-struct CONCURRENT_FLAGS {
- int ctxtSwitchTime; /* in milliseconds */
- int ctxtSwitchTicks; /* derived */
-};
-
-struct MISC_FLAGS {
- int tickInterval; /* in milliseconds */
- rtsBool install_signal_handlers;
- rtsBool machineReadable;
- StgWord linkerMemBase; /* address to ask the OS for memory
- * for the linker, NULL ==> off */
-};
-
-#ifdef PAR
-/* currently the same as GRAN_STATS_FLAGS */
-struct PAR_STATS_FLAGS {
- rtsBool Full; /* Full .gr profile (rtsTrue) or only END events? */
- rtsBool Suppressed; /* No .gr profile at all */
- rtsBool Binary; /* Binary profile? (not yet implemented) */
- rtsBool Sparks; /* Info on sparks in profile? */
- rtsBool Heap; /* Info on heap allocs in profile? */
- rtsBool NewLogfile; /* Use new log-file format? (not yet implemented) */
- rtsBool Global; /* Global statistics? (printed on shutdown; no log file) */
-};
-
-struct PAR_DEBUG_FLAGS {
- /* flags to control debugging output in various subsystems */
- rtsBool verbose : 1; /* 1 */
- rtsBool bq : 1; /* 2 */
- rtsBool schedule : 1; /* 4 */
- rtsBool free : 1; /* 8 */
- rtsBool resume : 1; /* 16 */
- rtsBool weight : 1; /* 32 */
- rtsBool fetch : 1; /* 64 */
- rtsBool fish : 1; /* 128 */
- rtsBool tables : 1; /* 256 */
- rtsBool packet : 1; /* 512 */
- rtsBool pack : 1; /* 1024 */
- rtsBool paranoia : 1; /* 2048 */
-};
-
-#define MAX_PAR_DEBUG_OPTION 11
-#define PAR_DEBUG_MASK(n) ((nat)(ldexp(1,n)))
-#define MAX_PAR_DEBUG_MASK ((nat)(ldexp(1,(MAX_PAR_DEBUG_OPTION+1))-1))
-
-struct PAR_FLAGS {
- struct PAR_STATS_FLAGS ParStats; /* profile and stats output */
- struct PAR_DEBUG_FLAGS Debug; /* debugging options */
- rtsBool outputDisabled; /* Disable output for performance purposes */
- rtsBool doFairScheduling; /* Fair-ish scheduling (round robin; no time-slices) */
- nat packBufferSize;
- nat thunksToPack; /* number of thunks in packet + 1 */
- nat globalising; /* globalisation scheme */
- nat maxLocalSparks; /* spark pool size */
- nat maxThreads; /* thread pool size */
- nat maxFishes; /* max number of active fishes */
- rtsTime fishDelay; /* delay before sending a new fish */
- long wait;
-};
-#endif /* PAR */
-
-#ifdef THREADED_RTS
-struct PAR_FLAGS {
- nat nNodes; /* number of threads to run simultaneously */
- rtsBool migrate; /* migrate threads between capabilities */
- rtsBool wakeupMigrate; /* migrate a thread on wakeup */
- unsigned int maxLocalSparks;
- rtsBool parGcEnabled; /* enable parallel GC */
- rtsBool parGcGen; /* do parallel GC in this generation
- * and higher only */
- rtsBool parGcLoadBalancing; /* do load-balancing in parallel GC */
- rtsBool setAffinity; /* force thread affinity with CPUs */
-};
-#endif /* THREADED_RTS */
-
-#ifdef GRAN
-struct GRAN_STATS_FLAGS {
- rtsBool Full; /* Full .gr profile (rtsTrue) or only END events? */
- rtsBool Suppressed; /* No .gr profile at all */
- rtsBool Binary; /* Binary profile? (not yet implemented) */
- rtsBool Sparks; /* Info on sparks in profile? */
- rtsBool Heap; /* Info on heap allocs in profile? */
- rtsBool NewLogfile; /* Use new log-file format? (not yet implemented) */
- rtsBool Global; /* Global statistics? (printed on shutdown; no log file) */
-};
-
-struct GRAN_COST_FLAGS {
- /* Communication Cost Variables -- set in main program */
- nat latency; /* Latency for single packet */
- nat additional_latency; /* Latency for additional packets */
- nat fetchtime;
- nat lunblocktime; /* Time for local unblock */
- nat gunblocktime; /* Time for global unblock */
- nat mpacktime; /* Cost of creating a packet */
- nat munpacktime; /* Cost of receiving a packet */
- nat mtidytime; /* Cost of cleaning up after send */
-
- nat threadcreatetime; /* Thread creation costs */
- nat threadqueuetime; /* Cost of adding a thread to the running/runnable queue */
- nat threaddescheduletime; /* Cost of descheduling a thread */
- nat threadscheduletime; /* Cost of scheduling a thread */
- nat threadcontextswitchtime; /* Cost of context switch */
-
- /* Instruction Costs */
- nat arith_cost; /* arithmetic instructions (+,i,< etc) */
- nat branch_cost; /* branch instructions */
- nat load_cost; /* load into register */
- nat store_cost; /* store into memory */
- nat float_cost; /* floating point operations */
-
- nat heapalloc_cost; /* heap allocation costs */
-
- /* Overhead for granularity control mechanisms */
- /* overhead per elem of spark queue */
- nat pri_spark_overhead;
- /* overhead per elem of thread queue */
- nat pri_sched_overhead;
-};
-
-struct GRAN_DEBUG_FLAGS {
- /* flags to control debugging output in various subsystems */
- rtsBool event_trace : 1; /* 1 */
- rtsBool event_stats : 1; /* 2 */
- rtsBool bq : 1; /* 4 */
- rtsBool pack : 1; /* 8 */
- rtsBool checkSparkQ : 1; /* 16 */
- rtsBool thunkStealing : 1; /* 32 */
- rtsBool randomSteal : 1; /* 64 */
- rtsBool findWork : 1; /* 128 */
- rtsBool unused : 1; /* 256 */
- rtsBool pri : 1; /* 512 */
- rtsBool checkLight : 1; /* 1024 */
- rtsBool sortedQ : 1; /* 2048 */
- rtsBool blockOnFetch : 1; /* 4096 */
- rtsBool packBuffer : 1; /* 8192 */
- rtsBool blockOnFetch_sanity : 1; /* 16384 */
-};
-
-#define MAX_GRAN_DEBUG_OPTION 14
-#define GRAN_DEBUG_MASK(n) ((nat)(ldexp(1,n)))
-#define MAX_GRAN_DEBUG_MASK ((nat)(ldexp(1,(MAX_GRAN_DEBUG_OPTION+1))-1))
-
-struct GRAN_FLAGS {
- struct GRAN_STATS_FLAGS GranSimStats; /* profile and stats output */
- struct GRAN_COST_FLAGS Costs; /* cost metric for simulation */
- struct GRAN_DEBUG_FLAGS Debug; /* debugging options */
-
- nat maxThreads; /* ToDo: share with THREADED_RTS and GUM */
- /* rtsBool labelling; */
- nat packBufferSize;
- nat packBufferSize_internal;
-
- PEs proc; /* number of processors */
- rtsBool Fishing; /* Simulate GUM style fishing mechanism? */
- nat maxFishes; /* max number of spark or thread steals */
- rtsTime time_slice; /* max time slice of one reduction thread */
-
- /* GrAnSim-Light: This version puts no bound on the number of
- processors but in exchange doesn't model communication costs
- (all communication is 0 cost). Mainly intended to show maximal
- degree of parallelism in the program (*not* to simulate the
- execution on a real machine). */
-
- rtsBool Light;
-
- rtsBool DoFairSchedule ; /* fair scheduling alg? default: unfair */
- rtsBool DoAsyncFetch; /* async. communication? */
- rtsBool DoStealThreadsFirst; /* prefer threads over sparks when stealing */
- rtsBool DoAlwaysCreateThreads; /* eager thread creation */
- rtsBool DoBulkFetching; /* bulk fetching */
