tests: Move benchmarks into a separate folder

Make it clear that these files are related to benchmarks by moving
them into a new folder called "bench".

Message-Id: <20210312092238.79509-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/bench/meson.build

@@ -0,0 +1,34 @@
+
+qht_bench = executable('qht-bench',
+                       sources: 'qht-bench.c',
+                       dependencies: [qemuutil])
+
+executable('atomic_add-bench',
+           sources: files('atomic_add-bench.c'),
+           dependencies: [qemuutil],
+           build_by_default: false)
+
+executable('atomic64-bench',
+           sources: files('atomic64-bench.c'),
+           dependencies: [qemuutil],
+           build_by_default: false)
+
+benchs = {}
+
+if have_block
+  benchs += {
+     'benchmark-crypto-hash': [crypto],
+     'benchmark-crypto-hmac': [crypto],
+     'benchmark-crypto-cipher': [crypto],
+  }
+endif
+
+foreach bench_name, deps: benchs
+  exe = executable(bench_name, bench_name + '.c',
+                   dependencies: [qemuutil] + deps)
+  benchmark(bench_name, exe,
+            args: ['--tap', '-k'],
+            protocol: 'tap',
+            timeout: 0,
+            suite: ['speed'])
+endforeach