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8243208: Clean up JVMFlag implementation

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Reviewed-by: dholmes, coleenp, gziemski
This commit is contained in:
Ioi Lam 2020-09-11 04:05:18 +00:00
parent 976acddeb5
commit 5144190ea0
45 changed files with 1586 additions and 1364 deletions
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32
src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2020, 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
@ -25,6 +25,7 @@
#include "precompiled.hpp"
#include "runtime/arguments.hpp"
#include "runtime/flags/jvmFlag.hpp"
#include "runtime/flags/jvmFlagLimit.hpp"
#include "runtime/flags/jvmFlagConstraintsRuntime.hpp"
#include "runtime/globals.hpp"
#include "runtime/safepointMechanism.hpp"
@ -131,3 +132,32 @@ JVMFlag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose) {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error VMPageSizeConstraintFunc(uintx value, bool verbose) {
uintx min = (uintx)os::vm_page_size();
if (value < min) {
JVMFlag::printError(verbose,
"%s %s=" UINTX_FORMAT " is outside the allowed range [ " UINTX_FORMAT
" ... " UINTX_FORMAT " ]\n",
JVMFlagLimit::last_checked_flag()->_type,
JVMFlagLimit::last_checked_flag()->_name,
value, min, max_uintx);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error NUMAInterleaveGranularityConstraintFunc(size_t value, bool verbose) {
size_t min = os::vm_allocation_granularity();
size_t max = NOT_LP64(2*G) LP64_ONLY(8192*G);
if (value < min || value > max) {
JVMFlag::printError(verbose,
"size_t NUMAInterleaveGranularity=" UINTX_FORMAT " is outside the allowed range [ " UINTX_FORMAT
" ... " UINTX_FORMAT " ]\n", value, min, max);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}