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222 Commits

Author SHA1 Message Date
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
Qi Wang
7599c82d48 Redesign the cache bin metadata for fast path. 
Implement the pointer-based metadata for tcache bins --
- 3 pointers are maintained to represent each bin;
- 2 of the pointers are compressed on 64-bit;
- is_full / is_empty done through pointer comparison;

Comparing to the previous counter based design --
- fast-path speed up ~15% in benchmarks
- direct pointer comparison and de-reference
- no need to access tcache_bin_info in common case
 2019-08-19 12:21:44 -07:00
Yinan Zhang
7fc6b1b259 Add buffered writer 
The buffered writer adopts a signature identical to `write_cb`,
so that it can be plugged into anywhere `write_cb` appears.
 2019-08-09 09:44:29 -07:00
Yinan Zhang
07ce2434bf Refactor profiling 
Refactored core profiling codebase into two logical parts:

(a) `prof_data.c`: core internal data structure managing & dumping;
(b) `prof.c`: mutexes & outward-facing APIs.

Some internal functions had to be exposed out, but there are not
that many of them if the modularization is (hopefully) clean enough.
 2019-08-07 19:48:28 -07:00
Yinan Zhang
56126d0d2d Refactor prof log 
Prof logging is conceptually seperate from core profiling, so
split it out as a module of its own.  There are a few internal
functions that had to be exposed but I think it is a fair trade-off.
 2019-08-07 13:53:45 -07:00
Qi Wang
5742473cc8 Revert "Refactor prof log" 
This reverts commit 7618b0b8e4.
 2019-07-29 14:10:15 -07:00
Qi Wang
1a0503367b Revert "Refactor profiling" 
This reverts commit 0b462407ae.
 2019-07-29 14:10:15 -07:00
Yinan Zhang
0b462407ae Refactor profiling 
Refactored core profiling codebase into two logical parts:

(a) `prof_data.c`: core internal data structure managing & dumping;
(b) `prof.c`: mutexes & outward-facing APIs.

Some internal functions had to be exposed out, but there are not
that many of them if the modularization is (hopefully) clean enough.
 2019-07-29 13:55:00 -07:00
Yinan Zhang
7618b0b8e4 Refactor prof log 
`prof.c` is growing too long, so trying to modularize it.  There are
a few internal functions that had to be exposed but I think it is a
fair trade-off.
 2019-07-29 13:55:00 -07:00
Fabrice Fontaine
702d76dbd0 configure.ac: Add an option to disable doc 
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 2019-04-23 15:32:02 -07:00
David Goldblatt
33e1dad680 Safety checks: Add a redzoning feature. 2019-04-15 16:48:12 -07:00
David Goldblatt
b92c9a1a81 Safety checks: Indirect through a function. 
This will let us share code on failure pathways.pathways
 2019-04-15 16:48:12 -07:00