2 /* -----------------------------------------------------------------------------
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"
43 * Split argument lists
45 int prog_argc = 0; /* an "int" so as to match normal "argc" */
46 char **prog_argv = NULL;
47 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
48 int rts_argc = 0; /* ditto */
49 char *rts_argv[MAX_RTS_ARGS];
51 //@node Constants, Static function decls, Includes
52 //@subsection Constants
55 * constants, used later
62 static char *gran_debug_opts_strs[] = {
63 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
64 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
65 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
66 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
67 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
68 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
69 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
70 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
71 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
72 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
73 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
74 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
75 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
76 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
77 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
80 /* one character codes for the available debug options */
81 static char gran_debug_opts_flags[] = {
82 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
87 static char *par_debug_opts_strs[] = {
88 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
89 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
90 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
91 "DEBUG (-qDe, -qD8): free; free messages.\n",
92 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
93 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
94 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
95 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
96 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
97 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
98 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
99 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
100 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
101 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
104 /* one character codes for the available debug options */
105 static char par_debug_opts_flags[] = {
106 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
111 //@node Static function decls, Command-line option parsing routines, Constants
112 //@subsection Static function decls
114 /* -----------------------------------------------------------------------------
115 Static function decls
116 -------------------------------------------------------------------------- */
118 static int /* return NULL on error */
121 int argc, char *argv[],
122 int rts_argc, char *rts_argv[],
123 const char *FILENAME_FMT,
126 static I_ decode(const char *s);
127 static void bad_option(const char *s);
130 static void enable_GranSimLight(void);
131 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
132 static void set_GranSim_debug_options(nat n);
133 static void help_GranSim_debug_options(nat n);
135 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
136 static void set_par_debug_options(nat n);
137 static void help_par_debug_options(nat n);
140 //@node Command-line option parsing routines, GranSim specific options, Static function decls
141 //@subsection Command-line option parsing routines
143 /* -----------------------------------------------------------------------------
144 * Command-line option parsing routines.
145 * ---------------------------------------------------------------------------*/
147 void initRtsFlagsDefaults(void)
149 RtsFlags.GcFlags.statsFile = NULL;
150 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
152 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
153 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
155 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
156 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
157 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
158 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
159 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
160 RtsFlags.GcFlags.oldGenFactor = 2;
162 /* A hack currently needed for GUM -- HWL */
163 RtsFlags.GcFlags.generations = 1;
164 RtsFlags.GcFlags.steps = 2;
165 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
167 RtsFlags.GcFlags.generations = 2;
168 RtsFlags.GcFlags.steps = 2;
169 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
171 RtsFlags.GcFlags.compact = rtsFalse;
172 RtsFlags.GcFlags.compactThreshold = 30.0;
173 #ifdef RTS_GTK_FRONTPANEL
174 RtsFlags.GcFlags.frontpanel = rtsFalse;
178 RtsFlags.DebugFlags.scheduler = rtsFalse;
179 RtsFlags.DebugFlags.interpreter = rtsFalse;
180 RtsFlags.DebugFlags.codegen = rtsFalse;
181 RtsFlags.DebugFlags.weak = rtsFalse;
182 RtsFlags.DebugFlags.gccafs = rtsFalse;
183 RtsFlags.DebugFlags.gc = rtsFalse;
184 RtsFlags.DebugFlags.block_alloc = rtsFalse;
185 RtsFlags.DebugFlags.sanity = rtsFalse;
186 RtsFlags.DebugFlags.stable = rtsFalse;
187 RtsFlags.DebugFlags.stm = rtsFalse;
188 RtsFlags.DebugFlags.prof = rtsFalse;
189 RtsFlags.DebugFlags.gran = rtsFalse;
190 RtsFlags.DebugFlags.par = rtsFalse;
191 RtsFlags.DebugFlags.linker = rtsFalse;
194 #if defined(PROFILING) || defined(PAR)
195 RtsFlags.CcFlags.doCostCentres = 0;
196 #endif /* PROFILING or PAR */
199 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
200 RtsFlags.ProfFlags.profileInterval = 100;
201 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
202 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
203 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
204 RtsFlags.ProfFlags.modSelector = NULL;
205 RtsFlags.ProfFlags.descrSelector = NULL;
206 RtsFlags.ProfFlags.typeSelector = NULL;
207 RtsFlags.ProfFlags.ccSelector = NULL;
208 RtsFlags.ProfFlags.ccsSelector = NULL;
209 RtsFlags.ProfFlags.retainerSelector = NULL;
210 RtsFlags.ProfFlags.bioSelector = NULL;
213 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
216 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
219 RtsFlags.ParFlags.nNodes = 1;
223 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
224 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
225 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
