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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 ") || strstr(flags, " pni ")) ? 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:
*/
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