Mercurial > hg > graal-compiler
view src/os/aix/vm/libperfstat_aix.cpp @ 22251:5354474091f7
SPARC: add toString for SizeEstimate.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 20 Jul 2015 14:16:03 +0200 |
parents | 666e6ce3976c |
children |
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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. * */ #include "runtime/arguments.hpp" #include "libperfstat_aix.hpp" // For dlopen and friends #include <fcntl.h> // handle to the libperfstat static void* g_libhandle = NULL; // whether initialization worked static bool g_initialized = false; typedef int (*fun_perfstat_cpu_total_t) (perfstat_id_t *name, perfstat_cpu_total_t* userbuff, int sizeof_userbuff, int desired_number); typedef int (*fun_perfstat_memory_total_t) (perfstat_id_t *name, perfstat_memory_total_t* userbuff, int sizeof_userbuff, int desired_number); typedef void (*fun_perfstat_reset_t) (); static fun_perfstat_cpu_total_t g_fun_perfstat_cpu_total = NULL; static fun_perfstat_memory_total_t g_fun_perfstat_memory_total = NULL; static fun_perfstat_reset_t g_fun_perfstat_reset = NULL; bool libperfstat::init() { if (g_initialized) { return true; } g_initialized = false; // dynamically load the libperfstat porting library. g_libhandle = dlopen("/usr/lib/libperfstat.a(shr_64.o)", RTLD_MEMBER | RTLD_NOW); if (!g_libhandle) { if (Verbose) { fprintf(stderr, "Cannot load libperfstat.a (dlerror: %s)", dlerror()); } return false; } // resolve function pointers #define RESOLVE_FUN_NO_ERROR(name) \ g_fun_##name = (fun_##name##_t) dlsym(g_libhandle, #name); #define RESOLVE_FUN(name) \ RESOLVE_FUN_NO_ERROR(name) \ if (!g_fun_##name) { \ if (Verbose) { \ fprintf(stderr, "Cannot resolve " #name "() from libperfstat.a\n" \ " (dlerror: %s)", dlerror()); \ } \ return false; \ } RESOLVE_FUN(perfstat_cpu_total); RESOLVE_FUN(perfstat_memory_total); RESOLVE_FUN(perfstat_reset); g_initialized = true; return true; } void libperfstat::cleanup() { g_initialized = false; if (g_libhandle) { dlclose(g_libhandle); g_libhandle = NULL; } g_fun_perfstat_cpu_total = NULL; g_fun_perfstat_memory_total = NULL; g_fun_perfstat_reset = NULL; } int libperfstat::perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff, int sizeof_userbuff, int desired_number) { assert(g_initialized, "libperfstat not initialized"); assert(g_fun_perfstat_memory_total, ""); return g_fun_perfstat_memory_total(name, userbuff, sizeof_userbuff, desired_number); } int libperfstat::perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff, int sizeof_userbuff, int desired_number) { assert(g_initialized, "libperfstat not initialized"); assert(g_fun_perfstat_cpu_total, ""); return g_fun_perfstat_cpu_total(name, userbuff, sizeof_userbuff, desired_number); } void libperfstat::perfstat_reset() { assert(g_initialized, "libperfstat not initialized"); assert(g_fun_perfstat_reset, ""); g_fun_perfstat_reset(); }