Mercurial > hg > truffle
annotate src/os/aix/vm/libperfstat_aix.hpp @ 20593:2eda90444a0d
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
Summary: Ensure appropriate min. number of compiler threads (1 for non-tiered, and 2 for tiered)
Reviewed-by: kvn
author | anoll |
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date | Tue, 25 Feb 2014 13:52:37 +0100 |
parents | 666e6ce3976c |
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rev | line source |
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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 |