diff options
| author |   Huacai Chen <chenhuacai@loongson.cn> | 2022-08-06 15:19:33 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-08-12 13:10:11 +0800 |
| commit | dce6098b22d58e5b646b1c67174c53f5a6a05605 (patch) | |
| tree | 0658f8ef3b5efcf58a386100c02b1930bbd9eea0 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | LoongArch: Add PCI controller support (diff) | |
| download | linux-dev-dce6098b22d58e5b646b1c67174c53f5a6a05605.tar.xz linux-dev-dce6098b22d58e5b646b1c67174c53f5a6a05605.zip | |
LoongArch: Add vDSO syscall __vdso_getcpu()
We test 20 million times of getcpu(), the real syscall version take 25
seconds, while the vsyscall version take only 2.4 seconds.
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions