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1b00d808d7
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1120 Commits

Author SHA1 Message Date
David Goldblatt
1b00d808d7 cache_bin: Don't let arena see empty position. 2020-03-12 11:54:19 -07:00
David Goldblatt
d303f30796 cache_bin nflush -> n. 
We're going to use it on the fill pathway as well.
 2020-03-12 11:54:19 -07:00
David Goldblatt
74d36d78ef Cache bin: Make ncached_max a query on the info_t. 2020-03-12 11:54:19 -07:00
David Goldblatt
b66c0973cc cache_bin: Don't allow direct internals access. 2020-03-12 11:54:19 -07:00
David Goldblatt
da68f73296 Move percpu_arena_update. 
It's not really part of the API of the arena; it changes which arena we're using
that API on.
 2020-03-12 11:54:19 -07:00
David Goldblatt
909c501b07 Cache_bin: Shouldn't know about tcache. 
Instead, have it take the cache_bin_info_ts to use by pointer.  While we're
here, add a src file for the cache bin.
 2020-03-12 11:54:19 -07:00
David Goldblatt
79f1ee2fc0 Move junking out of arena/tcache code. 
This is debug only and we keep it off the fast path.  Moving it here simplifies
the internal logic.

This never tries to junk on regions that were shrunk via xallocx.  I think this
is fine for two reasons:
- The shrunk-with-xallocx case is rare.
- We don't always do that anyway before this diff (it depends on the opt
  settings and extent hooks in effect).
 2020-03-12 11:54:19 -07:00
David T. Goldblatt
6c3491ad31 Tcache: Unify bin flush logic. 
The small and large pathways share most of their logic, even if some of the
individual operations are different.  We pull out the common logic into a
force-inlined function, and then specialize twice, once for each value of
"small".
 2020-02-25 10:21:03 -08:00
David T. Goldblatt
9f4fc27389 Ehooks: Fix a build warning. 
We wrote `return some_void_func()` in a function returning void, which is
confusing and triggers warnings on MSVC.
 2020-02-25 10:21:03 -08:00
David T. Goldblatt
162c2bcf31 Background thread: take base as a parameter. 2020-02-18 11:22:09 -08:00
David T. Goldblatt
29436fa056 Break prof and tcache knowledge of b0. 2020-02-18 11:22:09 -08:00
David T. Goldblatt
a0c1f4ac57 Rtree: take the base allocator as a parameter. 
This facilitates better testing by avoiding mixing of the "real" base with the
base used by the rtree under test.
 2020-02-18 11:22:09 -08:00
David T. Goldblatt
7013716aaa Emap: Take (and propagate) a zeroed parameter. 
Rtree needs this, and we should really treat them similarly.
 2020-02-18 11:22:09 -08:00
David T. Goldblatt
182192f83c Base: Pull into a single header. 2020-02-18 11:22:09 -08:00
David T. Goldblatt
34b7165fde Put szind_t, pszind_t in sz.h. 2020-02-18 11:22:09 -08:00
David Goldblatt
7e6c8a7286 Emap: Standardize naming. 
Namespace everything under emap_, always specify what it is we're looking up
(emap_lookup -> emap_edata_lookup), and use "ctx" over "info".
 2020-02-17 10:50:51 -08:00
David Goldblatt
ac50c1e44b Emap: Remove direct access to emap internals. 
In the process, we do a few local cleanups and optimizations.  In particular,
the size safety check on tcache flush no longer does a redundant load.
 2020-02-17 10:50:51 -08:00
David Goldblatt
06e42090f7 Make jemalloc.c use the emap interface. 
While we're here, we'll also clean up some style nits.
 2020-02-17 10:50:51 -08:00
David Goldblatt
f7d9c6c42d Emap: Move in alloc_ctx lookup functionality. 2020-02-17 10:50:51 -08:00
David Goldblatt
65a54d7714 Emap: Move in szind and slab modifications. 2020-02-17 10:50:51 -08:00
David Goldblatt
9b5d105fc3 Emap: Move in iealloc. 
This is logically scoped to the emap.
 2020-02-17 10:50:51 -08:00
David Goldblatt
1d449bd9a6 Emap: Internal rtree context setting. 
The only time sharing an rtree context saves across extent operations isn't a
no-op is when tsd is unavailable.  But this happens only in situations like
thread death or initialization, and we don't care about shaving off every
possible cycle in such scenarios.
 2020-02-17 10:50:51 -08:00
David Goldblatt
08eb1e6c31 Emap: Comments and cleanup 
Document some of the public interface, and hide the functions that are no longer
used outside of the emap module.
 2020-02-17 10:50:51 -08:00
David Goldblatt
231d1477e5 Rename emap_split_prepare_t -> emap_prepare_t. 
Both the split and merge functions use it.
 2020-02-17 10:50:51 -08:00
David Goldblatt
0586a56f39 Emap: Move in merge functionality. 2020-02-17 10:50:51 -08:00
David Goldblatt
040eac77cc Tell edatas their creation arena immediately. 
This avoids having to pass it in anywhere else.
 2020-02-17 10:50:51 -08:00
David Goldblatt
7c7b702064 Emap: Move over metadata splitting logic. 2020-02-17 10:50:51 -08:00
David Goldblatt
44f5f53605 Emap: Move over deregistration functions. 2020-02-17 10:50:51 -08:00
David Goldblatt
6513d9d923 Emap: Move over deregistration boundary functions. 2020-02-17 10:50:51 -08:00
David Goldblatt
9b5ca0b09d Emap: Move in slab interior registration. 2020-02-17 10:50:51 -08:00
David Goldblatt
d05b61db4a Emap: Move extent boundary registration in. 2020-02-17 10:50:51 -08:00
David Goldblatt
ca21ce4071 Emap: Move in write_acquired from extent. 2020-02-17 10:50:51 -08:00
David Goldblatt
01f255161c Add emap, for tracking extent locking. 2020-02-17 10:50:51 -08:00
Qi Wang
ba0e35411c Rework the bin locking around tcache refill / flush. 
Previously, tcache fill/flush (as well as small alloc/dalloc on the arena) may
potentially drop the bin lock for slab_alloc and slab_dalloc.  This commit
refactors the logic so that the slab calls happen in the same function / level
as the bin lock / unlock.  The main purpose is to be able to use flat combining
without having to keep track of stack state.

