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10dab13117
Add a benchmark to test the RAID 6 P/Q functions for more representative block sizes and numbers of disks. This splits the maximum alloc size used for the benchmark from the max size for the kunit test because recovery is currently limited to a single page at a time. Hopefully this will be fixed soon. The runtime numbers are reported in GB/s as the numbers of modern implementations are basically unreadable as MB/s. This means retro-architectures could report 0, but that is an easy tradeoff. Link: https://lore.kernel.org/20260715144825.95432-9-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
76 lines
1.8 KiB
Plaintext
76 lines
1.8 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config XOR_BLOCKS
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tristate
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# selected by architectures that provide an optimized XOR implementation
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config XOR_BLOCKS_ARCH
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depends on XOR_BLOCKS
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default y if ALPHA
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default y if ARM
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default y if ARM64
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default y if CPU_HAS_LSX # loongarch
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default y if ALTIVEC # powerpc
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default y if RISCV_ISA_V
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default y if SPARC
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default y if S390
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default y if X86_32
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default y if X86_64
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bool
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config XOR_KUNIT_TEST
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tristate "KUnit tests for xor_gen" if !KUNIT_ALL_TESTS
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depends on KUNIT
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depends on XOR_BLOCKS
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default KUNIT_ALL_TESTS
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help
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Unit tests for the XOR library functions.
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This is intended to help people writing architecture-specific
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optimized versions. If unsure, say N.
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config XOR_BENCHMARK
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bool "Benchmark for xor_gen"
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depends on XOR_KUNIT_TEST
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help
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Include benchmarks in the KUnit test suite for xor_gen.
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config RAID6_PQ
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tristate
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# selected by architectures that provide an optimized PQ implementation
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config RAID6_PQ_ARCH
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depends on RAID6_PQ
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default y if KERNEL_MODE_NEON # arm32/arm64
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default y if LOONGARCH
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default y if ALTIVEC # powerpc
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default y if RISCV_ISA_V
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default y if S390
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default y if X86
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bool
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config RAID6_PQ_KUNIT_TEST
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tristate "KUnit tests for RAID6 PQ functions" if !KUNIT_ALL_TESTS
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depends on KUNIT
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depends on RAID6_PQ
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default KUNIT_ALL_TESTS
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help
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Unit tests for the RAID6 PQ library functions.
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This is intended to help people writing architecture-specific
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optimized versions. If unsure, say N.
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config RAID6_PQ_KUNIT_BENCHMARK
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bool "Benchmark for RAID6 PQ"
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depends on RAID6_PQ_KUNIT_TEST
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help
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Include benchmarks in the KUnit test suite for raid P/Q generation.
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config RAID6_PQ_BENCHMARK
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bool "Automatically choose fastest RAID6 PQ functions"
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depends on RAID6_PQ
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default y
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help
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Benchmark all available RAID6 PQ functions on init and choose the
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fastest one.
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