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Author SHA1 Message Date
Richard Brooksby
078ac268d5 Catch-up merge from branch/2015-08-06/config to remove arenaconfigure. 
Copied from Perforce
 Change: 189335
 ServerID: perforce.ravenbrook.com
 2016-02-25 22:59:06 +00:00
Richard Brooksby
9939dd3d3b Catch-up merge from master sources. 
Copied from Perforce
 Change: 189140
 ServerID: perforce.ravenbrook.com
 2016-02-11 23:42:07 +00:00
Richard Brooksby
9eb9063e80 Ensuring landfinish doesn't try treecheck on unmapped memory. see <https://info.ravenbrook.com/mail/2016/02/10/14-42-20/0/>. 
Copied from Perforce
 Change: 189121
 ServerID: perforce.ravenbrook.com
 2016-02-10 15:14:21 +00:00
Richard Brooksby
43741faecf Catch up merge from master sources. 
Copied from Perforce
 Change: 189088
 ServerID: perforce.ravenbrook.com
 2016-02-03 16:56:04 +00:00
Richard Brooksby
e732cd64f0 Removing result code from arenasetsparecommitlimit since it can never fail. 
See <https://info.ravenbrook.com/mail/2016/01/15/11-56-45/0>.

Copied from Perforce
 Change: 189084
 ServerID: perforce.ravenbrook.com
 2016-02-03 16:51:31 +00:00
Richard Brooksby
e64e5b2e25 Backing out the introduction of mps_arena_configure. see <https://info.ravenbrook.com/mail/2016/01/15/11-56-45/0>. 
Copied from Perforce
 Change: 189081
 ServerID: perforce.ravenbrook.com
 2016-02-03 15:52:05 +00:00
Richard Brooksby
b75a753e91 Removing arena configure method from arena classes. 
Copied from Perforce
 Change: 189080
 ServerID: perforce.ravenbrook.com
 2016-01-30 20:16:30 +00:00
Richard Brooksby
2dbb15a869 Fixing uninitialised variable warning from gcc 5.2.1. 
Copied from Perforce
 Change: 189069
 ServerID: perforce.ravenbrook.com
 2016-01-30 19:58:10 +00:00
Richard Brooksby
30240791c2 Adding reference to job for improving definalization. see <https://info.ravenbrook.com/mail/2016/01/19/17-09-22/0/>. 
Copied from Perforce
 Change: 188929
 ServerID: perforce.ravenbrook.com
 2016-01-20 11:44:28 +00:00
Richard Brooksby
1ac6033058 Catch-up merge from masters. 
Copied from Perforce
 Change: 188928
 ServerID: perforce.ravenbrook.com
 2016-01-20 11:04:09 +00:00
Richard Brooksby
6056a7f835 Resolving review issues in <https://info.ravenbrook.com/mail/2016/01/19/11-51-10/0/>. 
Improving documentation.
Fixing minor type misuse.

Copied from Perforce
 Change: 188922
 ServerID: perforce.ravenbrook.com
 2016-01-19 16:23:39 +00:00
Richard Brooksby
a2f78d0df6 Catch-up merge from masters. 
Copied from Perforce
 Change: 188921
 ServerID: perforce.ravenbrook.com
 2016-01-19 16:22:39 +00:00
Richard Brooksby
e12da28142 Merge branch 'master' into branch/2015-08-06/config 
Copied from Perforce
 Change: 188910
 ServerID: perforce.ravenbrook.com
 2016-01-14 17:37:08 +00:00
Richard Brooksby
6e65f1ff18 Using os-provided getopt_long where available, since it doesn't compile cleanly on os x. 
The getopt_long code promises that the argv array is const, but permutes it. (This problem is mentioned in the man page.) We have trouble getting this past our strict compiler options, especially under Xcode.

Copied from Perforce
 Change: 188909
 ServerID: perforce.ravenbrook.com
 2016-01-14 17:34:49 +00:00
Gareth Rees
5ab2c1f66b Add a return value to arenasetsparecommitlimit, as suggested by nb in review. 
Copied from Perforce
 Change: 188287
 ServerID: perforce.ravenbrook.com
 2015-09-08 16:36:48 +01:00
Gareth Rees
6ea9bc7894 Rename mps_key_arena_commit_limit and mps_key_arena_spare_commit_limit as mps_key_commit_limit and mps_key_spare_commit_limit respectively, as suggested by nb in review. 
Copied from Perforce
 Change: 188286
 ServerID: perforce.ravenbrook.com
 2015-09-08 16:21:27 +01:00
Gareth Rees
b8df4963ee Can't assume that the caller will give us any available time. 
Copied from Perforce
 Change: 188259
 ServerID: perforce.ravenbrook.com
 2015-09-04 22:35:03 +01:00
Gareth Rees
38b52d7a05 Avoid "iso c90 forbids mixed declarations and code" error from gcc. 
Copied from Perforce
 Change: 188257
 ServerID: perforce.ravenbrook.com
 2015-09-04 22:28:40 +01:00
Gareth Rees
144990c99d Add accesssetcheck and check accessset arguments. 
Copied from Perforce
 Change: 188251
 ServerID: perforce.ravenbrook.com
 2015-09-04 20:15:36 +01:00
Gareth Rees
d2662a861e Catch-up merge from branch/2015-08-11/policy to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 188250
 ServerID: perforce.ravenbrook.com
 2015-09-04 19:13:28 +01:00
Gareth Rees
800aa3b250 Policycollectiontime is now local to policy.c. 
Improve comment for policyCondemnChain (document the mortalityReturn parameter to; fix design reference).

Copied from Perforce
 Change: 188240
 ServerID: perforce.ravenbrook.com
 2015-09-04 16:02:46 +01:00
Gareth Rees
db81205af5 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
d0042b7b46 Move arenadefaultzoneset to be adjacent to its todo. 
Add comments for ArenaDefaultZONESET and LocusPrefDEFAULT.

Copied from Perforce
 Change: 188237
 ServerID: perforce.ravenbrook.com
 2015-09-04 15:24:14 +01:00
Gareth Rees
49635c2e86 Fix bug introduced by change 188219: the end of the interval is not the same as the available collection time. 
Copied from Perforce
 Change: 188223
 ServerID: perforce.ravenbrook.com
 2015-09-04 08:53:23 +01:00
Gareth Rees
c2488346e7 There can only be an emergency when a trace is busy, so check this. 
Copied from Perforce
 Change: 188220
 ServerID: perforce.ravenbrook.com
 2015-09-03 20:14:06 +01:00
Gareth Rees
6f0c939e2f Arenastep considers collecting the world after finishing a trace (not just on entry if no traces are busy). 
ArenaStep does not care about quanta, so call TraceAdvance instead of TracePoll.

Copied from Perforce
 Change: 188219
 ServerID: perforce.ravenbrook.com
 2015-09-03 19:11:49 +01:00
Gareth Rees
0ff67113ae 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
 ServerID: perforce.ravenbrook.com
 2015-09-03 15:51:37 +01:00
Gareth Rees
1437590cb3 Move the arenaemergency test up to policypollagain. 
Copied from Perforce
 Change: 188217
 ServerID: perforce.ravenbrook.com
 2015-09-03 15:39:39 +01:00
Gareth Rees
68489eec1e Move the clearing of the emergency flag down into tracedestroy{init,finish}. 
Copied from Perforce
 Change: 188216
 ServerID: perforce.ravenbrook.com
 2015-09-03 15:35:38 +01:00
Gareth Rees
61bae42d43 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
 ServerID: perforce.ravenbrook.com
 2015-09-03 13:01:55 +01:00
Gareth Rees
7c83105da9 Accumulate scannedsize in mrg pool. 
Copied from Perforce
 Change: 188209
 ServerID: perforce.ravenbrook.com
 2015-09-03 11:54:55 +01:00
Gareth Rees
85595290d3 Accumulate trace metrics in arenapark. 
Copied from Perforce
 Change: 188208
 ServerID: perforce.ravenbrook.com
 2015-09-03 11:50:28 +01:00
Gareth Rees
2979b99c64 Aver that results of arenaavail, arenacollectable and arenascannable are non-negative. 
Copied from Perforce
 Change: 188207
 ServerID: perforce.ravenbrook.com
 2015-09-03 10:12:18 +01:00
Gareth Rees
f1441b58d1 Don't start a trace unless there's work to do. 
Copied from Perforce
 Change: 188204
 ServerID: perforce.ravenbrook.com
 2015-09-02 21:55:24 +01:00
Gareth Rees
e7d735125f 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
837818ccb4 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
 ServerID: perforce.ravenbrook.com
 2015-09-02 10:50:00 +01:00
Gareth Rees
7cc5a2d8f6 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
86d6fd4d9c Catch-up merge from branch/2015-08-06/config to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 188175
 ServerID: perforce.ravenbrook.com
 2015-08-25 19:32:55 +01:00
Gareth Rees
b5edbd02ce Use sizeisarenagrains macro. 
Copied from Perforce
 Change: 188172
 ServerID: perforce.ravenbrook.com
 2015-08-25 15:03:35 +01:00
Gareth Rees
3274a4fba6 Condition >= 1.0 is needed to ensure division can't overflow. 
Copied from Perforce
 Change: 188170
 ServerID: perforce.ravenbrook.com
 2015-08-25 13:50:19 +01:00
Gareth Rees
dd676e2919 New functions policypoll and policypollagain. 
Update design.strategy.

Copied from Perforce
 Change: 188165
 ServerID: perforce.ravenbrook.com
 2015-08-25 13:27:17 +01:00
Gareth Rees
46280a07ab 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
b7cf9d1ba9 Fix broken link to design/thread-safety 
Copied from Perforce
 Change: 188158
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:20:20 +01:00
Gareth Rees
a4beea6f11 Prefer avert(type, value) to aver(typecheck(value)). 
Copied from Perforce
 Change: 188157
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:14:27 +01:00
Gareth Rees
ca71b6dbe6 New function policycondemnchain. 
Copied from Perforce
 Change: 188156
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:01:00 +01:00
Gareth Rees
32acad85ea 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
2097678a37 New module policy.c. 
Copied from Perforce
 Change: 188152
 ServerID: perforce.ravenbrook.com
 2015-08-19 15:03:47 +01:00
Gareth Rees
1e2d5dd4d8 Catch-up merge from master sources to branch/2015-08-06/config. 
Copied from Perforce
 Change: 188146
 ServerID: perforce.ravenbrook.com
 2015-08-14 16:35:07 +01:00
Gareth Rees
c8644421da Merge branch/2015-08-10/arena-create into the master sources. 
Copied from Perforce
 Change: 188144
 ServerID: perforce.ravenbrook.com
 2015-08-14 10:57:06 +01:00
Gareth Rees
008ac14cdb Improve organization and naming of arena's free land initialization and finish code, following review by nb <https://info.ravenbrook.com/mail/2015/08/11/15-52-34/0/>. 
Copied from Perforce
 Change: 188143
 ServerID: perforce.ravenbrook.com
 2015-08-14 10:30:16 +01:00