/* -----------------------------------------------------------------------------
- * $Id: RtsFlags.c,v 1.40 2001/07/23 10:42:37 simonmar Exp $
+ * $Id: RtsFlags.c,v 1.53 2001/11/26 16:54:21 simonmar Exp $
*
* (c) The AQUA Project, Glasgow University, 1994-1997
* (c) The GHC Team, 1998-1999
//@node Includes, Constants
//@subsection Includes
+#include "PosixSource.h"
#include "Rts.h"
#include "RtsFlags.h"
#include "RtsUtils.h"
RtsFlags.GcFlags.minAllocAreaSize = (256 * 1024) / BLOCK_SIZE;
RtsFlags.GcFlags.minOldGenSize = (1024 * 1024) / BLOCK_SIZE;
- RtsFlags.GcFlags.maxHeapSize = (64 * 1024 * 1024) / BLOCK_SIZE;
+ RtsFlags.GcFlags.maxHeapSize = 0; /* off by default */
RtsFlags.GcFlags.heapSizeSuggestion = 0; /* none */
RtsFlags.GcFlags.pcFreeHeap = 3; /* 3% */
RtsFlags.GcFlags.oldGenFactor = 2;
RtsFlags.GcFlags.steps = 2;
RtsFlags.GcFlags.squeezeUpdFrames = rtsTrue;
#endif
+ RtsFlags.GcFlags.compact = rtsFalse;
+ RtsFlags.GcFlags.compactThreshold = 30.0;
#ifdef RTS_GTK_FRONTPANEL
RtsFlags.GcFlags.frontpanel = rtsFalse;
#endif
#ifdef PROFILING
RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
- RtsFlags.ProfFlags.profileFrequency = 20;
+ RtsFlags.ProfFlags.profileInterval = 20;
RtsFlags.ProfFlags.showCCSOnException = rtsFalse;
+ RtsFlags.ProfFlags.maxRetainerSetSize = 8;
RtsFlags.ProfFlags.modSelector = NULL;
RtsFlags.ProfFlags.descrSelector = NULL;
RtsFlags.ProfFlags.typeSelector = NULL;
RtsFlags.ProfFlags.ccSelector = NULL;
+ RtsFlags.ProfFlags.retainerSelector = NULL;
+ RtsFlags.ProfFlags.bioSelector = NULL;
+
#elif defined(DEBUG)
RtsFlags.ProfFlags.doHeapProfile = rtsFalse;
#endif
" -k<size> Sets the initial thread stack size (default 1k) Egs: -K4k -K2m",
"",
" -A<size> Sets the minimum allocation area size (default 256k) Egs: -A1m -A10k",
-" -M<size> Sets the maximum heap size (default 64M) Egs: -M256k -M1G",
+" -M<size> Sets the maximum heap size (default unlimited) Egs: -M256k -M1G",
" -H<size> Sets the minimum heap size (default 0M) Egs: -H24m -H1G",
-" -m<n>% Minimum % of heap which must be available (default 3%)",
+" -m<n> Minimum % of heap which must be available (default 3%)",
" -G<n> Number of generations (default: 2)",
" -T<n> Number of steps in younger generations (default: 2)",
+" -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",
"",
" -t<file> One-line GC statistics (default file: <program>.stat)",
" -s<file> Summary GC statistics (with -Sstderr going to stderr)",
#if defined(PROFILING) || defined(PAR)
"",
" -px Time/allocation profile (XML) (output file <program>.prof)",
-" -p<sort> Time/allocation profile (output file <program>.prof)",
-" sort: T = time (default), A = alloc, C = cost centre label",
-" -P<sort> More detailed Time/Allocation profile",
+" -p Time/allocation profile (output file <program>.prof)",
+" -P More detailed Time/Allocation profile",
+" -Pa Give information about *all* cost centres",
# if defined(PROFILING)
"",
-" -hx Heap residency profile (XML) (output file <program>.prof)",
-" -h<break-down> Heap residency profile (text) (output file <program>.prof)",
-" break-down: C = cost centre stack (default), M = module",
-" D = closure description, Y = type description",
