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190 commits

Author SHA1 Message Date
Gareth Rees
aa6a027c68 Catch-up merge from branch/2015-08-11/policy to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 188250
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 2015-09-04 19:13:28 +01:00
Gareth Rees
0a927608dc Policycollectiontime is now local to policy.c. 
Improve comment for policyCondemnChain (document the mortalityReturn parameter to; fix design reference).

Copied from Perforce
 Change: 188240
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 2015-09-04 16:02:46 +01:00
Gareth Rees
2514663693 Move policy for mps_arena_step to policy module. 
Copied from Perforce
 Change: 188238
 ServerID: perforce.ravenbrook.com
 2015-09-04 15:25:37 +01:00
Gareth Rees
7bf1664f5e Separate the values "more work to do?" and "amount of work done" in tracepoll. previously, the code used "amount of work done > 0" when it needed "more work to do?" but that's not right, because on the last two calls to traceadvance, no "work" is done (because reclaim work is not measured), but there may still be more work to do. 
Copied from Perforce
 Change: 188218
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 2015-09-03 15:51:37 +01:00
Gareth Rees
b4db3bd09f Introduce new type work representing a measure of work done by the collector. use this systematically to make the code clearer. 
Copied from Perforce
 Change: 188210
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 2015-09-03 13:01:55 +01:00
Gareth Rees
bea6e91d73 Accumulate trace metrics in arenapark. 
Copied from Perforce
 Change: 188208
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 2015-09-03 11:50:28 +01:00
Gareth Rees
3b0e0c2aa5 Don't start a trace unless there's work to do. 
Copied from Perforce
 Change: 188204
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 2015-09-02 21:55:24 +01:00
Gareth Rees
309d42e408 Catch-up merge from branch/2015-08-11/policy to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 188203
 ServerID: perforce.ravenbrook.com
 2015-09-02 21:23:23 +01:00
Gareth Rees
9a303f6935 Refactor tracequantum into tracepoll and traceadvance. (tracequantum was formerly called from arenapark, but that doesn't care about the quantum size.) 
Copied from Perforce
 Change: 188198
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 2015-09-02 10:50:00 +01:00
Gareth Rees
1f6522bd04 Catch-up merge from branch/2015-08-11/policy to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 188176
 ServerID: perforce.ravenbrook.com
 2015-08-25 19:35:03 +01:00
Gareth Rees
9dd49aa48e New functions policypoll and policypollagain. 
Update design.strategy.

Copied from Perforce
 Change: 188165
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 2015-08-25 13:27:17 +01:00
Gareth Rees
d506458eea New function policycollectiontime estimates the time needed to collect the arena. mysterious constants are given names and moved to config.h. 
Copied from Perforce
 Change: 188160
 ServerID: perforce.ravenbrook.com
 2015-08-21 15:27:14 +01:00
Gareth Rees
eee7ccb60c New function policystarttrace decides whether to start a trace. 
Copied from Perforce
 Change: 188154
 ServerID: perforce.ravenbrook.com
 2015-08-20 16:57:33 +01:00
Gareth Rees
b3056139c8 New module policy.c. 
Copied from Perforce
 Change: 188152
 ServerID: perforce.ravenbrook.com
 2015-08-19 15:03:47 +01:00
Gareth Rees
511ec1c025 Catch-up merge from branch/2015-08-10/arena-create to branch/2015-08-06/config. 
Copied from Perforce
 Change: 188104
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 2015-08-10 12:49:36 +01:00
Gareth Rees
6359b0ed98 Merge branch/2014-09-29/reserved into the master sources. 
Copied from Perforce
 Change: 188090
 ServerID: perforce.ravenbrook.com
 2015-08-07 16:33:43 +01:00
Gareth Rees
703c1ee5f5 New function mps_arena_configure provides keyword argument interface to changing the properties of an arena. 
New keyword arguments MPS_KEY_ARENA_COMMIT_LIMIT and MPS_KEY_SPARE_ARENA_COMMIT_LIMIT can be passed to mps_arena_create_k or mps_arena_configure.
Deprecate mps_arena_commit_limit_set and mps_arena_spare_commit_limit_set.

Copied from Perforce
 Change: 188085
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 2015-08-06 17:02:51 +01:00
Gareth Rees
5315baa846 The "remember" parameters to arenaexposeremember is a boolean, not an integer. 
Copied from Perforce
 Change: 187467
 ServerID: perforce.ravenbrook.com
 2014-11-06 12:03:18 +00:00
Gareth Rees
d5ea0fb20b Put the protection interface in prot.h, and the stack probe interface into sp.h, to make it easier to write the "porting" chapter of the manual. 
Copied from Perforce
 Change: 187316
 ServerID: perforce.ravenbrook.com
 2014-10-21 16:44:19 +01:00
Gareth Rees
00229b0479 Use the method suffix only for methods in classes; use visitor or function for other kinds of functions. 
New document guide.impl.c.naming sets out the rules for naming.

Copied from Perforce
 Change: 187159
 ServerID: perforce.ravenbrook.com
 2014-10-07 23:48:55 +01:00
Gareth Rees
53c5301a9e Instead of iterating over the chunks to compute the total reserved address space, maintain a running total in arenachunkinsert and (new function) arenachunkremoved. 
New arena class method chunkReserved handles the class-specific computation of the reserved size of a chunk.

Copied from Perforce
 Change: 187089
 ServerID: perforce.ravenbrook.com
 2014-09-29 22:50:46 +01:00
Gareth Rees
1f517274f3 Cast all arguments to the writef function to make it easy to check that none of the necessary casts have been omitted. 
New macro WriteFYesNo makes it easy to describe a Boolean.
Describe more structure elements for ABQ, Arena, Buffer, Format, MFS, Root, Seg.

Copied from Perforce
 Change: 187063
 ServerID: perforce.ravenbrook.com
 2014-09-27 12:49:30 +01:00
Gareth Rees
7c2e271e60 Rename segpref to locuspref -- this structure describes preferences for the placement of any kind of address, not just segments. 
Add LocusPrefDescribe and use it in MVFFDescribe.

Copied from Perforce
 Change: 187061
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 2014-09-27 11:27:00 +01:00
Gareth Rees
b1b8c84c0a Store the vm descriptor in the vmarena and vmchunk structures. 
Copied from Perforce
 Change: 186624
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 2014-06-14 15:12:26 +01:00
Gareth Rees
c975f64296 Improve the diff and make the vm implementations more closely parallel. 
Copied from Perforce
 Change: 186591
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 2014-06-13 17:59:37 +01:00
Gareth Rees
831f551eec Now that we can call vmpagesize without having a vm to hand, the implementation of vmcreate can be simpler: in particular, the grain size can already be correctly rounded up. 
Copied from Perforce
 Change: 186590
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 2014-06-13 17:39:58 +01:00
Gareth Rees
88c85abc0e Vmpagesize now takes no arguments -- this avoids suggesting (incorrectly) that it might return a different value for each vm. 
New function ProtGranularity returns the protection granularity of the operating system. (On all currently supported operating systems this is the same as the granularity of memory mapping returned by VMPageSuze, but it's important to separate these concepts.) MPMCheck asserts that the granularity of memory mapping is a multiple of the granularity of protection.
Client arena supports MPS_KEY_ARENA_GRAIN_SIZE.
Some of the test cases set the arena grain size.

