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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef ProcStats_DEFINED | 8 #ifndef ProcStats_DEFINED |
9 #define ProcStats_DEFINED | 9 #define ProcStats_DEFINED |
10 | 10 |
11 /** | 11 /** |
12 * ProcStats - Process Statistics Functions | 12 * ProcStats - Process Statistics Functions |
13 */ | 13 */ |
14 | 14 |
15 namespace sk_tools { | 15 namespace sk_tools { |
16 | 16 |
17 /** | 17 /** |
18 * If implemented, returns the maximum resident set size in MB. | 18 * If implemented, returns the maximum resident set size in MB. |
19 * If not, returns -1. | 19 * If not, returns -1. |
20 */ | 20 */ |
21 int getMaxResidentSetSizeMB(); | 21 int getMaxResidentSetSizeMB(); |
22 | 22 |
23 /** | 23 /** |
24 * If implemented, returns the current resident set size in MB. | 24 * If implemented, returns the current resident set size in MB. |
25 * If not, returns -1. | 25 * If not, returns -1. |
26 */ | 26 */ |
27 int getCurrResidentSetSizeMB(); | 27 int getCurrResidentSetSizeMB(); |
28 | 28 |
29 /** | |
30 * If implemented, returns getCurrResidentSetSizeMB(). | |
31 * If not, if implemented, returns getMaxResidentSetSizeMB(). | |
32 * If not, returns -1. | |
33 */ | |
34 inline int getBestResidentSetSizeMB() { | |
35 int mb = getCurrResidentSetSizeMB(); | |
36 return mb >= 0 ? mb : getMaxResidentSetSizeMB(); | |
37 } | |
38 | |
39 } // namespace sk_tools | 29 } // namespace sk_tools |
40 | 30 |
41 #endif // ProcStats_DEFINED | 31 #endif // ProcStats_DEFINED |
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