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Gareth Rees
ffcd3f0b7b Merge branch/2016-04-11/job003998. 
Copied from Perforce
 Change: 191388
 ServerID: perforce.ravenbrook.com
 2016-04-20 17:56:59 +01:00
Gareth Rees
68fd97647f Pass the -p (posix output) option to /usr/bin/time so that the results are portable between os x and linux. 
Copied from Perforce
 Change: 191378
 ServerID: perforce.ravenbrook.com
 2016-04-20 16:19:38 +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
a5973e98f8 Merge branch/2016-04-19/job004007. 
Copied from Perforce
 Change: 191371
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:56:32 +01:00
Gareth Rees
8a19bd5e8c Initialize arena->zoneshift to zoneshiftunset (which is not a valid shift) and modify the arena checking to spot this value. previously a default shift value (namely 20) was used, but this value was bogus as the zone shift is not determined until the class initialization runs. 
Copied from Perforce
 Change: 191370
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:51:16 +01:00
Gareth Rees
c5456223c1 Performance ratio test uses cpu time (not real time). use awk instead of dc to avoid having to install a package. 
Copied from Perforce
 Change: 191365
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:07:22 +01:00
Gareth Rees
96e6cd054d Discuss a possible better solution than the collectworldallowed flag. 
Copied from Perforce
 Change: 191360
 ServerID: perforce.ravenbrook.com
 2016-04-20 14:24:01 +01:00
Gareth Rees
6f675c3862 Install dc (the unix desk calculator) so that testratio can compute performance ratios. 
Copied from Perforce
 Change: 191352
 ServerID: perforce.ravenbrook.com
 2016-04-20 13:53:15 +01:00
Gareth Rees
655e358db4 Add a test checking that the hot variety is not too much slower than the rash variety. turn this on for continuous integration testing via "make test". 
Copied from Perforce
 Change: 191339
 ServerID: perforce.ravenbrook.com
 2016-04-20 13:15:18 +01:00
Gareth Rees
f91dbd333d Release notes. 
Copied from Perforce
 Change: 191319
 ServerID: perforce.ravenbrook.com
 2016-04-20 09:39:50 +01:00
Gareth Rees
e3f176bace Release notes. 
Copied from Perforce
 Change: 191318
 ServerID: perforce.ravenbrook.com
 2016-04-20 09:35:37 +01:00
Gareth Rees
3f41c3fba4 Discard all messages retrieved from the queue. 
Copied from Perforce
 Change: 191317
 ServerID: perforce.ravenbrook.com
 2016-04-20 09:35:27 +01:00
Gareth Rees
21bb1c84b1 Address comments made by rb in review: 
* Clearer name for the amcseg->buffered flag.
* Better explanation of the meaning of this flag.
* Explain how an AMC segment can be buffered but not accounted as buffered.

Copied from Perforce
 Change: 191298
 ServerID: perforce.ravenbrook.com
 2016-04-19 20:38:33 +01:00
Gareth Rees
cbacf0a300 Document the updated interface to policystarttrace. 
Copied from Perforce
 Change: 191293
 ServerID: perforce.ravenbrook.com
 2016-04-19 20:08:52 +01:00
Gareth Rees
2df530bb62 Make it clear where tags are defined and where they are referenced, as suggested by rb in review. 
Copied from Perforce
 Change: 191288
 ServerID: perforce.ravenbrook.com
 2016-04-19 19:24:46 +01:00
Gareth Rees
0078b1cb71 Merge branch/2016-04-16/statistic. 
Copied from Perforce
 Change: 191281
 ServerID: perforce.ravenbrook.com
 2016-04-19 18:31:15 +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
d093a4b685 Branching master to branch/2016-04-19/job004011. 
Copied from Perforce
 Change: 191260
 ServerID: perforce.ravenbrook.com
 2016-04-19 17:23:38 +01:00
Gareth Rees
e8a7c408be Infinity was new in c99 so use huge_val instead. 
Copied from Perforce
 Change: 191254
 ServerID: perforce.ravenbrook.com
 2016-04-19 16:38:20 +01:00
Gareth Rees
99303979de Give buffers their own account in the pool generation accounting system. this ensures that buffers don't contribute to the "new size" of a generation, and so don't provoke collections of that generation. 
Copied from Perforce
 Change: 191243
 ServerID: perforce.ravenbrook.com
 2016-04-19 16:02:16 +01:00
Gareth Rees
7b40c1d5a2 Branching master to branch/2016-04-19/job004007. 
Copied from Perforce
 Change: 191219
 ServerID: perforce.ravenbrook.com
 2016-04-19 11:48:29 +01:00
Gareth Rees
94234f7ce9 No need to declare or set vmem1 if we are not going to use it. this avoids "variable ‘vmem1’ set but not used" warning from gcc. 
Copied from Perforce
 Change: 191199
 ServerID: perforce.ravenbrook.com
 2016-04-16 14:14:31 +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
8e78fbb2f6 Fix typos and document restrictions on gather argument. 
Copied from Perforce
 Change: 191184
 ServerID: perforce.ravenbrook.com
 2016-04-16 12:40:54 +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
44b48cba61 Branching master to branch/2016-04-16/statistic. 
Copied from Perforce
 Change: 191168
 ServerID: perforce.ravenbrook.com
 2016-04-16 09:58:58 +01:00
Gareth Rees
c2e56d9bf8 Add "format->poolcount == 0" to the list of common assertions. 
Copied from Perforce
 Change: 191159
 ServerID: perforce.ravenbrook.com
 2016-04-15 08:11:05 +01:00
Gareth Rees
b6aacbc27b Quote %test_cases_db% in case the current directory contains shell metacharacters (as it does on jenkins). 
Copied from Perforce
 Change: 191150
 ServerID: perforce.ravenbrook.com
 2016-04-14 16:59:26 +01:00
Gareth Rees
0f44970f70 Snc contains formatted objects and so must get its alignment from the format. 
Copied from Perforce
 Change: 191142
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:45:41 +01:00
Gareth Rees
aea3930a48 Add missing test target sncss.exe. 
Copied from Perforce
 Change: 191139
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:35:12 +01:00
Gareth Rees
a69a06ee56 Avoid "warning c4334: '<<' : result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)" from microsoft visual c. 
Copied from Perforce
 Change: 191138
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:33:33 +01:00
Gareth Rees
dd8f8c0906 Merge branch/2015-08-11/compact into the master sources. 
Copied from Perforce
 Change: 191113
 ServerID: perforce.ravenbrook.com
 2016-04-14 12:49:13 +01:00
Gareth Rees
034d378148 Merge branch/2014-10-11/snc into the master sources. 
Copied from Perforce
 Change: 191102
 ServerID: perforce.ravenbrook.com
 2016-04-13 17:52:34 +01:00
Gareth Rees
da01c768e0 Explain the purpose of allocation frames and the snc pool. 
Copied from Perforce
 Change: 191078
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:52:30 +01:00
Gareth Rees
63b2875a62 Fix call broken by catch-up merge. 
Copied from Perforce
 Change: 191066
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:13:41 +01:00
Gareth Rees
77b12d3ee7 Catch-up merge from master sources to branch/2014-10-11/snc. 
Copied from Perforce
 Change: 191065
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:07:19 +01:00
Gareth Rees
13f8353d6e A lightweight pop is not safe for automatically managed pools, so check attrgc first. 
Copied from Perforce
 Change: 191055
 ServerID: perforce.ravenbrook.com
 2016-04-13 11:55:35 +01:00
Richard Brooksby
f650061dab Guarding eventinit with the global lock, and removing the enforcement of the reference count, so that the event system can be used from classes, which get called before any arena. 
Copied from Perforce
 Change: 191018
 ServerID: perforce.ravenbrook.com
 2016-04-12 18:16:06 +01:00
Gareth Rees
13ec8a0e2c When growing an arena: (i) don't create a chunk that's too small for the allocation that's going to follow; (ii) don't create a chunk that's larger than necessary. 
Copied from Perforce
 Change: 190952
 ServerID: perforce.ravenbrook.com
 2016-04-11 20:33:38 +01:00
Gareth Rees
0616a12652 Arenacompact can be called via tracedestroyinit too. 
Copied from Perforce
 Change: 190949
 ServerID: perforce.ravenbrook.com
 2016-04-11 19:47:52 +01:00
Gareth Rees
470b157620 Fix mistake (need trace->arena here). 
Copied from Perforce
 Change: 190948
 ServerID: perforce.ravenbrook.com
 2016-04-11 19:47:11 +01:00
Gareth Rees
d16b1f6fff Remove printf -- we should use telemetry instead. 
Copied from Perforce
 Change: 190947
 ServerID: perforce.ravenbrook.com
 2016-04-11 19:46:21 +01:00
Gareth Rees
807be66009 Better error reporting. 
Copied from Perforce
 Change: 190944
 ServerID: perforce.ravenbrook.com
 2016-04-11 19:25:46 +01:00
Gareth Rees
6ee4c8534d In change 188204 we avoided creating and progressing traces with nothing condemned. but traces had one other effect: they called arenacompact via tracereclaim. restore the arenacompact for traces that failed to condemn anything. 
Copied from Perforce
 Change: 190931
 ServerID: perforce.ravenbrook.com
 2016-04-11 18:08:08 +01:00
Gareth Rees
86c96d8455 Assert that the range passed to landinsert is not empty. 
Assert that the range passed to ArenaFreeLandInsert is not empty.
Assert that there's address space left over in a chunk after the overheads have been accounted for.

Copied from Perforce
 Change: 190920
 ServerID: perforce.ravenbrook.com
 2016-04-11 16:09:51 +01:00
Gareth Rees
6be12b55ec Branching master to branch/2016-04-11/job003998. 
Copied from Perforce
 Change: 190913
 ServerID: perforce.ravenbrook.com
 2016-04-11 15:55:07 +01:00
Gareth Rees
b8ea44a99f Catch-up merge from master sources to branch/2015-08-11/compact. 
Copied from Perforce
 Change: 190901
 ServerID: perforce.ravenbrook.com
 2016-04-11 14:40:44 +01:00
Richard Brooksby
aeb1eed792 Simplifying manual procedure using "p4 populate". 
Copied from Perforce
 Change: 190714
 ServerID: perforce.ravenbrook.com
 2016-04-05 12:01:38 +01:00
Richard Brooksby
877fa8647c Adding post-branch checklist steps to ensure the branch appears correctly in various places. 
Adding document history, updating copyrights, fixing cross-reference.

Copied from Perforce
 Change: 190711
 ServerID: perforce.ravenbrook.com
 2016-04-05 11:52:42 +01:00
Richard Brooksby
509215f882 Adding step to check the result of the version branch tool before actually making the branch. 
Copied from Perforce
 Change: 190710
 ServerID: perforce.ravenbrook.com
 2016-04-05 11:42:30 +01:00