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/**
* Copyright (C) ARM Limited 2013-2015. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "Driver.h"
#include "Buffer.h"
#include "SessionData.h"
DriverCounter::DriverCounter(DriverCounter *const next, const char *const name) : mNext(next), mName(name), mKey(getEventKey()), mEnabled(false) {
}
DriverCounter::~DriverCounter() {
delete mName;
}
Driver *Driver::head = NULL;
Driver::Driver() : next(head) {
head = this;
}
SimpleDriver::~SimpleDriver() {
DriverCounter *counters = mCounters;
while (counters != NULL) {
DriverCounter *counter = counters;
counters = counter->getNext();
delete counter;
}
}
DriverCounter *SimpleDriver::findCounter(const Counter &counter) const {
for (DriverCounter *driverCounter = mCounters; driverCounter != NULL; driverCounter = driverCounter->getNext()) {
if (strcmp(driverCounter->getName(), counter.getType()) == 0) {
return driverCounter;
}
}
return NULL;
}
bool SimpleDriver::claimCounter(const Counter &counter) const {
return findCounter(counter) != NULL;
}
bool SimpleDriver::countersEnabled() const {
for (DriverCounter *counter = mCounters; counter != NULL; counter = counter->getNext()) {
if (counter->isEnabled()) {
return true;
}
}
return false;
}
void SimpleDriver::resetCounters() {
for (DriverCounter *counter = mCounters; counter != NULL; counter = counter->getNext()) {
counter->setEnabled(false);
}
}
void SimpleDriver::setupCounter(Counter &counter) {
DriverCounter *const driverCounter = findCounter(counter);
if (driverCounter == NULL) {
counter.setEnabled(false);
return;
}
driverCounter->setEnabled(true);
counter.setKey(driverCounter->getKey());
}
int SimpleDriver::writeCounters(mxml_node_t *root) const {
int count = 0;
for (DriverCounter *counter = mCounters; counter != NULL; counter = counter->getNext()) {
mxml_node_t *node = mxmlNewElement(root, "counter");
mxmlElementSetAttr(node, "name", counter->getName());
++count;
}
return count;
}
PolledDriver::~PolledDriver() {
}
void PolledDriver::read(Buffer *const buffer) {
for (DriverCounter *counter = getCounters(); counter != NULL; counter = counter->getNext()) {
if (!counter->isEnabled()) {
continue;
}
buffer->event64(counter->getKey(), counter->read());
}
}
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