226 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
227 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
228 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
229 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
231 RtsFlags.ParFlags.outputDisabled = rtsFalse;
233 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
235 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
237 RtsFlags.ParFlags.packBufferSize = 1024;
238 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
239 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
240 RtsFlags.ParFlags.maxThreads = 1024;
241 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
242 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
245 #if defined(PAR) || defined(SMP)
246 RtsFlags.ParFlags.maxLocalSparks = 4096;
247 #endif /* PAR || SMP */
250 /* ToDo: check defaults for GranSim and GUM */
251 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
252 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
254 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
255 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
256 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
257 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
258 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
259 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
260 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
261 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
263 RtsFlags.GranFlags.packBufferSize = 1024;
264 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
266 RtsFlags.GranFlags.proc = MAX_PROC;
267 RtsFlags.GranFlags.Fishing = rtsFalse;
268 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
269 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
270 RtsFlags.GranFlags.Light = rtsFalse;
272 RtsFlags.GranFlags.Costs.latency = LATENCY;
273 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
274 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
275 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
276 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
277 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
278 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
279 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
281 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
282 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
283 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
284 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
285 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
287 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
288 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
289 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
290 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
291 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
293 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
295 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
296 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
298 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
299 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
300 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
301 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
302 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
303 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
304 RtsFlags.GranFlags.FetchStrategy = 2;
305 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
306 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
307 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
308 RtsFlags.GranFlags.SparkPriority = 0;
309 RtsFlags.GranFlags.SparkPriority2 = 0;
310 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
311 RtsFlags.GranFlags.InversePriorities = rtsFalse;
312 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
313 RtsFlags.GranFlags.ThunksToPack = 0;
314 RtsFlags.GranFlags.RandomSteal = rtsTrue;
318 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
319 RtsFlags.TickyFlags.tickyFile = NULL;
326 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
328 " +RTS Indicates run time system options follow",
329 " -RTS Indicates program arguments follow",
330 " --RTS Indicates that ALL subsequent arguments will be given to the",
331 " program (including any of these RTS flags)",
333 "The following run time system options are available:",
335 " -? Prints this message and exits; the program is not executed",
337 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
338 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
340 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
341 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
342 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
343 " -m<n> Minimum % of heap which must be available (default 3%)",
344 " -G<n> Number of generations (default: 2)",
345 " -T<n> Number of steps in younger generations (default: 2)",
346 " -c<n> Auto-enable compaction of the oldest generation when live data is",
347 " at least <n>% of the maximum heap size set with -M (default: 30%)",
348 " -c Enable compaction for all major collections",
350 " -t<file> One-line GC statistics (default file: <program>.stat)",
351 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
352 " -S<file> Detailed GC statistics",
353 #ifdef RTS_GTK_FRONTPANEL
354 " -f Display front panel (requires X11 & GTK+)",
358 " -Z Don't squeeze out update frames on stack overflow",
359 " -B Sound the bell at the start of each garbage collection",
360 #if defined(PROFILING) || defined(PAR)
362 " -px Time/allocation profile (XML) (output file <program>.prof)",
363 " -p Time/allocation profile (output file <program>.prof)",
364 " -P More detailed Time/Allocation profile",
365 " -Pa Give information about *all* cost centres",
367 # if defined(PROFILING)
369 " -hx Heap residency profile (XML) (output file <program>.prof)",
370 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
371 " break-down: c = cost centre stack (default)",
373 " d = closure description",
374 " y = type description",
376 " b = biography (LAG,DRAG,VOID,USE)",
377 " A subset of closures may be selected thusly:",
378 " -hc<cc>,... specific cost centre(s) (top of stack only)",
379 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
380 " -hm<mod>... all cost centres from the specified modules(s)",
381 " -hd<des>,... closures with specified closure descriptions",
382 " -hy<typ>... closures with specified type descriptions",
383 " -hr<cc>... closures with specified retainers",
