#include "PosixSource.h"
#include "Rts.h"
+#include "RtsOpts.h"
#include "RtsUtils.h"
#include "Profiling.h"
RtsFlags.GcFlags.maxStkSize = (8 * 1024 * 1024) / sizeof(W_);
RtsFlags.GcFlags.initialStkSize = 1024 / sizeof(W_);
+ RtsFlags.GcFlags.stkChunkSize = (32 * 1024) / sizeof(W_);
+ RtsFlags.GcFlags.stkChunkBufferSize = (1 * 1024) / sizeof(W_);
RtsFlags.GcFlags.minAllocAreaSize = (512 * 1024) / BLOCK_SIZE;
RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
" --info Print information about the RTS used by this program",
"",
" -K<size> Sets the maximum stack size (default 8M) Egs: -K32k -K512k",
-" -k<size> Sets the initial thread stack size (default 1k) Egs: -k4k -k2m",
+" -ki<size> Sets the initial thread stack size (default 1k) Egs: -ki4k -ki2m",
+" -kc<size> Sets the stack chunk size (default 32k)",
+" -kb<size> Sets the stack chunk buffer size (default 1k)",
"",
" -A<size> Sets the minimum allocation area size (default 512k) Egs: -A1m -A10k",
" -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
" --install-signal-handlers=<yes|no>",
" Install signal handlers (default: yes)",
#if defined(THREADED_RTS)
-" -e<size> Size of spark pools (default 100)",
-#endif
-#if defined(THREADED_RTS)
" -e<n> Maximum number of outstanding local sparks (default: 4096)",
#endif
#if defined(x86_64_HOST_ARCH)
" b - branch mispredictions",
" s - stalled cycles",
" e - cache miss and branch misprediction events",
+" +PAPI_EVENT - collect papi preset event PAPI_EVENT",
+" #NATIVE_EVENT - collect native event NATIVE_EVENT (in hex)",
#endif
"",
"RTS options may also be specified using the GHCRTS environment variable.",
char *ghc_rts = getenv("GHCRTS");
if (ghc_rts != NULL) {
- splitRtsFlags(ghc_rts, rts_argc, rts_argv);
+ if (rtsOptsEnabled != rtsOptsNone) {
+ splitRtsFlags(ghc_rts, rts_argc, rts_argv);
+ }
+ else {
+ errorBelch("Warning: Ignoring GHCRTS variable as RTS options are disabled.\n Link with -rtsopts to enable them.");
+ // We don't actually exit, just warn
+ }
}
}
break;
}
else if (strequal("+RTS", argv[arg])) {
- mode = RTS;
+ if (rtsOptsEnabled != rtsOptsNone) {
+ mode = RTS;
+ }
+ else {
+ errorBelch("RTS options are disabled. Link with -rtsopts to enable them.");
+ stg_exit(EXIT_FAILURE);
+ }
}
else if (strequal("-RTS", argv[arg])) {
mode = PGM;
}
else if (mode == RTS && *rts_argc < MAX_RTS_ARGS-1) {
- rts_argv[(*rts_argc)++] = argv[arg];
- }
- else if (mode == PGM) {
+ rts_argv[(*rts_argc)++] = argv[arg];
+ }
+ else if (mode == PGM) {
argv[(*argc)++] = argv[arg];
}
else {
error = rtsTrue;
} else {
- switch(rts_argv[arg][1]) {
+
+ switch(rts_argv[arg][1]) {
+ case '-':
+ if (strequal("info", &rts_argv[arg][2])) {
+ printRtsInfo();
+ stg_exit(0);
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (rtsOptsEnabled != rtsOptsAll)
+ {
+ errorBelch("Most RTS options are disabled. Link with -rtsopts to enable them.");
+ stg_exit(EXIT_FAILURE);
+ }
+
+ switch(rts_argv[arg][1]) {
/* process: general args, then PROFILING-only ones, then
CONCURRENT-only, TICKY-only (same order as defined in
else if (strequal("info",
&rts_argv[arg][2])) {
printRtsInfo();
- exit(0);
+ stg_exit(0);
}
else {
errorBelch("unknown RTS option: %s",rts_argv[arg]);
RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
break;
case '+':
+ case '#':
if (RtsFlags.PapiFlags.numUserEvents >= MAX_PAPI_USER_EVENTS) {
errorBelch("maximum number of PAPI events reached");
stg_exit(EXIT_FAILURE);
}
+ nat eventNum = RtsFlags.PapiFlags.numUserEvents++;
+ char kind = rts_argv[arg][2];
+ nat eventKind = kind == '+' ? PAPI_PRESET_EVENT_KIND : PAPI_NATIVE_EVENT_KIND;
+
+ RtsFlags.PapiFlags.userEvents[eventNum] = rts_argv[arg] + 3;
RtsFlags.PapiFlags.eventType = PAPI_USER_EVENTS;
- RtsFlags.PapiFlags.userEvents[RtsFlags.PapiFlags.numUserEvents++] = rts_argv[arg] + 3;
+ RtsFlags.PapiFlags.userEventsKind[eventNum] = eventKind;
break;
default:
bad_option( rts_argv[arg] );
case 'K':
RtsFlags.GcFlags.maxStkSize =
- decodeSize(rts_argv[arg], 2, 1, HS_WORD_MAX) / sizeof(W_);
+ decodeSize(rts_argv[arg], 2, sizeof(W_), HS_WORD_MAX) / sizeof(W_);
break;
case 'k':
+ switch(rts_argv[arg][2]) {
+ case 'c':
+ RtsFlags.GcFlags.stkChunkSize =
+ decodeSize(rts_argv[arg], 3, sizeof(W_), HS_WORD_MAX) / sizeof(W_);
+ break;
+ case 'b':
+ RtsFlags.GcFlags.stkChunkBufferSize =
+ decodeSize(rts_argv[arg], 3, sizeof(W_), HS_WORD_MAX) / sizeof(W_);
+ break;
+ case 'i':
+ RtsFlags.GcFlags.initialStkSize =
+ decodeSize(rts_argv[arg], 3, sizeof(W_), HS_WORD_MAX) / sizeof(W_);
+ break;
+ default:
RtsFlags.GcFlags.initialStkSize =
- decodeSize(rts_argv[arg], 2, 1, HS_WORD_MAX) / sizeof(W_);
+ decodeSize(rts_argv[arg], 2, sizeof(W_), HS_WORD_MAX) / sizeof(W_);
break;
+ }
+ break;
- case 'M':
+ case 'M':
RtsFlags.GcFlags.maxHeapSize =
decodeSize(rts_argv[arg], 2, BLOCK_SIZE, HS_WORD_MAX) / BLOCK_SIZE;
/* user give size in *bytes* but "maxHeapSize" is in *blocks* */
RtsFlags.ProfFlags.profileIntervalTicks = 0;
}
+ if (RtsFlags.GcFlags.stkChunkBufferSize >
+ RtsFlags.GcFlags.stkChunkSize / 2) {
+ errorBelch("stack chunk buffer size (-kb) must be less than 50%% of the stack chunk size (-kc)");
+ error = rtsTrue;
+ }
+
if (error) {
const char **p;