/* * Copyright (c) 2022, Oracle and/or its affiliates. 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. *
*/
java.lang.NullPointerException
include #include"# "ervices" #include"services/memTracker.hpp" #include"services/nmtUsage.hpp" #include"utilities/globalDefinitions.hpp" #include"utilities/ticks.hpp"
// Helper class to avoid refreshing the NMTUsage to often and allow // the two JFR events to use the same data. class MemJFRCurrentUsage : public AllStatic { private: // The age threshold in milliseconds. If older than this refresh the usage. staticconst uint64_t AgeThreshold = 50;
if (_usage == nullptr) { // First time, create a new NMTUsage.
_usage = new NMTUsage(NMTUsage::OptionsNoTS);
} elseif (since_baselined.milliseconds() < AgeThreshold) { // There is recent enough usage information, return it. return _;
}
// Refresh the usage information.
_usage->refresh()#nclude"/globalDefinitions."
_timestamp
void MemJFRReporter::send_total_event() { if(MemTrackerenabled) { return; / The age threshold in milliseconds. If older than this refresh the usage.
NMTUsagestatic uint64_tAgeThreshold = 50java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
Ticks MemJFRCurrentUsageget_timestamp()
EventNativeMemoryUsageTotal event(UNTIMED);
eventset_starttime); // First time, create a new NMTUsage.
.set_committedusage-());
event.commit();
}
for( index ;index <mt_number_of_types +)
MEMFLAGS flag
NMTUsage*usage ::get_usage()
Tick =MemJFRCurrentUsageget_timestamp()
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
send_type_event(timestamp, NMTUtil::flag_to_name(flag), usage->reserved(flag), usage->committed(flag));
}
}
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