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1304 Commits

Author SHA1 Message Date
David Goldblatt
fe7108305a Add peak_t, for tracking allocator net max. 2020-06-11 13:54:22 -07:00
Yinan Zhang
3e19ebd2ea Add lock to protect prof last-N dumping 2020-06-09 17:03:05 -07:00
Yinan Zhang
857ebd3daf Make edata pointer on prof recent record an atomic fence 2020-06-09 17:03:05 -07:00
David Goldblatt
6cdac3c573 Tcache: Make flush fractions configurable. 2020-05-16 13:34:23 -07:00
David Goldblatt
ee72bf1cfd Tcache: Add tcache gc delay option. 
This can reduce flushing frequency for small size classes.
 2020-05-16 13:34:23 -07:00
David Goldblatt
d338dd45d7 Tcache: Make incremental gc bytes configurable. 2020-05-16 13:34:23 -07:00
David Goldblatt
ec0b579563 Tcache: Privatize opt_lg_tcache_max default. 2020-05-16 13:34:23 -07:00
David Goldblatt
10b96f6351 Tcache: Remove some unused gc constants. 2020-05-16 13:34:23 -07:00
David Goldblatt
181093173d Tcache: make slot sizing configurable. 2020-05-16 13:34:23 -07:00
David Goldblatt
b58dea8d1b Cache bin: expose ncached_max publicly. 2020-05-16 13:34:23 -07:00
David Goldblatt
634afc4124 Tcache: Make size computation configurable. 2020-05-16 13:34:23 -07:00
Brooks Davis
27f29e424b LQ_QUANTUM should be 4 on mips64 hardware. 
This matches the ABI stack alignment requirements.
 2020-05-14 10:30:37 -07:00
David Goldblatt
eda9c2858f Edata: zero stack edatas before initializing. 
This avoids some UB. No compilers take advantage of it for now, but no sense in
tempting fate.
 2020-05-14 10:30:20 -07:00
Yinan Zhang
dcea2c0f8b Get rid of TSD -> thread event dependency 2020-05-12 09:16:16 -07:00
Yinan Zhang
b06dfb9ccc Push event handlers to constituent modules 2020-05-12 09:16:16 -07:00
Yinan Zhang
abd4674931 Extract out per event postponed wait time fetching 2020-05-12 09:16:16 -07:00
Yinan Zhang
f72014d097 Only compute thread event threshold once per trigger 2020-05-12 09:16:16 -07:00
Yinan Zhang
6de77799de Move thread event wait time update to local 2020-05-12 09:16:16 -07:00
Yinan Zhang
733ae918f0 Extract out per event new wait time fetching 2020-05-12 09:16:16 -07:00
Yinan Zhang
1e2524e15a Do not reset sample wait time when re-initing tdata 2020-05-12 09:16:16 -07:00
Yinan Zhang
855d20f6f3 Remove outdated comments in thread event 2020-05-12 09:16:16 -07:00
Yinan Zhang
fc052ff728 Migrate counter to use locked int 2020-05-12 08:23:15 -07:00
Yinan Zhang
b543c20a94 Minor update to locked int 2020-05-12 08:23:15 -07:00
Yinan Zhang
f533ab6da6 Add forking handling for stats 2020-05-11 15:35:06 -07:00
Yinan Zhang
4d970f8bfc Add forking handling for counter module 2020-05-11 15:35:06 -07:00
Yinan Zhang
2097e1945b Unify write callback signature 2020-05-11 14:51:24 -07:00
Yinan Zhang
fef9abdcc0 Cleanup tcache allocation logic 
The logic in tcache allocation no longer involves profiling or
filling.
 2020-05-11 12:24:56 -07:00
Yinan Zhang
e6cb6919c0 Consolidate prof inline function headers 
The prof inline functions are no longer involved in a circular
dependency, so consolidate the two headers into one.
 2020-05-11 12:24:56 -07:00
Yinan Zhang
d454af90f1 Remove unused prof_accum field from arena 2020-05-11 12:24:56 -07:00
Yinan Zhang
8be5584494 Initialize prof idump counter once rather than once per arena 2020-05-11 12:24:56 -07:00
Yinan Zhang
e10e5059e8 Make prof_idump_accum() non-inline 2020-05-11 12:24:56 -07:00
Yinan Zhang
039bfd4e30 Do not rollback prof idump counter in arena_prof_promote() 2020-05-11 12:24:56 -07:00
David Goldblatt
46471ea327 SC: Name the max lookup constant. 2020-05-04 12:27:07 -07:00
David Goldblatt
79dd0c04ed SC: Simplify SC_NPSIZES computation. 
Rather than taking all the sizes and subtracting out those that don't fit, we
instead just add up all the ones that do.
 2020-05-04 12:27:07 -07:00
David Goldblatt
4f8efba824 TSD: Make rtree_ctx a slow-path field. 
Performance-sensitive users will use sized deallocation facilities, so that
actually touching the rtree_ctx is unnecessary.  We make it the last element of
the slow data, so that it is for practical purposes almost-fast.
