1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.41 2001/07/23 17:23:19 simonmar Exp $
4 * (c) The AQUA Project, Glasgow University, 1994-1997
5 * (c) The GHC Team, 1998-1999
7 * Functions for parsing the argument list.
9 * ---------------------------------------------------------------------------*/
14 //* Static function decls::
15 //* Command-line option parsing routines::
16 //* GranSim specific options::
21 //@node Includes, Constants
22 //@subsection Includes
27 #include "BlockAlloc.h"
28 #include "Itimer.h" /* CS_MIN_MILLISECS */
29 #include "Profiling.h"
31 #if defined(PROFILING)
39 extern struct RTS_FLAGS RtsFlags;
42 * Split argument lists
44 int prog_argc; /* an "int" so as to match normal "argc" */
45 char **prog_argv = NULL;
46 int rts_argc; /* ditto */
47 char *rts_argv[MAX_RTS_ARGS];
49 //@node Constants, Static function decls, Includes
50 //@subsection Constants
53 * constants, used later
58 char *debug_opts_strs[] = {
59 "DEBUG (-D1): scheduler\n",
60 "DEBUG (-D2): evaluator\n",
61 "DEBUG (-D4): codegen\n",
62 "DEBUG (-D8): weak\n",
63 "DEBUG (-D16): gccafs\n",
65 "DEBUG (-D64): block\n",
66 "DEBUG (-D128): sanity\n",
67 "DEBUG (-D256): stable\n",
68 "DEBUG (-D512): prof\n",
69 "DEBUG (-D1024): gran\n",
70 "DEBUG (-D2048): par\n",
71 "DEBUG (-D4096): linker\n"
74 char *debug_opts_prefix[] = {
92 char *gran_debug_opts_strs[] = {
93 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
94 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
95 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
96 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
97 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
98 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
99 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
100 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
101 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
102 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
103 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
104 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
105 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
106 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
107 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
110 /* one character codes for the available debug options */
111 char gran_debug_opts_flags[] = {
112 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
115 /* prefix strings printed with the debug messages of the corresponding type */
116 char *gran_debug_opts_prefix[] = {
117 "", /* event_trace */
118 "", /* event_stats */
121 "^^", /* checkSparkQ */
122 "==", /* thunkStealing */
123 "^^", /* randomSteal */
127 "::", /* checkLight */
129 "", /* blockOnFetch */
131 "" /* blockOnFetch_sanity */
136 char *par_debug_opts_strs[] = {
137 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
138 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
139 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
140 "DEBUG (-qDe, -qD8): free; free messages.\n",
141 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
142 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
143 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
144 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
145 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
146 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
147 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
148 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
149 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
150 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
153 /* one character codes for the available debug options */
154 char par_debug_opts_flags[] = {
155 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
158 /* prefix strings printed with the debug messages of the corresponding type */
159 char *par_debug_opts_prefix[] = {
177 //@node Static function decls, Command-line option parsing routines, Constants
178 //@subsection Static function decls
180 /* -----------------------------------------------------------------------------
181 Static function decls
182 -------------------------------------------------------------------------- */
184 static FILE * /* return NULL on error */
187 int argc, char *argv[],
188 int rts_argc, char *rts_argv[],
189 const char *FILENAME_FMT);
191 static I_ decode(const char *s);
192 static void bad_option(const char *s);
195 static void enable_GranSimLight(void);
196 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
197 static void set_GranSim_debug_options(nat n);
198 static void help_GranSim_debug_options(nat n);
200 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
201 static void set_par_debug_options(nat n);
202 static void help_par_debug_options(nat n);
205 static void set_debug_options(nat n);
206 static void help_debug_options(nat n);
209 //@node Command-line option parsing routines, GranSim specific options, Static function decls
210 //@subsection Command-line option parsing routines
212 /* -----------------------------------------------------------------------------
213 * Command-line option parsing routines.
214 * ---------------------------------------------------------------------------*/
216 void initRtsFlagsDefaults(void)
218 RtsFlags.GcFlags.statsFile = NULL;
219 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
221 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
222 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
224 RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
225 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
226 RtsFlags.GcFlags.maxHeapSize = (64 * 1024 * 1024) / BLOCK_SIZE;
227 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
228 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
229 RtsFlags.GcFlags.oldGenFactor = 2;
231 /* A hack currently needed for GUM -- HWL */
232 RtsFlags.GcFlags.generations = 1;
233 RtsFlags.GcFlags.steps = 2;
234 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
236 RtsFlags.GcFlags.generations = 2;
237 RtsFlags.GcFlags.steps = 2;
238 RtsFlags.GcFlags.compact = rtsFalse;
239 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
241 #ifdef RTS_GTK_FRONTPANEL
242 RtsFlags.GcFlags.frontpanel = rtsFalse;
245 #if defined(PROFILING) || defined(PAR)
246 RtsFlags.CcFlags.doCostCentres = 0;
247 #endif /* PROFILING or PAR */
250 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
251 RtsFlags.ProfFlags.profileFrequency = 20;
252 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
253 RtsFlags.ProfFlags.modSelector = NULL;
254 RtsFlags.ProfFlags.descrSelector = NULL;
255 RtsFlags.ProfFlags.typeSelector = NULL;
256 RtsFlags.ProfFlags.ccSelector = NULL;
258 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
261 RtsFlags.ConcFlags.ctxtSwitchTime = CS_MIN_MILLISECS; /* In milliseconds */
264 RtsFlags.ParFlags.nNodes = 1;
268 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
269 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
270 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
271 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
272 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
273 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
274 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
276 RtsFlags.ParFlags.outputDisabled = rtsFalse;
278 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
280 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
282 RtsFlags.ParFlags.packBufferSize = 1024;
283 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
284 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
285 RtsFlags.ParFlags.maxThreads = 1024;
286 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
287 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
290 #if defined(PAR) || defined(SMP)
291 RtsFlags.ParFlags.maxLocalSparks = 4096;
292 #endif /* PAR || SMP */
295 /* ToDo: check defaults for GranSim and GUM */
296 RtsFlags.GcFlags.maxStkSize = (1024 * 1024) / sizeof(W_);
297 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
299 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
300 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
301 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
302 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
303 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
304 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
305 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
306 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
308 RtsFlags.GranFlags.packBufferSize = 1024;
309 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
311 RtsFlags.GranFlags.proc = MAX_PROC;
312 RtsFlags.GranFlags.Fishing = rtsFalse;
313 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
314 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
315 RtsFlags.GranFlags.Light = rtsFalse;
317 RtsFlags.GranFlags.Costs.latency = LATENCY;
318 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
319 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
320 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
321 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
322 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
323 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
324 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
326 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
327 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
328 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
329 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
330 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
332 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
333 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
334 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
335 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
336 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
338 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
340 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
341 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
343 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
344 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
345 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
346 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
347 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
348 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
349 RtsFlags.GranFlags.FetchStrategy = 2;
350 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
351 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
352 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
353 RtsFlags.GranFlags.SparkPriority = 0;
354 RtsFlags.GranFlags.SparkPriority2 = 0;
355 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
356 RtsFlags.GranFlags.InversePriorities = rtsFalse;
357 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
358 RtsFlags.GranFlags.ThunksToPack = 0;
359 RtsFlags.GranFlags.RandomSteal = rtsTrue;
363 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
364 RtsFlags.TickyFlags.tickyFile = NULL;
371 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
373 " +RTS Indicates run time system options follow",
374 " -RTS Indicates program arguments follow",
375 " --RTS Indicates that ALL subsequent arguments will be given to the",
376 " program (including any of these RTS flags)",
378 "The following run time system options are available:",
380 " -? Prints this message and exits; the program is not executed",
382 " -K<size> Sets the maximum stack size (default 1M) Egs: -K32k -K512k",
383 " -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
385 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
386 " -M<size> Sets the maximum heap size (default 64M) Egs: -M256k -M1G",
387 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
388 " -m<n>% Minimum % of heap which must be available (default 3%)",
389 " -G<n> Number of generations (default: 2)",
