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1275 Commits

Author SHA1 Message Date
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
David Goldblatt
8433ad84ea PA: move in shard initialization. 2020-04-10 13:12:47 -07:00
David Goldblatt
a24faed569 PA: Move in the ecache_t objects. 2020-04-10 13:12:47 -07:00
David Goldblatt
585f925055 Move cache index randomization out of extent. 
This is logically at a higher level of the stack; extent should just allocate
things at the page-level; it shouldn't care exactly why the callers wants a
given number of pages.
 2020-04-10 13:12:47 -07:00
David Goldblatt
12be9f5727 Add a stub PA module -- a page allocator. 2020-04-10 13:12:47 -07:00
Yinan Zhang
c4e9ea8cc6 Get rid of locks in prof recent test 2020-04-07 17:22:24 -07:00
Yinan Zhang
2deabac079 Get rid of custom iterator for last-N records 2020-04-07 17:22:24 -07:00
Yinan Zhang
a5ddfa7d91 Use ql for prof last-N list 2020-04-07 17:22:24 -07:00
Yinan Zhang
ce17af4221 Better structure ql module 2020-04-06 09:50:27 -07:00
Yinan Zhang
4b66297ea0 Add move constructor to ql module 2020-04-06 09:50:27 -07:00
Yinan Zhang
a62b7ed928 Add emptiness checking to ql module 2020-04-06 09:50:27 -07:00
Yinan Zhang
1dd24ca6d2 Add rotate functionality to ql module 2020-04-06 09:50:27 -07:00
Yinan Zhang
0dc95a882f Add concat and split functionality to ql module 2020-04-06 09:50:27 -07:00
Yinan Zhang
1ad06aa53b deduplicate insert and delete logic in qr module 2020-04-06 09:50:27 -07:00
Yinan Zhang
c9d56cddf2 Optimize meld in qr module 
The goal of `qr_meld()` is to change the following four fields
`(a->prev, a->prev->next, b->prev, b->prev->next)` from the values
`(a->prev, a, b->prev, b)` to `(b->prev, b, a->prev, a)`.

This commit changes

```
a->prev->next = b;
b->prev->next = a;
temp = a->prev;
a->prev = b->prev;
b->prev = temp;
```

to

```
temp = a->prev;
a->prev = b->prev;
b->prev = temp;
a->prev->next = a;
b->prev->next = b;
```

The benefit is that we can use `b->prev->next` for `temp`, and so
there's no need to pass in `a_type`.

The restriction is that `b` cannot be a `qr_next()` macro, so users
of `qr_meld()` must pay attention.  (Before this change, neither `a`
nor `b` could be a `qr_next()` macro.)
 2020-04-06 09:50:27 -07:00
Yinan Zhang
f9aad7a49b Add piping API to buffered writer 2020-04-01 09:41:20 -07:00
Yinan Zhang
09cd79495f Encapsulate buffer allocation failure in buffered writer 2020-04-01 09:41:20 -07:00
David Goldblatt
3b4a03b92b Mac: don't declare system functions as nothrow. 
This contradicts the system headers, which can lead to breakages.
 2020-03-26 14:11:24 -07:00
Yinan Zhang
2256ef8961 Add option to fetch system thread name on each prof sample 2020-03-24 21:39:57 -07:00
Yinan Zhang
a5780598b3 Remove thread_event_rollback() 2020-03-12 13:55:00 -07:00
Yinan Zhang
ba783b3a0f Remove prof -> thread_event dependency 2020-03-12 13:55:00 -07:00
Yinan Zhang
441d88d1c7 Rewrite profiling thread event 2020-03-12 13:55:00 -07:00
David Goldblatt
99b1291d17 Edata cache: add edata_cache_small_t. 
This can be used to amortize the synchronization costs of edata_cache accesses.
 2020-03-12 11:58:09 -07:00