Mercurial > hg > truffle
view src/share/vm/runtime/statSampler.hpp @ 1208:cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
Summary: Print "made not compilable" line only for deoptimizations.
Reviewed-by: never
author | kvn |
---|---|
date | Wed, 03 Feb 2010 15:03:22 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2001-2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class StatSamplerTask; /* * The StatSampler class is responsible for periodically updating * sampled PerfData instances and writing the sampled values to the * PerfData memory region. * * In addition it is also responsible for providing a home for * PerfData instances that otherwise have no better home. */ class StatSampler : AllStatic { friend class StatSamplerTask; private: static StatSamplerTask* _task; static PerfDataList* _sampled; static void collect_sample(); static void create_misc_perfdata(); static void create_sampled_perfdata(); static void sample_data(PerfDataList* list); static const char* get_system_property(const char* name, TRAPS); static void create_system_property_instrumentation(TRAPS); public: // Start/stop the sampler static void engage(); static void disengage(); static bool is_active() { return _task != NULL; } static void initialize(); static void destroy(); }; void statSampler_exit();