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annotate src/os/aix/vm/libperfstat_aix.hpp @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 666e6ce3976c
children
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1 /*
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2 * Copyright 2012, 2013 SAP AG. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 // encapsulates the libperfstat library.
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26 //
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27 // The purpose of this code is to dynamically load the libperfstat library
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28 // instead of statically linking against it. The libperfstat library is an
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29 // AIX-specific library which only exists on AIX, not on PASE. If I want to
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30 // share binaries between AIX and PASE, I cannot directly link against libperfstat.so.
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31
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32 #ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP
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33 #define OS_AIX_VM_LIBPERFSTAT_AIX_HPP
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34
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35 #include <libperfstat.h>
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36
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37 class libperfstat {
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38
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39 public:
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40
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41 // Load the libperfstat library (must be in LIBPATH).
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42 // Returns true if succeeded, false if error.
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43 static bool init();
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44
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45 // cleanup of the libo4 porting library.
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46 static void cleanup();
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47
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48 // direct wrappers for the libperfstat functionality. All they do is
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49 // to call the functions with the same name via function pointers.
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50 static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff,
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51 int sizeof_userbuff, int desired_number);
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52
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53 static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff,
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54 int sizeof_userbuff, int desired_number);
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55
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56 static void perfstat_reset();
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57 };
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58
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59 #endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP