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authorJakob Unterwurzacher2021-09-05 12:17:38 +0200
committerJakob Unterwurzacher2021-09-07 18:14:05 +0200
commit6a0206897c83e1f3e4539d6a6c77149167f49626 (patch)
tree595bd444c56beaa2c405a9ba518acf852e06c70e /internal/stupidgcm/openssl.go
parenta2eaa5e3d1d9dfd8cf840076c215d253f82abf4b (diff)
stupidgcm: add BenchmarkCCall
gocryptfs/internal/stupidgcm$ go test -bench . goos: linux goarch: amd64 pkg: github.com/rfjakob/gocryptfs/v2/internal/stupidgcm cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz BenchmarkCCall-4 15864030 78.60 ns/op PASS ok github.com/rfjakob/gocryptfs/v2/internal/stupidgcm 1.898s
Diffstat (limited to 'internal/stupidgcm/openssl.go')
-rw-r--r--internal/stupidgcm/openssl.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/internal/stupidgcm/openssl.go b/internal/stupidgcm/openssl.go
index cb9845e..82ec0a1 100644
--- a/internal/stupidgcm/openssl.go
+++ b/internal/stupidgcm/openssl.go
@@ -108,3 +108,9 @@ func openSSLOpen(a *stupidAEADCommon, dst, iv, in, authData []byte) ([]byte, err
}
return append(dst, buf...), nil
}
+
+// This functions exists to benchmark the C call overhead from Go.
+// See BenchmarkCCall for resuts.
+func noopCFunction() {
+ C.noop_c_function()
+}