1 /* -----------------------------------------------------------------------------
3 * (c) The AQUA Project, Glasgow University, 1994-1997
4 * (c) The GHC Team, 1998-2006
6 * Functions for parsing the argument list.
8 * ---------------------------------------------------------------------------*/
10 #include "PosixSource.h"
14 #include "Profiling.h"
27 * Split argument lists
29 int prog_argc = 0; /* an "int" so as to match normal "argc" */
30 char **prog_argv = NULL;
31 char *prog_name = NULL; /* 'basename' of prog_argv[0] */
32 int rts_argc = 0; /* ditto */
33 char *rts_argv[MAX_RTS_ARGS];
36 * constants, used later
43 static char *gran_debug_opts_strs[] = {
44 "DEBUG (-bDe, -bD1): event_trace; printing event trace.\n",
45 "DEBUG (-bDE, -bD2): event_stats; printing event statistics.\n",
46 "DEBUG (-bDb, -bD4): bq; check blocking queues\n",
47 "DEBUG (-bDG, -bD8): pack; routines for (un-)packing graph structures.\n",
48 "DEBUG (-bDq, -bD16): checkSparkQ; check consistency of the spark queues.\n",
49 "DEBUG (-bDf, -bD32): thunkStealing; print forwarding of fetches.\n",
50 "DEBUG (-bDr, -bD64): randomSteal; stealing sparks/threads from random PEs.\n",
51 "DEBUG (-bDF, -bD128): findWork; searching spark-pools (local & remote), thread queues for work.\n",
52 "DEBUG (-bDu, -bD256): unused; currently unused flag.\n",
53 "DEBUG (-bDS, -bD512): pri; priority sparking or scheduling.\n",
54 "DEBUG (-bD:, -bD1024): checkLight; check GranSim-Light setup.\n",
55 "DEBUG (-bDo, -bD2048): sortedQ; check whether spark/thread queues are sorted.\n",
56 "DEBUG (-bDz, -bD4096): blockOnFetch; check for blocked on fetch.\n",
57 "DEBUG (-bDP, -bD8192): packBuffer; routines handling pack buffer (GranSim internal!).\n",
58 "DEBUG (-bDt, -bD16384): blockOnFetch_sanity; check for TSO asleep on fetch.\n",
61 /* one character codes for the available debug options */
62 static char gran_debug_opts_flags[] = {
63 'e', 'E', 'b', 'G', 'q', 'f', 'r', 'F', 'u', 'S', ':', 'o', 'z', 'P', 't'
68 static char *par_debug_opts_strs[] = {
69 "DEBUG (-qDv, -qD1): verbose; be generally verbose with parallel related stuff.\n",
70 "DEBUG (-qDq, -qD2): bq; print blocking queues.\n",
71 "DEBUG (-qDs, -qD4): schedule; scheduling of parallel threads.\n",
72 "DEBUG (-qDe, -qD8): free; free messages.\n",
73 "DEBUG (-qDr, -qD16): resume; resume messages.\n",
74 "DEBUG (-qDw, -qD32): weight; print weights and distrib GC stuff.\n",
75 "DEBUG (-qDF, -qD64): fetch; fetch messages.\n",
76 // "DEBUG (-qDa, -qD128): ack; ack messages.\n",
77 "DEBUG (-qDf, -qD128): fish; fish messages.\n",
78 //"DEBUG (-qDo, -qD512): forward; forwarding messages to other PEs.\n",
79 "DEBUG (-qDl, -qD256): tables; print internal LAGA etc tables.\n",
80 "DEBUG (-qDo, -qD512): packet; packets and graph structures when packing.\n",
81 "DEBUG (-qDp, -qD1024): pack; packing and unpacking graphs.\n",
82 "DEBUG (-qDz, -qD2048): paranoia; ridiculously detailed output (excellent for filling a partition).\n"
85 /* one character codes for the available debug options */
86 static char par_debug_opts_flags[] = {
87 'v', 'q', 's', 'e', 'r', 'w', 'F', 'f', 'l', 'o', 'p', 'z'
92 /* -----------------------------------------------------------------------------
94 -------------------------------------------------------------------------- */
96 static int /* return NULL on error */
99 int argc, char *argv[],
100 int rts_argc, char *rts_argv[],
101 const char *FILENAME_FMT,
104 static I_ decode(const char *s);
105 static void bad_option(const char *s);
108 static void enable_GranSimLight(void);
109 static void process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
110 static void set_GranSim_debug_options(nat n);
111 static void help_GranSim_debug_options(nat n);
113 static void process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error);
114 static void set_par_debug_options(nat n);
115 static void help_par_debug_options(nat n);
118 /* -----------------------------------------------------------------------------
119 * Command-line option parsing routines.
120 * ---------------------------------------------------------------------------*/
122 void initRtsFlagsDefaults(void)
124 RtsFlags.GcFlags.statsFile = NULL;
125 RtsFlags.GcFlags.giveStats = NO_GC_STATS;
127 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
128 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
130 RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
131 RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
132 RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
133 RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
134 RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
135 RtsFlags.GcFlags.oldGenFactor = 2;
137 /* A hack currently needed for GUM -- HWL */
138 RtsFlags.GcFlags.generations = 1;
139 RtsFlags.GcFlags.steps = 2;
140 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
142 RtsFlags.GcFlags.generations = 2;
143 RtsFlags.GcFlags.steps = 2;
144 RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
146 RtsFlags.GcFlags.compact = rtsFalse;
147 RtsFlags.GcFlags.compactThreshold = 30.0;
148 #ifdef RTS_GTK_FRONTPANEL
149 RtsFlags.GcFlags.frontpanel = rtsFalse;
151 RtsFlags.GcFlags.idleGCDelayTime = 300; /* millisecs */
154 RtsFlags.DebugFlags.scheduler = rtsFalse;
155 RtsFlags.DebugFlags.interpreter = rtsFalse;
156 RtsFlags.DebugFlags.weak = rtsFalse;
157 RtsFlags.DebugFlags.gccafs = rtsFalse;
158 RtsFlags.DebugFlags.gc = rtsFalse;
159 RtsFlags.DebugFlags.block_alloc = rtsFalse;
160 RtsFlags.DebugFlags.sanity = rtsFalse;
161 RtsFlags.DebugFlags.stable = rtsFalse;
162 RtsFlags.DebugFlags.stm = rtsFalse;
163 RtsFlags.DebugFlags.prof = rtsFalse;
164 RtsFlags.DebugFlags.gran = rtsFalse;
165 RtsFlags.DebugFlags.par = rtsFalse;
166 RtsFlags.DebugFlags.linker = rtsFalse;
167 RtsFlags.DebugFlags.squeeze = rtsFalse;
168 RtsFlags.DebugFlags.hpc = rtsFalse;
171 #if defined(PROFILING) || defined(PAR)
172 RtsFlags.CcFlags.doCostCentres = 0;
173 #endif /* PROFILING or PAR */
176 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
177 RtsFlags.ProfFlags.profileInterval = 100;
178 RtsFlags.ProfFlags.includeTSOs = rtsFalse;
179 RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
180 RtsFlags.ProfFlags.maxRetainerSetSize = 8;
181 RtsFlags.ProfFlags.ccsLength = 25;
182 RtsFlags.ProfFlags.modSelector = NULL;
183 RtsFlags.ProfFlags.descrSelector = NULL;
184 RtsFlags.ProfFlags.typeSelector = NULL;
185 RtsFlags.ProfFlags.ccSelector = NULL;
186 RtsFlags.ProfFlags.ccsSelector = NULL;
187 RtsFlags.ProfFlags.retainerSelector = NULL;
188 RtsFlags.ProfFlags.bioSelector = NULL;
191 RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
194 RtsFlags.MiscFlags.tickInterval = 50; /* In milliseconds */
195 RtsFlags.ConcFlags.ctxtSwitchTime = 50; /* In milliseconds */
198 RtsFlags.ParFlags.nNodes = 1;
199 RtsFlags.ParFlags.migrate = rtsTrue;
200 RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
204 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
205 RtsFlags.ParFlags.ParStats.Suppressed = rtsFalse;
206 RtsFlags.ParFlags.ParStats.Binary = rtsFalse;
207 RtsFlags.ParFlags.ParStats.Sparks = rtsFalse;
208 RtsFlags.ParFlags.ParStats.Heap = rtsFalse;
209 RtsFlags.ParFlags.ParStats.NewLogfile = rtsFalse;
210 RtsFlags.ParFlags.ParStats.Global = rtsFalse;
212 RtsFlags.ParFlags.outputDisabled = rtsFalse;
214 RtsFlags.ParFlags.doFairScheduling = rtsTrue; /* fair sched by def */
216 RtsFlags.ParFlags.doFairScheduling = rtsFalse; /* unfair sched by def */
218 RtsFlags.ParFlags.packBufferSize = 1024;
219 RtsFlags.ParFlags.thunksToPack = 1; /* 0 ... infinity; */
220 RtsFlags.ParFlags.globalising = 1; /* 0 ... everything */
221 RtsFlags.ParFlags.maxThreads = 1024;
222 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
223 RtsFlags.ParFlags.fishDelay = FISH_DELAY;
226 #if defined(PAR) || defined(THREADED_RTS)
227 RtsFlags.ParFlags.maxLocalSparks = 4096;
228 #endif /* PAR || THREADED_RTS */
231 /* ToDo: check defaults for GranSim and GUM */
232 RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
233 RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
235 RtsFlags.GranFlags.maxThreads = 65536; // refers to mandatory threads
236 RtsFlags.GranFlags.GranSimStats.Full = rtsFalse;
237 RtsFlags.GranFlags.GranSimStats.Suppressed = rtsFalse;
238 RtsFlags.GranFlags.GranSimStats.Binary = rtsFalse;
239 RtsFlags.GranFlags.GranSimStats.Sparks = rtsFalse;
240 RtsFlags.GranFlags.GranSimStats.Heap = rtsFalse;
241 RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsFalse;
242 RtsFlags.GranFlags.GranSimStats.Global = rtsFalse;
244 RtsFlags.GranFlags.packBufferSize = 1024;
245 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
247 RtsFlags.GranFlags.proc = MAX_PROC;
248 RtsFlags.GranFlags.Fishing = rtsFalse;
249 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
250 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
251 RtsFlags.GranFlags.Light = rtsFalse;
253 RtsFlags.GranFlags.Costs.latency = LATENCY;
254 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
255 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
256 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
257 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
258 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
259 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
260 RtsFlags.GranFlags.Costs.mtidytime = MSGTIDYTIME;
262 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
263 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
264 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
265 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
266 RtsFlags.GranFlags.Costs.threadcontextswitchtime = THREADCONTEXTSWITCHTIME;
268 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
269 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
270 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
271 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
272 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
274 RtsFlags.GranFlags.Costs.heapalloc_cost = HEAPALLOC_COST;
276 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
277 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
279 RtsFlags.GranFlags.DoFairSchedule = rtsFalse;
280 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
281 RtsFlags.GranFlags.DoStealThreadsFirst = rtsFalse;
282 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsFalse;
283 RtsFlags.GranFlags.DoBulkFetching = rtsFalse;
284 RtsFlags.GranFlags.DoThreadMigration = rtsFalse;
285 RtsFlags.GranFlags.FetchStrategy = 2;
286 RtsFlags.GranFlags.PreferSparksOfLocalNodes = rtsFalse;
287 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
288 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
289 RtsFlags.GranFlags.SparkPriority = 0;
290 RtsFlags.GranFlags.SparkPriority2 = 0;
291 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
292 RtsFlags.GranFlags.InversePriorities = rtsFalse;
293 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
294 RtsFlags.GranFlags.ThunksToPack = 0;
295 RtsFlags.GranFlags.RandomSteal = rtsTrue;
299 RtsFlags.TickyFlags.showTickyStats = rtsFalse;
300 RtsFlags.TickyFlags.tickyFile = NULL;
303 RtsFlags.TraceFlags.timestamp = rtsFalse;
304 RtsFlags.TraceFlags.sched = rtsFalse;
307 /* By default no special measurements taken */
308 RtsFlags.PapiFlags.eventType = 0;
315 "Usage: <prog> <args> [+RTS <rtsopts> | -RTS <args>] ... --RTS <args>",
317 " +RTS Indicates run time system options follow",
318 " -RTS Indicates program arguments follow",
319 " --RTS Indicates that ALL subsequent arguments will be given to the",
320 " program (including any of these RTS flags)",
322 "The following run time system options are available:",
324 " -? Prints this message and exits; the program is not executed",
326 " -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
327 " -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
329 " -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
330 " -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
331 " -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
332 " -m<n> Minimum % of heap which must be available (default 3%)",
333 " -G<n> Number of generations (default: 2)",
334 " -T<n> Number of steps in younger generations (default: 2)",
335 " -c<n> Auto-enable compaction of the oldest generation when live data is",
336 " at least <n>% of the maximum heap size set with -M (default: 30%)",
337 " -c Enable compaction for all major collections",
338 #if defined(THREADED_RTS)
339 " -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
342 " -t<file> One-line GC statistics (default file: <program>.stat)",
343 " -s<file> Summary GC statistics (with -Sstderr going to stderr)",
344 " -S<file> Detailed GC statistics",
345 #ifdef RTS_GTK_FRONTPANEL
346 " -f Display front panel (requires X11 & GTK+)",
350 " -Z Don't squeeze out update frames on stack overflow",
351 " -B Sound the bell at the start of each garbage collection",
352 #if defined(PROFILING) || defined(PAR)
354 " -px Time/allocation profile (XML) (output file <program>.prof)",
355 " -p Time/allocation profile (output file <program>.prof)",
356 " -P More detailed Time/Allocation profile",
357 " -Pa Give information about *all* cost centres",
359 # if defined(PROFILING)
361 " -hx Heap residency profile (XML) (output file <program>.prof)",
362 " -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
363 " break-down: c = cost centre stack (default)",
365 " d = closure description",
366 " y = type description",
368 " b = biography (LAG,DRAG,VOID,USE)",
369 " A subset of closures may be selected thusly:",
370 " -hc<cc>,... specific cost centre(s) (top of stack only)",
371 " -hC<cc>,... specific cost centre(s) (anywhere in stack)",
372 " -hm<mod>... all cost centres from the specified modules(s)",
373 " -hd<des>,... closures with specified closure descriptions",
374 " -hy<typ>... closures with specified type descriptions",
375 " -hr<cc>... closures with specified retainers",
376 " -hb<bio>... closures with specified biographies (lag,drag,void,use)",
378 " -R<size> Set the maximum retainer set size (default: 8)",
380 " -L<chars> Maximum length of a cost-centre stack in a heap profile",
383 " -i<sec> Time between heap samples (seconds, default: 0.1)",
385 " -xt Include threads (TSOs) in a heap profile",
387 " -xc Show current cost centre stack on raising an exception",
389 #endif /* PROFILING or PAR */
390 #if !defined(PROFILING) && defined(DEBUG)
392 " -h<break-down> Debugging Heap residency profile",
393 " (output file <program>.hp)",
394 " break-down: L = closure label (default)",
395 " T = closure type (constructor, thunk etc.)",
398 #if defined(TICKY_TICKY)
399 " -r<file> Produce reduction profiling statistics (with -rstderr for stderr)",
403 " -N<n> Use <n> PVMish processors in parallel (default: 2)",
404 /* NB: the -N<n> is implemented by the driver!! */
406 " -C<secs> Context-switch interval in seconds.",
407 " 0 or no argument means switch as often as possible.",
408 " Default: 0.02 sec; resolution is set by -V below.",
409 " -V<secs> Master tick interval in seconds.",
410 " This sets the resolution for -C and the profile timer -i.",
411 " Default: 0.02 sec.",
413 " -vs Trace scheduler events (see also -Ds with -debug)",
414 " -vt Time-stamp trace messages",
417 " -Ds DEBUG: scheduler",
418 " -Di DEBUG: interpreter",
420 " -DG DEBUG: gccafs",
423 " -DS DEBUG: sanity",
424 " -Dt DEBUG: stable",
428 " -Dl DEBUG: linker",
430 " -Dz DEBUG: stack squezing",
431 " -Dc DEBUG: program coverage",
434 #if defined(THREADED_RTS) && !defined(NOSMP)
435 " -N<n> Use <n> OS threads (default: 1)",
436 " -qm Don't automatically migrate threads between CPUs",
437 " -qw Migrate a thread to the current CPU when it is woken up",
439 #if defined(THREADED_RTS) || defined(PAR)
440 " -e<size> Size of spark pools (default 100)",
443 " -t<num> Set maximum number of advisory threads per PE (default 32)",
444 " -qP Enable activity profile (output files in ~/<program>*.gr)",
445 " -qQ<size> Set pack-buffer size (default: 1024)",
446 " -qd Turn on PVM-ish debugging",
447 " -qO Disable output for performance measurement",
449 #if defined(THREADED_RTS) || defined(PAR)
450 " -e<n> Maximum number of outstanding local sparks (default: 4096)",
453 " -d Turn on PVM-ish debugging",
454 " -O Disable output for performance measurement",
456 #if defined(GRAN) /* ToDo: fill in decent Docu here */
457 " -b... All GranSim options start with -b; see GranSim User's Guide for details",
459 #if defined(USE_PAPI)
460 " -aX CPU performance counter measurements using PAPI",
461 " (use with the -s<file> option). X is one of:",
464 " 1 - level 1 cache misses",
465 " 2 - level 2 cache misses",
466 " b - branch mispredictions",
467 " s - stalled cycles",
468 " e - cache miss and branch misprediction events",
471 "RTS options may also be specified using the GHCRTS environment variable.",
473 "Other RTS options may be available for programs compiled a different way.",
474 "The GHC User's Guide has full details.",
479 STATIC_INLINE rtsBool
480 strequal(const char *a, const char * b)
482 return(strcmp(a, b) == 0);
486 splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
492 while (isspace(*c1)) { c1++; };
494 while (!isspace(*c2) && *c2 != '\0') { c2++; };
496 if (c1 == c2) { break; }
498 if (*rts_argc < MAX_RTS_ARGS-1) {
499 s = stgMallocBytes(c2-c1+1, "RtsFlags.c:splitRtsFlags()");
500 strncpy(s, c1, c2-c1);
502 rts_argv[(*rts_argc)++] = s;
504 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
508 } while (*c1 != '\0');
512 setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
514 rtsBool error = rtsFalse;
525 // process arguments from the ghc_rts_opts global variable first.
526 // (arguments from the GHCRTS environment variable and the command
527 // line override these).
529 if (ghc_rts_opts != NULL) {
530 splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
534 // process arguments from the GHCRTS environment variable next
535 // (arguments from the command line override these).
537 char *ghc_rts = getenv("GHCRTS");
539 if (ghc_rts != NULL) {
540 splitRtsFlags(ghc_rts, rts_argc, rts_argv);
544 // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
545 // argv[0] must be PGM argument -- leave in argv
547 for (mode = PGM; arg < total_arg; arg++) {
548 // The '--RTS' argument disables all future +RTS ... -RTS processing.
549 if (strequal("--RTS", argv[arg])) {
553 // The '--' argument is passed through to the program, but
554 // disables all further +RTS ... -RTS processing.
555 else if (strequal("--", argv[arg])) {
558 else if (strequal("+RTS", argv[arg])) {
561 else if (strequal("-RTS", argv[arg])) {
564 else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
565 rts_argv[(*rts_argc)++] = argv[arg];
567 else if (mode == PGM) {
568 argv[(*argc)++] = argv[arg];
571 barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
574 // process remaining program arguments
575 for (; arg < total_arg; arg++) {
576 argv[(*argc)++] = argv[arg];
578 argv[*argc] = (char *) 0;
579 rts_argv[*rts_argc] = (char *) 0;
581 // Process RTS (rts_argv) part: mainly to determine statsfile
582 for (arg = 0; arg < *rts_argc; arg++) {
583 if (rts_argv[arg][0] != '-') {
585 errorBelch("unexpected RTS argument: %s", rts_argv[arg]);
589 switch(rts_argv[arg][1]) {
591 /* process: general args, then PROFILING-only ones,
592 then CONCURRENT-only, PARallel-only, GRAN-only,
593 TICKY-only (same order as defined in RtsFlags.lh);
594 within those groups, mostly in case-insensitive
596 Final group is x*, which allows for more options.
600 # define TICKY_BUILD_ONLY(x) x
602 # define TICKY_BUILD_ONLY(x) \
603 errorBelch("not built for: ticky-ticky stats"); \
607 #if defined(PROFILING)
608 # define COST_CENTRE_USING_BUILD_ONLY(x) x
610 # define COST_CENTRE_USING_BUILD_ONLY(x) \
611 errorBelch("not built for: -prof or -parallel"); \
616 # define PROFILING_BUILD_ONLY(x) x
618 # define PROFILING_BUILD_ONLY(x) \
619 errorBelch("not built for: -prof"); \
624 # define PAR_BUILD_ONLY(x) x
626 # define PAR_BUILD_ONLY(x) \
627 errorBelch("not built for: -parallel"); \
632 # define THREADED_BUILD_ONLY(x) x
634 # define THREADED_BUILD_ONLY(x) \
635 errorBelch("not built for: -smp"); \
639 #if defined(THREADED_RTS) || defined(PAR)
640 # define PAR_OR_THREADED_BUILD_ONLY(x) x
642 # define PAR_OR_THREADED_BUILD_ONLY(x) \
643 errorBelch("not built for: -parallel or -smp"); \
648 # define GRAN_BUILD_ONLY(x) x
650 # define GRAN_BUILD_ONLY(x) \
651 errorBelch("not built for: -gransim"); \
655 /* =========== GENERAL ========================== */
661 RtsFlags.GcFlags.minAllocAreaSize
662 = decode(rts_argv[arg]+2) / BLOCK_SIZE;
663 if (RtsFlags.GcFlags.minAllocAreaSize <= 0) {
664 bad_option(rts_argv[arg]);
670 switch(rts_argv[arg][2]) {
672 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L1;
675 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CACHE_L2;
678 RtsFlags.PapiFlags.eventType = PAPI_FLAG_BRANCH;
681 RtsFlags.PapiFlags.eventType = PAPI_FLAG_STALLS;
684 RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
687 bad_option( rts_argv[arg] );
693 RtsFlags.GcFlags.ringBell = rtsTrue;
697 if (rts_argv[arg][2] != '\0') {
698 RtsFlags.GcFlags.compactThreshold =
699 atof(rts_argv[arg]+2);
701 RtsFlags.GcFlags.compact = rtsTrue;
706 RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
708 if (RtsFlags.GcFlags.oldGenFactor < 0)
709 bad_option( rts_argv[arg] );
717 for (c = rts_argv[arg] + 2; *c != '\0'; c++) {
720 RtsFlags.DebugFlags.scheduler = rtsTrue;
723 RtsFlags.DebugFlags.interpreter = rtsTrue;
726 RtsFlags.DebugFlags.weak = rtsTrue;
729 RtsFlags.DebugFlags.gccafs = rtsTrue;
732 RtsFlags.DebugFlags.gc = rtsTrue;
735 RtsFlags.DebugFlags.block_alloc = rtsTrue;
738 RtsFlags.DebugFlags.sanity = rtsTrue;
741 RtsFlags.DebugFlags.stable = rtsTrue;
744 RtsFlags.DebugFlags.prof = rtsTrue;
747 RtsFlags.DebugFlags.gran = rtsTrue;
750 RtsFlags.DebugFlags.par = rtsTrue;
753 RtsFlags.DebugFlags.linker = rtsTrue;
756 RtsFlags.DebugFlags.apply = rtsTrue;
759 RtsFlags.DebugFlags.stm = rtsTrue;
762 RtsFlags.DebugFlags.squeeze = rtsTrue;
765 RtsFlags.DebugFlags.hpc = rtsTrue;
768 bad_option( rts_argv[arg] );
776 RtsFlags.GcFlags.maxStkSize =
777 decode(rts_argv[arg]+2) / sizeof(W_);
779 if (RtsFlags.GcFlags.maxStkSize == 0)
780 bad_option( rts_argv[arg] );
784 RtsFlags.GcFlags.initialStkSize =
785 decode(rts_argv[arg]+2) / sizeof(W_);
787 if (RtsFlags.GcFlags.initialStkSize == 0)
788 bad_option( rts_argv[arg] );
792 RtsFlags.GcFlags.maxHeapSize =
793 decode(rts_argv[arg]+2) / BLOCK_SIZE;
794 /* user give size in *bytes* but "maxHeapSize" is in *blocks* */
796 if (RtsFlags.GcFlags.maxHeapSize <= 0) {
797 bad_option(rts_argv[arg]);
802 RtsFlags.GcFlags.pcFreeHeap = atof(rts_argv[arg]+2);
804 if (RtsFlags.GcFlags.pcFreeHeap < 0 ||
805 RtsFlags.GcFlags.pcFreeHeap > 100)
806 bad_option( rts_argv[arg] );
810 RtsFlags.GcFlags.generations = decode(rts_argv[arg]+2);
811 if (RtsFlags.GcFlags.generations < 1) {
812 bad_option(rts_argv[arg]);
817 RtsFlags.GcFlags.steps = decode(rts_argv[arg]+2);
818 if (RtsFlags.GcFlags.steps < 1) {
819 bad_option(rts_argv[arg]);
824 RtsFlags.GcFlags.heapSizeSuggestion =
825 decode(rts_argv[arg]+2) / BLOCK_SIZE;
827 if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
828 bad_option(rts_argv[arg]);
832 #ifdef RTS_GTK_FRONTPANEL
834 RtsFlags.GcFlags.frontpanel = rtsTrue;
838 case 'I': /* idle GC delay */
839 if (rts_argv[arg][2] == '\0') {
844 /* Convert to millisecs */
845 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
846 RtsFlags.GcFlags.idleGCDelayTime = cst;
851 RtsFlags.GcFlags.giveStats = VERBOSE_GC_STATS;
855 RtsFlags.GcFlags.giveStats = SUMMARY_GC_STATS;
859 RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
864 /* Opening all those files would almost certainly fail... */
865 // RtsFlags.ParFlags.ParStats.Full = rtsTrue;
866 RtsFlags.GcFlags.statsFile = NULL; /* temporary; ToDo: rm */
870 r = open_stats_file(arg, *argc, argv,
871 *rts_argc, rts_argv, STAT_FILENAME_FMT,
872 &RtsFlags.GcFlags.statsFile);
873 if (r == -1) { error = rtsTrue; }
879 RtsFlags.GcFlags.squeezeUpdFrames = rtsFalse;
882 /* =========== PROFILING ========================== */
884 case 'P': /* detailed cost centre profiling (time/alloc) */
885 case 'p': /* cost centre profiling (time/alloc) */
886 COST_CENTRE_USING_BUILD_ONLY(
887 switch (rts_argv[arg][2]) {
889 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
892 RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
895 if (rts_argv[arg][1] == 'P') {
896 RtsFlags.CcFlags.doCostCentres =
897 COST_CENTRES_VERBOSE;
899 RtsFlags.CcFlags.doCostCentres =
900 COST_CENTRES_SUMMARY;
907 PROFILING_BUILD_ONLY(
908 RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
911 PROFILING_BUILD_ONLY(
912 RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2);
913 if(RtsFlags.ProfFlags.ccsLength <= 0) {
914 bad_option(rts_argv[arg]);
917 case 'h': /* serial heap profile */
918 #if !defined(PROFILING) && defined(DEBUG)
919 switch (rts_argv[arg][2]) {
922 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_INFOPTR;
925 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CLOSURE_TYPE;
928 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
932 PROFILING_BUILD_ONLY(
933 switch (rts_argv[arg][2]) {
947 if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
949 char *left = strchr(rts_argv[arg], '{');
950 char *right = strrchr(rts_argv[arg], '}');
952 // curly braces are optional, for
957 left = rts_argv[arg] + 3;
960 right = rts_argv[arg] + strlen(rts_argv[arg]);
964 switch (rts_argv[arg][2]) {
965 case 'c': // cost centre label select
966 RtsFlags.ProfFlags.ccSelector = left;
969 RtsFlags.ProfFlags.ccsSelector = left;
972 case 'm': // cost centre module select
973 RtsFlags.ProfFlags.modSelector = left;
976 case 'd': // closure descr select
977 RtsFlags.ProfFlags.descrSelector = left;
980 case 'y': // closure type select
981 RtsFlags.ProfFlags.typeSelector = left;
984 case 'r': // retainer select
985 RtsFlags.ProfFlags.retainerSelector = left;
988 case 'b': // biography select
989 RtsFlags.ProfFlags.bioSelector = left;
996 if (RtsFlags.ProfFlags.doHeapProfile != 0) {
997 errorBelch("multiple heap profile options");
1002 switch (rts_argv[arg][2]) {
1006 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
1010 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
1014 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
1018 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
1022 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
1026 RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
1032 errorBelch("invalid heap profile option: %s",rts_argv[arg]);
1036 #endif /* PROFILING */
1039 #if defined(PROFILING)
1040 case 'i': /* heap sample interval */
1041 if (rts_argv[arg][2] == '\0') {
1046 /* Convert to milliseconds */
1047 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1048 RtsFlags.ProfFlags.profileInterval = cst;
1053 /* =========== CONCURRENT ========================= */
1054 case 'C': /* context switch interval */
1055 if (rts_argv[arg][2] == '\0')
1056 RtsFlags.ConcFlags.ctxtSwitchTime = 0;
1060 /* Convert to milliseconds */
1061 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1062 RtsFlags.ConcFlags.ctxtSwitchTime = cst;
1066 case 'V': /* master tick interval */
1067 if (rts_argv[arg][2] == '\0') {
1068 // turns off ticks completely
1069 RtsFlags.MiscFlags.tickInterval = 0;
1073 /* Convert to milliseconds */
1074 cst = (I_) ((atof(rts_argv[arg]+2) * 1000));
1075 RtsFlags.MiscFlags.tickInterval = cst;
1079 #if defined(THREADED_RTS) && !defined(NOSMP)
1081 THREADED_BUILD_ONLY(
1082 if (rts_argv[arg][2] != '\0') {
1083 RtsFlags.ParFlags.nNodes
1084 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1085 if (RtsFlags.ParFlags.nNodes <= 0) {
1086 errorBelch("bad value for -N");
1093 switch (rts_argv[arg][2]) {
1095 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1099 RtsFlags.ParFlags.migrate = rtsFalse;
1102 RtsFlags.ParFlags.wakeupMigrate = rtsTrue;
1105 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1111 /* =========== PARALLEL =========================== */
1113 PAR_OR_THREADED_BUILD_ONLY(
1114 if (rts_argv[arg][2] != '\0') {
1115 RtsFlags.ParFlags.maxLocalSparks
1116 = strtol(rts_argv[arg]+2, (char **) NULL, 10);
1117 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
1118 errorBelch("bad value for -e");
1127 process_par_option(arg, rts_argc, rts_argv, &error);
1131 /* =========== GRAN =============================== */
1135 process_gran_option(arg, rts_argc, rts_argv, &error);
1138 /* =========== TICKY ============================== */
1140 case 'r': /* Basic profiling stats */
1143 RtsFlags.TickyFlags.showTickyStats = rtsTrue;
1147 r = open_stats_file(arg, *argc, argv,
1148 *rts_argc, rts_argv, TICKY_FILENAME_FMT,
1149 &RtsFlags.TickyFlags.tickyFile);
1150 if (r == -1) { error = rtsTrue; }
1154 /* =========== TRACING ---------=================== */
1157 switch(rts_argv[arg][2]) {
1159 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1163 RtsFlags.TraceFlags.timestamp = rtsTrue;
1166 RtsFlags.TraceFlags.sched = rtsTrue;
1169 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1175 /* =========== EXTENDED OPTIONS =================== */
1177 case 'x': /* Extend the argument space */
1178 switch(rts_argv[arg][2]) {
1180 errorBelch("incomplete RTS option: %s",rts_argv[arg]);
1184 case 'c': /* Debugging tool: show current cost centre on an exception */
1185 PROFILING_BUILD_ONLY(
1186 RtsFlags.ProfFlags.showCCSOnException = rtsTrue;
1190 case 't': /* Include memory used by TSOs in a heap profile */
1191 PROFILING_BUILD_ONLY(
1192 RtsFlags.ProfFlags.includeTSOs = rtsTrue;
1196 /* The option prefix '-xx' is reserved for future extension. KSW 1999-11. */
1199 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1203 break; /* defensive programming */
1205 /* =========== OH DEAR ============================ */
1207 errorBelch("unknown RTS option: %s",rts_argv[arg]);
1214 // Determine what tick interval we should use for the RTS timer
1215 // by taking the shortest of the various intervals that we need to
1217 if (RtsFlags.MiscFlags.tickInterval <= 0) {
1218 RtsFlags.MiscFlags.tickInterval = 50;
1221 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1222 RtsFlags.MiscFlags.tickInterval =
1223 stg_min(RtsFlags.ConcFlags.ctxtSwitchTime,
1224 RtsFlags.MiscFlags.tickInterval);
1227 if (RtsFlags.GcFlags.idleGCDelayTime > 0) {
1228 RtsFlags.MiscFlags.tickInterval =
1229 stg_min(RtsFlags.GcFlags.idleGCDelayTime,
1230 RtsFlags.MiscFlags.tickInterval);
1234 if (RtsFlags.ProfFlags.profileInterval > 0) {
1235 RtsFlags.MiscFlags.tickInterval =
1236 stg_min(RtsFlags.ProfFlags.profileInterval,
1237 RtsFlags.MiscFlags.tickInterval);
1241 if (RtsFlags.ConcFlags.ctxtSwitchTime > 0) {
1242 RtsFlags.ConcFlags.ctxtSwitchTicks =
1243 RtsFlags.ConcFlags.ctxtSwitchTime /
1244 RtsFlags.MiscFlags.tickInterval;
1246 RtsFlags.ConcFlags.ctxtSwitchTicks = 0;
1250 RtsFlags.ProfFlags.profileIntervalTicks =
1251 RtsFlags.ProfFlags.profileInterval / RtsFlags.MiscFlags.tickInterval;
1258 for (p = usage_text; *p; p++)
1259 errorBelch("%s", *p);
1260 stg_exit(EXIT_FAILURE);
1267 enable_GranSimLight(void) {
1269 debugBelch("GrAnSim Light enabled (infinite number of processors; 0 communication costs)\n");
1270 RtsFlags.GranFlags.Light=rtsTrue;
1271 RtsFlags.GranFlags.Costs.latency =
1272 RtsFlags.GranFlags.Costs.fetchtime =
1273 RtsFlags.GranFlags.Costs.additional_latency =
1274 RtsFlags.GranFlags.Costs.gunblocktime =
1275 RtsFlags.GranFlags.Costs.lunblocktime =
1276 RtsFlags.GranFlags.Costs.threadcreatetime =
1277 RtsFlags.GranFlags.Costs.threadqueuetime =
1278 RtsFlags.GranFlags.Costs.threadscheduletime =
1279 RtsFlags.GranFlags.Costs.threaddescheduletime =
1280 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1282 RtsFlags.GranFlags.Costs.mpacktime =
1283 RtsFlags.GranFlags.Costs.munpacktime = 0;
1285 RtsFlags.GranFlags.DoFairSchedule = rtsTrue;
1286 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1287 RtsFlags.GranFlags.DoAlwaysCreateThreads = rtsTrue;
1288 /* FetchStrategy is irrelevant in GrAnSim-Light */
1290 /* GrAnSim Light often creates an abundance of parallel threads,
1291 each with its own stack etc. Therefore, it's in general a good
1292 idea to use small stack chunks (use the -o<size> option to
1295 // RtsFlags.ConcFlags.stkChunkSize = 100;
1297 RtsFlags.GranFlags.proc = 1;
1301 process_gran_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
1303 if (rts_argv[arg][1] != 'b') /* All GranSim options start with -b */
1306 /* or a ridiculously idealised simulator */
1307 if(strcmp((rts_argv[arg]+2),"oring")==0) {
1308 RtsFlags.GranFlags.Costs.latency =
1309 RtsFlags.GranFlags.Costs.fetchtime =
1310 RtsFlags.GranFlags.Costs.additional_latency =
1311 RtsFlags.GranFlags.Costs.gunblocktime =
1312 RtsFlags.GranFlags.Costs.lunblocktime =
1313 RtsFlags.GranFlags.Costs.threadcreatetime =
1314 RtsFlags.GranFlags.Costs.threadqueuetime =
1315 RtsFlags.GranFlags.Costs.threadscheduletime =
1316 RtsFlags.GranFlags.Costs.threaddescheduletime =
1317 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1319 RtsFlags.GranFlags.Costs.mpacktime =
1320 RtsFlags.GranFlags.Costs.munpacktime = 0;
1322 RtsFlags.GranFlags.Costs.arith_cost =
1323 RtsFlags.GranFlags.Costs.float_cost =
1324 RtsFlags.GranFlags.Costs.load_cost =
1325 RtsFlags.GranFlags.Costs.store_cost =
1326 RtsFlags.GranFlags.Costs.branch_cost = 0;
1328 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1330 /* ++RtsFlags.GranFlags.DoFairSchedule; */
1331 RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; /* -bZ */
1332 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1333 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1337 /* or a somewhat idealised simulator */
1338 if(strcmp((rts_argv[arg]+2),"onzo")==0) {
1339 RtsFlags.GranFlags.Costs.latency =
1340 RtsFlags.GranFlags.Costs.fetchtime =
1341 RtsFlags.GranFlags.Costs.additional_latency =
1342 RtsFlags.GranFlags.Costs.gunblocktime =
1343 RtsFlags.GranFlags.Costs.lunblocktime =
1344 RtsFlags.GranFlags.Costs.threadcreatetime =
1345 RtsFlags.GranFlags.Costs.threadqueuetime =
1346 RtsFlags.GranFlags.Costs.threadscheduletime =
1347 RtsFlags.GranFlags.Costs.threaddescheduletime =
1348 RtsFlags.GranFlags.Costs.threadcontextswitchtime = 0;
1350 RtsFlags.GranFlags.Costs.mpacktime =
1351 RtsFlags.GranFlags.Costs.munpacktime = 0;
1353 RtsFlags.GranFlags.Costs.heapalloc_cost = 1;
1355 /* RtsFlags.GranFlags.DoFairSchedule = rtsTrue; */ /* -b-R */
1356 /* RtsFlags.GranFlags.DoStealThreadsFirst = rtsTrue; */ /* -b-T */
1357 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue; /* -bZ */
1358 RtsFlags.GranFlags.DoThreadMigration = rtsTrue; /* -bM */
1359 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue; /* -bP */
1360 # if defined(GRAN_CHECK) && defined(GRAN)
1361 RtsFlags.GranFlags.Debug.event_stats = rtsTrue; /* print event statistics */
1366 /* Communication and task creation cost parameters */
1367 switch(rts_argv[arg][2]) {
1369 IgnoreYields = rtsTrue; // HWL HACK
1373 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1377 if (rts_argv[arg][3] != '\0')
1379 RtsFlags.GranFlags.Costs.gunblocktime =
1380 RtsFlags.GranFlags.Costs.latency = decode(rts_argv[arg]+3);
1381 RtsFlags.GranFlags.Costs.fetchtime = 2*RtsFlags.GranFlags.Costs.latency;
1384 RtsFlags.GranFlags.Costs.latency = LATENCY;
1388 if (rts_argv[arg][3] != '\0')
1389 RtsFlags.GranFlags.Costs.additional_latency = decode(rts_argv[arg]+3);
1391 RtsFlags.GranFlags.Costs.additional_latency = ADDITIONAL_LATENCY;
1395 if (rts_argv[arg][3] != '\0')
1396 RtsFlags.GranFlags.Costs.mpacktime = decode(rts_argv[arg]+3);
1398 RtsFlags.GranFlags.Costs.mpacktime = MSGPACKTIME;
1402 if (rts_argv[arg][3] != '\0')
1403 RtsFlags.GranFlags.Costs.mtidytime = decode(rts_argv[arg]+3);
1405 RtsFlags.GranFlags.Costs.mtidytime = 0;
1409 if (rts_argv[arg][3] != '\0')
1410 RtsFlags.GranFlags.Costs.munpacktime = decode(rts_argv[arg]+3);
1412 RtsFlags.GranFlags.Costs.munpacktime = MSGUNPACKTIME;
1416 if (rts_argv[arg][3] != '\0')
1417 RtsFlags.GranFlags.Costs.fetchtime = decode(rts_argv[arg]+3);
1419 RtsFlags.GranFlags.Costs.fetchtime = FETCHTIME;
1423 if (rts_argv[arg][3] != '\0')
1424 RtsFlags.GranFlags.Costs.gunblocktime = decode(rts_argv[arg]+3);
1426 RtsFlags.GranFlags.Costs.gunblocktime = GLOBALUNBLOCKTIME;
1430 if (rts_argv[arg][3] != '\0')
1431 RtsFlags.GranFlags.Costs.lunblocktime = decode(rts_argv[arg]+3);
1433 RtsFlags.GranFlags.Costs.lunblocktime = LOCALUNBLOCKTIME;
1436 /* Thread-related metrics */
1438 if (rts_argv[arg][3] != '\0')
1439 RtsFlags.GranFlags.Costs.threadcreatetime = decode(rts_argv[arg]+3);
1441 RtsFlags.GranFlags.Costs.threadcreatetime = THREADCREATETIME;
1445 if (rts_argv[arg][3] != '\0')
1446 RtsFlags.GranFlags.Costs.threadqueuetime = decode(rts_argv[arg]+3);
1448 RtsFlags.GranFlags.Costs.threadqueuetime = THREADQUEUETIME;
1452 if (rts_argv[arg][3] != '\0')
1453 RtsFlags.GranFlags.Costs.threadscheduletime = decode(rts_argv[arg]+3);
1455 RtsFlags.GranFlags.Costs.threadscheduletime = THREADSCHEDULETIME;
1457 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1458 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1462 if (rts_argv[arg][3] != '\0')
1463 RtsFlags.GranFlags.Costs.threaddescheduletime = decode(rts_argv[arg]+3);
1465 RtsFlags.GranFlags.Costs.threaddescheduletime = THREADDESCHEDULETIME;
1467 RtsFlags.GranFlags.Costs.threadcontextswitchtime = RtsFlags.GranFlags.Costs.threadscheduletime
1468 + RtsFlags.GranFlags.Costs.threaddescheduletime;
1471 /* Instruction Cost Metrics */
1473 if (rts_argv[arg][3] != '\0')
1474 RtsFlags.GranFlags.Costs.arith_cost = decode(rts_argv[arg]+3);
1476 RtsFlags.GranFlags.Costs.arith_cost = ARITH_COST;
1480 if (rts_argv[arg][3] != '\0')
1481 RtsFlags.GranFlags.Costs.float_cost = decode(rts_argv[arg]+3);
1483 RtsFlags.GranFlags.Costs.float_cost = FLOAT_COST;
1487 if (rts_argv[arg][3] != '\0')
1488 RtsFlags.GranFlags.Costs.branch_cost = decode(rts_argv[arg]+3);
1490 RtsFlags.GranFlags.Costs.branch_cost = BRANCH_COST;
1494 if (rts_argv[arg][3] != '\0')
1495 RtsFlags.GranFlags.Costs.load_cost = decode(rts_argv[arg]+3);
1497 RtsFlags.GranFlags.Costs.load_cost = LOAD_COST;
1501 if (rts_argv[arg][3] != '\0')
1502 RtsFlags.GranFlags.Costs.store_cost = decode(rts_argv[arg]+3);
1504 RtsFlags.GranFlags.Costs.store_cost = STORE_COST;
1508 if (rts_argv[arg][3] != '\0')
1509 RtsFlags.GranFlags.Costs.heapalloc_cost = decode(rts_argv[arg]+3);
1511 RtsFlags.GranFlags.Costs.heapalloc_cost = 0;
1515 RtsFlags.GranFlags.DoAsyncFetch = rtsTrue;
1516 if (rts_argv[arg][3] != '\0')
1517 RtsFlags.GranFlags.FetchStrategy = decode(rts_argv[arg]+3);
1519 RtsFlags.GranFlags.FetchStrategy = 2;
1520 if (RtsFlags.GranFlags.FetchStrategy == 0)
1521 RtsFlags.GranFlags.DoAsyncFetch = rtsFalse;
1524 case 'K': /* sort overhead (per elem in spark list) */
1525 if (rts_argv[arg][3] != '\0')
1526 RtsFlags.GranFlags.Costs.pri_spark_overhead = decode(rts_argv[arg]+3);
1528 RtsFlags.GranFlags.Costs.pri_spark_overhead = PRI_SPARK_OVERHEAD;
1529 debugBelch("Overhead for pri spark: %d (per elem).\n",
1530 RtsFlags.GranFlags.Costs.pri_spark_overhead);
1533 case 'O': /* sort overhead (per elem in spark list) */
1534 if (rts_argv[arg][3] != '\0')
1535 RtsFlags.GranFlags.Costs.pri_sched_overhead = decode(rts_argv[arg]+3);
1537 RtsFlags.GranFlags.Costs.pri_sched_overhead = PRI_SCHED_OVERHEAD;
1538 debugBelch("Overhead for pri sched: %d (per elem).\n",
1539 RtsFlags.GranFlags.Costs.pri_sched_overhead);
1542 /* General Parameters */
1544 if (rts_argv[arg][3] != '\0')
1546 RtsFlags.GranFlags.proc = decode(rts_argv[arg]+3);
1547 if (RtsFlags.GranFlags.proc==0) {
1548 enable_GranSimLight(); /* set flags for GrAnSim-Light mode */
1549 } else if (RtsFlags.GranFlags.proc > MAX_PROC ||
1550 RtsFlags.GranFlags.proc < 1)
1552 debugBelch("setupRtsFlags: no more than %u processors allowed\n",
1558 RtsFlags.GranFlags.proc = MAX_PROC;
1562 RtsFlags.GranFlags.Fishing = rtsTrue;
1563 if (rts_argv[arg][3] != '\0')
1564 RtsFlags.GranFlags.maxFishes = decode(rts_argv[arg]+3);
1566 RtsFlags.GranFlags.maxFishes = MAX_FISHES;
1570 if (rts_argv[arg][3] != '\0')
1571 RtsFlags.GranFlags.time_slice = decode(rts_argv[arg]+3);
1573 RtsFlags.GranFlags.time_slice = GRAN_TIME_SLICE;
1577 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsTrue;
1578 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1582 debugBelch("Bulk fetching enabled.\n");
1583 RtsFlags.GranFlags.DoBulkFetching=rtsTrue;
1587 debugBelch("Thread migration enabled.\n");
1588 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1592 debugBelch("Fair Scheduling enabled.\n");
1593 RtsFlags.GranFlags.DoFairSchedule=rtsTrue;
1597 debugBelch("Priority Scheduling enabled.\n");
1598 RtsFlags.GranFlags.DoPriorityScheduling=rtsTrue;
1602 RtsFlags.GranFlags.DoStealThreadsFirst=rtsTrue;
1603 RtsFlags.GranFlags.DoThreadMigration=rtsTrue;
1607 RtsFlags.GranFlags.DoAsyncFetch=rtsTrue;
1611 /* RtsFlags.GranFlags.SimplifiedFetch=rtsTrue; */
1615 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsTrue;
1619 RtsFlags.GranFlags.GranSimStats.Binary=rtsTrue;
1623 /* format is -bP<c> where <c> is one char describing kind of profile */
1624 RtsFlags.GranFlags.GranSimStats.Full = rtsTrue;
1625 switch(rts_argv[arg][3]) {
1626 case '\0': break; // nothing special, just an ordinary profile
1627 case '0': RtsFlags.GranFlags.GranSimStats.Suppressed = rtsTrue;
1629 case 'b': RtsFlags.GranFlags.GranSimStats.Binary = rtsTrue;
1631 case 's': RtsFlags.GranFlags.GranSimStats.Sparks = rtsTrue;
1633 case 'h': RtsFlags.GranFlags.GranSimStats.Heap = rtsTrue;
1635 case 'n': RtsFlags.GranFlags.GranSimStats.NewLogfile = rtsTrue;
1637 case 'g': RtsFlags.GranFlags.GranSimStats.Global = rtsTrue;
1639 default: barf("Unknown option -bP%c", rts_argv[arg][3]);
1644 RtsFlags.GranFlags.GranSimStats.Sparks=rtsTrue;
1648 RtsFlags.GranFlags.GranSimStats.Heap=rtsTrue;
1651 case 'Y': /* syntax: -bY<n>[,<n>] n ... pos int */
1652 if (rts_argv[arg][3] != '\0') {
1655 arg0 = rts_argv[arg]+3;
1656 if ((tmp = strstr(arg0,","))==NULL) {
1657 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1658 debugBelch("SparkPriority: %u.\n",RtsFlags.GranFlags.SparkPriority);
1661 RtsFlags.GranFlags.SparkPriority = decode(arg0);
1662 RtsFlags.GranFlags.SparkPriority2 = decode(tmp);
1663 debugBelch("SparkPriority: %u.\n",
1664 RtsFlags.GranFlags.SparkPriority);
1665 debugBelch("SparkPriority2:%u.\n",
1666 RtsFlags.GranFlags.SparkPriority2);
1667 if (RtsFlags.GranFlags.SparkPriority2 <
1668 RtsFlags.GranFlags.SparkPriority) {
1669 debugBelch("WARNING: 2nd pri < main pri (%u<%u); 2nd pri has no effect\n",
1670 RtsFlags.GranFlags.SparkPriority2,
1671 RtsFlags.GranFlags.SparkPriority);
1675 /* plain pri spark is now invoked with -bX
1676 RtsFlags.GranFlags.DoPrioritySparking = 1;
1677 debugBelch("PrioritySparking.\n");
1683 if (rts_argv[arg][3] != '\0') {
1684 RtsFlags.GranFlags.ThunksToPack = decode(rts_argv[arg]+3);
1686 RtsFlags.GranFlags.ThunksToPack = 1;
1688 debugBelch("Thunks To Pack in one packet: %u.\n",
1689 RtsFlags.GranFlags.ThunksToPack);
1693 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1694 debugBelch("Deterministic mode (no random stealing)\n");
1697 /* The following class of options contains eXperimental */
1698 /* features in connection with exploiting granularity */
1699 /* information. I.e. if -bY is chosen these options */
1700 /* tell the RTS what to do with the supplied info --HWL */
1703 if (rts_argv[arg][3] != '\0') {
1704 RtsFlags.GranFlags.packBufferSize_internal = decode(rts_argv[arg]+3);
1706 RtsFlags.GranFlags.packBufferSize_internal = GRANSIM_DEFAULT_PACK_BUFFER_SIZE;
1708 debugBelch("Size of GranSim internal pack buffer: %u.\n",
1709 RtsFlags.GranFlags.packBufferSize_internal);
1713 switch(rts_argv[arg][3]) {
1716 RtsFlags.GranFlags.DoPrioritySparking = 1;
1717 debugBelch("Priority Sparking with Normal Priorities.\n");
1718 RtsFlags.GranFlags.InversePriorities = rtsFalse;
1719 RtsFlags.GranFlags.RandomPriorities = rtsFalse;
1720 RtsFlags.GranFlags.IgnorePriorities = rtsFalse;
1724 RtsFlags.GranFlags.DoPrioritySparking = 1;
1725 debugBelch("Priority Sparking with Inverse Priorities.\n");
1726 RtsFlags.GranFlags.InversePriorities++;
1730 RtsFlags.GranFlags.DoPrioritySparking = 1;
1731 debugBelch("Priority Sparking with Random Priorities.\n");
1732 RtsFlags.GranFlags.RandomPriorities++;
1736 RtsFlags.GranFlags.DoPrioritySparking = 1;
1737 debugBelch("Priority Sparking with No Priorities.\n");
1738 RtsFlags.GranFlags.IgnorePriorities++;
1742 bad_option( rts_argv[arg] );
1748 switch(rts_argv[arg][3]) {
1751 RtsFlags.GranFlags.DoAlwaysCreateThreads=rtsFalse;
1752 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1756 RtsFlags.GranFlags.DoBulkFetching=rtsFalse;
1760 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1764 RtsFlags.GranFlags.DoFairSchedule=rtsFalse;
1768 RtsFlags.GranFlags.DoStealThreadsFirst=rtsFalse;
1769 RtsFlags.GranFlags.DoThreadMigration=rtsFalse;
1773 RtsFlags.GranFlags.DoAsyncFetch=rtsFalse;
1777 RtsFlags.GranFlags.PreferSparksOfLocalNodes=rtsFalse;
1781 RtsFlags.GranFlags.GranSimStats.Suppressed=rtsTrue;
1785 RtsFlags.GranFlags.GranSimStats.Sparks=rtsFalse;
1789 RtsFlags.GranFlags.GranSimStats.Heap=rtsFalse;
1793 RtsFlags.GranFlags.GranSimStats.Binary=rtsFalse;
1797 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1801 RtsFlags.GranFlags.DoPrioritySparking = rtsFalse;
1802 RtsFlags.GranFlags.SparkPriority = rtsFalse;
1806 RtsFlags.GranFlags.DoPriorityScheduling = rtsFalse;
1810 RtsFlags.GranFlags.RandomSteal = rtsFalse;
1814 bad_option( rts_argv[arg] );
1819 # if defined(GRAN_CHECK) && defined(GRAN)
1821 switch(rts_argv[arg][3]) {
1822 case 'Q': /* Set pack buffer size (same as 'Q' in GUM) */
1823 if (rts_argv[arg][4] != '\0') {
1824 RtsFlags.GranFlags.packBufferSize = decode(rts_argv[arg]+4);
1825 debugBelch("Pack buffer size: %d\n",
1826 RtsFlags.GranFlags.packBufferSize);
1828 debugBelch("setupRtsFlags: missing size of PackBuffer (for -Q)\n");
1834 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
1835 /* hack warning: interpret the flags as a binary number */
1836 nat n = decode(rts_argv[arg]+3);
1837 set_GranSim_debug_options(n);
1840 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1841 if (rts_argv[arg][3] == gran_debug_opts_flags[i])
1844 if (i==MAX_GRAN_DEBUG_OPTION+1) {
1845 debugBelch("Valid GranSim debug options are:\n");
1846 help_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1847 bad_option( rts_argv[arg] );
1848 } else { // flag found; now set it
1849 set_GranSim_debug_options(GRAN_DEBUG_MASK(i)); // 2^i
1855 case 'e': /* event trace; also -bD1 */
1856 debugBelch("DEBUG: event_trace; printing event trace.\n");
1857 RtsFlags.GranFlags.Debug.event_trace = rtsTrue;
1858 /* RtsFlags.GranFlags.event_trace=rtsTrue; */
1861 case 'E': /* event statistics; also -bD2 */
1862 debugBelch("DEBUG: event_stats; printing event statistics.\n");
1863 RtsFlags.GranFlags.Debug.event_stats = rtsTrue;
1864 /* RtsFlags.GranFlags.Debug |= 0x20; print event statistics */
1867 case 'f': /* thunkStealing; also -bD4 */
1868 debugBelch("DEBUG: thunkStealing; printing forwarding of FETCHNODES.\n");
1869 RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue;
1870 /* RtsFlags.GranFlags.Debug |= 0x2; print fwd messages */
1873 case 'z': /* blockOnFetch; also -bD8 */
1874 debugBelch("DEBUG: blockOnFetch; check for blocked on fetch.\n");
1875 RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue;
1876 /* RtsFlags.GranFlags.Debug |= 0x4; debug non-reschedule-on-fetch */
1879 case 't': /* blockOnFetch_sanity; also -bD16 */
1880 debugBelch("DEBUG: blockOnFetch_sanity; check for TSO asleep on fetch.\n");
1881 RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue;
1882 /* RtsFlags.GranFlags.Debug |= 0x10; debug TSO asleep for fetch */
1885 case 'S': /* priSpark; also -bD32 */
1886 debugBelch("DEBUG: priSpark; priority sparking.\n");
1887 RtsFlags.GranFlags.Debug.priSpark = rtsTrue;
1890 case 's': /* priSched; also -bD64 */
1891 debugBelch("DEBUG: priSched; priority scheduling.\n");
1892 RtsFlags.GranFlags.Debug.priSched = rtsTrue;
1895 case 'F': /* findWork; also -bD128 */
1896 debugBelch("DEBUG: findWork; searching spark-pools (local & remote), thread queues for work.\n");
1897 RtsFlags.GranFlags.Debug.findWork = rtsTrue;
1900 case 'g': /* globalBlock; also -bD256 */
1901 debugBelch("DEBUG: globalBlock; blocking on remote closures (FETCHMEs etc in GUM).\n");
1902 RtsFlags.GranFlags.Debug.globalBlock = rtsTrue;
1905 case 'G': /* pack; also -bD512 */
1906 debugBelch("DEBUG: pack; routines for (un-)packing graph structures.\n");
1907 RtsFlags.GranFlags.Debug.pack = rtsTrue;
1910 case 'P': /* packBuffer; also -bD1024 */
1911 debugBelch("DEBUG: packBuffer; routines handling pack buffer (GranSim internal!).\n");
1912 RtsFlags.GranFlags.Debug.packBuffer = rtsTrue;
1915 case 'o': /* sortedQ; also -bD2048 */
1916 debugBelch("DEBUG: sortedQ; check whether spark/thread queues are sorted.\n");
1917 RtsFlags.GranFlags.Debug.sortedQ = rtsTrue;
1920 case 'r': /* randomSteal; also -bD4096 */
1921 debugBelch("DEBUG: randomSteal; stealing sparks/threads from random PEs.\n");
1922 RtsFlags.GranFlags.Debug.randomSteal = rtsTrue;
1925 case 'q': /* checkSparkQ; also -bD8192 */
1926 debugBelch("DEBUG: checkSparkQ; check consistency of the spark queues.\n");
1927 RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue;
1930 case ':': /* checkLight; also -bD16384 */
1931 debugBelch("DEBUG: checkLight; check GranSim-Light setup.\n");
1932 RtsFlags.GranFlags.Debug.checkLight = rtsTrue;
1935 case 'b': /* bq; also -bD32768 */
1936 debugBelch("DEBUG: bq; check blocking queues\n");
1937 RtsFlags.GranFlags.Debug.bq = rtsTrue;
1940 case 'd': /* all options turned on */
1941 debugBelch("DEBUG: all options turned on.\n");
1942 set_GranSim_debug_options(MAX_GRAN_DEBUG_MASK);
1943 /* RtsFlags.GranFlags.Debug |= 0x40; */
1947 /* RtsFlags.GranFlags.Debug = 1; */
1953 # endif /* GRAN_CHECK */
1955 bad_option( rts_argv[arg] );
1961 Interpret n as a binary number masking GranSim debug options and set the
1962 correxponding option. See gran_debug_opts_strs for explanations of the flags.
1965 set_GranSim_debug_options(nat n) {
1968 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
1970 errorBelch(gran_debug_opts_strs[i]);
1972 case 0: RtsFlags.GranFlags.Debug.event_trace = rtsTrue; break;
1973 case 1: RtsFlags.GranFlags.Debug.event_stats = rtsTrue; break;
1974 case 2: RtsFlags.GranFlags.Debug.bq = rtsTrue; break;
1975 case 3: RtsFlags.GranFlags.Debug.pack = rtsTrue; break;
1976 case 4: RtsFlags.GranFlags.Debug.checkSparkQ = rtsTrue; break;
1977 case 5: RtsFlags.GranFlags.Debug.thunkStealing = rtsTrue; break;
1978 case 6: RtsFlags.GranFlags.Debug.randomSteal = rtsTrue; break;
1979 case 7: RtsFlags.GranFlags.Debug.findWork = rtsTrue; break;
1980 case 8: RtsFlags.GranFlags.Debug.unused = rtsTrue; break;
1981 case 9: RtsFlags.GranFlags.Debug.pri = rtsTrue; break;
1982 case 10: RtsFlags.GranFlags.Debug.checkLight = rtsTrue; break;
1983 case 11: RtsFlags.GranFlags.Debug.sortedQ = rtsTrue; break;
1984 case 12: RtsFlags.GranFlags.Debug.blockOnFetch = rtsTrue; break;
1985 case 13: RtsFlags.GranFlags.Debug.packBuffer = rtsTrue; break;
1986 case 14: RtsFlags.GranFlags.Debug.blockOnFetch_sanity = rtsTrue; break;
1987 default: barf("set_GranSim_debug_options: only %d debug options expected");
1993 Print one line explanation for each of the GranSim debug options specified
1997 help_GranSim_debug_options(nat n) {
2000 for (i=0; i<=MAX_GRAN_DEBUG_OPTION; i++)
2002 debugBelch(gran_debug_opts_strs[i]);
2008 process_par_option(int arg, int *rts_argc, char *rts_argv[], rtsBool *error)
2011 if (rts_argv[arg][1] != 'q') { /* All GUM options start with -q */
2012 errorBelch("Warning: GUM option does not start with -q: %s", rts_argv[arg]);
2016 /* Communication and task creation cost parameters */
2017 switch(rts_argv[arg][2]) {
2018 case 'e': /* -qe<n> ... allow <n> local sparks */
2019 if (rts_argv[arg][3] != '\0') { /* otherwise, stick w/ the default */
2020 RtsFlags.ParFlags.maxLocalSparks
2021 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2023 if (RtsFlags.ParFlags.maxLocalSparks <= 0) {
2024 errorBelch("setupRtsFlags: bad value for -e\n");
2028 IF_PAR_DEBUG(verbose,
2029 errorBelch("-qe<n>: max %d local sparks",
2030 RtsFlags.ParFlags.maxLocalSparks));
2034 if (rts_argv[arg][3] != '\0') {
2035 RtsFlags.ParFlags.maxThreads
2036 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2038 errorBelch("missing size for -qt\n");
2041 IF_PAR_DEBUG(verbose,
2042 errorBelch("-qt<n>: max %d threads",
2043 RtsFlags.ParFlags.maxThreads));
2047 if (rts_argv[arg][3] != '\0')
2048 RtsFlags.ParFlags.maxFishes = decode(rts_argv[arg]+3);
2050 RtsFlags.ParFlags.maxFishes = MAX_FISHES;
2052 IF_PAR_DEBUG(verbose,
2053 errorBelch("-qf<n>: max %d fishes sent out at one time",
2054 RtsFlags.ParFlags.maxFishes));
2058 if (rts_argv[arg][3] != '\0') {
2059 RtsFlags.ParFlags.fishDelay
2060 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2062 errorBelch("missing fish delay time for -qF\n");
2065 IF_PAR_DEBUG(verbose,
2066 errorBelch("-qF<n>: fish delay time %d us",
2067 RtsFlags.ParFlags.fishDelay));
2071 RtsFlags.ParFlags.outputDisabled = rtsTrue;
2072 IF_PAR_DEBUG(verbose,
2073 errorBelch("-qO: output disabled"));
2076 case 'g': /* -qg<n> ... globalisation scheme */
2077 if (rts_argv[arg][3] != '\0') {
2078 RtsFlags.ParFlags.globalising = decode(rts_argv[arg]+3);
2080 errorBelch("missing identifier for globalisation scheme (for -qg)\n");
2083 IF_PAR_DEBUG(verbose,
2084 debugBelch("-qg<n>: globalisation scheme set to %d",
2085 RtsFlags.ParFlags.globalising));
2088 case 'h': /* -qh<n> ... max number of thunks (except root) in packet */
2089 if (rts_argv[arg][3] != '\0') {
2090 RtsFlags.ParFlags.thunksToPack = decode(rts_argv[arg]+3);
2092 errorBelch("missing number of thunks per packet (for -qh)\n");
2095 IF_PAR_DEBUG(verbose,
2096 debugBelch("-qh<n>: thunks per packet set to %d",
2097 RtsFlags.ParFlags.thunksToPack));
2100 case 'P': /* -qP for writing a log file */
2101 //RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2102 /* same encoding as in GranSim after -bP */
2103 switch(rts_argv[arg][3]) {
2104 case '\0': RtsFlags.ParFlags.ParStats.Full = rtsTrue;
2105 break; // nothing special, just an ordinary profile
2106 case '0': RtsFlags.ParFlags.ParStats.Suppressed = rtsTrue;
2107 RtsFlags.ParFlags.ParStats.Full = rtsFalse;
2109 case 'b': RtsFlags.ParFlags.ParStats.Binary = rtsTrue;
2111 case 's': RtsFlags.ParFlags.ParStats.Sparks = rtsTrue;
2113 //case 'h': RtsFlags.parFlags.ParStats.Heap = rtsTrue;
2115 case 'n': RtsFlags.ParFlags.ParStats.NewLogfile = rtsTrue;
2118 # if defined(PAR_TICKY)
2119 RtsFlags.ParFlags.ParStats.Global = rtsTrue;
2121 errorBelch("-qPg is only possible for a PAR_TICKY RTS, which this is not");
2122 stg_exit(EXIT_FAILURE);
2125 default: barf("Unknown option -qP%c", rts_argv[arg][2]);
2127 IF_PAR_DEBUG(verbose,
2128 debugBelch("(-qP) writing to log-file (RtsFlags.ParFlags.ParStats.Full=%s)",
2129 (RtsFlags.ParFlags.ParStats.Full ? "rtsTrue" : "rtsFalse")));
2132 case 'Q': /* -qQ<n> ... set pack buffer size to <n> */
2133 if (rts_argv[arg][3] != '\0') {
2134 RtsFlags.ParFlags.packBufferSize = decode(rts_argv[arg]+3);
2136 errorBelch("missing size of PackBuffer (for -qQ)\n");
2139 IF_PAR_DEBUG(verbose,
2140 debugBelch("-qQ<n>: pack buffer size set to %d",
2141 RtsFlags.ParFlags.packBufferSize));
2145 RtsFlags.ParFlags.doFairScheduling = rtsTrue;
2146 IF_PAR_DEBUG(verbose,
2147 debugBelch("-qR: fair-ish scheduling"));
2152 if (rts_argv[arg][3] != '\0') {
2153 RtsFlags.ParFlags.wait
2154 = strtol(rts_argv[arg]+3, (char **) NULL, 10);
2156 RtsFlags.ParFlags.wait = 1000;
2158 IF_PAR_DEBUG(verbose,
2159 debugBelch("-qw<n>: length of wait loop after synchr before reduction: %d",
2160 RtsFlags.ParFlags.wait));
2163 case 'D': /* -qD ... all the debugging options */
2164 if (isdigit(rts_argv[arg][3])) {/* Set all debugging options in one */
2165 /* hack warning: interpret the flags as a binary number */
2166 nat n = decode(rts_argv[arg]+3);
2167 set_par_debug_options(n);
2170 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2171 if (rts_argv[arg][3] == par_debug_opts_flags[i])
2174 if (i==MAX_PAR_DEBUG_OPTION+1) {
2175 errorBelch("Valid GUM debug options are:\n");
2176 help_par_debug_options(MAX_PAR_DEBUG_MASK);
2177 bad_option( rts_argv[arg] );
2178 } else { // flag found; now set it
2179 set_par_debug_options(PAR_DEBUG_MASK(i)); // 2^i
2185 errorBelch("Unknown option -q%c (%d opts in total)",
2186 rts_argv[arg][2], *rts_argc);
2192 Interpret n as a binary number masking Par debug options and set the
2193 correxponding option. See par_debug_opts_strs for explanations of the flags.
2196 set_par_debug_options(nat n) {
2199 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2201 debugBelch(par_debug_opts_strs[i]);
2203 case 0: RtsFlags.ParFlags.Debug.verbose = rtsTrue; break;
2204 case 1: RtsFlags.ParFlags.Debug.bq = rtsTrue; break;
2205 case 2: RtsFlags.ParFlags.Debug.schedule = rtsTrue; break;
2206 case 3: RtsFlags.ParFlags.Debug.free = rtsTrue; break;
2207 case 4: RtsFlags.ParFlags.Debug.resume = rtsTrue; break;
2208 case 5: RtsFlags.ParFlags.Debug.weight = rtsTrue; break;
2209 case 6: RtsFlags.ParFlags.Debug.fetch = rtsTrue; break;
2210 //case 7: RtsFlags.ParFlags.Debug.ack = rtsTrue; break;
2211 case 7: RtsFlags.ParFlags.Debug.fish = rtsTrue; break;
2212 case 8: RtsFlags.ParFlags.Debug.tables = rtsTrue; break;
2213 case 9: RtsFlags.ParFlags.Debug.packet = rtsTrue; break;
2214 case 10: RtsFlags.ParFlags.Debug.pack = rtsTrue; break;
2215 case 11: RtsFlags.ParFlags.Debug.paranoia = rtsTrue; break;
2216 default: barf("set_par_debug_options: only %d debug options expected",
2217 MAX_PAR_DEBUG_OPTION);
2223 Print one line explanation for each of the GranSim debug options specified
2227 help_par_debug_options(nat n) {
2230 for (i=0; i<=MAX_PAR_DEBUG_OPTION; i++)
2232 debugBelch(par_debug_opts_strs[i]);
2238 stats_fprintf(FILE *f, char *s, ...)
2250 static int /* return -1 on error */
2253 int argc, char *argv[],
2254 int rts_argc, char *rts_argv[],
2255 const char *FILENAME_FMT,
2260 if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
2261 f = NULL; /* NULL means use debugBelch */
2263 if (rts_argv[arg][2] != '\0') { /* stats file specified */
2264 f = fopen(rts_argv[arg]+2,"w");
2266 char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
2267 sprintf(stats_filename, FILENAME_FMT, argv[0]);
2268 f = fopen(stats_filename,"w");
2271 errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
2278 /* Write argv and rtsv into start of stats file */
2280 for(count = 0; count < argc; count++) {
2281 stats_fprintf(f, "%s ", argv[count]);
2283 stats_fprintf(f, "+RTS ");
2284 for(count = 0; count < rts_argc; count++)
2285 stats_fprintf(f, "%s ", rts_argv[count]);
2286 stats_fprintf(f, "\n");
2294 decode(const char *s)
2305 if (c == 'g' || c == 'G')
2306 m *= 1000*1000*1000; /* UNchecked! */
2307 else if (c == 'm' || c == 'M')
2308 m *= 1000*1000; /* We do not use powers of 2 (1024) */
2309 else if (c == 'k' || c == 'K') /* to avoid possible bad effects on */
2310 m *= 1000; /* a direct-mapped cache. */
2311 else if (c == 'w' || c == 'W')
2318 bad_option(const char *s)
2320 errorBelch("bad RTS option: %s", s);
2321 stg_exit(EXIT_FAILURE);
2324 /* -----------------------------------------------------------------------------
2325 Getting/Setting the program's arguments.
2327 These are used by System.Environment, and parts of the RTS.
2328 -------------------------------------------------------------------------- */
2331 setProgName(char *argv[])
2333 /* Remove directory from argv[0] -- default files in current directory */
2334 #if !defined(mingw32_HOST_OS)
2336 if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
2337 prog_name = last_slash+1;
2339 prog_name = argv[0];
2342 char* last_slash = argv[0] + (strlen(argv[0]) - 1);
2343 while ( last_slash > argv[0] ) {
2344 if ( *last_slash == '/' || *last_slash == '\\' ) {
2345 prog_name = last_slash+1;
2350 prog_name = argv[0];
2355 getProgArgv(int *argc, char **argv[])
2357 if (argc) { *argc = prog_argc; }
2358 if (argv) { *argv = prog_argv; }
2362 setProgArgv(int argc, char *argv[])
2364 /* Usually this is done by startupHaskell, so we don't need to call this.
2365 However, sometimes Hugs wants to change the arguments which Haskell
2366 getArgs >>= ... will be fed. So you can do that by calling here
2367 _after_ calling startupHaskell.
2371 setProgName(prog_argv);