| /* |
| * Copyright 2012, 2013 SAP AG. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| // encapsulates the libperfstat library. |
| // |
| // The purpose of this code is to dynamically load the libperfstat library |
| // instead of statically linking against it. The libperfstat library is an |
| // AIX-specific library which only exists on AIX, not on PASE. If I want to |
| // share binaries between AIX and PASE, I cannot directly link against libperfstat.so. |
| |
| #ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP |
| #define OS_AIX_VM_LIBPERFSTAT_AIX_HPP |
| |
| #include <libperfstat.h> |
| |
| class libperfstat { |
| |
| public: |
| |
| // Load the libperfstat library (must be in LIBPATH). |
| // Returns true if succeeded, false if error. |
| static bool init(); |
| |
| // cleanup of the libo4 porting library. |
| static void cleanup(); |
| |
| // direct wrappers for the libperfstat functionality. All they do is |
| // to call the functions with the same name via function pointers. |
| static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff, |
| int sizeof_userbuff, int desired_number); |
| |
| static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff, |
| int sizeof_userbuff, int desired_number); |
| |
| static void perfstat_reset(); |
| }; |
| |
| #endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP |