LCOV - differential code coverage report
Current view: top level - src/backend/storage/buffer - bufmgr.c (source / functions) Coverage Total Hit UNC LBC UIC UBC GBC GNC CBC ECB DUB DCB
Current: 0e5ff9b9b45a657aea12440478dc002e9b01f138 vs 0123ce131fca454009439dfa3b2266d1d40737d7 Lines: 91.6 % 2365 2167 61 137 8 578 1581 1 28 295
Current Date: 2026-03-14 14:10:32 -0400 Functions: 96.5 % 144 139 2 3 89 50 1 8
Baseline: lcov-20260315-024220-baseline Branches: 71.4 % 1785 1275 129 1 16 364 7 306 962 49 121
Baseline Date: 2026-03-14 15:27:56 +0100 Line coverage date bins:
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed 		(1,7] days: 95.1 % 102 97 5 1 95 1
(30,360] days: 92.2 % 990 913 55 22 482 431 1
(360..) days: 90.9 % 1273 1157 1 115 7 1 1149
Function coverage date bins:
(1,7] days: 100.0 % 6 6 6
(30,360] days: 96.2 % 52 50 2 36 14
(360..) days: 96.5 % 86 83 3 47 36
Branch coverage date bins:
(1,7] days: 74.5 % 94 70 24 70
(30,360] days: 71.9 % 693 498 105 90 1 236 261
(360..) days: 70.8 % 998 707 1 16 274 6 701

Function Name Sort by function name TLA Hit count Sort by function hit count Lines Sort by unexercised lines in function Branches Sort by unexercised branches in function
ExtendBufferedRelShared GNC 208626 85.4 % (70 / 82) 56.5 % (52 / 92)
ExtendBufferedRelTo GNC 52783 100.0 % (36 / 36) 70.0 % (42 / 60)
IssuePendingWritebacks CBC 1106 10.7 % (3 / 28) 5.6 % (1 / 18)
buffer_stage_common GNC 1336659 88.9 % (32 / 36) 57.5 % (23 / 40)
EvictRelUnpinnedBuffers GNC 1 52.0 % (13 / 25) 38.9 % (7 / 18)
LockBufferInternal GNC 90047005 78.6 % (11 / 14) 50.0 % (11 / 22)
MarkDirtyRelUnpinnedBuffers GNC 1 52.0 % (13 / 25) 38.9 % (7 / 18)
buffer_readv_report CBC 408 97.2 % (35 / 36) 71.1 % (27 / 38)
AsyncReadBuffers CBC 1339813 97.0 % (64 / 66) 75.0 % (30 / 40)
InvalidateVictimBuffer GNC 1274541 100.0 % (26 / 26) 58.3 % (14 / 24)
buffertag_comparator UBC 0 0.0 % (0 / 15) 0.0 % (0 / 10)
AbortBufferIO GNC 15 69.2 % (9 / 13) 25.0 % (3 / 12)
CheckForBufferLeaks GNC 359344 38.9 % (7 / 18) 35.7 % (5 / 14)
LockBufferForCleanup GNC 24887 94.2 % (49 / 52) 77.5 % (31 / 40)
IsBufferCleanupOK GNC 2030 64.7 % (11 / 17) 42.9 % (6 / 14)
MarkBufferDirty GNC 23086694 95.2 % (20 / 21) 66.7 % (16 / 24)
StartReadBuffersImpl GNC 65223309 95.9 % (47 / 49) 77.8 % (28 / 36)
RelationCopyStorageUsingBuffer CBC 77217 100.0 % (32 / 32) 65.0 % (13 / 20)
SharedBufferBeginSetHintBits GNC 7112469 90.9 % (20 / 22) 61.1 % (11 / 18)
BufferLockQueueSelf GNC 24422 83.3 % (10 / 12) 25.0 % (2 / 8)
CheckBufferIsPinnedOnce CBC 4164147 71.4 % (5 / 7) 40.0 % (4 / 10)
ExtendBufferedRelBy GNC 166244 100.0 % (7 / 7) 40.0 % (4 / 10)
GetVictimBuffer GNC 2027529 94.1 % (32 / 34) 80.0 % (24 / 30)
PrefetchBuffer CBC 22347 87.5 % (7 / 8) 50.0 % (6 / 12)
ProcessReadBuffersResult CBC 1336250 100.0 % (18 / 18) 72.7 % (16 / 22)
RelationGetNumberOfBlocksInFork CBC 2410428 85.7 % (6 / 7) 62.5 % (10 / 16)
ReleaseAndReadBuffer CBC 30084750 100.0 % (18 / 18) 72.7 % (16 / 22)
buffer_readv_encode_error CBC 288 100.0 % (31 / 31) 75.0 % (18 / 24)
BufferIsDirty GNC 16930486 75.0 % (6 / 8) 58.3 % (7 / 12)
BufferLockAcquire GNC 85197538 89.5 % (34 / 38) 66.7 % (10 / 15)
BufferSync GNC 1802 97.4 % (75 / 77) 85.3 % (29 / 34)
CheckReadBuffersOperation GNC 67896801 100.0 % (13 / 13) 72.2 % (13 / 18)
FlushOneBuffer GNC 104 100.0 % (7 / 7) 50.0 % (5 / 10)
FlushRelationsAllBuffers GNC 5 87.9 % (29 / 33) 77.3 % (17 / 22)
InvalidateBuffer GNC 107178 96.2 % (25 / 26) 58.3 % (7 / 12)
MarkSharedBufferDirtyHint GNC 7458231 100.0 % (25 / 25) 82.1 % (23 / 28)
UnlockBuffers GNC 53037 36.4 % (4 / 11) 16.7 % (1 / 6)
WaitReadBuffers CBC 1336236 96.2 % (25 / 26) 75.0 % (15 / 20)
buffer_readv_complete CBC 1202622 100.0 % (41 / 41) 88.6 % (39 / 44)
BufferGetTag CBC 17008296 88.9 % (8 / 9) 50.0 % (4 / 8)
BufferIsLockedByMe GNC 104 83.3 % (5 / 6) 50.0 % (4 / 8)
BufferIsPermanent GNC 10397459 100.0 % (7 / 7) 60.0 % (6 / 10)
BufferLockWakeup GNC 22367 97.6 % (40 / 41) 89.5 % (34 / 38)
ConditionalLockBufferForCleanup GNC 115453 100.0 % (24 / 24) 77.8 % (14 / 18)
CreateAndCopyRelationData CBC 58046 100.0 % (14 / 14) 60.0 % (6 / 10)
ForgetPrivateRefCountEntry GNC 62139575 100.0 % (11 / 11) 60.0 % (6 / 10)
GetPrivateRefCountEntrySlow GNC 84174187 100.0 % (30 / 30) 80.0 % (16 / 20)
MarkDirtyUnpinnedBuffer GNC 1 100.0 % (10 / 10) 33.3 % (2 / 6)
ReadRecentBuffer GNC 4538 95.2 % (20 / 21) 71.4 % (10 / 14)
ResOwnerReleaseBuffer GNC 7888 92.9 % (13 / 14) 60.0 % (6 / 10)
ReservePrivateRefCountEntry GNC 68752286 100.0 % (23 / 23) 75.0 % (12 / 16)
ScheduleBufferTagForWriteback CBC 595144 70.0 % (7 / 10) 60.0 % (6 / 10)
UnpinBufferNoOwner GNC 76104946 100.0 % (14 / 14) 66.7 % (8 / 12)
buffer_readv_complete_one GNC 1343004 100.0 % (42 / 42) 87.5 % (28 / 32)
rlocator_comparator CBC 9956982 75.0 % (12 / 16) 66.7 % (8 / 12)
BgBufferSync CBC 13592 100.0 % (65 / 65) 92.9 % (39 / 42)
BufferAlloc GNC 64190842 100.0 % (42 / 42) 81.2 % (13 / 16)
BufferGetLSNAtomic GNC 6530211 100.0 % (4 / 4) 62.5 % (5 / 8)
BufferLockDisownInternal GNC 86473517 85.7 % (6 / 7) 25.0 % (1 / 4)
DropRelationsAllBuffers GNC 14456 96.7 % (58 / 60) 93.5 % (43 / 46)
EvictUnpinnedBufferInternal GNC 2236 76.5 % (13 / 17) 62.5 % (5 / 8)
FindAndDropRelationBuffers GNC 840 94.4 % (17 / 18) 70.0 % (7 / 10)
IncrBufferRefCount GNC 11700427 100.0 % (10 / 10) 70.0 % (7 / 10)
PinBuffer GNC 62398458 100.0 % (27 / 27) 87.5 % (21 / 24)
PinBufferForBlock CBC 65729788 100.0 % (24 / 24) 91.7 % (33 / 36)
ReadBufferExtended CBC 55974777 80.0 % (4 / 5) 50.0 % (3 / 6)
ReleaseBuffer CBC 64444827 85.7 % (6 / 7) 50.0 % (3 / 6)
BufferGetBlockNumber CBC 150669587 100.0 % (6 / 6) 75.0 % (6 / 8)
BufferIsLockedByMeInMode GNC 72765987 100.0 % (6 / 6) 75.0 % (6 / 8)
BufferLockConditional GNC 1276886 90.0 % (9 / 10) 66.7 % (4 / 6)
BufferLockDequeueSelf GNC 676 90.0 % (18 / 20) 83.3 % (10 / 12)
BufferLockDisown UNC 0 0.0 % (0 / 4) 0.0 % (0 / 2)
BufferSetHintBits16 GNC 7074618 100.0 % (13 / 13) 75.0 % (6 / 8)
ConditionalLockBuffer GNC 1062053 100.0 % (6 / 6) 75.0 % (6 / 8)
DropRelationBuffers GNC 626 100.0 % (32 / 32) 92.9 % (26 / 28)
EvictAllUnpinnedBuffers GNC 1 94.7 % (18 / 19) 80.0 % (8 / 10)
EvictUnpinnedBuffer CBC 209 100.0 % (7 / 7) 50.0 % (2 / 4)
FlushRelationBuffers GNC 138 100.0 % (31 / 31) 87.5 % (14 / 16)
GetPrivateRefCount GNC 506102302 100.0 % (7 / 7) 66.7 % (4 / 6)
MarkDirtyAllUnpinnedBuffers GNC 1 94.7 % (18 / 19) 80.0 % (8 / 10)
MarkDirtyUnpinnedBufferInternal GNC 36 90.0 % (18 / 20) 75.0 % (6 / 8)
PrefetchSharedBuffer CBC 32912 100.0 % (15 / 15) 75.0 % (6 / 8)
ReadBuffer_common CBC 61773371 95.8 % (23 / 24) 88.9 % (16 / 18)
UnlockBuffer GNC 91400711 100.0 % (6 / 6) 75.0 % (6 / 8)
local_buffer_write_error_callback UBC 0 0.0 % (0 / 6) 0.0 % (0 / 2)
AssertBufferLocksPermitCatalogRead GNC 116884225 91.7 % (11 / 12) 90.0 % (9 / 10)
AtEOXact_Buffers CBC 337792 100.0 % (5 / 5) 50.0 % (1 / 2)
BufferFinishSetHintBits GNC 283445 100.0 % (6 / 6) 87.5 % (7 / 8)
BufferLockHeldByMe GNC 62139679 80.0 % (4 / 5) 50.0 % (1 / 2)
BufferLockHeldByMeInMode GNC 86155415 80.0 % (4 / 5) 50.0 % (1 / 2)
BufferLockProcessRelease GNC 86473517 100.0 % (15 / 15) 91.7 % (11 / 12)
BufferLockReleaseSub GNC 86473517 100.0 % (7 / 7) 83.3 % (5 / 6)
BufferLockUnlock GNC 86473517 100.0 % (7 / 7) 50.0 % (1 / 2)
DebugPrintBufferRefcount GNC 60 100.0 % (13 / 13) 75.0 % (3 / 4)
DropDatabaseBuffers GNC 76 90.0 % (9 / 10) 83.3 % (5 / 6)
FlushBuffer GNC 598964 100.0 % (22 / 22) 90.0 % (9 / 10)
FlushDatabaseBuffers GNC 5 100.0 % (15 / 15) 87.5 % (7 / 8)
HoldingBufferPinThatDelaysRecovery CBC 4 85.7 % (6 / 7) 75.0 % (3 / 4)
InitBufferManagerAccess GNC 21552 100.0 % (8 / 8) 50.0 % (1 / 2)
LockBufHdr GNC 25193813 100.0 % (11 / 11) 83.3 % (5 / 6)
NewPrivateRefCountEntry GNC 62139575 100.0 % (10 / 10) 50.0 % (1 / 2)
PinBuffer_Locked GNC 327577 100.0 % (6 / 6) 50.0 % (1 / 2)
ReadBufferWithoutRelcache CBC 5798588 100.0 % (3 / 3) 50.0 % (1 / 2)
ReadBuffersCanStartIO CBC 1513895 83.3 % (5 / 6) 83.3 % (5 / 6)
StartReadBuffer CBC 63382467 100.0 % (5 / 5) 50.0 % (1 / 2)
WakePinCountWaiter GNC 94 100.0 % (10 / 10) 75.0 % (3 / 4)
WritebackContextInit CBC 2832 100.0 % (5 / 5) 50.0 % (1 / 2)
ZeroAndLockBuffer GNC 332406 100.0 % (22 / 22) 94.4 % (17 / 18)
shared_buffer_write_error_callback CBC 37 100.0 % (6 / 6) 50.0 % (1 / 2)
BufferBeginSetHintBits GNC 283459 100.0 % (5 / 5) 100.0 % (2 / 2)
BufferLockAttempt GNC 86522592 100.0 % (19 / 19) 100.0 % (14 / 14)
ExtendBufferedRelCommon GNC 221181 100.0 % (6 / 6) 100.0 % (2 / 2)
GetAdditionalPinLimit CBC 3670081 100.0 % (5 / 5) 100.0 % (2 / 2)
LimitAdditionalPins CBC 208626 100.0 % (7 / 7) 100.0 % (4 / 4)
ReadBuffersCanStartIOOnce CBC 1513895 100.0 % (4 / 4) 100.0 % (2 / 2)
StartBufferIO GNC 2629289 100.0 % (15 / 15) 100.0 % (8 / 8)
SyncOneBuffer GNC 2195467 100.0 % (21 / 21) 100.0 % (10 / 10)
WaitBufHdrUnlocked GNC 281 100.0 % (8 / 8) 100.0 % (2 / 2)
WaitIO GNC 2719 100.0 % (16 / 16) 100.0 % (4 / 4)
ckpt_buforder_comparator CBC 3244384 100.0 % (18 / 18) 100.0 % (16 / 16)
shared_buffer_readv_complete_local CBC 1334830 100.0 % (8 / 8) 100.0 % (4 / 4)
ts_ckpt_progress_comparator GNC 263913 100.0 % (8 / 8) 100.0 % (4 / 4)
AtProcExit_Buffers CBC 21552 100.0 % (5 / 5)
CheckPointBuffers CBC 1802 100.0 % (3 / 3)
ExtendBufferedRel CBC 47464 100.0 % (4 / 4)
FlushUnlockedBuffer GNC 326299 100.0 % (6 / 6)
GetPinLimit CBC 855297 100.0 % (2 / 2)
ReadBuffer CBC 46494040 100.0 % (2 / 2)
ResOwnerPrintBuffer UNC 0 0.0 % (0 / 2)
ResOwnerPrintBufferIO UBC 0 0.0 % (0 / 3)
ResOwnerReleaseBufferIO CBC 15 100.0 % (4 / 4)
StartReadBuffers CBC 1840842 100.0 % (2 / 2)
TrackNewBufferPin GNC 62139575 100.0 % (5 / 5)
UnlockReleaseBuffer CBC 18956392 100.0 % (4 / 4)
UnpinBuffer CBC 76100078 100.0 % (5 / 5)
buffer_readv_decode_error CBC 811 100.0 % (13 / 13)
local_buffer_readv_complete CBC 1829 100.0 % (2 / 2)
local_buffer_readv_stage CBC 1829 100.0 % (3 / 3)
shared_buffer_readv_complete CBC 1200793 100.0 % (2 / 2)
shared_buffer_readv_stage CBC 1334830 100.0 % (3 / 3)

Generated by: LCOV version 2.4-beta