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| author | Scott Wood <scottwood@freescale.com> | 2015-04-02 22:14:11 -0500 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-06-02 21:37:19 -0500 |
| commit | c89ca8ab7457d891abdffca7e6f5e74cef670d6d (patch) | |
| tree | 18ac7b62e33d0b8c640ca3ea06404be150fa75e7 /tools/perf/scripts/python/bin/export-to-postgresql-record | |
| parent | powerpc/dts: Unify B4 mux nodes (diff) | |
| download | linux-c89ca8ab7457d891abdffca7e6f5e74cef670d6d.tar.gz linux-c89ca8ab7457d891abdffca7e6f5e74cef670d6d.zip | |
powerpc/e6500: Optimize hugepage TLB misses
Some workloads take a lot of TLB misses despite using traditional
hugepages. Handle these TLB misses in the asm fastpath rather than
going through a bunch of C code. With this patch I measured around a
5x speedup in handling hugepage TLB misses.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-record')
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