In the meantime, this change reduces the locking, especially for slab_dalloc
calls, where nothing happens after the call.
 2020-02-13 23:31:54 -08:00
Kamil Rytarowski
7fd22f7b2e Fix Undefined Behavior in hash.h 
hash.h:200:27, left shift of 250 by 24 places cannot be represented in type 'int'
 2020-02-13 12:25:26 -08:00
Yinan Zhang
9cac3fa8f5 Encapsulate buffer allocation in buffered writer 2020-02-04 13:21:58 -08:00
Yinan Zhang
bdc08b5158 Better naming buffered writer 2020-02-04 13:21:58 -08:00
Qi Wang
c6bfe55857 Update the tsd description. 2020-02-04 13:07:05 -08:00
Qi Wang
e896522616 Abbreviate thread-event to te. 2020-02-04 13:07:05 -08:00
Qi Wang
5e500523a0 Remove thread_event_boot(). 2020-02-04 00:18:15 -08:00
Qi Wang
97dd79db6c Implement deallocation events. 
Make the event module to accept two event types, and pass around the event
context.  Use bytes-based events to trigger tcache GC on deallocation, and get
rid of the tcache ticker.
 2020-02-04 00:18:15 -08:00
Qi Wang
974222c626 Add safety check on sdallocx slow / sampled path. 2020-01-31 00:04:22 -08:00
Qi Wang
88d9eca848 Enforce page alignment for sampled allocations. 
This allows sampled allocations to be checked through alignment, therefore
enable sized deallocation regardless of cache_oblivious.
 2020-01-31 00:04:22 -08:00
Qi Wang
0f552ed673 Don't purge huge extents when decay is off. 2020-01-30 14:40:38 -08:00
Qi Wang
38a48e5741 Set reentrancy to 1 for tsd_state_purgatory. 
Reentrancy is already set for other non-nominal tsd states (reincarnated and
minimal_initialized).  Add purgatory to be safe and consistent.
 2020-01-30 13:55:20 -08:00
Qi Wang
88b0e03a4e Implement opt.stats_interval and the _opts options. 
Add options stats_interval and stats_interval_opts to allow interval based stats
printing.  This provides an easy way to collect stats without code changes,
because opt.stats_print may not work (some binaries never exit).
 2020-01-29 09:57:55 -08:00
Qi Wang
d71a145ec1 Chagne prof_accum_t to counter_accum_t for general purpose. 2020-01-29 09:57:55 -08:00
Yinan Zhang
f81341a48b Fallback to unbuffered printing if OOM 2020-01-21 17:09:44 -08:00
David Goldblatt
bd3be8e0b1 Remove commit parameter to ecache functions. 
No caller ever wants uncommitted memory.
 2020-01-17 10:54:56 -08:00
Qi Wang
dab81bd315 Rework and fix the assertions on malloc fastpath. 
The first half of the malloc fastpath may execute before malloc_init.  Make the
assertions work in that case.
 2020-01-14 15:00:41 -08:00