Copied from Perforce
 Change: 186588
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 2014-06-13 17:19:23 +01:00
Gareth Rees
a7c6cd3600 Catch-up merge from master sources @186573 to branch/2014-05-28/align. 
Copied from Perforce
 Change: 186574
 ServerID: perforce.ravenbrook.com
 2014-06-13 15:37:20 +01:00
Gareth Rees
a13a1aa1df Catch-up merge from master sources @186564 to branch/2014-06-11/grain. 
Copied from Perforce
 Change: 186572
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 2014-06-13 15:30:46 +01:00
Gareth Rees
1dd8a0fa26 Merge branch/2014-06-11/grain into branch/2014-05-28/align. 
Copied from Perforce
 Change: 186561
 ServerID: perforce.ravenbrook.com
 2014-06-13 13:35:14 +01:00
Gareth Rees
100405cac2 Restore the chunk ring. 
Copied from Perforce
 Change: 186558
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 2014-06-13 12:31:47 +01:00
Gareth Rees
8c9de5f775 New function arenachunktreetraverse ensures that calls to chunkofaddr are reliably detected. 
Copied from Perforce
 Change: 186550
 ServerID: perforce.ravenbrook.com
 2014-06-12 20:28:50 +01:00
Gareth Rees
08f341fcc9 Catch-up merge from master sources @186540 to branch/2014-05-17/chunk-tree. 
Copied from Perforce
 Change: 186546
 ServerID: perforce.ravenbrook.com
 2014-06-12 17:55:16 +01:00
Gareth Rees
5aba28db8d Rename vmgrainsize to vmpagesize (because it is in fact the operating system page size) and to avoid confusion with the arena grain size. 
Copied from Perforce
 Change: 186543
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 2014-06-12 17:18:50 +01:00
Gareth Rees
5e11b7034a Catch-up merge from master sources @186536 to branch/2014-05-15/size. 
Copied from Perforce
 Change: 186539
 ServerID: perforce.ravenbrook.com
 2014-06-12 16:46:36 +01:00
Gareth Rees
9268a0adc8 Catch-up merge from master sources @186528 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186534
 ServerID: perforce.ravenbrook.com
 2014-06-12 15:59:39 +01:00
Gareth Rees
cb629746ea Catch-up merge from masters sources @186519 to branch/2014-04-17/describe. 
Copied from Perforce
 Change: 186526
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 2014-06-12 13:45:22 +01:00
Gareth Rees
d897119121 Rename grainsizecheck as arenagrainsizecheck. 
Copied from Perforce
 Change: 186506
 ServerID: perforce.ravenbrook.com
 2014-06-11 17:33:10 +01:00
Gareth Rees
bfb0b771dd Rename "arena alignment" to "arena grain size" to avoid confusion with ordinary structure alignment. 
Copied from Perforce
 Change: 186503
 ServerID: perforce.ravenbrook.com
 2014-06-11 17:13:03 +01:00
Gareth Rees
f7234cc119 Catch-up merge from master sources @186481 to branch/2014-05-28/align. 
Copied from Perforce
 Change: 186499
 ServerID: perforce.ravenbrook.com
 2014-06-11 14:23:59 +01:00
Gareth Rees
de2a30d207 Catch-up merge from master sources @186481 to branch/2014-05-17/chunk-tree. 
Copied from Perforce
 Change: 186491
 ServerID: perforce.ravenbrook.com
 2014-06-11 13:52:31 +01:00
Gareth Rees
5969ae2114 Catch-up merge from branch/2014-04-15/mvffnoseg @186485 to branch/2014-05-15/size. 
Copied from Perforce
 Change: 186487
 ServerID: perforce.ravenbrook.com
 2014-06-11 13:17:14 +01:00
Gareth Rees
a08139899f Catch-up merge from master sources @186481 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186484
 ServerID: perforce.ravenbrook.com
 2014-06-11 12:42:58 +01:00
Gareth Rees
0b5dbed673 Catch-up merge from master sources @186460 to branch/2014-04-08/align. 
Copied from Perforce
 Change: 186461
 ServerID: perforce.ravenbrook.com
 2014-06-09 19:26:31 +01:00
Gareth Rees
3f98a87c2e Remove unused pool class attributes. 
Bring method descriptions up to date in pool class design.

Copied from Perforce
 Change: 186446
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 2014-06-08 19:54:24 +01:00
Gareth Rees
f76c7b8c68 Fix compilation on fri3gc: need readonlyaddradd macro to avoid warning. 
Copied from Perforce
 Change: 186442
 ServerID: perforce.ravenbrook.com
 2014-06-08 17:15:54 +01:00
Gareth Rees
317cad785d Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
Copied from Perforce
 Change: 186439
 ServerID: perforce.ravenbrook.com
 2014-06-08 16:30:53 +01:00
Gareth Rees
3704522c58 Catch-up merge from master sources @186352 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186355
 ServerID: perforce.ravenbrook.com
 2014-05-29 16:03:34 +01:00
Gareth Rees
ffe358cca8 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/05/29/13-01-02/0/>. 
Copied from Perforce
 Change: 186347
 ServerID: perforce.ravenbrook.com
 2014-05-29 14:50:36 +01:00
Gareth Rees
fd57486106 Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/05/23/12-44-54/0/>. 
Copied from Perforce
 Change: 186300
 ServerID: perforce.ravenbrook.com
 2014-05-25 20:49:22 +01:00