David Goldblatt
54c94c1679
flat bitmap: add scount / ucount functions.
...
These can compute the number or set or unset bits in a subrange of the bitmap.
2020-12-07 06:21:08 -08:00
David Goldblatt
734e72ce8f
bit_util: Guarantee popcount's presence.
...
Implement popcount generically, so that we can rely on it being present.
2020-12-07 06:21:08 -08:00
David Goldblatt
d9f7e6c668
hpdata: Add a test.
...
We're about to make the functionality here more complicated; testing hpdata
directly (rather than relying on user's tests) will make debugging easier.
2020-12-07 06:21:08 -08:00
David Goldblatt
f7cf23aa4d
psset: Relegate alloc/dalloc to test code.
...
This is no longer part of the "core" functionality; we only need the stub
implementations as an end-to-end test of hpdata + psset interactions when
metadata is being modified. Treat them accordingly.
2020-12-07 06:21:08 -08:00
David Goldblatt
ca30b5db2b
Introduce hpdata_t.
...
Using an edata_t both for hugepages and the allocations within those hugepages
was convenient at first, but has outlived its usefulness. Representing
hugepages explicitly, with their own data structure, will make future
development easier.
2020-12-07 06:21:08 -08:00
David Goldblatt
4a15008cfb
HPA unit test: skip if unsupported.
...
Previously, we replicated the logic in hpa_supported in the test as well.
2020-12-07 06:21:08 -08:00
David Goldblatt
43af63fff4
HPA: Manage whole hugepages at a time.
...
This redesigns the HPA implementation to allow us to manage hugepages all at
once, locally, without relying on a global fallback.
2020-12-07 06:21:08 -08:00
David Goldblatt
c1b2a77933
psset: Move in stats.
...
A later change will benefit from having these functions pulled into a
psset-module set of functions.
2020-12-07 06:21:08 -08:00
David Goldblatt
d0a991d47b
psset: Add insert/remove functions.
...
These will allow us to (for instance) move pageslabs from a psset dedicated to
not-yet-hugeified pages to one dedicated to hugeified ones.
2020-12-07 06:21:08 -08:00
David Goldblatt
ecd39418ac
Add fxp: A fixed-point math library.
...
This will be used in the next commit to allow non-integer values for
narenas_ratio.
2020-12-04 23:48:19 -08:00
Yinan Zhang
d96e4525ad
Route batch allocation of small batch size to tcache
2020-11-16 20:58:01 -08:00
Yinan Zhang
ac480136d7
Split out locality checking in batch allocation tests
2020-11-16 20:58:01 -08:00
Yinan Zhang
be5e49f4fa
Add a batch mode for cache_bin_alloc()
2020-11-16 20:58:01 -08:00
Yinan Zhang
4a65f34930
Fix a cache bin test
2020-11-16 20:58:01 -08:00
Yinan Zhang
9545c2cd36
Add sample interval to prof last-N dump
2020-11-13 15:33:27 -08:00
David Goldblatt
cf2549a149
Add a per-arena oversize_threshold.
...
This can let manual arenas trade off memory and CPU the way auto arenas do.
2020-11-13 13:45:35 -08:00
David Goldblatt
4ca3d91e96
Rename geom_grow -> exp_grow.
...
This was promised in the review of the introduction of geom_grow, but would have
been painful to do there because of the series that introduced it. Now that
those are comitted, renaming is easier.
2020-11-13 13:42:33 -08:00
David Goldblatt
03a6047111
Edata cache small: rewrite.
...
In previous designs, this was intended to be a sort of cache that couldn't fail.
In the current design, we want to use it just as a contention reduction
mechanism. Rewrite it with those goals in mind.
2020-11-05 12:34:43 -08:00
David Goldblatt
1b3ee75667
Add experimental.thread.activity_callback.
...
This (experimental, undocumented) functionality can be used by users to track
various statistics of interest at a finer level of granularity than the thread.
2020-11-05 12:33:25 -08:00
Qi Wang
bf72188f80
Allow opt.tcache_max to accept small size classes.
...
Previously all the small size classes were cached. However this has downsides
-- particularly when page size is greater than 4K (e.g. iOS), which will result
in much higher SMALL_MAXCLASS.
This change allows tcache_max to be set to lower values, to better control
resources taken by tcache.
2020-10-24 20:43:44 -07:00
David Goldblatt
d16849c91d
psset: Do first-fit based on slab age.
...
This functions more like the serial number strategy of the ecache and
hpa_central_t. Longer-lived slabs are more likely to continue to live for
longer in the future.
2020-10-23 11:14:34 -07:00
David Goldblatt
6599651aee
PA: Use an SEC in fron of the HPA shard.
2020-10-23 11:14:34 -07:00
David Goldblatt
ea51e97bb8
Add SEC module: a small extent cache.
...
This can be used to take pressure off a more centralized, worse-sharded
allocator without requiring a full break of the arena abstraction.
2020-10-23 11:14:34 -07:00
David Goldblatt
534504d4a7
HPA: add size-exclusion functionality.
...
I.e. only allowing allocations under or over certain sizes.
2020-10-23 11:14:34 -07:00
David Goldblatt
1c7da33317
HPA: Tie components into a PAI implementation.
2020-10-23 11:14:34 -07:00
Qi Wang
c8209150f9
Switch from opt.lg_tcache_max to opt.tcache_max
...
Though for convenience, keep parsing lg_tcache_max.
2020-10-22 20:40:41 -07:00
Qi Wang
3de19ba401
Eagerly detect double free and sized dealloc bugs for large sizes.
2020-10-15 10:03:16 -07:00
David Goldblatt
21b70cb540
Add hpa_central module
...
This will be the centralized component of the coming hugepage allocator; the
source of larger chunks of memory from which smaller ones can be obtained.
2020-10-05 19:55:57 -07:00
David Goldblatt
2a6ba121b5
PRNG test: cleanups.
...
Since we no longer have both atomic and non-atomic variants, there's no reason
to try to test both.
2020-10-05 19:55:57 -07:00
David Goldblatt
9e6aa77ab9
PRNG: Remove atomic functionality.
...
These had no uses and complicated the API. As a rule we now expect to only use
thread-local randomization for contention-reduction reasons, so we only pay the
API costs and never get the functionality benefits.
2020-10-05 19:55:57 -07:00
David Goldblatt
259c5e3e8f
psset: Add stats
2020-09-18 12:39:25 -07:00
David Goldblatt
018b162d67
Add psset: a set of pageslabs.
...
This introduces a new sort of edata_t; a pageslab, and a set to manage them.
This is part of a series of a commits to implement a hugepage allocator; the
pageset will be per-arena, and track small page allocations requests within a
larger extent allocated from a centralized hugepage allocator.
2020-09-18 12:39:25 -07:00
David Goldblatt
ed99d300b9
Flat bitmap: Add longest-range computation.
...
This will come in handy in the (upcoming) page-slab set assertions.
2020-09-18 12:39:25 -07:00
David Goldblatt
e034500698
Edata: rename "ranged" bit to "pai".
...
This better represents its intended purpose; the hugepage allocator design
evolved away from needing contiguity of hugepage virtual address space.
2020-09-18 12:39:25 -07:00
Yinan Zhang
09eda2c9b6
Add unit tests for usize in prof recent records
2020-09-09 13:31:35 -07:00
David Goldblatt
131b1b5338
Rename ecache_grow -> geom_grow.
...
We're about to start using it outside of the ecaches, in the HPA central
allocator.
2020-08-19 16:53:21 -07:00
David Goldblatt
b399463fba
flat_bitmap unit test: Silence a warning.
2020-08-17 12:50:27 -07:00
David Goldblatt
b0ffa39cac
Mallctl stress test: fix a type.
...
The mallctlbymib_long helper was copy-pasted from mallctlbymib_short, and
incorrectly used its output variable (a char *) rather than the output variable
of the mallctl call it was using (a uint64_t), causing breakages when
sizeof(char *) differed from sizeof(uint64_t).
2020-08-17 12:50:14 -07:00
David Goldblatt
753bbf1849
Benchmarks: Also print ns / iter.
...
This is often what we really care about. It's not easy to do the division
mentally in all cases.
2020-08-13 10:03:15 -07:00
David Goldblatt
7b187360e9
IO: Support 0-padding for unsigned numbers.
2020-08-13 10:03:15 -07:00
David Goldblatt
32d4673221
Add a mallctl speed stress test.
2020-08-13 10:03:15 -07:00
Yinan Zhang
8f9e958e1e
Add alignment stress test for rallocx
2020-08-11 11:56:43 -07:00
David Goldblatt
eaed1e39be
Add sized-delete size-checking functionality.
...
The existing checks are good at finding such issues (on tcache flush), but not
so good at pinpointing them. Debug mode can find them, but sometimes debug mode
slows down a program so much that hard-to-hit bugs can take a long time to
crash.
This commit adds functionality to keep programs mostly on their fast paths,
while also checking every sized delete argument they get.
2020-08-05 19:34:05 -07:00
David Goldblatt
81c2f841e5
Add a simple utility to detect profiling bias.
2020-08-05 18:33:55 -07:00
Yinan Zhang
e032a1a1de
Add a stress test for batch allocation
2020-08-03 09:36:40 -07:00
Yinan Zhang
f6cf5eb388
Add mallctl for batch allocation API
2020-07-31 09:16:50 -07:00
Yinan Zhang
978f830ee3
Add batch allocation API
2020-07-31 09:16:50 -07:00
David Goldblatt
ddb8dc4ad0
FB: Add range iteration support.
2020-07-30 15:25:23 -07:00
David Goldblatt
ceee823519
Add flat_bitmap.
...
The flat_bitmap module offers an extended API, at the cost of decreased
performance in the case of very large bitmaps.
2020-07-30 15:25:23 -07:00
David Goldblatt
7fde6ac490
Nbits: Add a couple more interesting sizes.
...
Previously, all tests with more than two levels came in powers of 2. It's
usefule to check cases where we have a partially filled group at above the
second level.
2020-07-30 15:25:23 -07:00
David Goldblatt
efeab1f498
bitset test: Pull NBITS_TAB into its own file.
2020-07-30 15:25:23 -07:00
David Goldblatt
22da836094
bit_util: Add fls_ functions; "find last set".
...
These simplify a lot of the bit_util module, which had grown bits and pieces of
this functionality across a variety of places over the years.
While we're here, kill off BIT_UTIL_INLINE and don't do reentrancy testing for
bit_util.
2020-07-30 15:25:23 -07:00
David Goldblatt
1ed0288d9c
bit_util: Change ffs functions indexing.
...
Making these 0-based instead of 1-based makes calling code simpler and will be
more consistent with functions introduced in subsequent diffs.
2020-07-30 15:25:23 -07:00
David Goldblatt
471eb5913c
PAC: Move in decay rate setting.
2020-07-09 13:41:04 -07:00
David Goldblatt
6a2774719f
PA->PAC: Move in decay functions.
2020-07-09 13:41:04 -07:00
David Goldblatt
7391382349
PA->PAC: Move in stats.
2020-07-09 13:41:04 -07:00
David Goldblatt
db211eefbf
PAC: Move in decay.
2020-07-09 13:41:04 -07:00
David Goldblatt
c81e389996
PAC: Move in ecache_grow.
2020-07-09 13:41:04 -07:00
David Goldblatt
777b0ba965
Add PAC: Page allocator classic.
...
For now, this is just a stub containing the ecaches, with no surrounding code
changed. Eventually all the core allocator bits will be moved in, in the
subsequent stack of commits.
2020-07-09 13:41:04 -07:00
Yinan Zhang
c2e7a06392
No need to intercept prof_dump_header() in tests
2020-06-29 14:27:50 -07:00
Yinan Zhang
f58ebdff7a
Generalize prof_cnt_all() for testing
2020-06-29 14:27:50 -07:00
Yinan Zhang
d4259ea53b
Simplify signatures for prof dump functions
2020-06-29 14:27:50 -07:00
Yinan Zhang
1f5fe3a3e3
Pass write callback explicitly in prof_data
2020-06-29 14:27:50 -07:00
Yinan Zhang
4736fb4fc9
Move file handling logic in prof_data to prof_sys
2020-06-29 14:27:50 -07:00
Yinan Zhang
03ae509f32
Create prof_sys module for reading system thread name
2020-06-29 14:27:50 -07:00
Yinan Zhang
8118056c03
Expose prof_data testing internals only in prof tests
2020-06-29 14:27:50 -07:00
Yinan Zhang
5d292b5660
Push error handling logic out of core dumping logic
2020-06-29 14:27:50 -07:00
Yinan Zhang
f307b25804
Only replace the dump file opening function in test
2020-06-29 14:27:50 -07:00
Yinan Zhang
d8cea87562
Move size inspections to test/analyze
2020-06-26 09:45:28 -07:00
Yinan Zhang
537a4bedb4
Add a tool to examine random number distributions
2020-06-26 09:45:28 -07:00
Yinan Zhang
d460333efb
Improve naming for prof system thread name option
2020-06-24 14:32:01 -07:00
Yinan Zhang
b7858abfc0
Expose prof testing internal functions
2020-06-19 09:16:51 -07:00
David Goldblatt
7e09a57b39
stress/sizes: Fix an off-by-one issue.
...
Algorithmically, a size greater than 1024 ZB could access one-past-the-end of
the sizes array. This couldn't really happen since SIZE_MAX is less than 1024
ZB on all platforms we support (and we pick the arguments to this function to be
reasonable anyways), but it's not like there's any reason *not* to fix it,
either.
2020-06-16 10:34:19 -07:00
David Goldblatt
dcfa6fd507
stress/sizes: Add a couple more types.
2020-06-16 10:34:19 -07:00
Jon Haslam
4aea743279
High Resolution Timestamps for Profiling
2020-06-15 12:12:49 -07:00
David Goldblatt
d82a164d0d
Add thread.peak.[read|reset] mallctls.
...
These can be used to track net allocator activity on a per-thread basis.
2020-06-11 13:54:22 -07:00
David Goldblatt
fe7108305a
Add peak_t, for tracking allocator net max.
2020-06-11 13:54:22 -07:00
David Goldblatt
17a64fe91c
Add a small program to print data structure sizes.
2020-06-11 08:13:38 -07:00
Yinan Zhang
857ebd3daf
Make edata pointer on prof recent record an atomic fence
2020-06-09 17:03:05 -07:00
Yinan Zhang
b8bdea6b26
Fix: prof_recent_alloc_max_ctl_read() does not take tsd
2020-06-09 17:03:05 -07:00
David Goldblatt
d338dd45d7
Tcache: Make incremental gc bytes configurable.
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
97b7a9cf77
Add a fill/flush microbenchmark.
2020-05-16 13:34:23 -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
fc052ff728
Migrate counter to use locked int
2020-05-12 08:23:15 -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
2c09d43494
Add a benchmark of large allocations.
2020-05-04 12:36:45 -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
26e9a3103d
PA: Simple decay test.
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
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
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
48a2cd6d79
Decay: Add a (mostly stub) test case.
2020-04-10 13:12:47 -07:00
David Goldblatt
bf55e58e63
Rename test/unit/decay -> test/unit/arena_decay.
...
This is really more of an end-to-end test at the arena level; it's not just of
the decay code in particular any more.
2020-04-10 13:12:47 -07:00
David Goldblatt
acd0bf6a26
PA: move in ecache_grow.
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
David Goldblatt
8da6676a02
Don't do reentrant testing in junk tests.
2020-04-07 15:45:40 -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
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 T. Goldblatt
d936b46d3a
Add malloc_conf_2_conf_harder
...
This comes in handy when you're just a user of a canary system who wants to
change settings set by the configuration system itself.
2020-03-31 06:25:08 -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
ccdc70a5ce
Fix: assertion could abort on past failures
2020-03-18 20:48:26 -07:00
David Goldblatt
2e5899c129
Stats: Fix tcache_bytes reporting.
...
Previously, large allocations in tcaches would have their sizes reduced during
stats estimation. Added a test, which fails before this change but passes now.
This fixes a bug introduced in 5934846612
, which
was itself fixing a bug introduced in 9c0549007d
.
2020-03-13 07:53:34 -07:00
Yinan Zhang
a5780598b3
Remove thread_event_rollback()
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
David Goldblatt
734109d9c2
Edata cache: add a unit test.
2020-03-12 11:58:09 -07:00
David Goldblatt
e732344ef1
Inspect test: Reduce checks when profiling is on.
...
Profiled small allocations don't live in bins, which is contrary to the test
expectation.
2020-03-12 11:58:09 -07:00
David Goldblatt
d701a085c2
Fast path: allow low-water mark changes.
...
This lets us put more allocations on an "almost as fast" path after a flush.
This results in around a 4% reduction in malloc cycles in prod workloads
(corresponding to about a 0.1% reduction in overall cycles).
2020-03-12 11:54:19 -07:00
David Goldblatt
370c1ea007
Cache bin: Write the unit test in terms of the API
...
I.e. stop allowing the unit test to have secret access to implementation
internals.
2020-03-12 11:54:19 -07:00
David Goldblatt
ff6acc6ed5
Cache bin: simplify names and argument ordering.
...
We always start with the cache bin, then its info (if necessary).
2020-03-12 11:54:19 -07:00
David Goldblatt
e1dcc557d6
Cache bin: Only take the relevant cache_bin_info_t
...
Previously, we took an array of cache_bin_info_ts and an index, and dereferenced
ourselves. But infos for other cache_bins aren't relevant to any particular
cache bin, so that should be the caller's job.
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
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
Yinan Zhang
4a78c6d81b
Correct thread event unit test
2020-03-10 09:31:55 -07:00
Yinan Zhang
51bd147422
Make use of assert_* in test/unit/thread_event.c
2020-02-19 16:03:16 -08:00
Yinan Zhang
9d2cc3b0fa
Make use of assert_* in test/unit/prof_recent.c
2020-02-19 16:03:16 -08:00
Yinan Zhang
a88d22ea11
Make use of assert_* in test/unit/inspect.c
2020-02-19 16:03:16 -08:00
Yinan Zhang
0ceb31184d
Make use of assert_* in test/unit/buf_writer.c
2020-02-19 16:03:16 -08:00
Yinan Zhang
fa61579382
Add assert_* functionality to tests
2020-02-19 16:03:16 -08:00
Yinan Zhang
21dfa4300d
Change assert_* to expect_* in tests
...
```
grep -Irl assert_ test/ | xargs sed -i \
's/witness_assert/witness_do_not_replace/g';
grep -Irl assert_ test/ | xargs sed -i \
's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g';
grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \
grep -v "^assert_"; # confirm no output
grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g';
grep -Irl witness_do_not_replace test/ | xargs sed -i \
's/witness_do_not_replace/witness_assert/g';
grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \
's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g';
```
2020-02-19 16:03:16 -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 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
9b5d105fc3
Emap: Move in iealloc.
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This is logically scoped to the emap.
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
Yinan Zhang
68e8ddcaff
Add mallctl for dumping last-N profiling records
2020-02-14 12:46:38 -08:00
Yinan Zhang
bc05ecebf6
Add const qualifier in assert_cmp()
2020-02-14 12:46:38 -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
e896522616
Abbreviate thread-event to te.
2020-02-04 13:07:05 -08:00
Qi Wang
97dd79db6c
Implement deallocation events.
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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
88d9eca848
Enforce page alignment for sampled allocations.
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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
88b0e03a4e
Implement opt.stats_interval and the _opts options.
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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
David Goldblatt
6a622867ca
Add "thread.idle" mallctl.
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This can encapsulate various internal cleaning logic, and can be used to free up
resources before a long sleep.
2020-01-22 18:29:13 -08:00
Yinan Zhang
cd6e908241
Add stress test for last-N profiling mode
2020-01-21 16:51:26 -08:00
Yinan Zhang
a72ea0db60
Restructure and correct sleep utility for testing
2020-01-21 16:51:26 -08:00
Yinan Zhang
2b604a3016
Record request size in prof recent entries
2020-01-10 12:01:01 -08:00
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
3fa142cf39
Remove _externs from prof internal header names
2019-12-23 11:14:15 -08:00
Yinan Zhang
ea42174d07
Refactor profiling headers
2019-12-20 17:17:48 -08:00