- rtsBool DoThreadMigration; /* allow to move threads */
- nat FetchStrategy; /* what to do when waiting for data */
- rtsBool PreferSparksOfLocalNodes; /* prefer local over global sparks */
- rtsBool DoPrioritySparking; /* sparks sorted by priorities */
- rtsBool DoPriorityScheduling; /* threads sorted by priorities */
- nat SparkPriority; /* threshold for cut-off mechanism */
- nat SparkPriority2;
- rtsBool RandomPriorities;
- rtsBool InversePriorities;
- rtsBool IgnorePriorities;
- nat ThunksToPack; /* number of thunks in packet + 1 */
- rtsBool RandomSteal; /* steal spark/thread from random proc */
- rtsBool NoForward; /* no forwarding of fetch messages */
-
- /* unsigned int debug; */
- /* rtsBool event_trace; */
- /* rtsBool event_trace_all; */
-};
-#endif /* GRAN */
-
-struct TICKY_FLAGS {
- rtsBool showTickyStats;
- FILE *tickyFile;
-};
-
-#ifdef USE_PAPI
-#define MAX_PAPI_USER_EVENTS 8
-
-struct PAPI_FLAGS {
- nat eventType; /* The type of events to count */
- nat numUserEvents;
- char * userEvents[MAX_PAPI_USER_EVENTS];
-};
-
-#define PAPI_FLAG_CACHE_L1 1
-#define PAPI_FLAG_CACHE_L2 2
-#define PAPI_FLAG_BRANCH 3
-#define PAPI_FLAG_STALLS 4
-#define PAPI_FLAG_CB_EVENTS 5
-#define PAPI_USER_EVENTS 6
-
-#endif
-
-/* Put them together: */
-
-typedef struct _RTS_FLAGS {
- /* The first portion of RTS_FLAGS is invariant. */
- struct GC_FLAGS GcFlags;
- struct CONCURRENT_FLAGS ConcFlags;
- struct MISC_FLAGS MiscFlags;
- struct DEBUG_FLAGS DebugFlags;
- struct COST_CENTRE_FLAGS CcFlags;
- struct PROFILING_FLAGS ProfFlags;
-#ifdef EVENTLOG
- struct EVENTLOG_FLAGS EventLogFlags;
-#endif
- struct TICKY_FLAGS TickyFlags;
-
-#if defined(THREADED_RTS) || defined(PAR)
- struct PAR_FLAGS ParFlags;
-#endif
-#ifdef GRAN
- struct GRAN_FLAGS GranFlags;
-#endif
-#ifdef USE_PAPI
- struct PAPI_FLAGS PapiFlags;
-#endif
-} RTS_FLAGS;
-
-#ifdef COMPILING_RTS_MAIN
-extern DLLIMPORT RTS_FLAGS RtsFlags;
-#elif IN_STG_CODE
-/* Hack because the C code generator can't generate '&label'. */
-extern RTS_FLAGS RtsFlags[];
-#else
-extern RTS_FLAGS RtsFlags;
-#endif
-
-/* Routines that operate-on/to-do-with RTS flags: */
-
-extern void initRtsFlagsDefaults(void);
-extern void setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[]);
-extern void setProgName(char *argv[]);
-
-
-/*
- * The printf formats are here, so we are less likely to make
- * overly-long filenames (with disastrous results). No more than 128
- * chars, please!
- */
-
-#define STATS_FILENAME_MAXLEN 128
-
-#define GR_FILENAME_FMT "%0.124s.gr"
-#define GR_FILENAME_FMT_GUM "%0.120s.%03d.%s"
-#define HP_FILENAME_FMT "%0.124s.hp"
-#define LIFE_FILENAME_FMT "%0.122s.life"
-#define PROF_FILENAME_FMT "%0.122s.prof"
-#define PROF_FILENAME_FMT_GUM "%0.118s.%03d.prof"
-#define QP_FILENAME_FMT "%0.124s.qp"
-#define STAT_FILENAME_FMT "%0.122s.stat"
-#define TICKY_FILENAME_FMT "%0.121s.ticky"
-#define TIME_FILENAME_FMT "%0.122s.time"
-#define TIME_FILENAME_FMT_GUM "%0.118s.%03d.time"
-
-/* an "int" so as to match normal "argc" */
-/* Now defined in Stg.h (lib/std/cbits need these too.)
-extern int prog_argc;
-extern char **prog_argv;
-*/
-extern int rts_argc; /* ditto */
-extern char *rts_argv[];
-
-#endif /* RTSFLAGS_H */