1 /* -----------------------------------------------------------------------------
2 * $Id: RtsFlags.c,v 1.42 2001/07/23 23:37:35 andy 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 Time/allocation profile (output file <program>.prof)",
407 " -P More detailed Time/Allocation profile",
408 " -Pa Give information about *all* cost centres",
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_ALL;
752 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_SUMMARY;
757 case 'h': /* serial heap profile */
758 #if !defined(PROFILING) && defined(DEBUG)
759 switch (rts_argv[arg][2]) {
762 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
765 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
768 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
772 PROFILING_BUILD_ONLY(
773 switch (rts_argv[arg][2]) {
776 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
779 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
782 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
785 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
787 case 'c': /* cost centre label select */
788 case 'm': /* cost centre module select */
789 case 'd': /* closure descr select */
790 case 'y': /* closure type select */
791 {char *left = strchr(rts_argv[arg], '{');
792 char *right = strrchr(rts_argv[arg], '}');
793 if (! left || ! right ||
794 strrchr(rts_argv[arg], '{') != left ||
795 strchr(rts_argv[arg], '}') != right) {
797 "Invalid heap profiling selection bracketing\n %s\n",
802 switch (rts_argv[arg][2]) {
803 case 'c': /* cost centre label select */
804 RtsFlags.ProfFlags.ccSelector = left + 1;
806 case 'm': /* cost centre module select */
807 RtsFlags.ProfFlags.modSelector = left + 1;
809 case 'd': /* closure descr select */
810 RtsFlags.ProfFlags.descrSelector = left + 1;
812 case 'y': /* closure type select */
813 RtsFlags.ProfFlags.typeSelector = left + 1;
820 prog_belch("invalid heap profile option: %s",rts_argv[arg]);
828 #if defined(PROFILING)
829 case 'i': /* heap sample interval */
830 if (rts_argv[arg][2] == '\0') {
835 /* Convert to milliseconds */
836 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
837 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
838 if (cst != 0 && cst < CS_MIN_MILLISECS)
839 cst = CS_MIN_MILLISECS;
841 RtsFlags.ProfFlags.profileFrequency = cst;
848 /* =========== CONCURRENT ========================= */
849 case 'C': /* context switch interval */
850 if (rts_argv[arg][2] == '\0')
851 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
855 /* Convert to milliseconds */
856 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
857 cst = (cst / CS_MIN_MILLISECS) * CS_MIN_MILLISECS;
858 if (cst != 0 && cst < CS_MIN_MILLISECS)
859 cst = CS_MIN_MILLISECS;
861 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
868 if (rts_argv[arg][2] != '\0') {
869 RtsFlags.ParFlags.nNodes
870 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
871 if (RtsFlags.ParFlags.nNodes <= 0) {
872 prog_belch("bad value for -N");
878 /* =========== PARALLEL =========================== */
880 PAR_OR_SMP_BUILD_ONLY(
881 if (rts_argv[arg][2] != '\0') {
882 RtsFlags.ParFlags.maxLocalSparks
883 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
884 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
885 prog_belch("bad value for -e");
893 process_par_option(arg, rts_argc, rts_argv, &error);
896 /* =========== GRAN =============================== */
900 process_gran_option(arg, rts_argc, rts_argv, &error);
903 /* =========== TICKY ============================== */
905 case 'r': /* Basic profiling stats */
908 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
909 RtsFlags.TickyFlags.tickyFile
910 = open_stats_file(arg, *argc, argv,
911 *rts_argc, rts_argv, TICKY_FILENAME_FMT);
913 if (RtsFlags.TickyFlags.tickyFile == NULL) error = rtsTrue;
916 /* =========== EXTENDED OPTIONS =================== */
918 case 'x': /* Extend the argument space */
919 switch(rts_argv[arg][2]) {
921 prog_belch("incomplete RTS option: %s",rts_argv[arg]);
925 case 'c': /* Debugging tool: show current cost centre on an exception */
926 PROFILING_BUILD_ONLY(
927 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
930 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
933 prog_belch("unknown RTS option: %s",rts_argv[arg]);
937 break; /* defensive programming */
939 /* =========== OH DEAR ============================ */
941 prog_belch("unknown RTS option: %s",rts_argv[arg]);
951 for (p = usage_text; *p; p++)
953 stg_exit(EXIT_FAILURE);
959 //@node GranSim specific options, Aux fcts, Command-line option parsing routines
960 //@subsection GranSim specific options
963 enable_GranSimLight(void) {
965 fprintf(stderr,"GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
966 RtsFlags.GranFlags.Light=rtsTrue;
967 RtsFlags.GranFlags.Costs.latency =
968 RtsFlags.GranFlags.Costs.fetchtime =
969 RtsFlags.GranFlags.Costs.additional_latency =
970 RtsFlags.GranFlags.Costs.gunblocktime =
971 RtsFlags.GranFlags.Costs.lunblocktime =
972 RtsFlags.GranFlags.Costs.threadcreatetime =
973 RtsFlags.GranFlags.Costs.threadqueuetime =
974 RtsFlags.GranFlags.Costs.threadscheduletime =
975 RtsFlags.GranFlags.Costs.threaddescheduletime =
976 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
978 RtsFlags.GranFlags.Costs.mpacktime =
979 RtsFlags.GranFlags.Costs.munpacktime = 0;
981 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
982 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
983 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
984 /* FetchStrategy is irrelevant in GrAnSim-Light */
986 /* GrAnSim Light often creates an abundance of parallel threads,
987 each with its own stack etc. Therefore, it's in general a good
988 idea to use small stack chunks (use the -o<size> option to
991 // RtsFlags.ConcFlags.stkChunkSize = 100;
993 RtsFlags.GranFlags.proc = 1;
997 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
999 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1002 /* or a ridiculously idealised simulator */
1003 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1004 RtsFlags.GranFlags.Costs.latency =
1005 RtsFlags.GranFlags.Costs.fetchtime =
1006 RtsFlags.GranFlags.Costs.additional_latency =
1007 RtsFlags.GranFlags.Costs.gunblocktime =
1008 RtsFlags.GranFlags.Costs.lunblocktime =
1009 RtsFlags.GranFlags.Costs.threadcreatetime =
1010 RtsFlags.GranFlags.Costs.threadqueuetime =
1011 RtsFlags.GranFlags.Costs.threadscheduletime =
1012 RtsFlags.GranFlags.Costs.threaddescheduletime =
1013 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1015 RtsFlags.GranFlags.Costs.mpacktime =
1016 RtsFlags.GranFlags.Costs.munpacktime = 0;
1018 RtsFlags.GranFlags.Costs.arith_cost =
1019 RtsFlags.GranFlags.Costs.float_cost =
1020 RtsFlags.GranFlags.Costs.load_cost =
1021 RtsFlags.GranFlags.Costs.store_cost =
1022 RtsFlags.GranFlags.Costs.branch_cost = 0;
1024 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1026 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1027 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1028 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1029 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1033 /* or a somewhat idealised simulator */
1034 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1035 RtsFlags.GranFlags.Costs.latency =
1036 RtsFlags.GranFlags.Costs.fetchtime =
1037 RtsFlags.GranFlags.Costs.additional_latency =
1038 RtsFlags.GranFlags.Costs.gunblocktime =
1039 RtsFlags.GranFlags.Costs.lunblocktime =
1040 RtsFlags.GranFlags.Costs.threadcreatetime =
1041 RtsFlags.GranFlags.Costs.threadqueuetime =
1042 RtsFlags.GranFlags.Costs.threadscheduletime =
1043 RtsFlags.GranFlags.Costs.threaddescheduletime =
1044 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1046 RtsFlags.GranFlags.Costs.mpacktime =
1047 RtsFlags.GranFlags.Costs.munpacktime = 0;
1049 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1051 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1052 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1053 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1054 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1055 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1056 # if defined(GRAN_CHECK) && defined(GRAN)
1057 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1062 /* Communication and task creation cost parameters */
1063 switch(rts_argv[arg][2]) {
1065 IgnoreYields = rtsTrue; // HWL HACK
1069 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1073 if (rts_argv[arg][3] != '\0')
1075 RtsFlags.GranFlags.Costs.gunblocktime =
1076 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1077 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1080 RtsFlags.GranFlags.Costs.latency = LATENCY;
1084 if (rts_argv[arg][3] != '\0')
1085 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1087 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1091 if (rts_argv[arg][3] != '\0')
1092 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1094 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1098 if (rts_argv[arg][3] != '\0')
1099 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1101 RtsFlags.GranFlags.Costs.mtidytime = 0;
1105 if (rts_argv[arg][3] != '\0')
1106 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1108 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1112 if (rts_argv[arg][3] != '\0')
1113 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1115 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1119 if (rts_argv[arg][3] != '\0')
1120 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1122 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1126 if (rts_argv[arg][3] != '\0')
1127 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1129 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1132 /* Thread-related metrics */
1134 if (rts_argv[arg][3] != '\0')
1135 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1137 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1141 if (rts_argv[arg][3] != '\0')
1142 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1144 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1148 if (rts_argv[arg][3] != '\0')
1149 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1151 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1153 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1154 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1158 if (rts_argv[arg][3] != '\0')
1159 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1161 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1163 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1164 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1167 /* Instruction Cost Metrics */
1169 if (rts_argv[arg][3] != '\0')
1170 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1172 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1176 if (rts_argv[arg][3] != '\0')
1177 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1179 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1183 if (rts_argv[arg][3] != '\0')
1184 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1186 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1190 if (rts_argv[arg][3] != '\0')
1191 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1193 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1197 if (rts_argv[arg][3] != '\0')
1198 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1200 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1204 if (rts_argv[arg][3] != '\0')
1205 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1207 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1211 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1212 if (rts_argv[arg][3] != '\0')
1213 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1215 RtsFlags.GranFlags.FetchStrategy = 2;
1216 if (RtsFlags.GranFlags.FetchStrategy == 0)
1217 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1220 case 'K': /* sort overhead (per elem in spark list) */
1221 if (rts_argv[arg][3] != '\0')
1222 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1224 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1225 fprintf(stderr,"Overhead for pri spark: %d (per elem).\n",
1226 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1229 case 'O': /* sort overhead (per elem in spark list) */
1230 if (rts_argv[arg][3] != '\0')
1231 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1233 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1234 fprintf(stderr,"Overhead for pri sched: %d (per elem).\n",
1235 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1238 /* General Parameters */
1240 if (rts_argv[arg][3] != '\0')
1242 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1243 if (RtsFlags.GranFlags.proc==0) {
1244 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1245 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1246 RtsFlags.GranFlags.proc < 1)
1248 fprintf(stderr,"setupRtsFlags: no more than %u processors
1255 RtsFlags.GranFlags.proc = MAX_PROC;
1259 RtsFlags.GranFlags.Fishing = rtsTrue;
1260 if (rts_argv[arg][3] != '\0')
1261 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1263 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1267 if (rts_argv[arg][3] != '\0')
1268 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1270 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1274 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1275 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1279 fprintf(stderr,"Bulk fetching enabled.\n");
1280 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1284 fprintf(stderr,"Thread migration enabled.\n");
1285 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1289 fprintf(stderr,"Fair Scheduling enabled.\n");
1290 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1294 fprintf(stderr,"Priority Scheduling enabled.\n");
1295 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1299 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1300 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1304 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1308 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1312 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1316 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1320 /* format is -bP<c> where <c> is one char describing kind of profile */
1321 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1322 switch(rts_argv[arg][3]) {
1323 case '\0': break; // nothing special, just an ordinary profile
1324 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1326 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1328 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1330 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1332 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1334 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1336 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1341 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1345 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1348 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1349 if (rts_argv[arg][3] != '\0') {
1352 arg0 = rts_argv[arg]+3;
1353 if ((tmp = strstr(arg0,","))==NULL) {
1354 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1355 fprintf(stderr,"SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1358 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1359 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1360 fprintf(stderr,"SparkPriority: %u.\n",
1361 RtsFlags.GranFlags.SparkPriority);
1362 fprintf(stderr,"SparkPriority2:%u.\n",
1363 RtsFlags.GranFlags.SparkPriority2);
1364 if (RtsFlags.GranFlags.SparkPriority2 <
1365 RtsFlags.GranFlags.SparkPriority) {
1366 fprintf(stderr,"WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1367 RtsFlags.GranFlags.SparkPriority2,
1368 RtsFlags.GranFlags.SparkPriority);
1372 /* plain pri spark is now invoked with -bX
1373 RtsFlags.GranFlags.DoPrioritySparking = 1;
1374 fprintf(stderr,"PrioritySparking.\n");
1380 if (rts_argv[arg][3] != '\0') {
1381 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1383 RtsFlags.GranFlags.ThunksToPack = 1;
1385 fprintf(stderr,"Thunks To Pack in one packet: %u.\n",
1386 RtsFlags.GranFlags.ThunksToPack);
1390 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1391 fprintf(stderr,"Deterministic mode (no random stealing)\n");
1394 /* The following class of options contains eXperimental */
1395 /* features in connection with exploiting granularity */
1396 /* information. I.e. if -bY is chosen these options */
1397 /* tell the RTS what to do with the supplied info --HWL */
1400 if (rts_argv[arg][3] != '\0') {
1401 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1403 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1405 fprintf(stderr,"Size of GranSim internal pack buffer: %u.\n",
1406 RtsFlags.GranFlags.packBufferSize_internal);
1410 switch(rts_argv[arg][3]) {
1413 RtsFlags.GranFlags.DoPrioritySparking = 1;
1414 fprintf(stderr,"Priority Sparking with Normal Priorities.\n");
1415 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1416 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1417 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1421 RtsFlags.GranFlags.DoPrioritySparking = 1;
1422 fprintf(stderr,"Priority Sparking with Inverse Priorities.\n");
1423 RtsFlags.GranFlags.InversePriorities++;
1427 RtsFlags.GranFlags.DoPrioritySparking = 1;
1428 fprintf(stderr,"Priority Sparking with Random Priorities.\n");
1429 RtsFlags.GranFlags.RandomPriorities++;
1433 RtsFlags.GranFlags.DoPrioritySparking = 1;
1434 fprintf(stderr,"Priority Sparking with No Priorities.\n");
1435 RtsFlags.GranFlags.IgnorePriorities++;
1439 bad_option( rts_argv[arg] );
1445 switch(rts_argv[arg][3]) {
1448 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1449 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1453 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1457 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1461 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1465 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1466 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1470 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1474 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1478 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1482 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1486 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1490 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1494 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1498 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1499 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1503 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1507 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1511 bad_option( rts_argv[arg] );
1516 # if defined(GRAN_CHECK) && defined(GRAN)
1518 switch(rts_argv[arg][3]) {
1519 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1520 if (rts_argv[arg][4] != '\0') {
1521 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1522 fprintf(stderr,"Pack buffer size: %d\n",
1523 RtsFlags.GranFlags.packBufferSize);
1525 fprintf(stderr, "setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1531 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1532 /* hack warning: interpret the flags as a binary number */
1533 nat n = decode(rts_argv[arg]+3);
1534 set_GranSim_debug_options(n);
1537 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1538 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1541 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1542 fprintf(stderr, "Valid GranSim debug options are:\n");
1543 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1544 bad_option( rts_argv[arg] );
1545 } else { // flag found; now set it
1546 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1552 case 'e': /* event trace; also -bD1 */
1553 fprintf(stderr,"DEBUG: event_trace; printing event trace.\n");
1554 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1555 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1558 case 'E': /* event statistics; also -bD2 */
1559 fprintf(stderr,"DEBUG: event_stats; printing event statistics.\n");
1560 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1561 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1564 case 'f': /* thunkStealing; also -bD4 */
1565 fprintf(stderr,"DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1566 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1567 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1570 case 'z': /* blockOnFetch; also -bD8 */
1571 fprintf(stderr,"DEBUG: blockOnFetch; check for blocked on fetch.\n");
1572 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1573 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1576 case 't': /* blockOnFetch_sanity; also -bD16 */
1577 fprintf(stderr,"DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1578 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1579 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1582 case 'S': /* priSpark; also -bD32 */
1583 fprintf(stderr,"DEBUG: priSpark; priority sparking.\n");
1584 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1587 case 's': /* priSched; also -bD64 */
1588 fprintf(stderr,"DEBUG: priSched; priority scheduling.\n");
1589 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1592 case 'F': /* findWork; also -bD128 */
1593 fprintf(stderr,"DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1594 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1597 case 'g': /* globalBlock; also -bD256 */
1598 fprintf(stderr,"DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1599 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1602 case 'G': /* pack; also -bD512 */
1603 fprintf(stderr,"DEBUG: pack; routines for (un-)packing graph structures.\n");
1604 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1607 case 'P': /* packBuffer; also -bD1024 */
1608 fprintf(stderr,"DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1609 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1612 case 'o': /* sortedQ; also -bD2048 */
1613 fprintf(stderr,"DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1614 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1617 case 'r': /* randomSteal; also -bD4096 */
1618 fprintf(stderr,"DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1619 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1622 case 'q': /* checkSparkQ; also -bD8192 */
1623 fprintf(stderr,"DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1624 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1627 case ':': /* checkLight; also -bD16384 */
1628 fprintf(stderr,"DEBUG: checkLight; check GranSim-Light setup.\n");
1629 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1632 case 'b': /* bq; also -bD32768 */
1633 fprintf(stderr,"DEBUG: bq; check blocking queues\n");
1634 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1637 case 'd': /* all options turned on */
1638 fprintf(stderr,"DEBUG: all options turned on.\n");
1639 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1640 /* RtsFlags.GranFlags.Debug |= 0x40; */
1644 /* RtsFlags.GranFlags.Debug = 1; */
1650 # endif /* GRAN_CHECK */
1652 bad_option( rts_argv[arg] );
1658 Interpret n as a binary number masking GranSim debug options and set the
1659 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1662 set_GranSim_debug_options(nat n) {
1665 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1667 fprintf(stderr, gran_debug_opts_strs[i]);
