simpleperf: add whitelist to omit tests requiring hw counters.

Some Socs like i.MX6 Quad doesn't support PMU, so omit tests
requiring hw counters on them.

Bug: 80501046
Test: run CtsSimpleperfTestCase on a device not having
Test: hw counters.
Change-Id: Ibbc0128846d014b47b3f0b36f42992523f8782cd

1 files changed, 13 insertions, 0 deletions

diff --git a/simpleperf/environment.cpp b/simpleperf/environment.cpp
index 0a0a72ca..092e3ea8 100644
--- a/simpleperf/environment.cpp
+++ b/simpleperf/environment.cpp
@@ -727,3 +727,16 @@ int GetAndroidVersion() {
 #endif  // defined(__ANDROID__)
   return 0;
 }
+
+std::string GetHardwareFromCpuInfo(const std::string& cpu_info) {
+  for (auto& line : android::base::Split(cpu_info, "\n")) {
+    size_t pos = line.find(':');
+    if (pos != std::string::npos) {
+      std::string key = android::base::Trim(line.substr(0, pos));
+      if (key == "Hardware") {
+        return android::base::Trim(line.substr(pos + 1));
+      }
+    }
+  }
+  return "";
+}