384 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
386 " -R<size> Set the maximum retainer set size (default: 8)",
388 " -i<sec> Time between heap samples (seconds, default: 0.1)",
390 " -xt Include threads (TSOs) in a heap profile",
392 " -xc Show current cost centre stack on raising an exception",
394 #endif /* PROFILING or PAR */
395 #if !defined(PROFILING) && defined(DEBUG)
397 " -h<break-down> Debugging Heap residency profile",
398 " (output file <program>.hp)",
399 " break-down: L = closure label (default)",
400 " T = closure type (constructor, thunk etc.)",
403 #if defined(TICKY_TICKY)
404 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
408 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
409 /* NB: the -N<n> is implemented by the driver!! */
411 " -C<secs> Context-switch interval in seconds",
412 " (0 or no argument means switch as often as possible)",
413 " the default is .02 sec; resolution is .02 sec",
416 " -Ds DEBUG: scheduler",
417 " -Di DEBUG: interpreter",
418 " -Dc DEBUG: codegen",
420 " -DG DEBUG: gccafs",
423 " -DS DEBUG: sanity",
424 " -Dt DEBUG: stable",
428 " -Dl DEBUG: linker",
433 " -N<n> Use <n> OS threads (default: 1)",
435 #if defined(SMP) || defined(PAR)
436 " -e<size> Size of spark pools (default 100)",
439 " -t<num> Set maximum number of advisory threads per PE (default 32)",
440 " -qP Enable activity profile (output files in ~/<program>*.gr)",
441 " -qQ<size> Set pack-buffer size (default: 1024)",
442 " -qd Turn on PVM-ish debugging",
443 " -qO Disable output for performance measurement",
445 #if defined(SMP) || defined(PAR)
446 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
449 " -d Turn on PVM-ish debugging",
450 " -O Disable output for performance measurement",
452 #if defined(GRAN) /* ToDo: fill in decent Docu here */
453 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
456 "RTS options may also be specified using the GHCRTS environment variable.",
458 "Other RTS options may be available for programs compiled a different way.",
459 "The GHC User's Guide has full details.",
464 STATIC_INLINE rtsBool
465 strequal(const char *a, const char * b)
467 return(strcmp(a, b) == 0);
471 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
477 while (isspace(*c1)) { c1++; };
479 while (!isspace(*c2) && *c2 != '\0') { c2++; };
481 if (c1 == c2) { break; }
483 if (*rts_argc < MAX_RTS_ARGS-1) {
484 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
485 strncpy(s, c1, c2-c1);
487 rts_argv[(*rts_argc)++] = s;
489 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
493 } while (*c1 != '\0');
497 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
499 rtsBool error = rtsFalse;
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 errorBelch("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 errorBelch("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 errorBelch("not built for: -prof or -parallel"); \
601 # define PROFILING_BUILD_ONLY(x) x
603 # define PROFILING_BUILD_ONLY(x) \
604 errorBelch("not built for: -prof"); \
609 # define SMP_BUILD_ONLY(x) x
611 # define SMP_BUILD_ONLY(x) \
612 errorBelch("not built for: -smp"); \
617 # define PAR_BUILD_ONLY(x) x
619 # define PAR_BUILD_ONLY(x) \
620 errorBelch("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 errorBelch("not built for: -parallel or -smp"); \
633 # define GRAN_BUILD_ONLY(x) x
635 # define GRAN_BUILD_ONLY(x) \
636 errorBelch("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 RtsFlags.DebugFlags.stm = rtsTrue;
726 bad_option( rts_argv[arg] );
734 RtsFlags.GcFlags.maxStkSize =
735 decode(rts_argv[arg]+2) / sizeof(W_);
737 if (RtsFlags.GcFlags.maxStkSize == 0)
738 bad_option( rts_argv[arg] );
742 RtsFlags.GcFlags.initialStkSize =
743 decode(rts_argv[arg]+2) / sizeof(W_);
745 if (RtsFlags.GcFlags.initialStkSize == 0)
746 bad_option( rts_argv[arg] );
750 RtsFlags.GcFlags.maxHeapSize =
751 decode(rts_argv[arg]+2) / BLOCK_SIZE;
752 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
754 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
755 bad_option(rts_argv[arg]);
760 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
762 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
763 RtsFlags.GcFlags.pcFreeHeap > 100)
764 bad_option( rts_argv[arg] );
768 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
769 if (RtsFlags.GcFlags.generations < 1) {
770 bad_option(rts_argv[arg]);
775 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
776 if (RtsFlags.GcFlags.steps < 1) {
777 bad_option(rts_argv[arg]);
782 RtsFlags.GcFlags.heapSizeSuggestion =
783 decode(rts_argv[arg]+2) / BLOCK_SIZE;
785 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
786 bad_option(rts_argv[arg]);
790 #ifdef RTS_GTK_FRONTPANEL
792 RtsFlags.GcFlags.frontpanel = rtsTrue;
797 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
801 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
805 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
810 /* Opening all those files would almost certainly fail... */
811 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
812 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
816 r = open_stats_file(arg, *argc, argv,
817 *rts_argc, rts_argv, STAT_FILENAME_FMT,
818 &RtsFlags.GcFlags.statsFile);
819 if (r == -1) { error = rtsTrue; }
825 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
828 /* =========== PROFILING ========================== */
830 case 'P': /* detailed cost centre profiling (time/alloc) */
831 case 'p': /* cost centre profiling (time/alloc) */
832 COST_CENTRE_USING_BUILD_ONLY(
833 switch (rts_argv[arg][2]) {
835 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
838 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
841 if (rts_argv[arg][1] == 'P') {
842 RtsFlags.CcFlags.doCostCentres =
843 COST_CENTRES_VERBOSE;
845 RtsFlags.CcFlags.doCostCentres =
846 COST_CENTRES_SUMMARY;
853 PROFILING_BUILD_ONLY(
854 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
857 case 'h': /* serial heap profile */
858 #if !defined(PROFILING) && defined(DEBUG)
859 switch (rts_argv[arg][2]) {
862 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
865 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
868 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
872 PROFILING_BUILD_ONLY(
873 switch (rts_argv[arg][2]) {
887 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
889 char *left = strchr(rts_argv[arg], '{');
890 char *right = strrchr(rts_argv[arg], '}');
892 // curly braces are optional, for
897 left = rts_argv[arg] + 3;
900 right = rts_argv[arg] + strlen(rts_argv[arg]);
904 switch (rts_argv[arg][2]) {
905 case 'c': // cost centre label select
906 RtsFlags.ProfFlags.ccSelector = left;
909 RtsFlags.ProfFlags.ccsSelector = left;
912 case 'm': // cost centre module select
913 RtsFlags.ProfFlags.modSelector = left;
916 case 'd': // closure descr select
917 RtsFlags.ProfFlags.descrSelector = left;
920 case 'y': // closure type select
921 RtsFlags.ProfFlags.typeSelector = left;
924 case 'r': // retainer select
925 RtsFlags.ProfFlags.retainerSelector = left;
928 case 'b': // biography select
929 RtsFlags.ProfFlags.bioSelector = left;
936 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
937 errorBelch("multiple heap profile options");
942 switch (rts_argv[arg][2]) {
946 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
950 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
954 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
958 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
962 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
966 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
972 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
976 #endif /* PROFILING */
979 #if defined(PROFILING)
980 case 'i': /* heap sample interval */
981 if (rts_argv[arg][2] == '\0') {
986 /* Convert to milliseconds */
987 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
988 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
989 if (cst != 0 && cst < CS_MIN_MILLISECS)
990 cst = CS_MIN_MILLISECS;
992 RtsFlags.ProfFlags.profileInterval = cst;
997 /* =========== CONCURRENT ========================= */
998 case 'C': /* context switch interval */
999 if (rts_argv[arg][2] == '\0')
1000 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1004 /* Convert to milliseconds */
1005 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1006 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
1007 if (cst != 0 && cst < CS_MIN_MILLISECS)
1008 cst = CS_MIN_MILLISECS;
1010 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1017 if (rts_argv[arg][2] != '\0') {
1018 RtsFlags.ParFlags.nNodes
1019 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1020 if (RtsFlags.ParFlags.nNodes <= 0) {
1021 errorBelch("bad value for -N");
1027 /* =========== PARALLEL =========================== */
1029 PAR_OR_SMP_BUILD_ONLY(
1030 if (rts_argv[arg][2] != '\0') {
1031 RtsFlags.ParFlags.maxLocalSparks
1032 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1033 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1034 errorBelch("bad value for -e");
1042 process_par_option(arg, rts_argc, rts_argv, &error);
1045 /* =========== GRAN =============================== */
1049 process_gran_option(arg, rts_argc, rts_argv, &error);
1052 /* =========== TICKY ============================== */
1054 case 'r': /* Basic profiling stats */
1057 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1061 r = open_stats_file(arg, *argc, argv,
1062 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1063 &RtsFlags.TickyFlags.tickyFile);
1064 if (r == -1) { error = rtsTrue; }
1068 /* =========== EXTENDED OPTIONS =================== */
1070 case 'x': /* Extend the argument space */
1071 switch(rts_argv[arg][2]) {
1073 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1077 case 'c': /* Debugging tool: show current cost centre on an exception */
1078 PROFILING_BUILD_ONLY(
1079 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1083 case 't': /* Include memory used by TSOs in a heap profile */
1084 PROFILING_BUILD_ONLY(
1085 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1089 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1092 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1096 break; /* defensive programming */
1098 /* =========== OH DEAR ============================ */
1100 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1110 for (p = usage_text; *p; p++)
1111 errorBelch("%s", *p);
1112 stg_exit(EXIT_FAILURE);
1118 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
1119 //@subsection GranSim specific options
1122 enable_GranSimLight(void) {
1124 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1125 RtsFlags.GranFlags.Light=rtsTrue;
1126 RtsFlags.GranFlags.Costs.latency =
1127 RtsFlags.GranFlags.Costs.fetchtime =
1128 RtsFlags.GranFlags.Costs.additional_latency =
1129 RtsFlags.GranFlags.Costs.gunblocktime =
1130 RtsFlags.GranFlags.Costs.lunblocktime =
1131 RtsFlags.GranFlags.Costs.threadcreatetime =
1132 RtsFlags.GranFlags.Costs.threadqueuetime =
1133 RtsFlags.GranFlags.Costs.threadscheduletime =
1134 RtsFlags.GranFlags.Costs.threaddescheduletime =
1135 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1137 RtsFlags.GranFlags.Costs.mpacktime =
1138 RtsFlags.GranFlags.Costs.munpacktime = 0;
1140 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1141 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1142 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1143 /* FetchStrategy is irrelevant in GrAnSim-Light */
1145 /* GrAnSim Light often creates an abundance of parallel threads,
1146 each with its own stack etc. Therefore, it's in general a good
1147 idea to use small stack chunks (use the -o<size> option to
1150 // RtsFlags.ConcFlags.stkChunkSize = 100;
1152 RtsFlags.GranFlags.proc = 1;
1156 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1158 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1161 /* or a ridiculously idealised simulator */
1162 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1163 RtsFlags.GranFlags.Costs.latency =
1164 RtsFlags.GranFlags.Costs.fetchtime =
1165 RtsFlags.GranFlags.Costs.additional_latency =
1166 RtsFlags.GranFlags.Costs.gunblocktime =
1167 RtsFlags.GranFlags.Costs.lunblocktime =
1168 RtsFlags.GranFlags.Costs.threadcreatetime =
1169 RtsFlags.GranFlags.Costs.threadqueuetime =
1170 RtsFlags.GranFlags.Costs.threadscheduletime =
1171 RtsFlags.GranFlags.Costs.threaddescheduletime =
1172 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1174 RtsFlags.GranFlags.Costs.mpacktime =
1175 RtsFlags.GranFlags.Costs.munpacktime = 0;
1177 RtsFlags.GranFlags.Costs.arith_cost =
1178 RtsFlags.GranFlags.Costs.float_cost =
1179 RtsFlags.GranFlags.Costs.load_cost =
1180 RtsFlags.GranFlags.Costs.store_cost =
1181 RtsFlags.GranFlags.Costs.branch_cost = 0;
1183 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1185 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1186 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1187 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1188 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1192 /* or a somewhat idealised simulator */
1193 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1194 RtsFlags.GranFlags.Costs.latency =
1195 RtsFlags.GranFlags.Costs.fetchtime =
1196 RtsFlags.GranFlags.Costs.additional_latency =
1197 RtsFlags.GranFlags.Costs.gunblocktime =
1198 RtsFlags.GranFlags.Costs.lunblocktime =
1199 RtsFlags.GranFlags.Costs.threadcreatetime =
1200 RtsFlags.GranFlags.Costs.threadqueuetime =
1201 RtsFlags.GranFlags.Costs.threadscheduletime =
1202 RtsFlags.GranFlags.Costs.threaddescheduletime =
1203 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1205 RtsFlags.GranFlags.Costs.mpacktime =
1206 RtsFlags.GranFlags.Costs.munpacktime = 0;
1208 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1210 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1211 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1212 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1213 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1214 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1215 # if defined(GRAN_CHECK) && defined(GRAN)
1216 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1221 /* Communication and task creation cost parameters */
1222 switch(rts_argv[arg][2]) {
1224 IgnoreYields = rtsTrue; // HWL HACK
1228 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1232 if (rts_argv[arg][3] != '\0')
1234 RtsFlags.GranFlags.Costs.gunblocktime =
1235 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1236 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1239 RtsFlags.GranFlags.Costs.latency = LATENCY;
1243 if (rts_argv[arg][3] != '\0')
1244 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1246 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1250 if (rts_argv[arg][3] != '\0')
1251 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1253 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1257 if (rts_argv[arg][3] != '\0')
1258 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1260 RtsFlags.GranFlags.Costs.mtidytime = 0;
1264 if (rts_argv[arg][3] != '\0')
1265 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1267 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1271 if (rts_argv[arg][3] != '\0')
1272 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1274 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1278 if (rts_argv[arg][3] != '\0')
1279 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1281 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1285 if (rts_argv[arg][3] != '\0')
1286 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1288 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1291 /* Thread-related metrics */
1293 if (rts_argv[arg][3] != '\0')
1294 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1296 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1300 if (rts_argv[arg][3] != '\0')
1301 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1303 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1307 if (rts_argv[arg][3] != '\0')
1308 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1310 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1312 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1313 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1317 if (rts_argv[arg][3] != '\0')
1318 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1320 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1322 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1323 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1326 /* Instruction Cost Metrics */
1328 if (rts_argv[arg][3] != '\0')
1329 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1331 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1335 if (rts_argv[arg][3] != '\0')
1336 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1338 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1342 if (rts_argv[arg][3] != '\0')
1343 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1345 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1349 if (rts_argv[arg][3] != '\0')
1350 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1352 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1356 if (rts_argv[arg][3] != '\0')
1357 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1359 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1363 if (rts_argv[arg][3] != '\0')
1364 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1366 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1370 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1371 if (rts_argv[arg][3] != '\0')
1372 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1374 RtsFlags.GranFlags.FetchStrategy = 2;
1375 if (RtsFlags.GranFlags.FetchStrategy == 0)
1376 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1379 case 'K': /* sort overhead (per elem in spark list) */
1380 if (rts_argv[arg][3] != '\0')
1381 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1383 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1384 debugBelch("Overhead for pri spark: %d (per elem).\n",
1385 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1388 case 'O': /* sort overhead (per elem in spark list) */
1389 if (rts_argv[arg][3] != '\0')
1390 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1392 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1393 debugBelch("Overhead for pri sched: %d (per elem).\n",
1394 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1397 /* General Parameters */
1399 if (rts_argv[arg][3] != '\0')
1401 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1402 if (RtsFlags.GranFlags.proc==0) {
1403 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1404 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1405 RtsFlags.GranFlags.proc < 1)
1407 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1413 RtsFlags.GranFlags.proc = MAX_PROC;
1417 RtsFlags.GranFlags.Fishing = rtsTrue;
1418 if (rts_argv[arg][3] != '\0')
1419 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1421 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1425 if (rts_argv[arg][3] != '\0')
1426 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1428 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1432 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1433 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1437 debugBelch("Bulk fetching enabled.\n");
1438 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1442 debugBelch("Thread migration enabled.\n");
1443 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1447 debugBelch("Fair Scheduling enabled.\n");
1448 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1452 debugBelch("Priority Scheduling enabled.\n");
1453 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1457 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1458 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1462 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1466 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1470 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1474 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1478 /* format is -bP<c> where <c> is one char describing kind of profile */
1479 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1480 switch(rts_argv[arg][3]) {
1481 case '\0': break; // nothing special, just an ordinary profile
1482 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1484 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1486 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1488 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1490 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1492 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1494 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1499 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1503 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1506 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1507 if (rts_argv[arg][3] != '\0') {
1510 arg0 = rts_argv[arg]+3;
1511 if ((tmp = strstr(arg0,","))==NULL) {
1512 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1513 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1516 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1517 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1518 debugBelch("SparkPriority: %u.\n",
1519 RtsFlags.GranFlags.SparkPriority);
1520 debugBelch("SparkPriority2:%u.\n",
1521 RtsFlags.GranFlags.SparkPriority2);
1522 if (RtsFlags.GranFlags.SparkPriority2 <
1523 RtsFlags.GranFlags.SparkPriority) {
1524 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1525 RtsFlags.GranFlags.SparkPriority2,
1526 RtsFlags.GranFlags.SparkPriority);
1530 /* plain pri spark is now invoked with -bX
1531 RtsFlags.GranFlags.DoPrioritySparking = 1;
1532 debugBelch("PrioritySparking.\n");
1538 if (rts_argv[arg][3] != '\0') {
1539 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1541 RtsFlags.GranFlags.ThunksToPack = 1;
1543 debugBelch("Thunks To Pack in one packet: %u.\n",
1544 RtsFlags.GranFlags.ThunksToPack);
1548 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1549 debugBelch("Deterministic mode (no random stealing)\n");
1552 /* The following class of options contains eXperimental */
1553 /* features in connection with exploiting granularity */
1554 /* information. I.e. if -bY is chosen these options */
1555 /* tell the RTS what to do with the supplied info --HWL */
1558 if (rts_argv[arg][3] != '\0') {
1559 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1561 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1563 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1564 RtsFlags.GranFlags.packBufferSize_internal);
1568 switch(rts_argv[arg][3]) {
1571 RtsFlags.GranFlags.DoPrioritySparking = 1;
1572 debugBelch("Priority Sparking with Normal Priorities.\n");
1573 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1574 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1575 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1579 RtsFlags.GranFlags.DoPrioritySparking = 1;
1580 debugBelch("Priority Sparking with Inverse Priorities.\n");
1581 RtsFlags.GranFlags.InversePriorities++;
1585 RtsFlags.GranFlags.DoPrioritySparking = 1;
1586 debugBelch("Priority Sparking with Random Priorities.\n");
1587 RtsFlags.GranFlags.RandomPriorities++;
1591 RtsFlags.GranFlags.DoPrioritySparking = 1;
1592 debugBelch("Priority Sparking with No Priorities.\n");
1593 RtsFlags.GranFlags.IgnorePriorities++;
1597 bad_option( rts_argv[arg] );
1603 switch(rts_argv[arg][3]) {
1606 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1607 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1611 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1615 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1619 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1623 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1624 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1628 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1632 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1636 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1640 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1644 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1648 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1652 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1656 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1657 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1661 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1665 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1669 bad_option( rts_argv[arg] );
1674 # if defined(GRAN_CHECK) && defined(GRAN)
1676 switch(rts_argv[arg][3]) {
1677 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1678 if (rts_argv[arg][4] != '\0') {
1679 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1680 debugBelch("Pack buffer size: %d\n",
1681 RtsFlags.GranFlags.packBufferSize);
1683 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1689 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1690 /* hack warning: interpret the flags as a binary number */
1691 nat n = decode(rts_argv[arg]+3);
1692 set_GranSim_debug_options(n);
1695 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1696 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1699 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1700 debugBelch("Valid GranSim debug options are:\n");
1701 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1702 bad_option( rts_argv[arg] );
1703 } else { // flag found; now set it
1704 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1710 case 'e': /* event trace; also -bD1 */
1711 debugBelch("DEBUG: event_trace; printing event trace.\n");
1712 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1713 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1716 case 'E': /* event statistics; also -bD2 */
1717 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1718 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1719 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1722 case 'f': /* thunkStealing; also -bD4 */
1723 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1724 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1725 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1728 case 'z': /* blockOnFetch; also -bD8 */
1729 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1730 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1731 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1734 case 't': /* blockOnFetch_sanity; also -bD16 */
1735 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1736 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1737 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1740 case 'S': /* priSpark; also -bD32 */
1741 debugBelch("DEBUG: priSpark; priority sparking.\n");
1742 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1745 case 's': /* priSched; also -bD64 */
1746 debugBelch("DEBUG: priSched; priority scheduling.\n");
1747 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1750 case 'F': /* findWork; also -bD128 */
1751 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1752 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1755 case 'g': /* globalBlock; also -bD256 */
1756 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1757 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1760 case 'G': /* pack; also -bD512 */
1761 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1762 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1765 case 'P': /* packBuffer; also -bD1024 */
1766 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1767 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1770 case 'o': /* sortedQ; also -bD2048 */
1771 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1772 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1775 case 'r': /* randomSteal; also -bD4096 */
1776 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1777 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1780 case 'q': /* checkSparkQ; also -bD8192 */
1781 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1782 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1785 case ':': /* checkLight; also -bD16384 */
1786 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1787 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1790 case 'b': /* bq; also -bD32768 */
1791 debugBelch("DEBUG: bq; check blocking queues\n");
1792 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1795 case 'd': /* all options turned on */
1796 debugBelch("DEBUG: all options turned on.\n");
1797 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1798 /* RtsFlags.GranFlags.Debug |= 0x40; */
1802 /* RtsFlags.GranFlags.Debug = 1; */
1808 # endif /* GRAN_CHECK */
1810 bad_option( rts_argv[arg] );
1816 Interpret n as a binary number masking GranSim debug options and set the
1817 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1820 set_GranSim_debug_options(nat n) {
1823 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1825 errorBelch(gran_debug_opts_strs[i]);
1827 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1828 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1829 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1830 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1831 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1832 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1833 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1834 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1835 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1836 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1837 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1838 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1839 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1840 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1841 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1842 default: barf("set_GranSim_debug_options: only %d debug options expected");
1848 Print one line explanation for each of the GranSim debug options specified
1852 help_GranSim_debug_options(nat n) {
1855 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1857 debugBelch(gran_debug_opts_strs[i]);
1863 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1866 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1867 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1871 /* Communication and task creation cost parameters */
1872 switch(rts_argv[arg][2]) {
1873 case 'e': /* -qe<n> ... allow <n> local sparks */
1874 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1875 RtsFlags.ParFlags.maxLocalSparks
1876 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1878 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1879 errorBelch("setupRtsFlags: bad value for -e\n");
1883 IF_PAR_DEBUG(verbose,
1884 errorBelch("-qe<n>: max %d local sparks",
1885 RtsFlags.ParFlags.maxLocalSparks));
1889 if (rts_argv[arg][3] != '\0') {
1890 RtsFlags.ParFlags.maxThreads
1891 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1893 errorBelch("missing size for -qt\n");
1896 IF_PAR_DEBUG(verbose,
1897 errorBelch("-qt<n>: max %d threads",
1898 RtsFlags.ParFlags.maxThreads));
1902 if (rts_argv[arg][3] != '\0')
1903 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1905 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1907 IF_PAR_DEBUG(verbose,
1908 errorBelch("-qf<n>: max %d fishes sent out at one time",
1909 RtsFlags.ParFlags.maxFishes));
1913 if (rts_argv[arg][3] != '\0') {
1914 RtsFlags.ParFlags.fishDelay
1915 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1917 errorBelch("missing fish delay time for -qF\n");
1920 IF_PAR_DEBUG(verbose,
1921 errorBelch("-qF<n>: fish delay time %d us",
1922 RtsFlags.ParFlags.fishDelay));
1926 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1927 IF_PAR_DEBUG(verbose,
1928 errorBelch("-qO: output disabled"));
1931 case 'g': /* -qg<n> ... globalisation scheme */
1932 if (rts_argv[arg][3] != '\0') {
1933 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1935 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
1938 IF_PAR_DEBUG(verbose,
1939 debugBelch("-qg<n>: globalisation scheme set to %d",
1940 RtsFlags.ParFlags.globalising));
1943 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1944 if (rts_argv[arg][3] != '\0') {
1945 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1947 errorBelch("missing number of thunks per packet (for -qh)\n");
1950 IF_PAR_DEBUG(verbose,
1951 debugBelch("-qh<n>: thunks per packet set to %d",
1952 RtsFlags.ParFlags.thunksToPack));
1955 case 'P': /* -qP for writing a log file */
1956 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1957 /* same encoding as in GranSim after -bP */
1958 switch(rts_argv[arg][3]) {
1959 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1960 break; // nothing special, just an ordinary profile
1961 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1962 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1964 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1966 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1968 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1970 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1973 # if defined(PAR_TICKY)
1974 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1976 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
1977 stg_exit(EXIT_FAILURE);
1980 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1982 IF_PAR_DEBUG(verbose,
1983 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1984 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1987 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1988 if (rts_argv[arg][3] != '\0') {
1989 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1991 errorBelch("missing size of PackBuffer (for -qQ)\n");
1994 IF_PAR_DEBUG(verbose,
1995 debugBelch("-qQ<n>: pack buffer size set to %d",
1996 RtsFlags.ParFlags.packBufferSize));
2000 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2001 IF_PAR_DEBUG(verbose,
2002 debugBelch("-qR: fair-ish scheduling"));
2007 if (rts_argv[arg][3] != '\0') {
2008 RtsFlags.ParFlags.wait
2009 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2011 RtsFlags.ParFlags.wait = 1000;
2013 IF_PAR_DEBUG(verbose,
2014 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2015 RtsFlags.ParFlags.wait));
2018 case 'D': /* -qD ... all the debugging options */
2019 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2020 /* hack warning: interpret the flags as a binary number */
2021 nat n = decode(rts_argv[arg]+3);
2022 set_par_debug_options(n);
2025 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2026 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2029 if (i==MAX_PAR_DEBUG_OPTION+1) {
2030 errorBelch("Valid GUM debug options are:\n");
2031 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2032 bad_option( rts_argv[arg] );
2033 } else { // flag found; now set it
2034 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2040 errorBelch("Unknown option -q%c (%d opts in total)",
2041 rts_argv[arg][2], *rts_argc);
2047 Interpret n as a binary number masking Par debug options and set the
2048 correxponding option. See par_debug_opts_strs for explanations of the flags.
2051 set_par_debug_options(nat n) {
2054 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2056 debugBelch(par_debug_opts_strs[i]);
2058 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2059 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2060 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2061 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2062 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2063 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2064 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2065 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2066 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2067 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2068 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2069 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2070 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2071 default: barf("set_par_debug_options: only %d debug options expected",
2072 MAX_PAR_DEBUG_OPTION);
2078 Print one line explanation for each of the GranSim debug options specified
2082 help_par_debug_options(nat n) {
2085 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2087 debugBelch(par_debug_opts_strs[i]);
2092 //@node Aux fcts, , GranSim specific options
2093 //@subsection Aux fcts
2096 stats_fprintf(FILE *f, char *s, ...)
2108 static int /* return -1 on error */
2111 int argc, char *argv[],
2112 int rts_argc, char *rts_argv[],
2113 const char *FILENAME_FMT,
2118 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2119 f = NULL; /* NULL means use debugBelch */
2121 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2122 f = fopen(rts_argv[arg]+2,"w");
2124 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2125 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2126 f = fopen(stats_filename,"w");
2129 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2136 /* Write argv and rtsv into start of stats file */
2138 for(count = 0; count < argc; count++) {
2139 stats_fprintf(f, "%s ", argv[count]);
2141 stats_fprintf(f, "+RTS ");
2142 for(count = 0; count < rts_argc; count++)
2143 stats_fprintf(f, "%s ", rts_argv[count]);
2144 stats_fprintf(f, "\n");
2152 decode(const char *s)
2163 if (c == 'g' || c == 'G')
2164 m *= 1000*1000*1000; /* UNchecked! */
2165 else if (c == 'm' || c == 'M')
2166 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2167 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2168 m *= 1000; /* a direct-mapped cache. */
2169 else if (c == 'w' || c == 'W')
2176 bad_option(const char *s)
2178 errorBelch("bad RTS option: %s", s);
2179 stg_exit(EXIT_FAILURE);
2182 /* -----------------------------------------------------------------------------
2183 Getting/Setting the program's arguments.
2185 These are used by System.Environment, and parts of the RTS.
2186 -------------------------------------------------------------------------- */
2189 setProgName(char *argv[])
2191 /* Remove directory from argv[0] -- default files in current directory */
2192 #if !defined(mingw32_HOST_OS)
2194 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2195 prog_name = last_slash+1;
2197 prog_name = argv[0];
2200 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2201 while ( last_slash > argv[0] ) {
2202 if ( *last_slash == '/' || *last_slash == '\\' ) {
2203 prog_name = last_slash+1;
2208 prog_name = argv[0];
2213 getProgArgv(int *argc, char **argv[])
2215 if (argc) { *argc = prog_argc; }
2216 if (argv) { *argv = prog_argv; }
2220 setProgArgv(int argc, char *argv[])
2222 /* Usually this is done by startupHaskell, so we don't need to call this.
2223 However, sometimes Hugs wants to change the arguments which Haskell
2224 getArgs >>= ... will be fed. So you can do that by calling here
2225 _after_ calling startupHaskell.
2229 setProgName(prog_argv);