Commit Graph

271 Commits

Author SHA1 Message Date
Robert Baldyga
716b5751d6 Redesign failover standby API
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-12-29 20:31:40 +01:00
Robert Baldyga
cac5869406
Merge pull request #603 from robertbaldyga/metadata-flapping
Introduce flapping of metadata config sections
2021-12-15 17:11:15 +01:00
Robert Baldyga
98cb9bff70 pyocf: Use bigger cache device size in tests
As amount of fixed size metadata allocated by OCF grows, we need to adjust
test to not try to start cache on device that is too small.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-12-15 15:30:34 +01:00
Robert Baldyga
6d1a5c733e pyocf: Add missing error codes
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-12-13 15:58:59 +01:00
Rafal Stefanowski
decfc8dea6 Remove executable bit from Makefile
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2021-11-24 17:01:03 +01:00
Rafal Stefanowski
f22da1cde7 Fix license
Change license to BSD-3-Clause

Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2021-10-28 13:08:50 +02:00
Krzysztof Majzerowicz-Jaszcz
71262d5097 Cache standby mode API changes
Error for an invalid cache operation while in passive mode added

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

Error name correction

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

API changes for passive cache mode

Moved the passive cache error return source to the api for flush and
set_param

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

Further API changes for passive cache mode

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

 Passive api - review changes

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
2021-10-22 15:10:53 +02:00
Michal Mielewczyk
ad536d9ad9 pyocf: fix cache attach config struct
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
Signed-off-by: ajrutkow <adam.j.rutkowski@intel.com>
2021-10-08 16:04:14 +02:00
Robert Baldyga
7d43aae3a0 pyocf: Add new error codes
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-09-06 20:44:40 +02:00
Robert Baldyga
865d29d0cb
Merge pull request #527 from arutk/clc_ut_fix
fix debug logs in cacheline concurrency UT tests
2021-07-29 23:18:16 +02:00
Michal Mielewczyk
a072e071e2 Remove metadata updated from security tests
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-07-29 09:51:29 +02:00
Michal Mielewczyk
1620c544a1 pyocf: update cleaning policy switching test
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-07-27 15:44:33 +02:00
Michal Mielewczyk
a94677f433 Fix cleaning UT
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-07-27 15:44:33 +02:00
Michal Mielewczyk
92f9c3d532 UT framework: fix misspelled variable name
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-07-27 15:44:18 +02:00
Kozlowski Mateusz
f494448f97 Align structures to cacheline
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
2021-07-08 12:46:39 +02:00
Michal Mielewczyk
98d2ce0264 pyocf: test for removing dirty core
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-06-28 17:40:49 +02:00
Adam Rutkowski
3775ab0e37 fix debug logs in cacheline concurrency UT tests
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-26 16:55:25 +02:00
Adam Rutkowski
1e1955b833 lru refactor
rearanging lru implementation for easier journaling

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-21 22:32:57 +02:00
Adam Rutkowski
07cbba32f6 remove stale references to eviction
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
33e2beac24 Rename "evp_lru*" functions to "ocf_lru*"
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
b1143374a8 Move eviction files to new locations
src/eviction/lru.c -> src/ocf_lru.c
src/eviction/lru.h -> src/ocf_lru.h
src/eviction/lru_structs.h -> src/ocf_lru_structs.h
src/eviction/eviction.c -> src/ocf_space.c
src/eviction/eviction.h -> src/ocf_space.h

.. as well as corresponding UT files.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

... in UT as well

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
7c0f940876 Replace eviction with lru in metadata structs
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
88e04a4204 Remove eviction policy abstraction
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
77bccba036 do not track hotness on free lru list
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
fac35d34a2 Rename "evict" to "remap" across the entire repo
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
4f217b91a5 Remove partition list
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:19:08 +02:00
Adam Rutkowski
87f834c793 Move common user and freelist partition data to a new struct
New structure ocf_part is added to contain all the data common for both
user partitions and freelist partition: part_runtime and part_id.
ocf_user_part now contains ocf_part structure as well as pointer to
cleaning partition runtime metadata (moved out from part_runtime) and
user partition config (no change here).

