initial code repo

[stor4nfv.git] / src / ceph / src / test / test_arch.cc

diff --git a/src/ceph/src/test/test_arch.cc b/src/ceph/src/test/test_arch.cc
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+++ b/src/ceph/src/test/test_arch.cc
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph distributed storage system
+ *
+ * Copyright (C) 2014 Red Hat <contact@redhat.com>
+ *
+ * Author: Loic Dachary <loic@dachary.org>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <stdio.h>
+
+#include "arch/probe.h"
+#include "arch/intel.h"
+#include "arch/arm.h"
+#include "global/global_context.h"
+#include "gtest/gtest.h"
+
+
+#define FLAGS_SIZE 4096
+
+TEST(Arch, all)
+{
+  ceph_arch_probe();
+  EXPECT_TRUE(ceph_arch_probed);
+  
+#if (__arm__ || __aarch64__ || __x86_64__) && __linux__
+  char flags[FLAGS_SIZE];
+  FILE *f = popen("grep '^\\(flags\\|Features\\)[       ]*:' "
+                  "/proc/cpuinfo | head -1", "r");
+  if(f == NULL || fgets(flags, FLAGS_SIZE - 1, f) == NULL) {
+    // silently do nothing if /proc/cpuinfo does exist, is not
+    // readable or does not contain the expected information
+    if (f)
+      pclose(f);
+    return;
+  }
+  pclose(f);
+  flags[strlen(flags) - 1] = ' ';
+
+  int expected;
+
+#if (__arm__ || __aarch64__)
+
+  expected = (strstr(flags, " neon ") || strstr(flags, " asimd ")) ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_neon);
+
+#endif
+#if (__aarch64__)
+
+  expected = strstr(flags, " crc32 ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_aarch64_crc32);
+
+#endif
+#if (__x86_64__)
+
+  expected = strstr(flags, " pclmulqdq ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_pclmul);
+
+  expected = strstr(flags, " sse4_2 ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_sse42);
+
+  expected = strstr(flags, " sse4_1 ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_sse41);
+
+  expected = (strstr(flags, " sse3 ") || strstr(flags, " ssse3 ")) ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_sse3);
+
+  expected = strstr(flags, " ssse3 ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_ssse3);
+
+  expected = strstr(flags, " sse2 ") ? 1 : 0;
+  EXPECT_EQ(expected, ceph_arch_intel_sse2);
+
+#endif
+
+#endif
+}
+
+
+/*
+ * Local Variables:
+ * compile-command: "cd .. ; make -j4 &&
+ *   make unittest_arch &&
+ *   valgrind --tool=memcheck ./unittest_arch --gtest_filter=*.*"
+ * End:
+ */