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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/p9/prdfLineDelete.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2005,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/** @file prdfLineDelete.C
* Contains the definitions needed for the line delete algorithms and the CE
* table.
*/
#include <prdfLineDelete.H>
#include <iipServiceDataCollector.h>
#include <prdfBitString.H>
namespace PRDF
{
// See prdfLineDelete.H for full function documentation.
namespace LineDelete
{
/* PrdfCacheCETable::addAddress
* Insert address into CE table.
*/
bool PrdfCacheCETable::addAddress( PrdfCacheAddress i_addr,
STEP_CODE_DATA_STRUCT & i_sdc )
{
// Get the time of the current error.
Timer timeOfError = i_sdc.service_data->GetTOE();
// Check if time interval has elapsed. If so, flush the table.
if ( (timeOfError > cv_flushTimer) || !cv_flushTimerInited )
{
this->flushTable();
cv_flushTimer = timeOfError + iv_thPolicy.interval;
cv_flushTimerInited = true;
}
// Increment address hit count.
uint32_t count = ++cv_ceTable[i_addr];
// Return whether the address threshold has been reached or not.
return ( iv_thPolicy.threshold <= count );
}
/* PrdfCacheCETable::isIntervalElapsed()
*/
bool PrdfCacheCETable::isIntervalElapsed( STEP_CODE_DATA_STRUCT & i_sdc )
{
bool o_rc = false;
if ( cv_flushTimerInited )
o_rc = ( i_sdc.service_data->GetTOE() > cv_flushTimer );
return o_rc;
}
/* PrdfCacheCETable::flushTable()
* Clear all entries from CE table.
*/
void PrdfCacheCETable::flushTable()
{
// wipe interval timer and clear all hits.
cv_flushTimerInited = false;
cv_ceTable.clear();
}
};
} // end namespace PRDF
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