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287 Commits

Author SHA1 Message Date
Yinan Zhang
14d689c0f9 Add prof stats mutex stats 2021-01-07 20:39:49 -08:00
Yinan Zhang
54f3351f1f Add mallctl for prof stats fetching 2021-01-07 20:39:49 -08:00
Yinan Zhang
40fa4d29d3 Track per size class internal fragmentation 2021-01-07 20:39:49 -08:00
Yinan Zhang
8a56d6b636 Add last-N mutex stats 2020-12-29 09:44:19 -08:00
Yinan Zhang
4557c0a67d Enable ctl on partial mib and partial name 2020-12-18 10:39:58 -08:00
Yinan Zhang
006dd0414e Add partial name-to-mib functionality 2020-12-18 10:39:58 -08:00
Yinan Zhang
f2e1a5be77 Do not fail on partial ctl path for ctl_nametomib() 
We do not fail on partial ctl path when the given `mib` array is
shorter than the given name, and we should keep the behavior the
same in the reverse case, which I feel is also the more natural way.
 2020-12-18 10:39:58 -08:00
Yinan Zhang
6ab181d2b7 Extract node lookup given mib input 2020-12-18 10:39:58 -08:00
Yinan Zhang
3a627b9674 No need to record all nodes in ctl_lookup() 2020-12-18 10:39:58 -08:00
Yinan Zhang
91e006c4c2 Enable ctl_lookup() to start from arbitrary node 2020-12-18 10:39:58 -08:00
David Goldblatt
1e3b8636ff HPA: Remove unused malloc_conf options. 2020-12-08 12:10:48 -08:00
David Goldblatt
3ed0b4e8a3 HPA: Add an nevictions counter. 
I.e. the number of times we've purged a hugepage-sized region.
 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
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
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
David Goldblatt
6599651aee PA: Use an SEC in fron of the HPA shard. 2020-10-23 11:14:34 -07:00
David Goldblatt
1964b08394 HPA: Add stats for the hpa_shard. 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
484f04733e HPA: Add central mutex contention stats. 2020-10-23 11:14:34 -07:00
David Goldblatt
bf025d2ec8 HPA: Make slab sizes and maxes configurable. 
This allows easy experimentation with them as tuning parameters.
 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
Yinan Zhang
f6cf5eb388 Add mallctl for batch allocation API 2020-07-31 09:16:50 -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
David Goldblatt
471eb5913c PAC: Move in decay rate setting. 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
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
d128efcb6a Relocate a few prof utilities to the right modules 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
d460333efb Improve naming for prof system thread name option 2020-06-24 14:32:01 -07:00
Yinan Zhang
a795b19327 Remove beginning define in source files 
```
sed -i "/^#define JEMALLOC_[A-Z_]*_C_$/d" src/*.c;
```
 2020-06-19 12:15:44 -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
6cdac3c573 Tcache: Make flush fractions configurable. 2020-05-16 13:34:23 -07:00
David Goldblatt
7503b5b33a Stats, CTL: Expose new tcache settings. 2020-05-16 13:34:23 -07:00
Yinan Zhang
2097e1945b Unify write callback signature 2020-05-11 14:51:24 -07:00
David Goldblatt
a13fbad374 Tcache: split up fast and slow path data. 2020-04-14 15:20:19 -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
81c6027592 Arena stats: Give it its own "mapped". 
This distinguishes it from the PA mapped stat, which is now named "pa_mapped" to
avoid confusion. The (derived) arena stat includes base memory, and the PA stat
is no longer partially derived.
 2020-04-10 13:12:47 -07:00
David Goldblatt
565045ef71 Arena: Make more derived stats non-atomic/locked. 2020-04-10 13:12:47 -07:00
David Goldblatt
d0c43217b5 Arena stats: Move retained to PA, use plain ints. 
Retained is a property of the allocated pages.  The derived fields no longer
require any locking; they're computed on demand.
 2020-04-10 13:12:47 -07:00
David Goldblatt
436789ad96 PA: Make mapped stat atomic. 
We always have atomic_zu_t, and mapped/unmapped transitions are always expensive
enough that trying to piggyback on a lock is a waste of time.
 2020-04-10 13:12:47 -07:00
David Goldblatt
3c28aa6f17 PA: Move edata_avail stat in, make it non-atomic. 2020-04-10 13:12:47 -07:00
David Goldblatt
f6bfa3dcca Move extent stats to the PA module. 
While we're at it, make them non-atomic -- they are purely derived statistics
(and in fact aren't even in the arena_t or pa_shard_t).
 2020-04-10 13:12:47 -07:00
David Goldblatt
527dd4cdb8 PA: Move in nactive counter. 2020-04-10 13:12:47 -07:00
David Goldblatt
7b62885476 Introduce decay module and put decay objects in PA 2020-04-10 13:12:47 -07:00
David Goldblatt
70d12ffa05 PA: Move mapped into pa stats. 2020-04-10 13:12:47 -07:00