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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/ftdc/ftdc_system_stats.h"
#include <memory>
#include <string>
#include <vector>
#include "mongo/base/status.h"
#include "mongo/base/string_data.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/ftdc/collector.h"
#include "mongo/db/ftdc/controller.h"
#include "mongo/logv2/log.h"
#include "mongo/util/perfctr_collect.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kFTDC
namespace mongo {
namespace {
const std::vector<StringData> kCpuCounters = {
"\\Processor(_Total)\\% Idle Time"_sd,
"\\Processor(_Total)\\% Interrupt Time"_sd,
"\\Processor(_Total)\\% Privileged Time"_sd,
"\\Processor(_Total)\\% Processor Time"_sd,
"\\Processor(_Total)\\% User Time"_sd,
"\\Processor(_Total)\\Interrupts/sec"_sd,
"\\System\\Context Switches/sec"_sd,
"\\System\\Processes"_sd,
"\\System\\Processor Queue Length"_sd,
"\\System\\System Up Time"_sd,
"\\System\\Threads"_sd,
};
const std::vector<StringData> kMemoryCounters = {
"\\Memory\\Available Bytes"_sd,
"\\Memory\\Cache Bytes"_sd,
"\\Memory\\Cache Faults/sec"_sd,
"\\Memory\\Committed Bytes"_sd,
"\\Memory\\Commit Limit"_sd,
"\\Memory\\Page Reads/sec"_sd,
"\\Memory\\Page Writes/sec"_sd,
"\\Memory\\Pages Input/sec"_sd,
"\\Memory\\Pages Output/sec"_sd,
"\\Memory\\Pool Nonpaged Bytes"_sd,
"\\Memory\\Pool Paged Bytes"_sd,
"\\Memory\\Pool Paged Resident Bytes"_sd,
"\\Memory\\System Cache Resident Bytes"_sd,
"\\Memory\\System Code Total Bytes"_sd,
};
const std::vector<StringData> kDiskCounters = {
"\\PhysicalDisk(*)\\% Disk Read Time"_sd,
"\\PhysicalDisk(*)\\% Disk Write Time"_sd,
"\\PhysicalDisk(*)\\Avg. Disk Read Queue Length"_sd,
"\\PhysicalDisk(*)\\Avg. Disk Write Queue Length"_sd,
"\\PhysicalDisk(*)\\Disk Read Bytes/sec"_sd,
"\\PhysicalDisk(*)\\Disk Write Bytes/sec"_sd,
"\\PhysicalDisk(*)\\Disk Reads/sec"_sd,
"\\PhysicalDisk(*)\\Disk Writes/sec"_sd,
"\\PhysicalDisk(*)\\Current Disk Queue Length"_sd,
};
/**
* Collect metrics from Windows Performance Counters.
*/
class WindowsSystemMetricsCollector final : public SystemMetricsCollector {
public:
WindowsSystemMetricsCollector(std::unique_ptr<PerfCounterCollector> collector)
: _collector(std::move(collector)) {}
void collect(OperationContext* opCtx, BSONObjBuilder& builder) override {
processStatusErrors(_collector->collect(&builder), &builder);
}
private:
std::unique_ptr<PerfCounterCollector> _collector;
};
StatusWith<std::unique_ptr<PerfCounterCollector>> createCollector() {
PerfCounterCollection collection;
Status s = collection.addCountersGroup("cpu", kCpuCounters);
if (!s.isOK()) {
return s;
}
// TODO: Should we capture the Heap Counters for the current process?
s = collection.addCountersGroup("memory", kMemoryCounters);
if (!s.isOK()) {
return s;
}
s = collection.addCountersGroupedByInstanceName("disks", kDiskCounters);
if (!s.isOK()) {
return s;
}
auto swCollector = PerfCounterCollector::create(std::move(collection));
if (!swCollector.getStatus().isOK()) {
return swCollector.getStatus();
}
return {std::move(swCollector.getValue())};
}
} // namespace
void installSystemMetricsCollector(FTDCController* controller) {
auto swCollector = createCollector();
if (!swCollector.getStatus().isOK()) {
LOGV2_WARNING(23718,
"Failed to initialize Performance Counters for FTDC",
"error"_attr = swCollector.getStatus());
return;
}
controller->addPeriodicCollector(
std::make_unique<WindowsSystemMetricsCollector>(std::move(swCollector.getValue())));
}
} // namespace mongo
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