1669 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1670 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1671 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1672 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1673 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1674 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1675 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1676 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1677 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1678 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1679 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1680 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1681 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1682 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1683 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1684 default: barf("set_GranSim_debug_options: only %d debug options expected");
1690 Print one line explanation for each of the GranSim debug options specified
1694 help_GranSim_debug_options(nat n) {
1697 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1699 fprintf(stderr, gran_debug_opts_strs[i]);
1705 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1708 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
1709 belch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
1713 /* Communication and task creation cost parameters */
1714 switch(rts_argv[arg][2]) {
1715 case 'e': /* -qe<n> ... allow <n> local sparks */
1716 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
1717 RtsFlags.ParFlags.maxLocalSparks
1718 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1720 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1721 belch("setupRtsFlags: bad value for -e\n");
1725 IF_PAR_DEBUG(verbose,
1726 belch("-qe<n>: max %d local sparks",
1727 RtsFlags.ParFlags.maxLocalSparks));
1731 if (rts_argv[arg][3] != '\0') {
1732 RtsFlags.ParFlags.maxThreads
1733 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1735 belch("setupRtsFlags: missing size for -qt\n");
1738 IF_PAR_DEBUG(verbose,
1739 belch("-qt<n>: max %d threads",
1740 RtsFlags.ParFlags.maxThreads));
1744 if (rts_argv[arg][3] != '\0')
1745 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
1747 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
1749 IF_PAR_DEBUG(verbose,
1750 belch("-qf<n>: max %d fishes sent out at one time",
1751 RtsFlags.ParFlags.maxFishes));
1755 if (rts_argv[arg][3] != '\0') {
1756 RtsFlags.ParFlags.fishDelay
1757 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1759 belch("setupRtsFlags: missing fish delay time for -qF\n");
1762 IF_PAR_DEBUG(verbose,
1763 belch("-qF<n>: fish delay time %d us",
1764 RtsFlags.ParFlags.fishDelay));
1768 RtsFlags.ParFlags.outputDisabled = rtsTrue;
1769 IF_PAR_DEBUG(verbose,
1770 belch("-qO: output disabled"));
1773 case 'g': /* -qg<n> ... globalisation scheme */
1774 if (rts_argv[arg][3] != '\0') {
1775 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
1777 belch("setupRtsFlags: missing identifier for globalisation scheme (for -qg)\n");
1780 IF_PAR_DEBUG(verbose,
1781 belch("-qg<n>: globalisation scheme set to %d",
1782 RtsFlags.ParFlags.globalising));
1785 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
1786 if (rts_argv[arg][3] != '\0') {
1787 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
1789 belch("setupRtsFlags: missing number of thunks per packet (for -qh)\n");
1792 IF_PAR_DEBUG(verbose,
1793 belch("-qh<n>: thunks per packet set to %d",
1794 RtsFlags.ParFlags.thunksToPack));
1797 case 'P': /* -qP for writing a log file */
1798 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1799 /* same encoding as in GranSim after -bP */
1800 switch(rts_argv[arg][3]) {
1801 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
1802 break; // nothing special, just an ordinary profile
1803 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
1804 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
1806 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
1808 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
1810 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
1812 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
1815 # if defined(PAR_TICKY)
1816 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
1818 fprintf(stderr,"-qPg is only possible for a PAR_TICKY RTS, which this is not");
1819 stg_exit(EXIT_FAILURE);
1822 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
1824 IF_PAR_DEBUG(verbose,
1825 belch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
1826 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
1829 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
1830 if (rts_argv[arg][3] != '\0') {
1831 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
1833 belch("setupRtsFlags: missing size of PackBuffer (for -qQ)\n");
1836 IF_PAR_DEBUG(verbose,
1837 belch("-qQ<n>: pack buffer size set to %d",
1838 RtsFlags.ParFlags.packBufferSize));
1842 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
1843 IF_PAR_DEBUG(verbose,
1844 belch("-qR: fair-ish scheduling"));
1849 if (rts_argv[arg][3] != '\0') {
1850 RtsFlags.ParFlags.wait
1851 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
1853 RtsFlags.ParFlags.wait = 1000;
1855 IF_PAR_DEBUG(verbose,
1856 belch("-qw<n>: length of wait loop after synchr before reduction: %d",
1857 RtsFlags.ParFlags.wait));
1860 case 'D': /* -qD ... all the debugging options */
1861 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1862 /* hack warning: interpret the flags as a binary number */
1863 nat n = decode(rts_argv[arg]+3);
1864 set_par_debug_options(n);
1867 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1868 if (rts_argv[arg][3] == par_debug_opts_flags[i])
1871 if (i==MAX_PAR_DEBUG_OPTION+1) {
1872 fprintf(stderr, "Valid GUM debug options are:\n");
1873 help_par_debug_options(MAX_PAR_DEBUG_MASK);
1874 bad_option( rts_argv[arg] );
1875 } else { // flag found; now set it
1876 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
1882 belch("Unknown option -q%c (%d opts in total)",
1883 rts_argv[arg][2], *rts_argc);
1889 Interpret n as a binary number masking Par debug options and set the
1890 correxponding option. See par_debug_opts_strs for explanations of the flags.