390 " -T<n> Number of steps in younger generations (default: 2)",
391 " -c Enable compaction for the oldest generation",
393 " -t<file> One-line GC statistics (default file: <program>.stat)",
394 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
395 " -S<file> Detailed GC statistics",
396 #ifdef RTS_GTK_FRONTPANEL
397 " -f Display front panel (requires X11 & GTK+)",
401 " -Z Don't squeeze out update frames on stack overflow",
402 " -B Sound the bell at the start of each garbage collection",
403 #if defined(PROFILING) || defined(PAR)
405 " -px Time/allocation profile (XML) (output file <program>.prof)",
406 " -p<sort> Time/allocation profile (output file <program>.prof)",
407 " sort: T = time (default), A = alloc, C = cost centre label",
408 " -P<sort> More detailed Time/Allocation profile",
410 # if defined(PROFILING)
412 " -hx Heap residency profile (XML) (output file <program>.prof)",
413 " -h<break-down> Heap residency profile (text) (output file <program>.prof)",
414 " break-down: C = cost centre stack (default), M = module",
415 " D = closure description, Y = type description",
416 " A subset of closures may be selected thusly:",
417 " -hc{cc, cc ...} specific cost centre(s) (NOT STACKS!)",
418 " -hm{mod,mod...} all cost centres from the specified modules(s)",
419 " -hd{des,des...} closures with specified closure descriptions",
420 " -hy{typ,typ...} closures with specified type descriptions",
422 " -i<msec> Time between heap samples (msec, default: 20)",
424 " -xc Show current cost centre stack on raising an exception",
426 #endif /* PROFILING or PAR */
427 #if !defined(PROFILING) && defined(DEBUG)
429 " -h<break-down> Debugging Heap residency profile",
430 " (output file <program>.hp)",
431 " break-down: L = closure label (default)",
432 " T = closure type (constructor, thunk etc.)",
435 #if defined(TICKY_TICKY)
436 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
440 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
441 /* NB: the -N<n> is implemented by the driver!! */
443 " -C<secs> Context-switch interval in seconds",
444 " (0 or no argument means switch as often as possible)",
445 " the default is .02 sec; resolution is .02 sec",
447 " -N<n> Use <n> OS threads (default: 1)",
449 #if defined(SMP) || defined(PAR)
450 " -e<size> Size of spark pools (default 100)",
453 " -t<num> Set maximum number of advisory threads per PE (default 32)",
454 " -qP Enable activity profile (output files in ~/<program>*.gr)",
455 " -qQ<size> Set pack-buffer size (default: 1024)",
456 " -qd Turn on PVM-ish debugging",
457 " -qO Disable output for performance measurement",
459 #if defined(SMP) || defined(PAR)
460 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
463 " -d Turn on PVM-ish debugging",
464 " -O Disable output for performance measurement",
466 #if defined(GRAN) /* ToDo: fill in decent Docu here */
467 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
470 "Other RTS options may be available for programs compiled a different way.",
471 "The GHC User's Guide has full details.",
476 static __inline__ rtsBool
477 strequal(const char *a, const char * b)
479 return(strcmp(a, b) == 0);
483 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
485 rtsBool error = rtsFalse;
490 /* Remove directory from argv[0] -- default files in current directory */
492 if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
493 strcpy(argv[0], last_slash+1);
495 /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
496 /* argv[0] must be PGM argument -- leave in argv */
504 for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
505 if (strequal("+RTS", argv[arg])) {
508 else if (strequal("-RTS", argv[arg])) {
511 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
512 rts_argv[(*rts_argc)++] = argv[arg];
514 else if (mode == PGM) {
515 argv[(*argc)++] = argv[arg];
518 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
521 if (arg < total_arg) {
522 /* arg must be --RTS; process remaining program arguments */
523 while (++arg < total_arg) {
524 argv[(*argc)++] = argv[arg];
527 argv[*argc] = (char *) 0;
528 rts_argv[*rts_argc] = (char *) 0;
530 /* Process RTS (rts_argv) part: mainly to determine statsfile */
532 for (arg = 0; arg < *rts_argc; arg++) {
533 if (rts_argv[arg][0] != '-') {
535 prog_belch("unexpected RTS argument: %s", rts_argv[arg]);
539 switch(rts_argv[arg][1]) {
541 /* process: general args, then PROFILING-only ones,
542 then CONCURRENT-only, PARallel-only, GRAN-only,
543 TICKY-only (same order as defined in RtsFlags.lh);
544 within those groups, mostly in case-insensitive
546 Final group is x*, which allows for more options.
550 # define TICKY_BUILD_ONLY(x) x
552 # define TICKY_BUILD_ONLY(x) \
553 prog_belch("GHC not built for: ticky-ticky stats"); \
557 #if defined(PROFILING)
558 # define COST_CENTRE_USING_BUILD_ONLY(x) x
560 # define COST_CENTRE_USING_BUILD_ONLY(x) \
561 prog_belch("GHC not built for: -prof or -parallel"); \
566 # define PROFILING_BUILD_ONLY(x) x
568 # define PROFILING_BUILD_ONLY(x) \
569 prog_belch("GHC not built for: -prof"); \
574 # define SMP_BUILD_ONLY(x) x
576 # define SMP_BUILD_ONLY(x) \
577 prog_belch("GHC not built for: -smp"); \
582 # define PAR_BUILD_ONLY(x) x
584 # define PAR_BUILD_ONLY(x) \
585 prog_belch("GHC not built for: -parallel"); \
589 #if defined(SMP) || defined(PAR)
590 # define PAR_OR_SMP_BUILD_ONLY(x) x
592 # define PAR_OR_SMP_BUILD_ONLY(x) \
593 prog_belch("GHC not built for: -parallel or -smp"); \
598 # define GRAN_BUILD_ONLY(x) x
600 # define GRAN_BUILD_ONLY(x) \
601 prog_belch("GHC not built for: -gransim"); \
605 /* =========== GENERAL ========================== */
611 RtsFlags.GcFlags.minAllocAreaSize
612 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
613 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
614 bad_option(rts_argv[arg]);
619 RtsFlags.GcFlags.ringBell = rtsTrue;
623 RtsFlags.GcFlags.compact = rtsTrue;
627 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
629 if (RtsFlags.GcFlags.oldGenFactor < 0)
630 bad_option( rts_argv[arg] );
635 if (isdigit(rts_argv[arg][2])) {/* Set all debugging options in one */
636 /* hack warning: interpret the flags as a binary number */
637 nat n = decode(rts_argv[arg]+2);
638 set_debug_options(n);
644 RtsFlags.GcFlags.maxStkSize =
645 decode(rts_argv[arg]+2) / sizeof(W_);
647 if (RtsFlags.GcFlags.maxStkSize == 0)
648 bad_option( rts_argv[arg] );
652 RtsFlags.GcFlags.initialStkSize =
653 decode(rts_argv[arg]+2) / sizeof(W_);
655 if (RtsFlags.GcFlags.initialStkSize == 0)
656 bad_option( rts_argv[arg] );
660 RtsFlags.GcFlags.maxHeapSize =
661 decode(rts_argv[arg]+2) / BLOCK_SIZE;
662 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
664 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
665 bad_option(rts_argv[arg]);
670 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
672 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
673 RtsFlags.GcFlags.pcFreeHeap > 100)
674 bad_option( rts_argv[arg] );
678 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
679 if (RtsFlags.GcFlags.generations < 1) {
680 bad_option(rts_argv[arg]);
685 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
686 if (RtsFlags.GcFlags.steps < 1) {
687 bad_option(rts_argv[arg]);
692 RtsFlags.GcFlags.heapSizeSuggestion =
693 decode(rts_argv[arg]+2) / BLOCK_SIZE;
695 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
696 bad_option(rts_argv[arg]);
700 #ifdef RTS_GTK_FRONTPANEL
702 RtsFlags.GcFlags.frontpanel = rtsTrue;
707 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
711 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
715 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
720 /* Opening all those files would almost certainly fail... */
721 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
722 RtsFlags.GcFlags.statsFile = stderr; /* temporary; ToDo: rm */
724 RtsFlags.GcFlags.statsFile
725 = open_stats_file(arg, *argc, argv,
726 *rts_argc, rts_argv, STAT_FILENAME_FMT);
728 if (RtsFlags.GcFlags.statsFile == NULL) error = rtsTrue;
733 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
736 /* =========== PROFILING ========================== */
738 case 'P': /* detailed cost centre profiling (time/alloc) */
739 COST_CENTRE_USING_BUILD_ONLY(
740 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_VERBOSE;
742 case 'p': /* cost centre profiling (time/alloc) */
743 COST_CENTRE_USING_BUILD_ONLY(
744 switch (rts_argv[arg][2]) {
746 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
749 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_SUMMARY;
754 case 'h': /* serial heap profile */
755 #if !defined(PROFILING) && defined(DEBUG)
756 switch (rts_argv[arg][2]) {
759 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
762 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
765 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
769 PROFILING_BUILD_ONLY(
770 switch (rts_argv[arg][2]) {
773 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
776 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
779 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
782 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
784 case 'c': /* cost centre label select */
785 case 'm': /* cost centre module select */
786 case 'd': /* closure descr select */
787 case 'y': /* closure type select */
788 {char *left = strchr(rts_argv[arg], '{');
789 char *right = strrchr(rts_argv[arg], '}');
790 if (! left || ! right ||
791 strrchr(rts_argv[arg], '{') != left ||
792 strchr(rts_argv[arg], '}') != right) {
794 "Invalid heap profiling selection bracketing\n %s\n",
799 switch (rts_argv[arg][2]) {
800 case 'c': /* cost centre label select */
801 RtsFlags.ProfFlags.ccSelector = left + 1;
803 case 'm': /* cost centre module select */
804 RtsFlags.ProfFlags.modSelector = left + 1;
806 case 'd': /* closure descr select */
807 RtsFlags.ProfFlags.descrSelector = left + 1;
809 case 'y': /* closure type select */
810 RtsFlags.ProfFlags.typeSelector = left + 1;
817 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
825 #if defined(PROFILING)
826 case 'i': /* heap sample interval */
827 if (rts_argv[arg][2] == '\0') {
832 /* Convert to milliseconds */
833 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
834 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
835 if (cst != 0 && cst < CS_MIN_MILLISECS)
836 cst = CS_MIN_MILLISECS;
838 RtsFlags.ProfFlags.profileFrequency = cst;
845 /* =========== CONCURRENT ========================= */
846 case 'C': /* context switch interval */
847 if (rts_argv[arg][2] == '\0')
848 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
852 /* Convert to milliseconds */
853 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
854 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
855 if (cst != 0 && cst < CS_MIN_MILLISECS)
856 cst = CS_MIN_MILLISECS;
858 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
865 if (rts_argv[arg][2] != '\0') {
866 RtsFlags.ParFlags.nNodes
867 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
868 if (RtsFlags.ParFlags.nNodes <= 0) {
869 prog_belch("bad value for -N");
875 /* =========== PARALLEL =========================== */
877 PAR_OR_SMP_BUILD_ONLY(
878 if (rts_argv[arg][2] != '\0') {
879 RtsFlags.ParFlags.maxLocalSparks
880 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
881 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
882 prog_belch("bad value for -e");
890 process_par_option(arg, rts_argc, rts_argv, &error);
893 /* =========== GRAN =============================== */
897 process_gran_option(arg, rts_argc, rts_argv, &error);
900 /* =========== TICKY ============================== */
902 case 'r': /* Basic profiling stats */
905 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
906 RtsFlags.TickyFlags.tickyFile
907 = open_stats_file(arg, *argc, argv,
908 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
910 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
913 /* =========== EXTENDED OPTIONS =================== */
915 case 'x': /* Extend the argument space */
916 switch(rts_argv[arg][2]) {
918 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
922 case 'c': /* Debugging tool: show current cost centre on an exception */
923 PROFILING_BUILD_ONLY(
924 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
927 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
930 prog_belch("unknown RTS option: %s",rts_argv[arg]);
934 break; /* defensive programming */
936 /* =========== OH DEAR ============================ */
938 prog_belch("unknown RTS option: %s",rts_argv[arg]);
948 for (p = usage_text; *p; p++)
950 stg_exit(EXIT_FAILURE);
956 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
957 //@subsection GranSim specific options
960 enable_GranSimLight(void) {
962 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
963 RtsFlags.GranFlags.Light=rtsTrue;
964 RtsFlags.GranFlags.Costs.latency =
965 RtsFlags.GranFlags.Costs.fetchtime =
966 RtsFlags.GranFlags.Costs.additional_latency =
967 RtsFlags.GranFlags.Costs.gunblocktime =
968 RtsFlags.GranFlags.Costs.lunblocktime =
969 RtsFlags.GranFlags.Costs.threadcreatetime =
970 RtsFlags.GranFlags.Costs.threadqueuetime =
971 RtsFlags.GranFlags.Costs.threadscheduletime =
972 RtsFlags.GranFlags.Costs.threaddescheduletime =
973 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
975 RtsFlags.GranFlags.Costs.mpacktime =
976 RtsFlags.GranFlags.Costs.munpacktime = 0;
978 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
979 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
980 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
981 /* FetchStrategy is irrelevant in GrAnSim-Light */
983 /* GrAnSim Light often creates an abundance of parallel threads,
984 each with its own stack etc. Therefore, it's in general a good
985 idea to use small stack chunks (use the -o<size> option to
988 // RtsFlags.ConcFlags.stkChunkSize = 100;
990 RtsFlags.GranFlags.proc = 1;
994 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
996 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
999 /* or a ridiculously idealised simulator */
1000 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1001 RtsFlags.GranFlags.Costs.latency =
1002 RtsFlags.GranFlags.Costs.fetchtime =
1003 RtsFlags.GranFlags.Costs.additional_latency =
1004 RtsFlags.GranFlags.Costs.gunblocktime =
1005 RtsFlags.GranFlags.Costs.lunblocktime =
1006 RtsFlags.GranFlags.Costs.threadcreatetime =
1007 RtsFlags.GranFlags.Costs.threadqueuetime =
1008 RtsFlags.GranFlags.Costs.threadscheduletime =
1009 RtsFlags.GranFlags.Costs.threaddescheduletime =
1010 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1012 RtsFlags.GranFlags.Costs.mpacktime =
1013 RtsFlags.GranFlags.Costs.munpacktime = 0;
1015 RtsFlags.GranFlags.Costs.arith_cost =
1016 RtsFlags.GranFlags.Costs.float_cost =
1017 RtsFlags.GranFlags.Costs.load_cost =
1018 RtsFlags.GranFlags.Costs.store_cost =
1019 RtsFlags.GranFlags.Costs.branch_cost = 0;
1021 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1023 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1024 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1025 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1026 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1030 /* or a somewhat idealised simulator */
1031 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1032 RtsFlags.GranFlags.Costs.latency =
1033 RtsFlags.GranFlags.Costs.fetchtime =
1034 RtsFlags.GranFlags.Costs.additional_latency =
1035 RtsFlags.GranFlags.Costs.gunblocktime =
1036 RtsFlags.GranFlags.Costs.lunblocktime =
1037 RtsFlags.GranFlags.Costs.threadcreatetime =
1038 RtsFlags.GranFlags.Costs.threadqueuetime =
1039 RtsFlags.GranFlags.Costs.threadscheduletime =
1040 RtsFlags.GranFlags.Costs.threaddescheduletime =
1041 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1043 RtsFlags.GranFlags.Costs.mpacktime =
1044 RtsFlags.GranFlags.Costs.munpacktime = 0;
1046 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1048 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1049 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1050 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1051 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1052 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1053 # if defined(GRAN_CHECK) && defined(GRAN)
1054 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1059 /* Communication and task creation cost parameters */
1060 switch(rts_argv[arg][2]) {
1062 IgnoreYields = rtsTrue; // HWL HACK
1066 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1070 if (rts_argv[arg][3] != '\0')
1072 RtsFlags.GranFlags.Costs.gunblocktime =
1073 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1074 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1077 RtsFlags.GranFlags.Costs.latency = LATENCY;
1081 if (rts_argv[arg][3] != '\0')
1082 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1084 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1088 if (rts_argv[arg][3] != '\0')
1089 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1091 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1095 if (rts_argv[arg][3] != '\0')
1096 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1098 RtsFlags.GranFlags.Costs.mtidytime = 0;
1102 if (rts_argv[arg][3] != '\0')
1103 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1105 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1109 if (rts_argv[arg][3] != '\0')
1110 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1112 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1116 if (rts_argv[arg][3] != '\0')
1117 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1119 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1123 if (rts_argv[arg][3] != '\0')
1124 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1126 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1129 /* Thread-related metrics */
1131 if (rts_argv[arg][3] != '\0')
1132 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1134 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1138 if (rts_argv[arg][3] != '\0')
1139 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1141 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1145 if (rts_argv[arg][3] != '\0')
1146 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1148 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1150 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1151 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1155 if (rts_argv[arg][3] != '\0')
1156 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1158 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1160 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1161 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1164 /* Instruction Cost Metrics */
1166 if (rts_argv[arg][3] != '\0')
1167 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1169 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1173 if (rts_argv[arg][3] != '\0')
1174 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1176 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1180 if (rts_argv[arg][3] != '\0')
1181 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1183 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1187 if (rts_argv[arg][3] != '\0')
1188 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1190 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1194 if (rts_argv[arg][3] != '\0')
1195 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1197 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1201 if (rts_argv[arg][3] != '\0')
1202 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1204 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1208 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1209 if (rts_argv[arg][3] != '\0')
1210 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1212 RtsFlags.GranFlags.FetchStrategy = 2;
1213 if (RtsFlags.GranFlags.FetchStrategy == 0)
1214 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1217 case 'K': /* sort overhead (per elem in spark list) */
1218 if (rts_argv[arg][3] != '\0')
1219 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1221 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1222 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1223 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1226 case 'O': /* sort overhead (per elem in spark list) */
1227 if (rts_argv[arg][3] != '\0')
