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597 Commits

Author SHA1 Message Date
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