Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile

On Fri, 25 May 2012, Robert Haas wrote:

> On Thu, May 24, 2012 at 7:26 PM, Sergey Koposov <koposov(at)ast(dot)cam(dot)ac(dot)uk> wrote:
>> Here is the output from a multi-threaded run (8thtreads, 22 seconds) sorted
>> by blk. Not sure whether that's of much use or not:
>
> What are the top dozen or so entries if you sort by shacq?

Here it is:

PID 7108 lwlock 44: shacq 1127902 exacq 1548 blk 511
PID 7115 lwlock 44: shacq 1127495 exacq 633 blk 401
PID 7114 lwlock 44: shacq 1127418 exacq 1024 blk 702
PID 7111 lwlock 44: shacq 1127324 exacq 957 blk 651
PID 7109 lwlock 44: shacq 1127261 exacq 388 blk 466
PID 7110 lwlock 44: shacq 1127256 exacq 1132 blk 774
PID 7113 lwlock 44: shacq 1127179 exacq 920 blk 665
PID 7112 lwlock 44: shacq 1127148 exacq 1323 blk 838
PID 7108 lwlock 48: shacq 1125039 exacq 1592 blk 546
PID 7115 lwlock 48: shacq 1124666 exacq 559 blk 397
PID 7111 lwlock 48: shacq 1124523 exacq 1009 blk 955
PID 7114 lwlock 48: shacq 1124502 exacq 1041 blk 976
PID 7110 lwlock 48: shacq 1124460 exacq 1128 blk 1110
PID 7109 lwlock 48: shacq 1124402 exacq 384 blk 602
PID 7112 lwlock 48: shacq 1124394 exacq 1350 blk 1373
PID 7113 lwlock 48: shacq 1124383 exacq 868 blk 871
PID 7115 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7115 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7114 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7114 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7113 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7113 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7112 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7112 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7111 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7111 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7110 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7110 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7109 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7109 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7108 lwlock 1020: shacq 1000000 exacq 0 blk 0
PID 7108 lwlock 1018: shacq 1000000 exacq 0 blk 0
PID 7108 lwlock 43: shacq 439454 exacq 1614 blk 151
PID 7115 lwlock 43: shacq 438993 exacq 558 blk 126
PID 7111 lwlock 43: shacq 438817 exacq 899 blk 200
PID 7114 lwlock 43: shacq 438795 exacq 898 blk 230
PID 7109 lwlock 43: shacq 438787 exacq 314 blk 153
PID 7110 lwlock 43: shacq 438768 exacq 1026 blk 231
PID 7113 lwlock 43: shacq 438720 exacq 833 blk 178
PID 7112 lwlock 43: shacq 438691 exacq 1123 blk 215
PID 7108 lwlock 34: shacq 343982 exacq 1595 blk 177
PID 7115 lwlock 34: shacq 343582 exacq 600 blk 139
PID 7109 lwlock 34: shacq 343410 exacq 348 blk 167
PID 7111 lwlock 34: shacq 343398 exacq 926 blk 255
PID 7114 lwlock 34: shacq 343362 exacq 939 blk 214
PID 7110 lwlock 34: shacq 343338 exacq 1074 blk 226
PID 7113 lwlock 34: shacq 343283 exacq 832 blk 226
PID 7112 lwlock 34: shacq 343247 exacq 1255 blk 271
PID 7108 lwlock 38: shacq 333989 exacq 1704 blk 137
PID 7115 lwlock 38: shacq 333512 exacq 581 blk 106
PID 7109 lwlock 38: shacq 333340 exacq 322 blk 115
PID 7111 lwlock 38: shacq 333306 exacq 882 blk 152
PID 7114 lwlock 38: shacq 333266 exacq 977 blk 183
PID 7110 lwlock 38: shacq 333249 exacq 1013 blk 165
PID 7113 lwlock 38: shacq 333226 exacq 828 blk 163
PID 7112 lwlock 38: shacq 333175 exacq 1246 blk 183
PID 7108 lwlock 42: shacq 233215 exacq 1539 blk 237
PID 7115 lwlock 42: shacq 232846 exacq 517 blk 138
PID 7111 lwlock 42: shacq 232645 exacq 885 blk 215
PID 7109 lwlock 42: shacq 232611 exacq 363 blk 140
PID 7113 lwlock 42: shacq 232600 exacq 860 blk 192
PID 7110 lwlock 42: shacq 232599 exacq 1049 blk 262
PID 7114 lwlock 42: shacq 232591 exacq 935 blk 318
PID 7112 lwlock 42: shacq 232505 exacq 1262 blk 240
PID 7108 lwlock 47: shacq 228682 exacq 1495 blk 177
PID 7115 lwlock 47: shacq 228397 exacq 516 blk 109
PID 7110 lwlock 47: shacq 228218 exacq 1082 blk 378
PID 7109 lwlock 47: shacq 228097 exacq 386 blk 158
PID 7111 lwlock 47: shacq 228093 exacq 907 blk 321
PID 7113 lwlock 47: shacq 228085 exacq 909 blk 306
PID 7112 lwlock 47: shacq 227993 exacq 1248 blk 387
PID 7114 lwlock 47: shacq 227986 exacq 929 blk 449
PID 7108 lwlock 36: shacq 205287 exacq 1592 blk 78
PID 7115 lwlock 36: shacq 204845 exacq 535 blk 86
PID 7111 lwlock 36: shacq 204675 exacq 830 blk 108
PID 7114 lwlock 36: shacq 204634 exacq 930 blk 109
PID 7109 lwlock 36: shacq 204581 exacq 363 blk 83
PID 7113 lwlock 36: shacq 204566 exacq 833 blk 112
PID 7110 lwlock 36: shacq 204546 exacq 1014 blk 106
PID 7112 lwlock 36: shacq 204508 exacq 1180 blk 140
PID 7108 lwlock 35: shacq 136067 exacq 1537 blk 56
PID 7115 lwlock 35: shacq 135532 exacq 494 blk 47
PID 7111 lwlock 35: shacq 135404 exacq 820 blk 76
PID 7109 lwlock 35: shacq 135362 exacq 326 blk 56
PID 7114 lwlock 35: shacq 135342 exacq 879 blk 102
PID 7110 lwlock 35: shacq 135333 exacq 1016 blk 88
PID 7113 lwlock 35: shacq 135318 exacq 829 blk 75
PID 7112 lwlock 35: shacq 135257 exacq 1229 blk 98
PID 7108 lwlock 41: shacq 134338 exacq 1540 blk 55
PID 7115 lwlock 41: shacq 133929 exacq 542 blk 50
PID 7109 lwlock 41: shacq 133781 exacq 360 blk 49
PID 7111 lwlock 41: shacq 133778 exacq 821 blk 87
PID 7114 lwlock 41: shacq 133757 exacq 897 blk 79
...

I've also put all the lwlock output here (2Mb)
http://www.ast.cam.ac.uk/~koposov/files/pg/lwlocks.gz

S

*****************************************************
Sergey E. Koposov, PhD, Research Associate
Institute of Astronomy, University of Cambridge
Madingley road, CB3 0HA, Cambridge, UK
Tel: +44-1223-337-551 Web: http://www.ast.cam.ac.uk/~koposov/