syscallcompat: add Lgetxattr benchmark
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@ -313,3 +313,11 @@ func TestFstatat(t *testing.T) {
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t.Errorf("symlink size: expected=%d, got=%d", expectedSize, st.Size)
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t.Errorf("symlink size: expected=%d, got=%d", expectedSize, st.Size)
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}
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}
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}
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}
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// BenchmarkLgetxattr benchmarks Lgetxattr. Lgetxattr is very hot as the kernel
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// queries security.capabilities for every file access.
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func BenchmarkLgetxattr(b *testing.B) {
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for i := 0; i < b.N; i++ {
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Lgetxattr("/", "this.attr.does.not.exist")
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}
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}
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