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comparison src/share/vm/runtime/arguments.cpp @ 7177:53715fb1597d

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7198334: UseNUMA modifies system parameters on non-NUMA system Summary: The flags MinHeapDeltaBytes and UseNUMAInterleaving must be adjusted after the OS have adjusted the UseNUMA flag in the method os::init_2. Reviewed-by: dholmes, brutisso Contributed-by: erik.helin@oracle.com
author brutisso
date Tue, 20 Nov 2012 11:40:11 +0100
parents e4f764ddb06a
children 291ffc492eb6 442f942757c0 7d42f3b08300
comparison
equal deleted inserted replaced
7165:e1d42ba865de 7177:53715fb1597d
1482 // interpretation and are not ergonomically set. 1482 // interpretation and are not ergonomically set.
1483 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { 1483 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) {
1484 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); 1484 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1);
1485 } 1485 }
1486 } 1486 }
1487 }
1488 if (UseNUMA) {
1489 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) {
1490 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
1491 }
1492 // For those collectors or operating systems (eg, Windows) that do
1493 // not support full UseNUMA, we will map to UseNUMAInterleaving for now
1494 UseNUMAInterleaving = true;
1495 } 1487 }
1496 } 1488 }
1497 1489
1498 void Arguments::set_g1_gc_flags() { 1490 void Arguments::set_g1_gc_flags() {
1499 assert(UseG1GC, "Error"); 1491 assert(UseG1GC, "Error");
3330 } 3322 }
3331 3323
3332 return JNI_OK; 3324 return JNI_OK;
3333 } 3325 }
3334 3326
3327 jint Arguments::adjust_after_os() {
3328 #if INCLUDE_ALTERNATE_GCS
3329 if (UseParallelGC || UseParallelOldGC) {
3330 if (UseNUMA) {
3331 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) {
3332 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
3333 }
3334 // For those collectors or operating systems (eg, Windows) that do
3335 // not support full UseNUMA, we will map to UseNUMAInterleaving for now
3336 UseNUMAInterleaving = true;
3337 }
3338 }
3339 #endif
3340 return JNI_OK;
3341 }
3342
3335 int Arguments::PropertyList_count(SystemProperty* pl) { 3343 int Arguments::PropertyList_count(SystemProperty* pl) {
3336 int count = 0; 3344 int count = 0;
3337 while(pl != NULL) { 3345 while(pl != NULL) {
3338 count++; 3346 count++;
3339 pl = pl->next(); 3347 pl = pl->next();