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233 Commits

Author SHA1 Message Date
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
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
32d4673221 Add a mallctl speed stress test. 2020-08-13 10:03:15 -07:00
David Goldblatt
38867c5c17 Makefile: alphabetize stress/analyze utilities. 2020-08-13 10:03:15 -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
978f830ee3 Add batch allocation API 2020-07-31 09:16:50 -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
7efcb946c4 PAC: Add an init function. 2020-07-09 13:41:04 -07:00
Yinan Zhang
03ae509f32 Create prof_sys module for reading system thread name 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
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
092fcac0b4 Remove unnecessary source files 2020-06-19 12:15:44 -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
David Goldblatt
97b7a9cf77 Add a fill/flush microbenchmark. 2020-05-16 13:34:23 -07:00
David Goldblatt
2c09d43494 Add a benchmark of large allocations. 2020-05-04 12:36:45 -07:00
David Goldblatt
26e9a3103d PA: Simple decay test. 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
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
4d090d23f1 Decay: Introduce a stub .c file. 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
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
David Goldblatt
734109d9c2 Edata cache: add a unit test. 2020-03-12 11:58:09 -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
01f255161c Add emap, for tracking extent locking. 2020-02-17 10:50:51 -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
a72ea0db60 Restructure and correct sleep utility for testing 2020-01-21 16:51:26 -08:00
Yinan Zhang
6d8e616902 Make buffered writer an independent module 2020-01-10 11:59:02 -08:00
Yinan Zhang
9a60cf54ec Last-N profiling mode 2019-12-30 15:58:57 -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
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
7859184179 Pull out edata_t caching into its own module. 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
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
ba8b9ecbcb Add ehooks module 2019-12-20 10:18:40 -08:00
Qi Wang
9c59abe42a Fix a typo in Makefile. 2019-11-11 12:17:08 -08:00
Yinan Zhang
152c0ef954 Build a general purpose thread event handler 2019-11-04 11:15:50 -08:00
David T. Goldblatt
de81a4eada Add stats counters for number of zero reallocs 2019-10-29 17:48:44 -07:00
David T. Goldblatt
9cfa805947 Realloc: Make behavior of realloc(ptr, 0) configurable. 2019-10-29 17:48:44 -07:00
David T. Goldblatt
e6180fe1b4 Eset: Add a source file. 
This will let us move extents_* functions over one by one.
 2019-09-23 23:06:27 -07:00
David T. Goldblatt
723ccc6c27 Extents: Split out extent struct. 2019-09-23 23:06:27 -07:00