mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-27 14:54:52 +02:00
Merge
This commit is contained in:
Jon Masamitsu
commit
1335d16d6e
26 changed files with 1099 additions and 345 deletions
|
|
@ -1355,10 +1355,46 @@ class CommandLineFlags {
|
|||
product(uintx, ParGCDesiredObjsFromOverflowList, 20, \
|
||||
"The desired number of objects to claim from the overflow list") \
|
||||
\
|
||||
product(uintx, CMSParPromoteBlocksToClaim, 50, \
|
||||
product(uintx, CMSParPromoteBlocksToClaim, 16, \
|
||||
"Number of blocks to attempt to claim when refilling CMS LAB for "\
|
||||
"parallel GC.") \
|
||||
\
|
||||
product(uintx, OldPLABWeight, 50, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponentially decaying average for resizing CMSParPromoteBlocksToClaim.") \
|
||||
\
|
||||
product(bool, ResizeOldPLAB, true, \
|
||||
"Dynamically resize (old gen) promotion labs") \
|
||||
\
|
||||
product(bool, PrintOldPLAB, false, \
|
||||
"Print (old gen) promotion labs sizing decisions") \
|
||||
\
|
||||
product(uintx, CMSOldPLABMin, 16, \
|
||||
"Min size of CMS gen promotion lab caches per worker per blksize")\
|
||||
\
|
||||
product(uintx, CMSOldPLABMax, 1024, \
|
||||
"Max size of CMS gen promotion lab caches per worker per blksize")\
|
||||
\
|
||||
product(uintx, CMSOldPLABNumRefills, 4, \
|
||||
"Nominal number of refills of CMS gen promotion lab cache" \
|
||||
" per worker per block size") \
|
||||
\
|
||||
product(bool, CMSOldPLABResizeQuicker, false, \
|
||||
"Whether to react on-the-fly during a scavenge to a sudden" \
|
||||
" change in block demand rate") \
|
||||
\
|
||||
product(uintx, CMSOldPLABToleranceFactor, 4, \
|
||||
"The tolerance of the phase-change detector for on-the-fly" \
|
||||
" PLAB resizing during a scavenge") \
|
||||
\
|
||||
product(uintx, CMSOldPLABReactivityFactor, 2, \
|
||||
"The gain in the feedback loop for on-the-fly PLAB resizing" \
|
||||
" during a scavenge") \
|
||||
\
|
||||
product(uintx, CMSOldPLABReactivityCeiling, 10, \
|
||||
"The clamping of the gain in the feedback loop for on-the-fly" \
|
||||
" PLAB resizing during a scavenge") \
|
||||
\
|
||||
product(bool, AlwaysPreTouch, false, \
|
||||
"It forces all freshly committed pages to be pre-touched.") \
|
||||
\
|
||||
|
|
@ -1400,27 +1436,54 @@ class CommandLineFlags {
|
|||
"Percentage (0-100) by which the CMS incremental mode duty cycle" \
|
||||
" is shifted to the right within the period between young GCs") \
|
||||
\
|
||||
product(uintx, CMSExpAvgFactor, 25, \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponential averages for CMS statistics") \
|
||||
product(uintx, CMSExpAvgFactor, 50, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponential averages for CMS statistics.") \
|
||||
\
|
||||
product(uintx, CMS_FLSWeight, 50, \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponentially decating averages for CMS FLS statistics") \
|
||||
product(uintx, CMS_FLSWeight, 75, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponentially decating averages for CMS FLS statistics.") \
|
||||
\
|
||||
product(uintx, CMS_FLSPadding, 2, \
|
||||
"The multiple of deviation from mean to use for buffering " \
|
||||
product(uintx, CMS_FLSPadding, 1, \
|
||||
"The multiple of deviation from mean to use for buffering" \
|
||||
"against volatility in free list demand.") \
|
||||
\
|
||||
product(uintx, FLSCoalescePolicy, 2, \
|
||||
"CMS: Aggression level for coalescing, increasing from 0 to 4") \
|
||||
\
|
||||
product(uintx, CMS_SweepWeight, 50, \
|
||||
product(bool, FLSAlwaysCoalesceLarge, false, \
|
||||
"CMS: Larger free blocks are always available for coalescing") \
|
||||
\
|
||||
product(double, FLSLargestBlockCoalesceProximity, 0.99, \
|
||||
"CMS: the smaller the percentage the greater the coalition force")\
|
||||
\
|
||||
product(double, CMSSmallCoalSurplusPercent, 1.05, \
|
||||
"CMS: the factor by which to inflate estimated demand of small" \
|
||||
" block sizes to prevent coalescing with an adjoining block") \
|
||||
\
|
||||
product(double, CMSLargeCoalSurplusPercent, 0.95, \
|
||||
"CMS: the factor by which to inflate estimated demand of large" \
|
||||
" block sizes to prevent coalescing with an adjoining block") \
|
||||
\
|
||||
product(double, CMSSmallSplitSurplusPercent, 1.10, \
|
||||
"CMS: the factor by which to inflate estimated demand of small" \
|
||||
" block sizes to prevent splitting to supply demand for smaller" \
|
||||
" blocks") \
|
||||
\
|
||||
product(double, CMSLargeSplitSurplusPercent, 1.00, \
|
||||
"CMS: the factor by which to inflate estimated demand of large" \
|
||||
" block sizes to prevent splitting to supply demand for smaller" \
|
||||
" blocks") \
|
||||
\
|
||||
product(bool, CMSExtrapolateSweep, false, \
|
||||
"CMS: cushion for block demand during sweep") \
|
||||
\
|
||||
product(uintx, CMS_SweepWeight, 75, \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponentially decaying average for inter-sweep " \
|
||||
"duration") \
|
||||
\
|
||||
product(uintx, CMS_SweepPadding, 2, \
|
||||
product(uintx, CMS_SweepPadding, 1, \
|
||||
"The multiple of deviation from mean to use for buffering " \
|
||||
"against volatility in inter-sweep duration.") \
|
||||
\
|
||||
|
|
@ -1459,6 +1522,13 @@ class CommandLineFlags {
|
|||
product(uintx, CMSIndexedFreeListReplenish, 4, \
|
||||
"Replenish and indexed free list with this number of chunks") \
|
||||
\
|
||||
product(bool, CMSReplenishIntermediate, true, \
|
||||
"Replenish all intermediate free-list caches") \
|
||||
\
|
||||
product(bool, CMSSplitIndexedFreeListBlocks, true, \
|
||||
"When satisfying batched demand, splot blocks from the " \
|
||||
"IndexedFreeList whose size is a multiple of requested size") \
|
||||
\
|
||||
product(bool, CMSLoopWarn, false, \
|
||||
"Warn in case of excessive CMS looping") \
|
||||
\
|
||||
|
|
@ -1593,6 +1663,18 @@ class CommandLineFlags {
|
|||
"Bitmap operations should process at most this many bits" \
|
||||
"between yields") \
|
||||
\
|
||||
product(bool, CMSDumpAtPromotionFailure, false, \
|
||||
"Dump useful information about the state of the CMS old " \
|
||||
" generation upon a promotion failure.") \
|
||||
\
|
||||
product(bool, CMSPrintChunksInDump, false, \
|
||||
"In a dump enabled by CMSDumpAtPromotionFailure, include " \
|
||||
" more detailed information about the free chunks.") \
|
||||
\
|
||||
product(bool, CMSPrintObjectsInDump, false, \
|
||||
"In a dump enabled by CMSDumpAtPromotionFailure, include " \
|
||||
" more detailed information about the allocated objects.") \
|
||||
\
|
||||
diagnostic(bool, FLSVerifyAllHeapReferences, false, \
|
||||
"Verify that all refs across the FLS boundary " \
|
||||
" are to valid objects") \
|
||||
|
|
@ -1677,6 +1759,10 @@ class CommandLineFlags {
|
|||
"The youngest generation collection does not require " \
|
||||
"a guarantee of full promotion of all live objects.") \
|
||||
\
|
||||
product(bool, PrintPromotionFailure, false, \
|
||||
"Print additional diagnostic information following " \
|
||||
" promotion failure") \
|
||||
\
|
||||
notproduct(bool, PromotionFailureALot, false, \
|
||||
"Use promotion failure handling on every youngest generation " \
|
||||
"collection") \
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue