/Users/deen/code/yugabyte-db/src/yb/util/os-util-test.cc
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1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | // |
18 | | // The following only applies to changes made to this file as part of YugaByte development. |
19 | | // |
20 | | // Portions Copyright (c) YugaByte, Inc. |
21 | | // |
22 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
23 | | // in compliance with the License. You may obtain a copy of the License at |
24 | | // |
25 | | // http://www.apache.org/licenses/LICENSE-2.0 |
26 | | // |
27 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
28 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
29 | | // or implied. See the License for the specific language governing permissions and limitations |
30 | | // under the License. |
31 | | // |
32 | | #include <gtest/gtest.h> |
33 | | |
34 | | #include "yb/util/os-util.h" |
35 | | #include "yb/util/status.h" |
36 | | #include "yb/util/test_macros.h" |
37 | | |
38 | | using std::string; |
39 | | |
40 | | namespace yb { |
41 | | |
42 | 3 | void RunTest(const string& name, int user_ticks, int kernel_ticks, int io_wait) { |
43 | 3 | string buf = strings::Substitute(string("0 ($0) S 0 0 0 0 0 0 0") + |
44 | 3 | " 0 0 0 $1 $2 0 0 0 0 0" + |
45 | 3 | " 0 0 0 0 0 0 0 0 0 0 " + |
46 | 3 | " 0 0 0 0 0 0 0 0 0 0 " + |
47 | 3 | " 0 $3 0 0 0 0 0 0 0 0 " + |
48 | 3 | " 0 0", |
49 | 3 | name, user_ticks, kernel_ticks, io_wait); |
50 | 3 | ThreadStats stats; |
51 | 3 | string extracted_name; |
52 | 3 | ASSERT_OK(ParseStat(buf, &extracted_name, &stats)); |
53 | 3 | ASSERT_EQ(name, extracted_name); |
54 | 3 | ASSERT_EQ(user_ticks * (1e9 / sysconf(_SC_CLK_TCK)), stats.user_ns); |
55 | 3 | ASSERT_EQ(kernel_ticks * (1e9 / sysconf(_SC_CLK_TCK)), stats.kernel_ns); |
56 | 3 | ASSERT_EQ(io_wait * (1e9 / sysconf(_SC_CLK_TCK)), stats.iowait_ns); |
57 | 3 | } |
58 | | |
59 | 1 | TEST(OsUtilTest, TestSelf) { |
60 | 1 | RunTest("test", 111, 222, 333); |
61 | 1 | } |
62 | | |
63 | 1 | TEST(OsUtilTest, TestSelfNameWithSpace) { |
64 | 1 | RunTest("a space", 111, 222, 333); |
65 | 1 | } |
66 | | |
67 | 1 | TEST(OsUtilTest, TestSelfNameWithParens) { |
68 | 1 | RunTest("a(b(c((d))e)", 111, 222, 333); |
69 | 1 | } |
70 | | |
71 | | } // namespace yb |