1228 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1230 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1231 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1232 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1235 /* General Parameters */
1237 if (rts_argv[arg][3] != '\0')
1239 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1240 if (RtsFlags.GranFlags.proc==0) {
1241 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1242 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1243 RtsFlags.GranFlags.proc < 1)
1245 fprintf(stderr,"setupRtsFlags: no more than %u processors
1252 RtsFlags.GranFlags.proc = MAX_PROC;
1256 RtsFlags.GranFlags.Fishing = rtsTrue;
1257 if (rts_argv[arg][3] != '\0')
1258 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1260 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1264 if (rts_argv[arg][3] != '\0')
1265 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1267 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1271 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1272 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1276 fprintf(stderr,"Bulk fetching enabled.\n");
1277 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1281 fprintf(stderr,"Thread migration enabled.\n");
1282 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1286 fprintf(stderr,"Fair Scheduling enabled.\n");
1287 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1291 fprintf(stderr,"Priority Scheduling enabled.\n");
1292 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1296 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1297 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1301 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1305 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1309 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1313 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1317 /* format is -bP<c> where <c> is one char describing kind of profile */
1318 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1319 switch(rts_argv[arg][3]) {
1320 case '\0': break; // nothing special, just an ordinary profile
1321 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1323 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1325 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1327 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1329 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1331 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1333 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1338 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1342 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1345 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1346 if (rts_argv[arg][3] != '\0') {
1349 arg0 = rts_argv[arg]+3;
1350 if ((tmp = strstr(arg0,","))==NULL) {
1351 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1352 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1355 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1356 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1357 fprintf(stderr,"SparkPriority: %u.\n",
1358 RtsFlags.GranFlags.SparkPriority);
1359 fprintf(stderr,"SparkPriority2:%u.\n",
1360 RtsFlags.GranFlags.SparkPriority2);
1361 if (RtsFlags.GranFlags.SparkPriority2 <
1362 RtsFlags.GranFlags.SparkPriority) {
1363 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1364 RtsFlags.GranFlags.SparkPriority2,
1365 RtsFlags.GranFlags.SparkPriority);
1369 /* plain pri spark is now invoked with -bX
1370 RtsFlags.GranFlags.DoPrioritySparking = 1;
1371 fprintf(stderr,"PrioritySparking.\n");
1377 if (rts_argv[arg][3] != '\0') {
1378 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1380 RtsFlags.GranFlags.ThunksToPack = 1;
1382 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1383 RtsFlags.GranFlags.ThunksToPack);
1387 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1388 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1391 /* The following class of options contains eXperimental */
1392 /* features in connection with exploiting granularity */
1393 /* information. I.e. if -bY is chosen these options */
1394 /* tell the RTS what to do with the supplied info --HWL */
1397 if (rts_argv[arg][3] != '\0') {
1398 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1400 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1402 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1403 RtsFlags.GranFlags.packBufferSize_internal);
1407 switch(rts_argv[arg][3]) {
1410 RtsFlags.GranFlags.DoPrioritySparking = 1;
1411 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1412 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1413 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1414 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1418 RtsFlags.GranFlags.DoPrioritySparking = 1;
1419 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1420 RtsFlags.GranFlags.InversePriorities++;
1424 RtsFlags.GranFlags.DoPrioritySparking = 1;
1425 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1426 RtsFlags.GranFlags.RandomPriorities++;
1430 RtsFlags.GranFlags.DoPrioritySparking = 1;
1431 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1432 RtsFlags.GranFlags.IgnorePriorities++;
1436 bad_option( rts_argv[arg] );
1442 switch(rts_argv[arg][3]) {
1445 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1446 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1450 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1454 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1458 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1462 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1463 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1467 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1471 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1475 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1479 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1483 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1487 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1491 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1495 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1496 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1500 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1504 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1508 bad_option( rts_argv[arg] );
1513 # if defined(GRAN_CHECK) && defined(GRAN)
1515 switch(rts_argv[arg][3]) {
1516 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1517 if (rts_argv[arg][4] != '\0') {
1518 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1519 fprintf(stderr,"Pack buffer size: %d\n",
1520 RtsFlags.GranFlags.packBufferSize);
1522 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1528 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1529 /* hack warning: interpret the flags as a binary number */
1530 nat n = decode(rts_argv[arg]+3);
1531 set_GranSim_debug_options(n);
1534 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1535 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1538 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1539 fprintf(stderr, "Valid GranSim debug options are:\n");
1540 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1541 bad_option( rts_argv[arg] );
1542 } else { // flag found; now set it
1543 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1549 case 'e': /* event trace; also -bD1 */
1550 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1551 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1552 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1555 case 'E': /* event statistics; also -bD2 */
1556 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1557 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1558 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1561 case 'f': /* thunkStealing; also -bD4 */
1562 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1563 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1564 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1567 case 'z': /* blockOnFetch; also -bD8 */
1568 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1569 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1570 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1573 case 't': /* blockOnFetch_sanity; also -bD16 */
1574 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1575 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1576 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1579 case 'S': /* priSpark; also -bD32 */
1580 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1581 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1584 case 's': /* priSched; also -bD64 */
1585 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1586 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1589 case 'F': /* findWork; also -bD128 */
1590 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1591 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1594 case 'g': /* globalBlock; also -bD256 */
1595 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1596 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1599 case 'G': /* pack; also -bD512 */
1600 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1601 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1604 case 'P': /* packBuffer; also -bD1024 */
1605 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1606 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1609 case 'o': /* sortedQ; also -bD2048 */
1610 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1611 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1614 case 'r': /* randomSteal; also -bD4096 */
1615 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1616 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1619 case 'q': /* checkSparkQ; also -bD8192 */
1620 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1621 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1624 case ':': /* checkLight; also -bD16384 */
1625 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1626 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1629 case 'b': /* bq; also -bD32768 */
1630 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1631 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1634 case 'd': /* all options turned on */
1635 fprintf(stderr,"DEBUG: all options turned on.\n");
1636 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1637 /* RtsFlags.GranFlags.Debug |= 0x40; */
1641 /* RtsFlags.GranFlags.Debug = 1; */
1647 # endif /* GRAN_CHECK */
1649 bad_option( rts_argv[arg] );
1655 Interpret n as a binary number masking GranSim debug options and set the
1656 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1659 set_GranSim_debug_options(nat n) {
1662 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1664 fprintf(stderr, gran_debug_opts_strs[i]);
1666 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1667 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1668 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1669 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1670 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1671 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1672 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1673 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1674 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1675 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1676 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1677 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1678 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1679 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1680 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1681 default: barf("set_GranSim_debug_options: only %d debug options expected");
1687 Print one line explanation for each of the GranSim debug options specified
1691 help_GranSim_debug_options(nat n) {
1694 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1696 fprintf(stderr, gran_debug_opts_strs[i]);
1702 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1705 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1706 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1710 /* Communication and task creation cost parameters */
1711 switch(rts_argv[arg][2]) {
1712 case 'e': /* -qe<n> ... allow <n> local sparks */
1713 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1714 RtsFlags.ParFlags.maxLocalSparks
1715 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1717 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1718 belch("setupRtsFlags: bad value for -e\n");
1722 IF_PAR_DEBUG(verbose,
1723 belch("-qe<n>: max %d local sparks",
1724 RtsFlags.ParFlags.maxLocalSparks));
1728 if (rts_argv[arg][3] != '\0') {
1729 RtsFlags.ParFlags.maxThreads
1730 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1732 belch("setupRtsFlags: missing size for -qt\n");
1735 IF_PAR_DEBUG(verbose,
1736 belch("-qt<n>: max %d threads",
1737 RtsFlags.ParFlags.maxThreads));
1741 if (rts_argv[arg][3] != '\0')
1742 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1744 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1746 IF_PAR_DEBUG(verbose,
1747 belch("-qf<n>: max %d fishes sent out at one time",
1748 RtsFlags.ParFlags.maxFishes));
1752 if (rts_argv[arg][3] != '\0') {
1753 RtsFlags.ParFlags.fishDelay
1754 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1756 belch("setupRtsFlags: missing fish delay time for -qF\n");
1759 IF_PAR_DEBUG(verbose,
1760 belch("-qF<n>: fish delay time %d us",
1761 RtsFlags.ParFlags.fishDelay));
1765 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1766 IF_PAR_DEBUG(verbose,
1767 belch("-qO: output disabled"));
1770 case 'g': /* -qg<n> ... globalisation scheme */
