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src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp

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*** 24,50 **** #include "precompiled.hpp" #include "runtime/arguments.hpp" #include "runtime/flags/jvmFlag.hpp" #include "runtime/flags/jvmFlagConstraintsRuntime.hpp" - #include "runtime/flags/jvmFlagRangeList.hpp" #include "runtime/globals.hpp" #include "runtime/safepointMechanism.hpp" #include "runtime/task.hpp" - #include "utilities/defaultStream.hpp" JVMFlag::Error ObjectAlignmentInBytesConstraintFunc(intx value, bool verbose) { if (!is_power_of_2(value)) { ! CommandLineError::print(verbose, "ObjectAlignmentInBytes (" INTX_FORMAT ") must be " "power of 2\n", value); return JVMFlag::VIOLATES_CONSTRAINT; } // In case page size is very small. if (value >= (intx)os::vm_page_size()) { ! CommandLineError::print(verbose, "ObjectAlignmentInBytes (" INTX_FORMAT ") must be " "less than page size (" INTX_FORMAT ")\n", value, (intx)os::vm_page_size()); return JVMFlag::VIOLATES_CONSTRAINT; } --- 24,48 ---- #include "precompiled.hpp" #include "runtime/arguments.hpp" #include "runtime/flags/jvmFlag.hpp" #include "runtime/flags/jvmFlagConstraintsRuntime.hpp" #include "runtime/globals.hpp" #include "runtime/safepointMechanism.hpp" #include "runtime/task.hpp" JVMFlag::Error ObjectAlignmentInBytesConstraintFunc(intx value, bool verbose) { if (!is_power_of_2(value)) { ! JVMFlag::printError(verbose, "ObjectAlignmentInBytes (" INTX_FORMAT ") must be " "power of 2\n", value); return JVMFlag::VIOLATES_CONSTRAINT; } // In case page size is very small. if (value >= (intx)os::vm_page_size()) { ! JVMFlag::printError(verbose, "ObjectAlignmentInBytes (" INTX_FORMAT ") must be " "less than page size (" INTX_FORMAT ")\n", value, (intx)os::vm_page_size()); return JVMFlag::VIOLATES_CONSTRAINT; }
*** 53,63 **** // Need to enforce the padding not to break the existing field alignments. // It is sufficient to check against the largest type size. JVMFlag::Error ContendedPaddingWidthConstraintFunc(intx value, bool verbose) { if ((value % BytesPerLong) != 0) { ! CommandLineError::print(verbose, "ContendedPaddingWidth (" INTX_FORMAT ") must be " "a multiple of %d\n", value, BytesPerLong); return JVMFlag::VIOLATES_CONSTRAINT; } else { --- 51,61 ---- // Need to enforce the padding not to break the existing field alignments. // It is sufficient to check against the largest type size. JVMFlag::Error ContendedPaddingWidthConstraintFunc(intx value, bool verbose) { if ((value % BytesPerLong) != 0) { ! JVMFlag::printError(verbose, "ContendedPaddingWidth (" INTX_FORMAT ") must be " "a multiple of %d\n", value, BytesPerLong); return JVMFlag::VIOLATES_CONSTRAINT; } else {
*** 65,75 **** } } JVMFlag::Error BiasedLockingBulkRebiasThresholdFunc(intx value, bool verbose) { if (value > BiasedLockingBulkRevokeThreshold) { ! CommandLineError::print(verbose, "BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ") must be " "less than or equal to BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")\n", value, BiasedLockingBulkRevokeThreshold); return JVMFlag::VIOLATES_CONSTRAINT; } else { --- 63,73 ---- } } JVMFlag::Error BiasedLockingBulkRebiasThresholdFunc(intx value, bool verbose) { if (value > BiasedLockingBulkRevokeThreshold) { ! JVMFlag::printError(verbose, "BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ") must be " "less than or equal to BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")\n", value, BiasedLockingBulkRevokeThreshold); return JVMFlag::VIOLATES_CONSTRAINT; } else {
*** 77,87 **** } } JVMFlag::Error BiasedLockingStartupDelayFunc(intx value, bool verbose) { if ((value % PeriodicTask::interval_gran) != 0) { ! CommandLineError::print(verbose, "BiasedLockingStartupDelay (" INTX_FORMAT ") must be " "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n", value, PeriodicTask::interval_gran); return JVMFlag::VIOLATES_CONSTRAINT; } else { --- 75,85 ---- } } JVMFlag::Error BiasedLockingStartupDelayFunc(intx value, bool verbose) { if ((value % PeriodicTask::interval_gran) != 0) { ! JVMFlag::printError(verbose, "BiasedLockingStartupDelay (" INTX_FORMAT ") must be " "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n", value, PeriodicTask::interval_gran); return JVMFlag::VIOLATES_CONSTRAINT; } else {
*** 89,105 **** } } JVMFlag::Error BiasedLockingBulkRevokeThresholdFunc(intx value, bool verbose) { if (value < BiasedLockingBulkRebiasThreshold) { ! CommandLineError::print(verbose, "BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ") must be " "greater than or equal to BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")\n", value, BiasedLockingBulkRebiasThreshold); return JVMFlag::VIOLATES_CONSTRAINT; } else if ((double)value/(double)BiasedLockingDecayTime > 0.1) { ! CommandLineError::print(verbose, "The ratio of BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")" " to BiasedLockingDecayTime (" INTX_FORMAT ") must be " "less than or equal to 0.1\n", value, BiasedLockingBulkRebiasThreshold); return JVMFlag::VIOLATES_CONSTRAINT; --- 87,103 ---- } } JVMFlag::Error BiasedLockingBulkRevokeThresholdFunc(intx value, bool verbose) { if (value < BiasedLockingBulkRebiasThreshold) { ! JVMFlag::printError(verbose, "BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ") must be " "greater than or equal to BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")\n", value, BiasedLockingBulkRebiasThreshold); return JVMFlag::VIOLATES_CONSTRAINT; } else if ((double)value/(double)BiasedLockingDecayTime > 0.1) { ! JVMFlag::printError(verbose, "The ratio of BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")" " to BiasedLockingDecayTime (" INTX_FORMAT ") must be " "less than or equal to 0.1\n", value, BiasedLockingBulkRebiasThreshold); return JVMFlag::VIOLATES_CONSTRAINT;
*** 108,118 **** } } JVMFlag::Error BiasedLockingDecayTimeFunc(intx value, bool verbose) { if (BiasedLockingBulkRebiasThreshold/(double)value > 0.1) { ! CommandLineError::print(verbose, "The ratio of BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")" " to BiasedLockingDecayTime (" INTX_FORMAT ") must be " "less than or equal to 0.1\n", BiasedLockingBulkRebiasThreshold, value); return JVMFlag::VIOLATES_CONSTRAINT; --- 106,116 ---- } } JVMFlag::Error BiasedLockingDecayTimeFunc(intx value, bool verbose) { if (BiasedLockingBulkRebiasThreshold/(double)value > 0.1) { ! JVMFlag::printError(verbose, "The ratio of BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")" " to BiasedLockingDecayTime (" INTX_FORMAT ") must be " "less than or equal to 0.1\n", BiasedLockingBulkRebiasThreshold, value); return JVMFlag::VIOLATES_CONSTRAINT;
*** 121,131 **** } } JVMFlag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose) { if ((value % PeriodicTask::interval_gran != 0)) { ! CommandLineError::print(verbose, "PerfDataSamplingInterval (" INTX_FORMAT ") must be " "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n", value, PeriodicTask::interval_gran); return JVMFlag::VIOLATES_CONSTRAINT; } else { --- 119,129 ---- } } JVMFlag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose) { if ((value % PeriodicTask::interval_gran != 0)) { ! JVMFlag::printError(verbose, "PerfDataSamplingInterval (" INTX_FORMAT ") must be " "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n", value, PeriodicTask::interval_gran); return JVMFlag::VIOLATES_CONSTRAINT; } else {
*** 134,144 **** } JVMFlag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose) { if (value) { if (!SafepointMechanism::supports_thread_local_poll()) { ! CommandLineError::print(verbose, "ThreadLocalHandshakes not yet supported on this platform\n"); return JVMFlag::VIOLATES_CONSTRAINT; } } return JVMFlag::SUCCESS; } --- 132,142 ---- } JVMFlag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose) { if (value) { if (!SafepointMechanism::supports_thread_local_poll()) { ! JVMFlag::printError(verbose, "ThreadLocalHandshakes not yet supported on this platform\n"); return JVMFlag::VIOLATES_CONSTRAINT; } } return JVMFlag::SUCCESS; }
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