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comparison: src/os/aix/vm/libperfstat_aix.hpp
src/os/aix/vm/libperfstat_aix.hpp
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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 |
