elem in spark list) */
1396 if (rts_argv[arg][3] != '\0')
1397 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1399 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1400 debugBelch("Overhead for pri sched: %d (per elem).\n",
1401 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1404 /* General Parameters */
1406 if (rts_argv[arg][3] != '\0')
1408 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1409 if (RtsFlags.GranFlags.proc==0) {
1410 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1411 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1412 RtsFlags.GranFlags.proc < 1)
1414 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1420 RtsFlags.GranFlags.proc = MAX_PROC;
1424 RtsFlags.GranFlags.Fishing = rtsTrue;
1425 if (rts_argv[arg][3] != '\0')
1426 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1428 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1432 if (rts_argv[arg][3] != '\0')
1433 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1435 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1439 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1440 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1444 debugBelch("Bulk fetching enabled.\n");
1445 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1449 debugBelch("Thread migration enabled.\n");
1450 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1454 debugBelch("Fair Scheduling enabled.\n");
1455 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1459 debugBelch("Priority Scheduling enabled.\n");
1460 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1464 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1465 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1469 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1473 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1477 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1481 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1485 /* format is -bP<c> where <c> is one char describing kind of profile */
1486 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1487 switch(rts_argv[arg][3]) {
1488 case '\0': break; // nothing special, just an ordinary profile
1489 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1491 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1493 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1495 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1497 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1499 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1501 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1506 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1510 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1513 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1514 if (rts_argv[arg][3] != '\0') {
1517 arg0 = rts_argv[arg]+3;
1518 if ((tmp = strstr(arg0,","))==NULL) {
1519 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1520 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1523 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1524 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1525 debugBelch("SparkPriority: %u.\n",
1526 RtsFlags.GranFlags.SparkPriority);
1527 debugBelch("SparkPriority2:%u.\n",
1528 RtsFlags.GranFlags.SparkPriority2);
1529 if (RtsFlags.GranFlags.SparkPriority2 <
1530 RtsFlags.GranFlags.SparkPriority) {
1531 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1532 RtsFlags.GranFlags.SparkPriority2,
1533 RtsFlags.GranFlags.SparkPriority);
1537 /* plain pri spark is now invoked with -bX
1538 RtsFlags.GranFlags.DoPrioritySparking = 1;
1539 debugBelch("PrioritySparking.\n");
1545 if (rts_argv[arg][3] != '\0') {
1546 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1548 RtsFlags.GranFlags.ThunksToPack = 1;
1550 debugBelch("Thunks To Pack in one packet: %u.\n",
1551 RtsFlags.GranFlags.ThunksToPack);
1555 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1556 debugBelch("Deterministic mode (no random stealing)\n");
1559 /* The following class of options contains eXperimental */
1560 /* features in connection with exploiting granularity */
1561 /* information. I.e. if -bY is chosen these options */
1562 /* tell the RTS what to do with the supplied info --HWL */
1565 if (rts_argv[arg][3] != '\0') {
1566 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1568 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1570 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1571 RtsFlags.GranFlags.packBufferSize_internal);
1575 switch(rts_argv[arg][3]) {
1578 RtsFlags.GranFlags.DoPrioritySparking = 1;
1579 debugBelch("Priority Sparking with Normal Priorities.\n");
1580 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1581 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1582 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1586 RtsFlags.GranFlags.DoPrioritySparking = 1;
1587 debugBelch("Priority Sparking with Inverse Priorities.\n");
1588 RtsFlags.GranFlags.InversePriorities++;
1592 RtsFlags.GranFlags.DoPrioritySparking = 1;
1593 debugBelch("Priority Sparking with Random Priorities.\n");
1594 RtsFlags.GranFlags.RandomPriorities++;
1598 RtsFlags.GranFlags.DoPrioritySparking = 1;
1599 debugBelch("Priority Sparking with No Priorities.\n");
1600 RtsFlags.GranFlags.IgnorePriorities++;
1604 bad_option( rts_argv[arg] );
1610 switch(rts_argv[arg][3]) {
1613 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1614 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1618 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1622 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1626 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1630 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1631 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1635 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1639 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1643 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1647 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1651 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1655 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1659 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1663 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1664 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1668 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1672 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1676 bad_option( rts_argv[arg] );
1681 # if defined(GRAN_CHECK) && defined(GRAN)
1683 switch(rts_argv[arg][3]) {
1684 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1685 if (rts_argv[arg][4] != '\0') {
1686 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1687 debugBelch("Pack buffer size: %d\n",
1688 RtsFlags.GranFlags.packBufferSize);
1690 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1696 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1697 /* hack warning: interpret the flags as a binary number */
1698 nat n = decode(rts_argv[arg]+3);
1699 set_GranSim_debug_options(n);
1702 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1703 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1706 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1707 debugBelch("Valid GranSim debug options are:\n");
1708 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1709 bad_option( rts_argv[arg] );
1710 } else { // flag found; now set it
1711 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1717 case 'e': /* event trace; also -bD1 */
1718 debugBelch("DEBUG: event_trace; printing event trace.\n");
1719 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1720 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1723 case 'E': /* event statistics; also -bD2 */
1724 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1725 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1726 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1729 case 'f': /* thunkStealing; also -bD4 */
1730 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1731 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1732 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1735 case 'z': /* blockOnFetch; also -bD8 */
1736 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1737 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1738 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1741 case 't': /* blockOnFetch_sanity; also -bD16 */
1742 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1743 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1744 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1747 case 'S': /* priSpark; also -bD32 */
1748 debugBelch("DEBUG: priSpark; priority sparking.\n");
1749 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1752 case 's': /* priSched; also -bD64 */
1753 debugBelch("DEBUG: priSched; priority scheduling.\n");
1754 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1757 case 'F': /* findWork; also -bD128 */
1758 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1759 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1762 case 'g': /* globalBlock; also -bD256 */
1763 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1764 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1767 case 'G': /* pack; also -bD512 */
1768 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1769 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1772 case 'P': /* packBuffer; also -bD1024 */
1773 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1774 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1777 case 'o': /* sortedQ; also -bD2048 */
1778 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1779 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1782 case 'r': /* randomSteal; also -bD4096 */
1783 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1784 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1787 case 'q': /* checkSparkQ; also -bD8192 */
1788 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1789 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1792 case ':': /* checkLight; also -bD16384 */
1793 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1794 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1797 case 'b': /* bq; also -bD32768 */
1798 debugBelch("DEBUG: bq; check blocking queues\n");
1799 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1802 case 'd': /* all options turned on */
1803 debugBelch("DEBUG: all options turned on.\n");
1804 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1805 /* RtsFlags.GranFlags.Debug |= 0x40; */
1809 /* RtsFlags.GranFlags.Debug = 1; */
1815 # endif /* GRAN_CHECK */
1817 bad_option( rts_argv[arg] );
1823 Interpret n as a binary number masking GranSim debug options and set the
1824 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1827 set_GranSim_debug_options(nat n) {
1830 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1832 errorBelch(gran_debug_opts_strs[i]);
1834 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1835 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1836 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1837 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1838 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1839 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1840 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1841 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1842 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1843 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1844 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1845 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1846 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1847 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1848 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1849 default: barf("set_GranSim_debug_options: only %d debug options expected");
1855 Print one line explanation for each of the GranSim debug options specified
1859 help_GranSim_debug_options(nat n) {
1862 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1864 debugBelch(gran_debug_opts_strs[i]);
1870 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1873 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1874 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1878 /* Communication and task creation cost parameters */
1879 switch(rts_argv[arg][2]) {
1880 case 'e': /* -qe<n> ... allow <n> local sparks */
1881 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1882 RtsFlags.ParFlags.maxLocalSparks
1883 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1885 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1886 errorBelch("setupRtsFlags: bad value for -e\n");
1890 IF_PAR_DEBUG(verbose,
1891 errorBelch("-qe<n>: max %d local sparks",
1892 RtsFlags.ParFlags.maxLocalSparks));
1896 if (rts_argv[arg][3] != '\0') {
1897 RtsFlags.ParFlags.maxThreads
1898 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1900 errorBelch("missing size for -qt\n");
1903 IF_PAR_DEBUG(verbose,
1904 errorBelch("-qt<n>: max %d threads",
1905 RtsFlags.ParFlags.maxThreads));
1909 if (rts_argv[arg][3] != '\0')
1910 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1912 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1914 IF_PAR_DEBUG(verbose,
1915 errorBelch("-qf<n>: max %d fishes sent out at one time",
1916 RtsFlags.ParFlags.maxFishes));
1920 if (rts_argv[arg][3] != '\0') {
1921 RtsFlags.ParFlags.fishDelay
1922 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1924 errorBelch("missing fish delay time for -qF\n");
1927 IF_PAR_DEBUG(verbose,
1928 errorBelch("-qF<n>: fish delay time %d us",
1929 RtsFlags.ParFlags.fishDelay));
1933 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1934 IF_PAR_DEBUG(verbose,
1935 errorBelch("-qO: output disabled"));
1938 case 'g': /* -qg<n> ... globalisation scheme */
1939 if (rts_argv[arg][3] != '\0') {
1940 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1942 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
1945 IF_PAR_DEBUG(verbose,
1946 debugBelch("-qg<n>: globalisation scheme set to %d",
1947 RtsFlags.ParFlags.globalising));
1950 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1951 if (rts_argv[arg][3] != '\0') {
1952 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1954 errorBelch("missing number of thunks per packet (for -qh)\n");
1957 IF_PAR_DEBUG(verbose,
1958 debugBelch("-qh<n>: thunks per packet set to %d",
1959 RtsFlags.ParFlags.thunksToPack));
1962 case 'P': /* -qP for writing a log file */
1963 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1964 /* same encoding as in GranSim after -bP */
1965 switch(rts_argv[arg][3]) {
1966 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1967 break; // nothing special, just an ordinary profile
1968 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1969 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1971 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1973 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1975 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1977 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1980 # if defined(PAR_TICKY)
1981 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1983 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
1984 stg_exit(EXIT_FAILURE);
1987 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1989 IF_PAR_DEBUG(verbose,
1990 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1991 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1994 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1995 if (rts_argv[arg][3] != '\0') {
1996 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1998 errorBelch("missing size of PackBuffer (for -qQ)\n");
2001 IF_PAR_DEBUG(verbose,
2002 debugBelch("-qQ<n>: pack buffer size set to %d",
2003 RtsFlags.ParFlags.packBufferSize));
2007 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2008 IF_PAR_DEBUG(verbose,
2009 debugBelch("-qR: fair-ish scheduling"));
2014 if (rts_argv[arg][3] != '\0') {
2015 RtsFlags.ParFlags.wait
2016 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2018 RtsFlags.ParFlags.wait = 1000;
2020 IF_PAR_DEBUG(verbose,
2021 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2022 RtsFlags.ParFlags.wait));
2025 case 'D': /* -qD ... all the debugging options */
2026 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2027 /* hack warning: interpret the flags as a binary number */
2028 nat n = decode(rts_argv[arg]+3);
2029 set_par_debug_options(n);
2032 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2033 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2036 if (i==MAX_PAR_DEBUG_OPTION+1) {
2037 errorBelch("Valid GUM debug options are:\n");
2038 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2039 bad_option( rts_argv[arg] );
2040 } else { // flag found; now set it
2041 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2047 errorBelch("Unknown option -q%c (%d opts in total)",
2048 rts_argv[arg][2], *rts_argc);
2054 Interpret n as a binary number masking Par debug options and set the
2055 correxponding option. See par_debug_opts_strs for explanations of the flags.
2058 set_par_debug_options(nat n) {
2061 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2063 debugBelch(par_debug_opts_strs[i]);
2065 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2066 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2067 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2068 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2069 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2070 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2071 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2072 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2073 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2074 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2075 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2076 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2077 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2078 default: barf("set_par_debug_options: only %d debug options expected",
2079 MAX_PAR_DEBUG_OPTION);
2085 Print one line explanation for each of the GranSim debug options specified
2089 help_par_debug_options(nat n) {
2092 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2094 debugBelch(par_debug_opts_strs[i]);
2099 //@node Aux fcts, , GranSim specific options
2100 //@subsection Aux fcts
2103 stats_fprintf(FILE *f, char *s, ...)
2115 static int /* return -1 on error */
2118 int argc, char *argv[],
2119 int rts_argc, char *rts_argv[],
2120 const char *FILENAME_FMT,
2125 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2126 f = NULL; /* NULL means use debugBelch */
2128 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2129 f = fopen(rts_argv[arg]+2,"w");
2131 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2132 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2133 f = fopen(stats_filename,"w");
2136 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2143 /* Write argv and rtsv into start of stats file */
2145 for(count = 0; count < argc; count++) {
2146 stats_fprintf(f, "%s ", argv[count]);
2148 stats_fprintf(f, "+RTS ");
2149 for(count = 0; count < rts_argc; count++)
2150 stats_fprintf(f, "%s ", rts_argv[count]);
2151 stats_fprintf(f, "\n");
2159 decode(const char *s)
2170 if (c == 'g' || c == 'G')
2171 m *= 1000*1000*1000; /* UNchecked! */
2172 else if (c == 'm' || c == 'M')
2173 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2174 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2175 m *= 1000; /* a direct-mapped cache. */
2176 else if (c == 'w' || c == 'W')
2183 bad_option(const char *s)
2185 errorBelch("bad RTS option: %s", s);
2186 stg_exit(EXIT_FAILURE);