Fix benchmark names of the IOVec variants.

Little oopsie in naming; the argument was already included in the name.

Bug: 542671322
Change-Id: Idb3c9022b488e0892491c48cc5146c6d6a6a6964
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/100747
Commit-Queue: Rudolf Polzer <rpolzer@google.com>
Reviewed-by: Xiangfei Ding <xfding@google.com>
Commit-Queue: Xiangfei Ding <xfding@google.com>
Auto-Submit: Rudolf Polzer <rpolzer@google.com>

bench/aead.cc

diff --git a/bench/aead.cc b/bench/aead.cc
index bbdfaed..e2d9a99 100644
--- a/bench/aead.cc
+++ b/bench/aead.cc
@@ -263,8 +263,12 @@
 
 void SetInputLengthv(benchmark::Benchmark *bench) {
   // No need to distinguish by name - the IOVec related args suffice to
-  // distinguish them.
-  bench->Name("BM_SpeedAEAD");
+  // distinguish them. This allows later making BM_SpeedAEADv the only one,
+  // while renaming it to BM_SpeedAEAD.
+  const std::string prefix = "BM_SpeedAEADv/";
+  BSSL_CHECK(std::string(bench->GetName()).substr(0, prefix.size()) == prefix);
+  bench->Name(std::string("BM_SpeedAEAD/") +
+              std::string(bench->GetName()).substr(prefix.size()));
 
   bench->ArgNames({"InputSize", "IOVecFirst", "IOVecOthers"});
   auto input_sizes = bench::GetInputSizes(bench);