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253 commits

Author SHA1 Message Date
Gareth Rees
1e77b9d762 Remove mps_fix, deprecated since release 1.111.0 
Also remove undocumented and deprecated MPS_FIX macro, and rename
TRACE_FIX to TRACE_FIX12 to maintain parallelism.
 2020-09-27 14:16:39 +01:00
Gareth Rees
5559f36540 Fix indentation of second clause of license. 2020-08-30 10:13:06 +01:00
Gareth Rees
5165d75267 Use https: instead of http: when linking to the ravenbrook web site. 2020-08-30 10:13:03 +01:00
Peter Jackson
1d00afac81 Publish licence updates in code directory. 
Publish minor changes to readme and configure files in main directory.
Main directory and code directory licence texts are now fully updated.

Copied from Perforce
 Change: 196994
 2020-06-11 17:05:40 +01:00
Gareth Rees
0b324c158b Use tags with dots; regularize design references from code. 
Copied from Perforce
 Change: 195761
 2018-11-29 17:12:29 +00:00
Gareth Rees
cc9d3b9f7b Change http to https for links to {info,www}.ravenbrook.com. 
Copied from Perforce
 Change: 195719
 2018-11-22 12:34:46 +00:00
Gareth Rees
fa3abac8df Improve handling of telemetry events on the critical path: 
1. Being on the critical path is a property of the code location where the event is emitted, not of the event type, so indicate this using EVENT_CRITICAL macros rather than a field in the event table.
2. Compile out events on the critical path in hot varieties.
3. Remove TraceFixWhite event (redundant with TraceFixSeg).
4. No need for special handling of PoolFree event -- this are already skipped in hot varieties by dispatching directly to the pool class via PoolFreeMacro.

Copied from Perforce
 Change: 195261
 2018-10-15 14:22:16 +01:00
Gareth Rees
60bf7320e2 Document the event parameters. 
Split event ArenaAccess into ArenaAccessBegin and ArenaAccessEnd to avoid the need for the count field.
New events SegReclaim and SegScan.
Delete some redundant events: AMCFinish (PoolFinish), AMCFix, AMCFixForward, AMCFixInPlace (TraceFix), AMCGenCreate (GenInit), AMCGenDestroy (GenFinish), AMCInit (PoolInitAMC), AMCReclaim (SegReclaim), AMCScanBegin, AMCScanEnd (SegScan), ArenaWriteFaults (ArenaAccessBegin), PoolInitMV, TraceScanSeg (SegScan).
Add result code field to events ArenaAllocFail, CommitLimitSet, SegAllocFail.
Remove arena field from events PoolInitAMS, PoolInitMFS, PoolInitMVFF (already appeared in generic PoolInit event).

Copied from Perforce
 Change: 195247
 2018-10-14 14:04:40 +01:00
Gareth Rees
06b87869fd Catch-up merge from master sources at changelevel 194022 to branch/2018-06-20/monitor. 
Copied from Perforce
 Change: 195071
 2018-09-15 21:29:28 +01:00
Gareth Rees
d6c8713da4 Address issues found in review <https://info.ravenbrook.com/mail/2018/09/13/15-44-23/0/> 
Copied from Perforce
 Change: 195057
 2018-09-13 16:47:51 +01:00
Gareth Rees
ba8cd512fd Fix compilation error "variable ‘arena’ set but not used" from gcc 4.8.4 in statistic-less varieties. 
Copied from Perforce
 Change: 194751
 2018-07-28 15:31:15 +01:00
David Lovemore
b8a1e6565e Fix compile error. 
Copied from Perforce
 Change: 194741
 2018-07-26 18:51:30 +01:00
Nick Barnes
2b01f4592b Integrate recent monitor improvements from cet custom monitor branch. 
Copied from Perforce
 Change: 194738
 2018-07-26 14:40:31 +01:00
Gareth Rees
6e4fc6323e Merge branch/2016-04-16/trace-gens into the master sources. 
Copied from Perforce
 Change: 194685
 2018-07-18 18:53:05 +01:00
Gareth Rees
3a901f73b8 Merge branch/2018-07-07/roots-walk into the master sources. 
Copied from Perforce
 Change: 194642
 2018-07-13 16:41:08 +01:00
Gareth Rees
326a8c6bbd Generation's computed mortality has denominator of condemned memory (not new memory), so use the same denominator when predicting the mortality for a trace. 
Simpler to compute predicted mortality as casualties/condemned instead of 1 - survivors/condemned.

Copied from Perforce
 Change: 194634
 2018-07-13 12:07:54 +01:00
Gareth Rees
6684c5d10f Catch-up merge from master sources at changelevel 194628. 
Copied from Perforce
 Change: 194631
 2018-07-13 11:28:36 +01:00
Gareth Rees
5bd92654df Improve describe output for generations. 
Must take SegBase(seg) before reclaiming the segment in case it gets destroyed.

Copied from Perforce
 Change: 194624
 2018-07-12 09:47:29 +01:00
Gareth Rees
9410be10b5 Reclaim the same generations that were condemned. 
Copied from Perforce
 Change: 194621
 2018-07-12 07:51:04 +01:00
Gareth Rees
c3fd9d5ba7 Represent the set of generations condemned for a trace. 
Eliminate duplication between policyCondemnChain and traceCondemnAll.
Compute better mortality estimate for collection of the world.

Copied from Perforce
 Change: 194611
 2018-07-11 21:14:43 +01:00
Gareth Rees
91efa65199 Add time series for fraction of generations condemned in chain. 
Copied from Perforce
 Change: 194541
 2018-07-09 16:56:16 +01:00
Gareth Rees
3fde81f1f4 Better position for comment. 
Update manual.

Copied from Perforce
 Change: 194511
 2018-07-08 08:08:05 +01:00
Gareth Rees
764c0e1235 In mps_arena_roots_walk, don't call traceaddwhite to whiten a segment, as this calls segwhiten which has undesirable side-effects, including breaking formatting objects walking. instead, call segsetwhite to make the segment white, and set the trace's white summary to the universe. 
Add cross-reference from second-stage test in _mps_fix2 so that if the white set test is changed, the roots walking code can be changed to match.
In walkt0, add a smoke test for mps_arena_roots_walk.

Copied from Perforce
 Change: 194507
 2018-07-07 22:23:24 +01:00
Gareth Rees
825485fa70 Catch-up merge from master sources at changelevel 194456 to branch/2016-03-30/tract-white-elim. 
Copied from Perforce
 Change: 194469
 2018-07-06 11:06:20 +01:00
Gareth Rees
3366ef1bc2 Catch-up merge from master sources at changelevel 194449 to branch/2018-06-18/mrgseg. 
Copied from Perforce
 Change: 194452
 2018-07-05 16:22:24 +01:00
Gareth Rees
3641c31e6b Add time series for mortality in a generation, and size of segments referencing each generation. 
Copied from Perforce
 Change: 194348
 2018-07-02 15:40:42 +01:00
Gareth Rees
66c9375253 Restore fixclosure together with explanation. 
Copied from Perforce
 Change: 194314
 2018-06-29 13:54:55 +01:00
Gareth Rees
a5ddfca39b New generic function segflip allows the segment to decide how to handle a trace that’s about to flip. 
Copied from Perforce
 Change: 194000
 2018-06-20 10:23:16 +01:00
Gareth Rees
6e53fd80e0 Remove unused variable pool. 
Copied from Perforce
 Change: 193034
 ServerID: perforce.ravenbrook.com
 2017-03-30 09:19:54 +01:00
Gareth Rees
45e05c62cd Move fix and fixemergency methods from pool class to segment class. 
Copied from Perforce
 Change: 193023
 ServerID: perforce.ravenbrook.com
 2017-03-30 08:09:14 +01:00
Gareth Rees
10e9331822 Remove unused fixclosure field from trace and scanstate structures. 
Copied from Perforce
 Change: 193018
 ServerID: perforce.ravenbrook.com
 2017-03-30 07:14:10 +01:00
Gareth Rees
1cb3265e80 Move scan method from pool class to segment class. 
Copied from Perforce
 Change: 193012
 ServerID: perforce.ravenbrook.com
 2017-03-29 19:17:17 +01:00
Gareth Rees
de269de563 Move reclaim method from pool class to segment class. 
Copied from Perforce
 Change: 193007
 ServerID: perforce.ravenbrook.com
 2017-03-29 17:13:45 +01:00
Gareth Rees
bfe43c367e Move whiten method from pool class to segment class. 
Copied from Perforce
 Change: 193002
 ServerID: perforce.ravenbrook.com
 2017-03-29 16:22:14 +01:00
Gareth Rees
826b74a030 Move greyen method from pool class to segment class. 
Copied from Perforce
 Change: 192997
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:58:32 +01:00
Gareth Rees
6dabd6de2b Move the blacken method from the pool class to the segment class. 
Copied from Perforce
 Change: 192994
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:32:17 +01:00
Gareth Rees
9f505c501d Remove unused pool class methods tracebegin and traceend. 
Remove unused event AMCTraceEnd.
The fixEmergency method must have the same type as the fix method because of how they are used.

Copied from Perforce
 Change: 192636
 ServerID: perforce.ravenbrook.com
 2016-10-19 14:07:20 +01:00
Gareth Rees
d83934de69 Remove return statements that have no effect. 
Copied from Perforce
 Change: 192529
 ServerID: perforce.ravenbrook.com
 2016-10-13 15:17:50 +01:00
Gareth Rees
a0db5c7bfe Catch-up merge from master sources to branch/2016-04-13/mortality. 
Copied from Perforce
 Change: 192192
 ServerID: perforce.ravenbrook.com
 2016-09-05 16:17:04 +01:00
Gareth Rees
a42ef06b8d Catch-up merge from master sources to branch/2016-04-12/job004000. 
Copied from Perforce
 Change: 192187
 ServerID: perforce.ravenbrook.com
 2016-09-05 16:01:17 +01:00
Gareth Rees
c737a08bc2 Fix assertion text in the manual. 
Place a cross-reference by each assertion the appears in the manual, to assist in keeping the manual up to date.

Copied from Perforce
 Change: 192097
 ServerID: perforce.ravenbrook.com
 2016-09-02 14:11:08 +01:00
Gareth Rees
0297b380b9 Clear the emergency before removing the trace from busytraces, to avoid violating <code/global.c#emergency.invariant>. 
Copied from Perforce
 Change: 191774
 ServerID: perforce.ravenbrook.com
 2016-05-02 13:06:07 +01:00
Gareth Rees
73734325d5 Catch-up merge from branch/2016-04-12/job004000 to branch/2016-04-13/mortality. 
Copied from Perforce
 Change: 191513
 ServerID: perforce.ravenbrook.com
 2016-04-21 18:20:54 +01:00
Gareth Rees
8868a011a7 Catch-up merge from master sources to branch/2016-04-12/job004000. 
Copied from Perforce
 Change: 191429
 ServerID: perforce.ravenbrook.com
 2016-04-21 10:52:18 +01:00
Gareth Rees
0d0eb93f01 Merge branch/2016-04-19/job004011. 
Copied from Perforce
 Change: 191374
 ServerID: perforce.ravenbrook.com
 2016-04-20 16:00:43 +01:00
Gareth Rees
c1aeb1f67a Ensure that at most one collection of the world can be started in a call to arenapoll. this avoids a loop if the live set is large enough to provoke the "dynamic criterion". 
Copied from Perforce
 Change: 191274
 ServerID: perforce.ravenbrook.com
 2016-04-19 18:17:09 +01:00
Gareth Rees
b6f2ae3d67 Remove tracestatcondemn event -- contains no information not already emitted by the tracestart event. 
Copied from Perforce
 Change: 191185
 ServerID: perforce.ravenbrook.com
 2016-04-16 12:41:38 +01:00
Gareth Rees
aabe4992eb Compile out statistic declarations in non-statistical varieties (at the cost of some syntax checking). 
Add some missing STATISTIC guards where statistics are used.
Add design documentation.
Avoid unnecessary distinction between STATISTIC and STATISTIC_STAT (both result in statements).

Copied from Perforce
 Change: 191178
 ServerID: perforce.ravenbrook.com
 2016-04-16 12:07:10 +01:00
Gareth Rees
d40145c046 Maintain a moving average of the mortality of each generation. 
Copied from Perforce
 Change: 191081
 ServerID: perforce.ravenbrook.com
 2016-04-13 15:19:50 +01:00
Gareth Rees
749226e23a Handle failed traceaddwhite in policycondemnchain and arenarootswalk. 
Copied from Perforce
 Change: 191040
 ServerID: perforce.ravenbrook.com
 2016-04-12 20:58:33 +01:00