 2020-04-14 15:20:19 -07:00
David Goldblatt
cd29ebefd0 Tcache: treat small and large cache bins uniformly 2020-04-14 15:20:19 -07:00
David Goldblatt
a13fbad374 Tcache: split up fast and slow path data. 2020-04-14 15:20:19 -07:00
David Goldblatt
7099c66205 Arena: fill in terms of cache_bins. 2020-04-14 15:20:19 -07:00
David Goldblatt
40e7aed59e TSD: Move in some of the tcache fields. 
We had put these in the tcache for cache optimization reasons.  After the
previous diff, these no longer apply.
 2020-04-14 15:20:19 -07:00
David Goldblatt
58a00df238 TSD: Put all fast-path data together. 2020-04-14 15:20:19 -07:00
David Goldblatt
877af247a8 QL, QR: Add documentation. 2020-04-11 10:32:11 -07:00
David Goldblatt
79ae7f9211 Rtree: Remove the per-field accessors. 
We instead split things into "edata" and "metadata".
 2020-04-10 13:12:47 -07:00
David Goldblatt
bb6a418523 Emap: Drop szind/slab splitting parameters. 
After the previous diff, these are constants.
 2020-04-10 13:12:47 -07:00
David Goldblatt
50289750b3 Extent: Remove szind/slab knowledge. 2020-04-10 13:12:47 -07:00
David Goldblatt
dc26b30094 Rtree: Clean up compact/non-compact split. 2020-04-10 13:12:47 -07:00
David Goldblatt
93b99dd140 Extent: Stop passing an edata_cache everywhere. 
We already pass the pa_shard_t around everywhere; we can just use that.
 2020-04-10 13:12:47 -07:00
David Goldblatt
11c47cb133 Extent: Take "bool zero" over "bool *zero". 2020-04-10 13:12:47 -07:00
David Goldblatt
1a1124462e PA: Take zero as a bool rather than as a bool *. 
Now that we've moved junking to a higher level of the allocation stack, we don't
care about this performance optimization (which only occurred in debug modes).
 2020-04-10 13:12:47 -07:00
David Goldblatt
294b276fc7 PA: Parameterize emap. Move emap_global to arena. 
This lets us test the PA module without interfering with the global emap used by
the real allocator (the one not under test).
 2020-04-10 13:12:47 -07:00
David Goldblatt
f730577277 Eset: Parameterize last globals accesses. 
I.e. opt_retain and maps_coalesce.
 2020-04-10 13:12:47 -07:00
David Goldblatt
7bb6e2dc0d Eset: take opt_lg_max_active_fit as a parameter. 
This breaks its dependence on the global.
 2020-04-10 13:12:47 -07:00
David Goldblatt
883ab327cc Emap: Move out last edata state touching. 2020-04-10 13:12:47 -07:00
David Goldblatt
12eb888e54 Edata: Add a ranged bit. 
We steal the dumpable bit, which we ended up not needing.
 2020-04-10 13:12:47 -07:00
David Goldblatt
bd4fdf295e Rtree: Pull leaf contents into their own struct. 2020-04-10 13:12:47 -07:00
David Goldblatt
faec7219b2 PA: Move in decay initialization. 2020-04-10 13:12:47 -07:00
David Goldblatt
45671e4a27 PA: Move in retain growth limit setting. 2020-04-10 13:12:47 -07:00
David Goldblatt
daefde88fe PA: Move in mutex stats reading. 2020-04-10 13:12:47 -07:00
David Goldblatt
07675840a5 PA: Move in some more internals accesses. 2020-04-10 13:12:47 -07:00
David Goldblatt
238f3c7430 PA: Move in full stats merging. 2020-04-10 13:12:47 -07:00
David Goldblatt
81c6027592 Arena stats: Give it its own "mapped". 
This distinguishes it from the PA mapped stat, which is now named "pa_mapped" to
avoid confusion. The (derived) arena stat includes base memory, and the PA stat
is no longer partially derived.
 2020-04-10 13:12:47 -07:00
David Goldblatt
506d907e40 PA: Move in basic stats merging. 2020-04-10 13:12:47 -07:00
David Goldblatt
f29f6090f5 PA: Add pa_extra.c and put PA forking there. 2020-04-10 13:12:47 -07:00
David Goldblatt
565045ef71 Arena: Make more derived stats non-atomic/locked. 2020-04-10 13:12:47 -07:00
David Goldblatt
d0c43217b5 Arena stats: Move retained to PA, use plain ints. 
Retained is a property of the allocated pages.  The derived fields no longer
require any locking; they're computed on demand.
 2020-04-10 13:12:47 -07:00
David Goldblatt
e2cf3fb1a3 PA: Move in all modifications of mapped. 2020-04-10 13:12:47 -07:00
David Goldblatt
436789ad96 PA: Make mapped stat atomic. 
We always have atomic_zu_t, and mapped/unmapped transitions are always expensive
enough that trying to piggyback on a lock is a waste of time.
 2020-04-10 13:12:47 -07:00
David Goldblatt
3c28aa6f17 PA: Move edata_avail stat in, make it non-atomic. 2020-04-10 13:12:47 -07:00
David Goldblatt
f6bfa3dcca Move extent stats to the PA module. 
While we're at it, make them non-atomic -- they are purely derived statistics
(and in fact aren't even in the arena_t or pa_shard_t).
 2020-04-10 13:12:47 -07:00
David Goldblatt
527dd4cdb8 PA: Move in nactive counter. 2020-04-10 13:12:47 -07:00
David Goldblatt
c075fd0bcb PA: Minor cleanups and comment fixes. 2020-04-10 13:12:47 -07:00
David Goldblatt
46a9d7fc0b PA: Move in rest of purging. 2020-04-10 13:12:47 -07:00
David Goldblatt
2d6eec7b5c PA: Move in decay-all pathway. 2020-04-10 13:12:47 -07:00
David Goldblatt
65698b7f2e PA: Remove public visibility of some internals. 2020-04-10 13:12:47 -07:00
David Goldblatt
f012c43be0 PA: Move in decay_to_limit 2020-04-10 13:12:47 -07:00
David Goldblatt
3034f4a508 PA: Move in decay_stashed. 2020-04-10 13:12:47 -07:00
David Goldblatt
aef28b2f8f PA: Move in stash_decayed. 2020-04-10 13:12:47 -07:00
David Goldblatt
71fc0dc968 PA: Move in remaining page allocation functions. 2020-04-10 13:12:47 -07:00
David Goldblatt
74958567a4 PA: have expand take sizes instead of new usize. 
This avoids involving usize, which makes some of the stats modifications more
intuitively correct.
 2020-04-10 13:12:47 -07:00
David Goldblatt
5bcc2c2ab9 PA: Have expand take szind and slab. 
This isn't really necessary, but having a uniform API will help us later.
 2020-04-10 13:12:47 -07:00
David Goldblatt
0880c2ab97 PA: Have large expands use it. 2020-04-10 13:12:47 -07:00
David Goldblatt
9f93625c14 PA: Move in arena large allocation functionality. 2020-04-10 13:12:47 -07:00
David Goldblatt
7624043a41 PA: Add ehook-getting support. 2020-04-10 13:12:47 -07:00
David Goldblatt
eba35e2e48 Remove extent knowledge of arena. 2020-04-10 13:12:47 -07:00
David Goldblatt
e77f47a85a Move arena decay getters to PA. 2020-04-10 13:12:47 -07:00
David Goldblatt
f77cec311e Decay: Take current time as an argument. 
This better facilitates testing.
 2020-04-10 13:12:47 -07:00
David Goldblatt
d1d7e1076b Decay: move in some background_thread accesses. 2020-04-10 13:12:47 -07:00
David Goldblatt
cdb916ed3f Decay: Add comments for the public API. 2020-04-10 13:12:47 -07:00
David Goldblatt
8f2193dc8d Decay: Move in arena decay functions. 2020-04-10 13:12:47 -07:00
David Goldblatt
7b62885476 Introduce decay module and put decay objects in PA 2020-04-10 13:12:47 -07:00
David Goldblatt
497836dbc8 Arena stats: mark edata_avail as derived. 
The true number is in the edata_cache itself.
 2020-04-10 13:12:47 -07:00
David Goldblatt
3192d6b77d Extents: Have extent_dalloc_gap take ehooks. 
We're almost to the point where the extent code doesn't know about arenas at
all.  In that world, we shouldn't pull them out of the arena.
 2020-04-10 13:12:47 -07:00
David Goldblatt
22a0a7b93a Move arena_decay_extent to extent module. 2020-04-10 13:12:47 -07:00
David Goldblatt
70d12ffa05 PA: Move mapped into pa stats. 2020-04-10 13:12:47 -07:00
David Goldblatt
6ca918d0cf PA: Add a stats comment. 2020-04-10 13:12:47 -07:00
David Goldblatt
ce8c0d6c09 PA: Move in arena extent_sn counter. 
Just another step towards making PA self-contained.
 2020-04-10 13:12:47 -07:00
David Goldblatt
1ad368c8b7 PA: Move in decay stats. 2020-04-10 13:12:47 -07:00
David Goldblatt
356aaa7dc6 Introduce lockedint module. 
This pulls out the various abstractions where some stats counter is sometimes an
atomic, sometimes a plain variable, sometimes always protected by a lock,
sometimes protected by reads but not writes, etc.  With this change, these cases
are treated consistently, and access patterns tagged.

In the process, we fix a few missed-update bugs (where one caller assumes
"protected-by-a-lock" semantics and another does not).
 2020-04-10 13:12:47 -07:00
David Goldblatt
acd0bf6a26 PA: move in ecache_grow. 2020-04-10 13:12:47 -07:00
David Goldblatt
32cb7c2f0b PA: Add a stats type. 2020-04-10 13:12:47 -07:00
David Goldblatt
688fb3eb89 PA: Move in the arena edata_cache. 2020-04-10 13:12:47 -07:00