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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-26 19:59:29 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 17:48:50 +1100 |
| commit | cc79701114154efe79663ba47d9e51aad2ed3c78 (patch) | |
| tree | f8da94f39a5a1fc2a1d3f10814803d5fd889b336 /tools/perf/scripts/python | |
| parent | powerpc/qspinlock: use spin_begin/end API (diff) | |
| download | linux-cc79701114154efe79663ba47d9e51aad2ed3c78.tar.gz linux-cc79701114154efe79663ba47d9e51aad2ed3c78.zip | |
powerpc/qspinlock: reduce remote node steal spins
Allow for a reduction in the number of times a CPU from a different
node than the owner can attempt to steal the lock before queueing.
This could bias the transfer behaviour of the lock across the
machine and reduce NUMA crossings.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221126095932.1234527-15-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions