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6d8e616902
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1061 Commits

Author SHA1 Message Date
Yinan Zhang
6d8e616902 Make buffered writer an independent module 2020-01-10 11:59:02 -08:00
Yinan Zhang
6b6b4709b3 Unify buffered writer naming 2020-01-09 14:31:31 -08:00
Yinan Zhang
9a60cf54ec Last-N profiling mode 2019-12-30 15:58:57 -08:00
Yinan Zhang
7a27a05940 Delete tdata states used for cleanup 2019-12-30 15:58:57 -08:00
Yinan Zhang
e98ddf7987 Fix unlikely condition in arena_prof_info_get() 2019-12-30 15:58:57 -08:00
Yinan Zhang
3fa142cf39 Remove _externs from prof internal header names 2019-12-23 11:14:15 -08:00
Yinan Zhang
112dc36dd5 Handle log_mtx during forking 2019-12-20 17:17:48 -08:00
Yinan Zhang
ea42174d07 Refactor profiling headers 2019-12-20 17:17:48 -08:00
David Goldblatt
6342da0970 Ehooks: Further optimize default merge case. 
This avoids the cost of an iealloc in cases where the user uses the default
merge hook without using the default extent hooks.
 2019-12-20 10:18:40 -08:00
David Goldblatt
e210ccc57e Move extent2 -> extent. 
Eventually, we may fully break off the extent module; but not for some time.  If
it's going to live on in a non-transitory state, it might as well have the nicer
name.
 2019-12-20 10:18:40 -08:00
David Goldblatt
2f4fa80414 Rename extents -> ecache. 2019-12-20 10:18:40 -08:00
David Goldblatt
56cc56b692 Break extent split dependence on arena. 2019-12-20 10:18:40 -08:00
David Goldblatt
0aa9769fb0 Break commit functions' arena dependence 2019-12-20 10:18:40 -08:00
David Goldblatt
576d7047ab Ecache: Should know its arena_ind. 
What we call an arena_ind is really the index associated with some particular
set of ehooks; the arena is just the user-visible portion of that.  Making this
explicit, and reframing checks in terms of that, makes the code simpler and
cleaner, and helps us avoid passing the arena itself all throughout extent code.

This lets us put back an arena-specific assert.
 2019-12-20 10:18:40 -08:00
David Goldblatt
372042a082 Remove merge dependence on the arena. 2019-12-20 10:18:40 -08:00
David Goldblatt
9cad5639ff Ehooks: remove arena_ind parameter. 
This lives within the ehooks_t now, so that callers don't need to know it.
 2019-12-20 10:18:40 -08:00
David Goldblatt
57fe99d4be Move relevant index into the ehooks_t itself. 
It's always passed into the ehooks; keeping it colocated lets us avoid passing
the arena everywhere.
 2019-12-20 10:18:40 -08:00
David Goldblatt
c792f3e4ab edata_cache: Remember the associated base_t. 
This will save us some trouble down the line when we stop passing arena pointers
everywhere; we won't have to pass around a base_t pointer either.
 2019-12-20 10:18:40 -08:00
David Goldblatt
ae23e5f426 Unify extent_alloc_wrapper with the other wrappers. 
Previously, it was really more like extents_alloc (it looks in an ecache for an
extent to reuse as its primary allocation pathway).  Make that pathway more
explciitly like extents_alloc, and rename extent_alloc_wrapper_hard accordingly.
 2019-12-20 10:18:40 -08:00
David Goldblatt
d8b0b66c6c Put extent_state_t into ecache as well as eset. 2019-12-20 10:18:40 -08:00
David Goldblatt
98eb40e563 Move delay_coalesce from the eset to the ecache. 2019-12-20 10:18:40 -08:00
David Goldblatt
bb70df8e5b Extent refactor: Introduce ecache module. 
This will eventually completely wrap the eset, and handle concurrency,
allocation, and deallocation.  For now, we only pull out the mutex from the
eset.
 2019-12-20 10:18:40 -08:00
David Goldblatt
0704516245 Ehooks: Add head tracking. 2019-12-20 10:18:40 -08:00
David Goldblatt
09475bf8ac extent_may_dalloc -> ehooks_dalloc_will_fail 2019-12-20 10:18:40 -08:00
David Goldblatt
7859184179 Pull out edata_t caching into its own module. 2019-12-20 10:18:40 -08:00
David Goldblatt
a7862df616 Rename extent_t to edata_t. 
This frees us up from the unfortunate extent/extent2 naming collision.
 2019-12-20 10:18:40 -08:00
David Goldblatt
865debda22 Rename extent.h -> edata.h. 
This name is slightly pithier; a full-on rename will come shortly.
 2019-12-20 10:18:40 -08:00
David Goldblatt
a738a66b5c Ehooks: Add some debug zero and addr checks. 
These help make sure that the ehooks return properly zeroed memory when required
to.
 2019-12-20 10:18:40 -08:00
David Goldblatt
4b2e5ee8b9 Ehooks: Add a "zero" ehook. 
This is the first API expansion.  It lets the hooks pick where and how to purge
within themselves.
 2019-12-20 10:18:40 -08:00
David Goldblatt
403f2d1664 Extents: Split out introspection functionality. 
This isn't really part of the core extent allocation facilities.  Especially as
this module grows, having it in its own place may come in handy.
 2019-12-20 10:18:40 -08:00
David Goldblatt
92a511d385 Make extent module hermetic. 
In the form of extent2.h.  The naming leaves something to be desired, but I'll
leave that for a later diff.
 2019-12-20 10:18:40 -08:00
David Goldblatt
39fdc690a0 Ehooks comments and cleanup. 2019-12-20 10:18:40 -08:00
David Goldblatt
c8dae890c8 Extent -> Ehooks: Move over default hooks. 2019-12-20 10:18:40 -08:00
David Goldblatt
2fe5108263 Extent -> Ehooks: Move merge hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
1fff4d2ee3 Extent -> Ehooks: Move split hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
a5b42a1a10 Extent -> Ehooks: Move purge_forced hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
368baa42ef Extent -> Ehooks: Move purge_lazy hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
d78fe241ac Extent -> Ehooks: Move commit and decommit hooks. 2019-12-20 10:18:40 -08:00
David Goldblatt
5459ec9dae Extent -> Ehooks: Move destroy hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
bac8e2e5a6 Extent -> Ehooks: Move dalloc hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
dc8b4e6e13 Extent -> Ehooks: Move alloc hook. 2019-12-20 10:18:40 -08:00
David Goldblatt
703fbc0ff5 Introduce unsafe reentrancy guards. 
We have to work to circumvent the safety checks in pre_reentrancy when going
down extent hook pathways.  Instead, let's explicitly have checked and unchecked
guards.
 2019-12-20 10:18:40 -08:00
David Goldblatt
ae0d8e8591 Move extent ehook calls into ehooks 2019-12-20 10:18:40 -08:00
David Goldblatt
ba8b9ecbcb Add ehooks module 2019-12-20 10:18:40 -08:00
David Goldblatt
837119a948 base_structs.h: Remove some mid-line tabs. 2019-12-20 10:18:40 -08:00
David Goldblatt
9f6eb09585 Extents: Eagerly initialize extent hooks. 
When deferred initialization was added, initializing required copying
sizeof(extent_hooks_t) bytes after a pointer chase. Today, it's just a single
pointer loaded from the base_t. In subsequent diffs, we'll get rid of even that.
 2019-12-20 10:18:40 -08:00
David Goldblatt
4278f84603 Move extent hook getters/setters to arena.c 
This is where they're logically scoped; they access arena data.
 2019-12-20 10:18:40 -08:00
Qi Wang
d5031ea824 Allow dallocx and sdallocx after tsd destruction. 
After a thread turns into purgatory / reincarnated state, still allow dallocx
and sdallocx to function normally.
 2019-12-19 11:17:03 -08:00
Yinan Zhang
4afd709d1f Restructure setters for profiling info 
Explicitly define three setters:

- `prof_tctx_reset()`: set `prof_tctx` to `1U`, if we don't know in
advance whether the allocation is large or not;
- `prof_tctx_reset_sampled()`: set `prof_tctx` to `1U`, if we already
know in advance that the allocation is large;
- `prof_info_set()`: set a real `prof_tctx`, and also set other
profiling info e.g. the allocation time.

Code structure wise, the prof level is kept as a thin wrapper, the
large level only provides low level setter APIs, and the arena level
carries out the main logic.
 2019-12-17 10:01:28 -08:00
Yinan Zhang
1d01e4c770 Initialization utilities for nstime 2019-12-16 16:08:56 -08:00