1893 set_par_debug_options(nat n) {
1896 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1898 fprintf(stderr, par_debug_opts_strs[i]);
1900 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
1901 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
1902 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
1903 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
1904 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
1905 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
1906 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
1907 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
1908 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
1909 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
1910 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
1911 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
1912 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
1913 default: barf("set_par_debug_options: only %d debug options expected",
1914 MAX_PAR_DEBUG_OPTION);
1920 Print one line explanation for each of the GranSim debug options specified
1924 help_par_debug_options(nat n) {
1927 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
1929 fprintf(stderr, par_debug_opts_strs[i]);
1936 set_debug_options(nat n) {
1939 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1941 fprintf(stderr, debug_opts_strs[i]);
1943 case 0: RtsFlags.DebugFlags.scheduler = rtsTrue; break;
1944 case 1: RtsFlags.DebugFlags.evaluator = rtsTrue; break;
1945 case 2: RtsFlags.DebugFlags.codegen = rtsTrue; break;
1946 case 3: RtsFlags.DebugFlags.weak = rtsTrue; break;
1947 case 4: RtsFlags.DebugFlags.gccafs = rtsTrue; break;
1948 case 5: RtsFlags.DebugFlags.gc = rtsTrue; break;
1949 case 6: RtsFlags.DebugFlags.block_alloc = rtsTrue; break;
1950 case 7: RtsFlags.DebugFlags.sanity = rtsTrue; break;
1951 case 8: RtsFlags.DebugFlags.stable = rtsTrue; break;
1952 case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
1953 case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
1954 case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
1955 default: barf("set_debug_options: only %d debug options expected",
1962 help_debug_options(nat n) {
1965 for (i=0; i<=MAX_DEBUG_OPTION; i++)
1967 fprintf(stderr, debug_opts_strs[i]);
1971 //@node Aux fcts, , GranSim specific options
1972 //@subsection Aux fcts
1974 static FILE * /* return NULL on error */
1977 int argc, char *argv[],
1978 int rts_argc, char *rts_argv[],
1979 const char *FILENAME_FMT)
1983 if (strequal(rts_argv[arg]+2, "stderr")) /* use real stderr */
1985 else if (rts_argv[arg][2] != '\0') /* stats file specified */
1986 f = fopen(rts_argv[arg]+2,"w");
1988 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
1989 sprintf(stats_filename, FILENAME_FMT, argv[0]);
1990 f = fopen(stats_filename,"w");
1993 fprintf(stderr, "Can't open stats file %s\n", rts_argv[arg]+2);
1995 /* Write argv and rtsv into start of stats file */
1997 for(count = 0; count < argc; count++)
1998 fprintf(f, "%s ", argv[count]);
1999 fprintf(f, "+RTS ");
2000 for(count = 0; count < rts_argc; count++)
2001 fprintf(f, "%s ", rts_argv[count]);
2009 decode(const char *s)
2020 if (c == 'g' || c == 'G')
2021 m *= 1000*1000*1000; /* UNchecked! */
2022 else if (c == 'm' || c == 'M')
2023 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2024 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2025 m *= 1000; /* a direct-mapped cache. */
2026 else if (c == 'w' || c == 'W')
2033 bad_option(const char *s)
2035 prog_belch("bad RTS option: %s", s);
2036 stg_exit(EXIT_FAILURE);