+" -hx Heap residency profile (XML) (output file <program>.prof)",
+" -h<break-down> Heap residency profile (hp2ps) (output file <program>.hp)",
+" break-down: c = cost centre stack (default)",
+" m = module",
+" d = closure description",
+" y = type description",
+" r = retainer",
+" b = biography (LAG,DRAG,VOID,USE)",
" A subset of closures may be selected thusly:",
-" -hc{cc, cc ...} specific cost centre(s) (NOT STACKS!)",
+" -hc{cc,cc ...} specific cost centre(s) (NOT STACKS!)",
" -hm{mod,mod...} all cost centres from the specified modules(s)",
" -hd{des,des...} closures with specified closure descriptions",
" -hy{typ,typ...} closures with specified type descriptions",
+" -hr{cc,cc...} closures with specified retainers",
+" -hb{bio,bio...} closures with specified biographies (lag,drag,void,use)",
+"",
+" -R<size> Set the maximum retainer set size (default: 8)",
"",
" -i<msec> Time between heap samples (msec, default: 20)",
"",
" -b... All GranSim options start with -b; see GranSim User's Guide for details",
#endif
"",
+"RTS options may also be specified using the GHCRTS environment variable.",
+"",
"Other RTS options may be available for programs compiled a different way.",
"The GHC User's Guide has full details.",
"",
return(strcmp(a, b) == 0);
}
+static void
+splitRtsFlags(char *s, int *rts_argc, char *rts_argv[])
+{
+ char *c1, *c2;
+
+ c1 = s;
+ do {
+ while (isspace(*c1)) { c1++; };
+ c2 = c1;
+ while (!isspace(*c2) && *c2 != '\0') { c2++; };
+
+ if (c1 == c2) { break; }
+
+ if (*rts_argc < MAX_RTS_ARGS-1) {
+ s = malloc(c2-c1+1);
+ strncpy(s, c1, c2-c1);
+ s[c2-c1] = '\0';
+ rts_argv[(*rts_argc)++] = s;
+ } else {
+ barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
+ }
+
+ c1 = c2;
+ } while (*c1 != '\0');
+}
+
void
setupRtsFlags(int *argc, char *argv[], int *rts_argc, char *rts_argv[])
{
if ((last_slash = (char *) strrchr(argv[0], '/')) != NULL)
strcpy(argv[0], last_slash+1);
- /* Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts */
- /* argv[0] must be PGM argument -- leave in argv */
-
total_arg = *argc;
arg = 1;
*argc = 1;
*rts_argc = 0;
- for (mode = PGM; arg < total_arg && ! strequal("--RTS", argv[arg]); arg++) {
- if (strequal("+RTS", argv[arg])) {
+ // process arguments from the ghc_rts_opts global variable first.
+ // (arguments from the GHCRTS environment variable and the command
+ // line override these).
+ {
+ if (ghc_rts_opts != NULL) {
+ splitRtsFlags(ghc_rts_opts, rts_argc, rts_argv);
+ }
+ }
+
+ // process arguments from the GHCRTS environment variable first
+ // (arguments from the command line override these).
+ {
+ char *ghc_rts = getenv("GHCRTS");
+
+ if (ghc_rts != NULL) {
+ splitRtsFlags(ghc_rts, rts_argc, rts_argv);
+ }
+ }
+
+ // Split arguments (argv) into PGM (argv) and RTS (rts_argv) parts
+ // argv[0] must be PGM argument -- leave in argv
+
+ for (mode = PGM; arg < total_arg; arg++) {
+ // The '--RTS' argument disables all future +RTS ... -RTS processing.
+ if (strequal("--RTS", argv[arg])) {
+ arg++;
+ break;
+ }
+ // The '--' argument is passed through to the program, but
+ // disables all further +RTS ... -RTS processing.
+ else if (strequal("--", argv[arg])) {
+ break;
+ }
+ else if (strequal("+RTS", argv[arg])) {
mode = RTS;
}
else if (strequal("-RTS", argv[arg])) {
barf("too many RTS arguments (max %d)", MAX_RTS_ARGS-1);
}
}
- if (arg < total_arg) {
- /* arg must be --RTS; process remaining program arguments */
- while (++arg < total_arg) {
- argv[(*argc)++] = argv[arg];
- }
+ // process remaining program arguments
+ for (; arg < total_arg; arg++) {
+ argv[(*argc)++] = argv[arg];
}
argv[*argc] = (char *) 0;
rts_argv[*rts_argc] = (char *) 0;
- /* Process RTS (rts_argv) part: mainly to determine statsfile */
-
+ // Process RTS (rts_argv) part: mainly to determine statsfile
for (arg = 0; arg < *rts_argc; arg++) {
if (rts_argv[arg][0] != '-') {
fflush(stdout);
RtsFlags.GcFlags.ringBell = rtsTrue;
break;
+ case 'c':
+ if (rts_argv[arg][2] != '\0') {
+ RtsFlags.GcFlags.compactThreshold =
+ atof(rts_argv[arg]+2);
+ } else {
+ RtsFlags.GcFlags.compact = rtsTrue;
+ }
+ break;
+
case 'F':
RtsFlags.GcFlags.oldGenFactor = atof(rts_argv[arg]+2);
/* =========== PROFILING ========================== */
case 'P': /* detailed cost centre profiling (time/alloc) */
- COST_CENTRE_USING_BUILD_ONLY(
- RtsFlags.CcFlags.doCostCentres = COST_CENTRES_VERBOSE;
- )
case 'p': /* cost centre profiling (time/alloc) */
COST_CENTRE_USING_BUILD_ONLY(
switch (rts_argv[arg][2]) {
case 'x':
RtsFlags.CcFlags.doCostCentres = COST_CENTRES_XML;
break;
- default:
- RtsFlags.CcFlags.doCostCentres = COST_CENTRES_SUMMARY;
+ case 'a':
+ RtsFlags.CcFlags.doCostCentres = COST_CENTRES_ALL;
break;
+ default:
+ if (rts_argv[arg][1] == 'P') {
+ RtsFlags.CcFlags.doCostCentres =
+ COST_CENTRES_VERBOSE;
+ } else {
+ RtsFlags.CcFlags.doCostCentres =
+ COST_CENTRES_SUMMARY;
+ }
+ break;
}
) break;
+ case 'R':
+ PROFILING_BUILD_ONLY(
+ RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2);
+
+ if (RtsFlags.ProfFlags.maxRetainerSetSize < 0)
+ bad_option( rts_argv[arg] );
+ break;
+ ) break;
+
case 'h': /* serial heap profile */
#if !defined(PROFILING) && defined(DEBUG)
switch (rts_argv[arg][2]) {
#else
PROFILING_BUILD_ONLY(
switch (rts_argv[arg][2]) {
- case '\0':
- case CCchar:
- RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
- break;
- case MODchar:
- RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
- break;
- case DESCRchar:
- RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
- break;
- case TYPEchar:
- RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
+ case '\0':
+ case 'C':
+ case 'c':
+ case 'M':
+ case 'm':
+ case 'D':
+ case 'd':
+ case 'Y':
+ case 'y':
+ case 'R':
+ case 'r':
+ case 'B':
+ case 'b':
+ if (rts_argv[arg][2] != '\0' && rts_argv[arg][3] != '\0') {
+ {
+ char *left = strchr(rts_argv[arg], '{');
+ char *right = strrchr(rts_argv[arg], '}');
+ if (! left || ! right ||
+ strrchr(rts_argv[arg], '{') != left ||
+ strchr(rts_argv[arg], '}') != right) {
+ prog_belch(
+ "Invalid heap profiling selection bracketing\n %s\n",
+ rts_argv[arg]);
+ error = rtsTrue;
+ } else {
+ *right = '\0';
+ switch (rts_argv[arg][2]) {
+ case 'C':
+ case 'c': // cost centre label select
+ RtsFlags.ProfFlags.ccSelector = left + 1;
+ break;
+ case 'M':
+ case 'm': // cost centre module select
+ RtsFlags.ProfFlags.modSelector = left + 1;
+ break;
+ case 'D':
+ case 'd': // closure descr select
+ RtsFlags.ProfFlags.descrSelector = left + 1;
+ break;
+ case 'Y':
+ case 'y': // closure type select
+ RtsFlags.ProfFlags.typeSelector = left + 1;
+ break;
+ case 'R':
+ case 'r': // retainer select
+ RtsFlags.ProfFlags.retainerSelector = left + 1;
+ break;
+ case 'B':
+ case 'b': // biography select
+ RtsFlags.ProfFlags.bioSelector = left + 1;
+ break;
+ }
+ }
+ }
+ break;
+ }
+
+ if (RtsFlags.ProfFlags.doHeapProfile != 0) {
+ prog_belch("multiple heap profile options");
+ error = rtsTrue;
+ break;
+ }
+
+ switch (rts_argv[arg][2]) {
+ case '\0':
+ case 'C':
+ case 'c':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_CCS;
+ break;
+ case 'M':
+ case 'm':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_MOD;
+ break;
+ case 'D':
+ case 'd':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_DESCR;
+ break;
+ case 'Y':
+ case 'y':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_TYPE;
+ break;
+ case 'R':
+ case 'r':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_RETAINER;
+ break;
+ case 'B':
+ case 'b':
+ RtsFlags.ProfFlags.doHeapProfile = HEAP_BY_LDV;
+ break;
+ }
break;
- case 'c': /* cost centre label select */
- case 'm': /* cost centre module select */
- case 'd': /* closure descr select */
- case 'y': /* closure type select */
- {char *left = strchr(rts_argv[arg], '{');
- char *right = strrchr(rts_argv[arg], '}');
- if (! left || ! right ||
- strrchr(rts_argv[arg], '{') != left ||
- strchr(rts_argv[arg], '}') != right) {
- prog_belch(
- "Invalid heap profiling selection bracketing\n %s\n",
- rts_argv[arg]);
- error = rtsTrue;
- } else {
- *right = '\0';
- switch (rts_argv[arg][2]) {
- case 'c': /* cost centre label select */
- RtsFlags.ProfFlags.ccSelector = left + 1;
- break;
- case 'm': /* cost centre module select */
- RtsFlags.ProfFlags.modSelector = left + 1;
- break;
- case 'd': /* closure descr select */
- RtsFlags.ProfFlags.descrSelector = left + 1;
- break;
- case 'y': /* closure type select */
- RtsFlags.ProfFlags.typeSelector = left + 1;
- break;
- }
- }
- }
- break;
- default:
+
+ default:
prog_belch("invalid heap profile option: %s",rts_argv[arg]);
error = rtsTrue;
}
)
-
-#endif
+#endif // PROFILING
break;
#if defined(PROFILING)
if (cst != 0 && cst < CS_MIN_MILLISECS)
cst = CS_MIN_MILLISECS;
- RtsFlags.ProfFlags.profileFrequency = cst;
+ RtsFlags.ProfFlags.profileInterval = cst;
}
-
break;
-
#endif
/* =========== CONCURRENT ========================= */
case 9: RtsFlags.DebugFlags.prof = rtsTrue; break;
case 10: RtsFlags.DebugFlags.gran = rtsTrue; break;
case 11: RtsFlags.DebugFlags.par = rtsTrue; break;
+ case 12: RtsFlags.DebugFlags.linker = rtsTrue; break;
default: barf("set_debug_options: only %d debug options expected",
MAX_DEBUG_OPTION);
} /* switch */
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