#endif
RtsFlags.GcFlags.compact = rtsFalse;
RtsFlags.GcFlags.compactThreshold = 30.0;
+ RtsFlags.GcFlags.sweep = rtsFalse;
#ifdef RTS_GTK_FRONTPANEL
RtsFlags.GcFlags.frontpanel = rtsFalse;
#endif
RtsFlags.ParFlags.nNodes = 1;
RtsFlags.ParFlags.migrate = rtsTrue;
RtsFlags.ParFlags.wakeupMigrate = rtsFalse;
+ RtsFlags.ParFlags.gcThreads = 1;
#endif
#ifdef PAR
RtsFlags.TraceFlags.timestamp = rtsFalse;
RtsFlags.TraceFlags.sched = rtsFalse;
+ RtsFlags.TraceFlags.gc = rtsFalse;
#ifdef USE_PAPI
/* By default no special measurements taken */
RtsFlags.PapiFlags.eventType = 0;
+ RtsFlags.PapiFlags.numUserEvents = 0;
#endif
}
"The following run time system options are available:",
"",
" -? Prints this message and exits; the program is not executed",
+" --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",
" -c<n> Auto-enable compaction of the oldest generation when live data is",
" at least <n>% of the maximum heap size set with -M (default: 30%)",
" -c Enable compaction for all major collections",
+" -w Use mark-region for the oldest generation (experimental)",
#if defined(THREADED_RTS)
" -I<sec> Perform full GC after <sec> idle time (default: 0.3, 0 == off)",
#endif
"",
-" -t<file> One-line GC statistics (default file: <program>.stat)",
-" -s<file> Summary GC statistics (with -Sstderr going to stderr)",
-" -S<file> Detailed GC statistics",
+" -t[<file>] One-line GC statistics (if <file> omitted, uses stderr)",
+" -s[<file>] Summary GC statistics (if <file> omitted, uses stderr)",
+" -S[<file>] Detailed GC statistics (if <file> omitted, uses stderr)",
#ifdef RTS_GTK_FRONTPANEL
" -f Display front panel (requires X11 & GTK+)",
#endif
"",
#endif /* DEBUG */
#if defined(THREADED_RTS) && !defined(NOSMP)
-" -N<n> Use <n> OS threads (default: 1)",
+" -N<n> Use <n> OS threads (default: 1) (also sets -g)",
+" -g<n> Use <n> OS threads for GC (default: 1)",
" -qm Don't automatically migrate threads between CPUs",
" -qw Migrate a thread to the current CPU when it is woken up",
#endif
}
else if (strequal("info",
&rts_argv[arg][2])) {
- printf("RTS info:\n");
- printf("RTS from GHC " ProjectVersion "\n");
- printf("RTS way " RtsWay "\n");
- printf("Host platform " HostPlatform "\n");
- printf("Build platform " BuildPlatform "\n");
- printf("Target platform " TargetPlatform "\n");
+ printRtsInfo();
exit(0);
}
else {
case 'e':
RtsFlags.PapiFlags.eventType = PAPI_FLAG_CB_EVENTS;
break;
+ case '+':
+ if (RtsFlags.PapiFlags.numUserEvents >= MAX_PAPI_USER_EVENTS) {
+ errorBelch("maximum number of PAPI events reached");
+ stg_exit(EXIT_FAILURE);
+ }
+ RtsFlags.PapiFlags.eventType = PAPI_USER_EVENTS;
+ RtsFlags.PapiFlags.userEvents[RtsFlags.PapiFlags.numUserEvents++] = rts_argv[arg] + 3;
+ break;
default:
bad_option( rts_argv[arg] );
}
}
break;
+ case 'w':
+ RtsFlags.GcFlags.sweep = rtsTrue;
+ break;
+
case 'F':
RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
case 'H':
RtsFlags.GcFlags.heapSizeSuggestion =
decode(rts_argv[arg]+2) / BLOCK_SIZE;
-
- if (RtsFlags.GcFlags.heapSizeSuggestion <= 0) {
- bad_option(rts_argv[arg]);
- }
break;
#ifdef RTS_GTK_FRONTPANEL
{
int r;
r = open_stats_file(arg, *argc, argv,
- *rts_argc, rts_argv, STAT_FILENAME_FMT,
+ *rts_argc, rts_argv, NULL,
&RtsFlags.GcFlags.statsFile);
if (r == -1) { error = rtsTrue; }
}
if (rts_argv[arg][2] != '\0') {
RtsFlags.ParFlags.nNodes
= strtol(rts_argv[arg]+2, (char **) NULL, 10);
+ // set -g at the same time as -N by default
+ RtsFlags.ParFlags.gcThreads = RtsFlags.ParFlags.nNodes;
if (RtsFlags.ParFlags.nNodes <= 0) {
errorBelch("bad value for -N");
error = rtsTrue;
}
+#if defined(PROFILING)
+ if (RtsFlags.ParFlags.nNodes > 1) {
+ errorBelch("bad option %s: only -N1 is supported with profiling", rts_argv[arg]);
+ error = rtsTrue;
+ }
+#endif
+ }
+ ) break;
+
+ case 'g':
+ THREADED_BUILD_ONLY(
+ if (rts_argv[arg][2] != '\0') {
+ RtsFlags.ParFlags.gcThreads
+ = strtol(rts_argv[arg]+2, (char **) NULL, 10);
+ if (RtsFlags.ParFlags.nNodes <= 0) {
+ errorBelch("bad value for -g");
+ error = rtsTrue;
+ }
}
) break;
case 's':
RtsFlags.TraceFlags.sched = rtsTrue;
break;
+ case 'g':
+ RtsFlags.TraceFlags.gc = rtsTrue;
+ break;
default:
errorBelch("unknown RTS option: %s",rts_argv[arg]);
error = rtsTrue;
{
FILE *f = NULL;
- if (strequal(rts_argv[arg]+2, "stderr")) { /* use debugBelch */
+ if (strequal(rts_argv[arg]+2, "stderr")
+ || (FILENAME_FMT == NULL && rts_argv[arg][2] == '\0')) {
f = NULL; /* NULL means use debugBelch */
} else {
- if (rts_argv[arg][2] != '\0') { /* stats file specified */
- f = fopen(rts_argv[arg]+2,"w");
- } else {
- char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
- sprintf(stats_filename, FILENAME_FMT, argv[0]);
- f = fopen(stats_filename,"w");
- }
+ if (rts_argv[arg][2] != '\0') { /* stats file specified */
+ f = fopen(rts_argv[arg]+2,"w");
+ } else {
+ char stats_filename[STATS_FILENAME_MAXLEN]; /* default <program>.<ext> */
+ sprintf(stats_filename, FILENAME_FMT, argv[0]);
+ f = fopen(stats_filename,"w");
+ }
if (f == NULL) {
errorBelch("Can't open stats file %s\n", rts_argv[arg]+2);
return -1;
projects / ghc-hetmet.git / blobdiff