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W. J. van der Laan 21998bc028
Merge bitcoin/bitcoin#22284: p2p, refactor: performance improvements to ProtectEvictionCandidatesByRatio() 
b1d905c225 p2p: earlier continuation when no remaining eviction candidates (Vasil Dimov)
c9e8d8f9b1 p2p: process more candidates per protection iteration (Jon Atack)
02e411ec45 p2p: iterate eviction protection only on networks having candidates (Jon Atack)
5adb064574 bench: add peer eviction protection benchmarks (Jon Atack)
566357f8f7 refactor: move GetRandomNodeEvictionCandidates() to test utilities (Jon Atack)

Pull request description:

  This follow-up to #21261 improves `ProtectEvictionCandidatesByRatio()` for better performance.

  Benchmarks are added; the performance improvement is between 2x and 5x for the benchmarked cases (CPU 2.50GHz, Turbo off, performance mode, Debian Clang 11 non-debug build).

  ```
  $ ./src/bench/bench_bitcoin -filter="EvictionProtection*.*"
  ```

  The refactored code is well-covered by existing unit tests and also a fuzzer.

  - `$ ./src/test/test_bitcoin -t net_peer_eviction_tests`
  - `$ FUZZ=node_eviction ./src/test/fuzz/fuzz ../qa-assets/fuzz_seed_corpus/node_eviction`

ACKs for top commit:
  klementtan:
    Tested and code review ACK b1d905c2.
  vasild:
    ACK b1d905c225
  jarolrod:
    ACK b1d905c225

Tree-SHA512: a3a6607b9ea2fec138da9780c03f63e177b6712091c5a3ddc3804b896a7585216446310280791f5e20cc023d02d2f03a4139237e12b5c1d7f2a1fa1011610e96
2021-07-15 14:49:45 +02:00
..
blockfilter.cpp move-only: Move *Disk functions to blockstorage 2021-04-05 20:26:14 +02:00
blockfilter.h
logging.cpp scripted-diff: remove MakeUnique<T>() 2021-03-11 13:45:14 +08:00
logging.h scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
mining.cpp test/util: Use existing chainman in ::PrepareBlock 2021-06-10 15:04:39 -04:00
mining.h fuzz: Add utxo_snapshot target 2021-05-16 11:34:27 +02:00
net.cpp refactor: move GetRandomNodeEvictionCandidates() to test utilities 2021-07-06 17:28:15 +02:00
net.h refactor: move GetRandomNodeEvictionCandidates() to test utilities 2021-07-06 17:28:15 +02:00
README.md doc: Add documentation for new test/lib 2019-11-06 11:56:53 -05:00
script.cpp fuzz: [refactor] Use IsValidFlagCombination in signature_checker fuzz target 2021-03-30 10:42:45 +02:00
script.h fuzz: [refactor] Use IsValidFlagCombination in signature_checker fuzz target 2021-03-30 10:42:45 +02:00
setup_common.cpp validation: make CChainState::m_mempool optional 2021-07-13 11:11:35 -04:00
setup_common.h [test] make submit optional in CreateValidMempoolTransaction 2021-05-24 14:42:10 +01:00
str.cpp
str.h [test] move string helper functions into test library 2019-11-25 01:33:17 +01:00
transaction_utils.cpp scripted-diff: Bump copyright headers 2020-04-16 13:33:09 -04:00
transaction_utils.h scripted-diff: TxoutType C++11 scoped enum class 2020-06-21 06:41:55 -04:00
validation.cpp test: Mock IBD in net_processing fuzzers 2020-11-07 07:50:59 +01:00
validation.h test: Mock IBD in net_processing fuzzers 2020-11-07 07:50:59 +01:00
wallet.cpp Locking: Lock cs_KeyStore instead of cs_wallet in legacy keyman 2020-01-23 16:34:28 -05:00
wallet.h [test] move wallet helper functions into test library 2019-11-25 16:40:09 +01:00

README.md

Test library

This contains files for the test library, which is used by the test binaries (unit tests, benchmarks, fuzzers, gui tests).

Generally, the files in this folder should be well-separated modules. New code should be added to existing modules or (when in doubt) a new module should be created.

The utilities in here are compiled into a library, which does not hold any state. However, the main file setup_common defines the common test setup for all test binaries. The test binaries will handle the global state when they instantiate the BasicTestingSetup (or one of its derived classes).