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-18 12:07:10 +02:00
Kozlowski Mateusz
367fcbfe4e Update debug prints and methods
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
2021-06-16 13:48:37 +02:00
Kozlowski Mateusz
c17b587444 Update cache line concurrency unit tests
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
2021-06-16 13:48:37 +02:00
Kozlowski Mateusz
ce316cc67c Change alock API to include slow/fast lock callbacks
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
2021-06-16 13:48:35 +02:00
Adam Rutkowski
f589341c9a remove metadata updater
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-15 10:25:05 +02:00
Jan Musial
9f1df6e380 Update pyOCF and tests
Signed-off-by: Jan Musial <jan.musial@intel.com>
2021-05-26 07:57:37 +02:00
Michal Mielewczyk
d5ae764175 pyocf: fix valid seq cutoff threshold range
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-04-15 11:09:26 +02:00
Michal Mielewczyk
0bfa9ed870 pyocf: Seq-cutoff promotion count security tests
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-04-14 15:40:29 +02:00
Michal Mielewczyk
8e0bb49493 functional test for eviction between cores
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-04-01 18:01:28 -05:00
Kozlowski Mateusz
3f9af8bd82 Update pyocf types to new field order
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
2021-03-26 08:57:04 +01:00
Michal Mielewczyk
92a5ddd524 ut framework: don't mock env functions
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-19 16:08:27 +01:00
Michal Mielewczyk
0d3f3cde14 Return error when modifying default ioclass rule
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-19 16:06:23 +01:00
Robert Baldyga
8020e7fd67
Merge pull request #457 from Ostrokrzew/false_stats
Fix broken 'dirty_for' stats
2021-03-18 10:24:02 +01:00
Michał Mielewczyk
d2b5de7970
Merge pull request #448 from robertbaldyga/perqueue-seq-cutoff
Per-queue multi-stream sequential cutoff
2021-03-05 14:38:21 +01:00
Adam Rutkowski
81fc7ab5c5 Parallel eviction
Eviction changes allowing to evict (remap) cachelines while
holding hash bucket write lock instead of global metadata
write lock.

As eviction (replacement) is now tightly coupled with request,
each request uses eviction size equal to number of its
unmapped cachelines.

Evicting without global metadata write lock is possible
thanks to the fact that remaping is always performed
while exclusively holding cacheline (read or write) lock.
So for a cacheline on LRU list we acquire cacheline lock,
safely resolve hash and consequently write-lock hash bucket.
Since cacheline lock is acquired under hash bucket (everywhere
except for new eviction implementation), we are certain that
noone acquires cacheline lock behind our back. Concurrent
eviction threads are eliminated by holding eviction list
lock for the duration of critial locking operations.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-03-05 11:20:47 +01:00
Robert Baldyga
9352c881ab tests: Update sequential cutoff tests
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-03-04 16:38:31 +01:00
Robert Baldyga
ac9bd5b094
Merge pull request #453 from arutk/no_cl_gl_lock
Skip cacheline concurrency global lock in fast path
2021-03-04 12:33:50 +01:00
Michal Mielewczyk
3a26bc56cd pyocf: improve test logging
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 18:37:58 +01:00
Michal Mielewczyk
7f862c3080 pyocf: improve random string generator
Set of random characters may be exteded with a custom list.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 18:37:58 +01:00
Michal Mielewczyk
a81be31dd4 pyocf: default range for int16
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 18:37:58 +01:00
Michal Mielewczyk
c4a2dc4cad pyocf: security tests for ioclass api
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 18:37:58 +01:00
Michal Mielewczyk
fa556247d7 pyocf: change encoding of ioclass name
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 14:46:57 +01:00
Michal Mielewczyk
080e13a071 pyocf: valid ranges for ioclass config values
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 14:46:57 +01:00
Michal Mielewczyk
06edc48717 pyocf: remove min_size from ioclass config
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2021-03-02 14:46:57 +01:00