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comparison src/share/vm/runtime/arguments.cpp @ 8040:a83cd101fd62

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8005452: NPG: Create new flags for Metaspace resizing policy Reviewed-by: johnc, jwilhelm, coleenp, stefank
author jmasa
date Wed, 23 Jan 2013 19:08:04 -0800
parents 9425ba04792d
children b8d5d7a6c94c
comparison
equal deleted inserted replaced
8039:5e401ef52ec0 8040:a83cd101fd62
1893 MinHeapFreeRatio, MaxHeapFreeRatio); 1893 MinHeapFreeRatio, MaxHeapFreeRatio);
1894 status = false; 1894 status = false;
1895 } 1895 }
1896 // Keeping the heap 100% free is hard ;-) so limit it to 99%. 1896 // Keeping the heap 100% free is hard ;-) so limit it to 99%.
1897 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); 1897 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99);
1898
1899 // Min/MaxMetaspaceFreeRatio
1900 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio");
1901 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio");
1902
1903 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) {
1904 jio_fprintf(defaultStream::error_stream(),
1905 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or "
1906 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n",
1907 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "",
1908 MinMetaspaceFreeRatio,
1909 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "",
1910 MaxMetaspaceFreeRatio);
1911 status = false;
1912 }
1913
1914 // Trying to keep 100% free is not practical
1915 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99);
1898 1916
1899 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { 1917 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) {
1900 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. 1918 MarkSweepAlwaysCompactCount = 1; // Move objects every gc.
1901 } 1919 }
1902 1920