Mercurial > hg > truffle
view src/os/aix/vm/libperfstat_aix.hpp @ 18159:2d6646ca59be
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 22 Oct 2014 20:33:19 +0200 |
parents | 666e6ce3976c |
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/* * 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