< prev index next >
src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
Print this page
*** 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;
}
< prev index next >