1771 if (rts_argv[arg][3] != '\0') {
1772 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1774 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1777 IF_PAR_DEBUG(verbose,
1778 belch("-qg<n>: globalisation scheme set to %d",
1779 RtsFlags.ParFlags.globalising));
1782 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1783 if (rts_argv[arg][3] != '\0') {
1784 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1786 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1789 IF_PAR_DEBUG(verbose,
1790 belch("-qh<n>: thunks per packet set to %d",
1791 RtsFlags.ParFlags.thunksToPack));
1794 case 'P': /* -qP for writing a log file */
1795 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1796 /* same encoding as in GranSim after -bP */
1797 switch(rts_argv[arg][3]) {
1798 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1799 break; // nothing special, just an ordinary profile
1800 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1801 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1803 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1805 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1807 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1809 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1812 # if defined(PAR_TICKY)
1813 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1815 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1816 stg_exit(EXIT_FAILURE);
1819 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1821 IF_PAR_DEBUG(verbose,
1822 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1823 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1826 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1827 if (rts_argv[arg][3] != '\0') {
1828 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1830 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1833 IF_PAR_DEBUG(verbose,
1834 belch("-qQ<n>: pack buffer size set to %d",
1835 RtsFlags.ParFlags.packBufferSize));
1839 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1840 IF_PAR_DEBUG(verbose,
1841 belch("-qR: fair-ish scheduling"));
1846 if (rts_argv[arg][3] != '\0') {
1847 RtsFlags.ParFlags.wait
1848 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1850 RtsFlags.ParFlags.wait = 1000;
1852 IF_PAR_DEBUG(verbose,
1853 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1854 RtsFlags.ParFlags.wait));
1857 case 'D': /* -qD ... all the debugging options */
1858 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1859 /* hack warning: interpret the flags as a binary number */
1860 nat n = decode(rts_argv[arg]+3);
1861 set_par_debug_options(n);
1864 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1865 if (rts_argv[arg][3] == par_debug_opts_flags[i])
1868 if (i==MAX_PAR_DEBUG_OPTION+1) {
1869 fprintf(stderr, "Valid GUM debug options are:\n");
1870 help_par_debug_options(MAX_PAR_DEBUG_MASK);
1871 bad_option( rts_argv[arg] );
1872 } else { // flag found; now set it
1873 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
1879 belch("Unknown option -q%c (%d opts in total)",
1880 rts_argv[arg][2], *rts_argc);
1886 Interpret n as a binary number masking Par debug options and set the
1887 correxponding option. See par_debug_opts_strs for explanations of the flags.
1890 set_par_debug_options(nat n) {
1893 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1895 fprintf(stderr, par_debug_opts_strs[i]);
1897 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
1898 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
1899 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
1900 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
1901 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
1902 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
1903 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
1904 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
1905 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
1906 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
1907 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
1908 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
1909 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
1910 default: barf("set_par_debug_options: only %d debug options expected",
1911 MAX_PAR_DEBUG_OPTION);
1917 Print one line explanation for each of the GranSim debug options specified
1921 help_par_debug_options(nat n) {
1924 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1926 fprintf(stderr, par_debug_opts_strs[i]);
1933 set_debug_options(nat n) {
1936 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1938 fprintf(stderr, debug_opts_strs[i]);
1940 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
1941 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
1942 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
1943 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
1944 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
1945 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
1946 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
1947 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
1948 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
1949 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
1950 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
1951 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
1952 default: barf("set_debug_options: only %d debug options expected",
1959 help_debug_options(nat n) {
1962 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1964 fprintf(stderr, debug_opts_strs[i]);
1968 //@node Aux fcts, , GranSim specific options
1969 //@subsection Aux fcts
1971 static FILE * /* return NULL on error */
1974 int argc, char *argv[],
1975 int rts_argc, char *rts_argv[],
1976 const char *FILENAME_FMT)
1980 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1982 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1983 f = fopen(rts_argv[arg]+2,"w");
1985 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1986 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1987 f = fopen(stats_filename,"w");
1990 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1992 /* Write argv and rtsv into start of stats file */
1994 for(count = 0; count < argc; count++)
1995 fprintf(f, "%s ", argv[count]);
1996 fprintf(f, "+RTS ");
1997 for(count = 0; count < rts_argc; count++)
1998 fprintf(f, "%s ", rts_argv[count]);
2006 decode(const char *s)
2017 if (c == 'g' || c == 'G')
2018 m *= 1000*1000*1000; /* UNchecked! */
2019 else if (c == 'm' || c == 'M')
2020 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2021 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2022 m *= 1000; /* a direct-mapped cache. */
2023 else if (c == 'w' || c == 'W')
2030 bad_option(const char *s)
2032 prog_belch("bad RTS option: %s", s);
2033 stg_exit(EXIT_FAILURE);