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comparison src/share/vm/runtime/arguments.cpp @ 8041:b8d5d7a6c94c

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Merge
author brutisso
date Thu, 14 Feb 2013 11:01:05 +0100
parents 3c9bc17b9403 a83cd101fd62
children 1cdf241a4b26
comparison
equal deleted inserted replaced
8033:deb43b8a436e 8041:b8d5d7a6c94c
1255 // If we decided above (or user explicitly requested) 1255 // If we decided above (or user explicitly requested)
1256 // `promote all' (via MaxTenuringThreshold := 0), 1256 // `promote all' (via MaxTenuringThreshold := 0),
1257 // prefer minuscule survivor spaces so as not to waste 1257 // prefer minuscule survivor spaces so as not to waste
1258 // space for (non-existent) survivors 1258 // space for (non-existent) survivors
1259 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { 1259 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) {
1260 FLAG_SET_ERGO(intx, SurvivorRatio, MAX2((intx)1024, SurvivorRatio)); 1260 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio));
1261 } 1261 }
1262 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, 1262 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not,
1263 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. 1263 // set CMSParPromoteBlocksToClaim equal to OldPLABSize.
1264 // This is done in order to make ParNew+CMS configuration to work 1264 // This is done in order to make ParNew+CMS configuration to work
1265 // with YoungPLABSize and OldPLABSize options. 1265 // with YoungPLABSize and OldPLABSize options.
1895 status = false; 1895 status = false;
1896 } 1896 }
1897 // Keeping the heap 100% free is hard ;-) so limit it to 99%. 1897 // Keeping the heap 100% free is hard ;-) so limit it to 99%.
1898 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); 1898 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99);
1899 1899
1900 // Min/MaxMetaspaceFreeRatio
1901 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio");
1902 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio");
1903
1904 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) {
1905 jio_fprintf(defaultStream::error_stream(),
1906 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or "
1907 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n",
1908 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "",
1909 MinMetaspaceFreeRatio,
1910 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "",
1911 MaxMetaspaceFreeRatio);
1912 status = false;
1913 }
1914
1915 // Trying to keep 100% free is not practical
1916 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99);
1917
1900 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { 1918 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) {
1901 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. 1919 MarkSweepAlwaysCompactCount = 1; // Move objects every gc.
1902 } 1920 }
1903 1921
1904 if (UseParallelOldGC && ParallelOldGCSplitALot) { 1922 if (UseParallelOldGC && ParallelOldGCSplitALot) {
1905 // Settings to encourage splitting. 1923 // Settings to encourage splitting.
1906 if (!FLAG_IS_CMDLINE(NewRatio)) { 1924 if (!FLAG_IS_CMDLINE(NewRatio)) {
1907 FLAG_SET_CMDLINE(intx, NewRatio, 2); 1925 FLAG_SET_CMDLINE(uintx, NewRatio, 2);
1908 } 1926 }
1909 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { 1927 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) {
1910 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); 1928 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false);
1911 } 1929 }
1912 } 1930 }