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866231fc61
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1281 Commits

Author SHA1 Message Date
Yinan Zhang
866231fc61 Do not repeat reentrancy test in profiling 2020-08-25 16:49:32 -07:00
Yinan Zhang
20f2479ed7 Do not create size class tables for non-prof builds 2020-08-24 20:10:02 -07:00
Yinan Zhang
8efcdc3f98 Move unbias data to prof_data 2020-08-24 20:10:02 -07:00
David Goldblatt
5e90fd006e Geom_grow: Don't keep the mutex internal. 
We're about to use it in ways that will have external synchronization.
 2020-08-19 16:53:21 -07:00
David Goldblatt
c57494879f Geom_grow: Don't take tsdn at init. 
It's never used.
 2020-08-19 16:53:21 -07:00
David Goldblatt
ffe552223c Geom_grow: Move in advancing logic. 2020-08-19 16:53:21 -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
9e18ae639f Config: safety checks don't imply size checks. 
The commit introducing size checks accidentally enabled them whenever any safety
checks were on.  This ends up causing the regression that splitting up the
features was intended to avoid.  Fix the issue.
 2020-08-12 13:00:19 -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
60993697d8 Prof: Add prof_unbias. 
This gives more accurate attribution of bytes and counts to stack traces,
without introducing backwards incompatibilities in heap-profile parsing tools.
We track the ideal reported (to the end user) number of bytes more carefully
inside core jemalloc.  When dumping heap profiles, insteading of outputting our
counts directly, we output counts that will cause parsing tools to give a result
close to the value we want.

We retain the old version as an opt setting, to let users who are tracking
values on a per-component basis to keep their metrics stable until they decide
to switch.
 2020-08-05 18:33:55 -07:00
David Goldblatt
81c2f841e5 Add a simple utility to detect profiling bias. 2020-08-05 18:33:55 -07:00
Yinan Zhang
978f830ee3 Add batch allocation API 2020-07-31 09:16:50 -07:00
Yinan Zhang
c6f59e9bb4 Add surplus reading API for thread event lookahead 2020-07-31 09:16:50 -07:00
Yinan Zhang
f805468957 Add zero option to arena batch allocation 2020-07-31 09:16:50 -07:00
Yinan Zhang
49e5c2fe7d Add batch allocation from fresh slabs 2020-07-31 09:16:50 -07:00
Yinan Zhang
2bb8060d57 Add empty test and concat for typed list 2020-07-31 09:16:50 -07:00
Yinan Zhang
f28cc2bc87 Extract bin shard selection out of bin locking 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
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
6107857b7b PA->PAC: Move in PAI implementation. 2020-07-09 13:41:04 -07:00
David Goldblatt
6041aaba97 PA -> PAC: Move in destruction functions. 2020-07-09 13:41:04 -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
4ee75be3a3 PA -> PAC: Move in decay_purge enum. 2020-07-09 13:41:04 -07:00
David Goldblatt
72435b0aba PA->PAC: Make extent.c forget about PA. 2020-07-09 13:41:04 -07:00
David Goldblatt
dee5d1c42d PA->PAC: Move in extent_sn. 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
65803171a7 PAC: move in emap 2020-07-09 13:41:04 -07:00
David Goldblatt
7efcb946c4 PAC: Add an init function. 2020-07-09 13:41:04 -07:00
David Goldblatt
722652222a PAC: Move in edata_cache accesses. 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
David Goldblatt
1b5f632e0f Introduce PAI: Page allocator interface 2020-07-09 13:41:04 -07:00
David Goldblatt
3cf19c6e5e atomic: add atomic_load_sub_store 2020-07-09 13:41:04 -07:00
David Goldblatt
ae541d3fab Edata: Reserve some space for hugepages. 2020-07-08 13:20:59 -07:00
David Goldblatt
392f645f4d Edata: split up different list linkage uses. 2020-07-08 13:20:59 -07:00
David Goldblatt
129b727058 Add typed-list module. 
This gives some named convenience wrappers.
 2020-07-08 13:20:59 -07:00
David Carlier
00f06c9beb enabling mpss on solaris/illumos. 
reusing slighty linux configuration as possible, aligning the
 address range to HUGEPAGE.
 2020-07-06 09:59:10 -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
dad821bb22 Move unwind to prof_sys 2020-06-29 14:27:50 -07:00
Yinan Zhang
d128efcb6a Relocate a few prof utilities to the right modules 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
767a2e1790 Move file handling logic in prof 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