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src/os/aix/vm/libperfstat_aix.hpp@427b2fb1944f (annotated)
src/os/aix/vm/libperfstat_aix.hpp
Wed, 31 Jan 2018 19:24:57 -0500
- author
- dbuck
- date
- Wed, 31 Jan 2018 19:24:57 -0500
- changeset 9289
- 427b2fb1944f
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright 2012, 2013 SAP AG. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | // encapsulates the libperfstat library. |
| aoqi@0 | 26 | // |
| aoqi@0 | 27 | // The purpose of this code is to dynamically load the libperfstat library |
| aoqi@0 | 28 | // instead of statically linking against it. The libperfstat library is an |
| aoqi@0 | 29 | // AIX-specific library which only exists on AIX, not on PASE. If I want to |
| aoqi@0 | 30 | // share binaries between AIX and PASE, I cannot directly link against libperfstat.so. |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | #ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP |
| aoqi@0 | 33 | #define OS_AIX_VM_LIBPERFSTAT_AIX_HPP |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | #include <libperfstat.h> |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | class libperfstat { |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | public: |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | // Load the libperfstat library (must be in LIBPATH). |
| aoqi@0 | 42 | // Returns true if succeeded, false if error. |
| aoqi@0 | 43 | static bool init(); |
| aoqi@0 | 44 | |
| aoqi@0 | 45 | // cleanup of the libo4 porting library. |
| aoqi@0 | 46 | static void cleanup(); |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | // direct wrappers for the libperfstat functionality. All they do is |
| aoqi@0 | 49 | // to call the functions with the same name via function pointers. |
| aoqi@0 | 50 | static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff, |
| aoqi@0 | 51 | int sizeof_userbuff, int desired_number); |
| aoqi@0 | 52 | |
| aoqi@0 | 53 | static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff, |
| aoqi@0 | 54 | int sizeof_userbuff, int desired_number); |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | static void perfstat_reset(); |
| aoqi@0 | 57 | }; |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | #endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP |
