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Author SHA1 Message Date
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
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
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
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
786a27b9e5 CI: Update keyring. 2020-07-27 15:54:57 -07:00
Yinan Zhang
fb347dc618 Verify output space before doing heavy work in mallctl 2020-07-27 09:48:35 -07:00
Yinan Zhang
f5fb4e5a97 Modify mallctl output length when needed 
This is the only reason why `oldlenp` was designed to be in the form
of a pointer.
 2020-07-27 09:48:35 -07:00
Yinan Zhang
4258402047 Corrections for prof_log_start() 2020-07-22 13:34:49 -07:00
Yinan Zhang
e6cb7a1c9b Shorten wait time for peak events 2020-07-14 09:00:33 -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
cbf096b05e Arena: remove redundant bg inactivity check. 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
f1f4ec315a Tcache: Tweak nslots_max tuning parameter. 
In making these settings configurable, 634afc4124
unintentially changed a tuning parameter (reducing the "goal" max by a factor of
4).  This commit undoes that change.
 2020-07-09 08:58:05 -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
80d18c18c9 Pass prof dump parameters explicitly in prof_sys 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
5d823f3a91 Consolidate struct definitions for prof dump parameters 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
4556d3c0c8 Define structures for prof dump parameters 2020-06-29 14:27:50 -07:00