Mercurial > hg > truffle
comparison src/os/aix/vm/libperfstat_aix.hpp @ 14415:666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
Reviewed-by: kvn
author | simonis |
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date | Fri, 06 Sep 2013 20:16:09 +0200 |
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1 /* | |
2 * Copyright 2012, 2013 SAP AG. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 // encapsulates the libperfstat library. | |
26 // | |
27 // The purpose of this code is to dynamically load the libperfstat library | |
28 // instead of statically linking against it. The libperfstat library is an | |
29 // AIX-specific library which only exists on AIX, not on PASE. If I want to | |
30 // share binaries between AIX and PASE, I cannot directly link against libperfstat.so. | |
31 | |
32 #ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP | |
33 #define OS_AIX_VM_LIBPERFSTAT_AIX_HPP | |
34 | |
35 #include <libperfstat.h> | |
36 | |
37 class libperfstat { | |
38 | |
39 public: | |
40 | |
41 // Load the libperfstat library (must be in LIBPATH). | |
42 // Returns true if succeeded, false if error. | |
43 static bool init(); | |
44 | |
45 // cleanup of the libo4 porting library. | |
46 static void cleanup(); | |
47 | |
48 // direct wrappers for the libperfstat functionality. All they do is | |
49 // to call the functions with the same name via function pointers. | |
50 static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff, | |
51 int sizeof_userbuff, int desired_number); | |
52 | |
53 static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff, | |
54 int sizeof_userbuff, int desired_number); | |
55 | |
56 static void perfstat_reset(); | |
57 }; | |
58 | |
59 #endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP |