github.com/kubewharf/katalyst-core@v0.5.3/pkg/metaserver/agent/metric/helper/system.go (about)

     1  /*
     2  Copyright 2022 The Katalyst Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package helper
    18  
    19  import (
    20  	"fmt"
    21  	"strconv"
    22  
    23  	"github.com/kubewharf/katalyst-core/pkg/consts"
    24  	"github.com/kubewharf/katalyst-core/pkg/metaserver/agent/metric/types"
    25  	"github.com/kubewharf/katalyst-core/pkg/metrics"
    26  	"github.com/kubewharf/katalyst-core/pkg/util/general"
    27  	metricutil "github.com/kubewharf/katalyst-core/pkg/util/metric"
    28  )
    29  
    30  // GetWatermarkMetrics returns system-water mark related metrics (config)
    31  // if numa node is specified, return config in this numa; otherwise return system-level config
    32  func GetWatermarkMetrics(metricsFetcher types.MetricsFetcher, emitter metrics.MetricEmitter, numaID int) (free, total, scaleFactor float64, err error) {
    33  	if numaID >= 0 {
    34  		free, err = GetNumaMetric(metricsFetcher, emitter, consts.MetricMemFreeNuma, numaID)
    35  		if err != nil {
    36  			return 0, 0, 0, fmt.Errorf(errMsgGetNumaMetrics, consts.MetricMemFreeNuma, numaID, err)
    37  		}
    38  		total, err = GetNumaMetric(metricsFetcher, emitter, consts.MetricMemTotalNuma, numaID)
    39  		if err != nil {
    40  			return 0, 0, 0, fmt.Errorf(errMsgGetNumaMetrics, consts.MetricMemFreeNuma, numaID, err)
    41  		}
    42  	} else {
    43  		free, err = GetNodeMetric(metricsFetcher, emitter, consts.MetricMemFreeSystem)
    44  		if err != nil {
    45  			return 0, 0, 0, fmt.Errorf(errMsgGetSystemMetrics, consts.MetricMemFreeSystem, err)
    46  		}
    47  		total, err = GetNodeMetric(metricsFetcher, emitter, consts.MetricMemTotalSystem)
    48  		if err != nil {
    49  			return 0, 0, 0, fmt.Errorf(errMsgGetSystemMetrics, consts.MetricMemTotalSystem, err)
    50  		}
    51  	}
    52  
    53  	scaleFactor, err = GetNodeMetric(metricsFetcher, emitter, consts.MetricMemScaleFactorSystem)
    54  	if err != nil {
    55  		return 0, 0, 0, fmt.Errorf(errMsgGetSystemMetrics, consts.MetricMemScaleFactorSystem, err)
    56  	}
    57  
    58  	return free, total, scaleFactor, nil
    59  }
    60  
    61  func GetNodeMetricWithTime(metricsFetcher types.MetricsFetcher, emitter metrics.MetricEmitter, metricName string) (metricutil.MetricData, error) {
    62  	metricData, err := metricsFetcher.GetNodeMetric(metricName)
    63  	if err != nil {
    64  		return metricutil.MetricData{}, fmt.Errorf(errMsgGetSystemMetrics, metricName, err)
    65  	}
    66  	_ = emitter.StoreFloat64(metricsNameSystemMetric, metricData.Value, metrics.MetricTypeNameRaw,
    67  		metrics.ConvertMapToTags(map[string]string{
    68  			metricsTagKeyMetricName: metricName,
    69  		})...)
    70  	return metricData, nil
    71  }
    72  
    73  func GetNodeMetric(metricsFetcher types.MetricsFetcher, emitter metrics.MetricEmitter, metricName string) (float64, error) {
    74  	metricWithTime, err := GetNodeMetricWithTime(metricsFetcher, emitter, metricName)
    75  	if err != nil {
    76  		return 0, err
    77  	}
    78  	return metricWithTime.Value, err
    79  }
    80  
    81  func GetNumaMetricWithTime(metricsFetcher types.MetricsFetcher, emitter metrics.MetricEmitter, metricName string, numaID int) (metricutil.MetricData, error) {
    82  	metricData, err := metricsFetcher.GetNumaMetric(numaID, metricName)
    83  	if err != nil {
    84  		general.Errorf(errMsgGetNumaMetrics, metricName, numaID, err)
    85  		return metricutil.MetricData{}, err
    86  	}
    87  	_ = emitter.StoreFloat64(metricsNameNumaMetric, metricData.Value, metrics.MetricTypeNameRaw,
    88  		metrics.ConvertMapToTags(map[string]string{
    89  			metricsTagKeyNumaID:     strconv.Itoa(numaID),
    90  			metricsTagKeyMetricName: metricName,
    91  		})...)
    92  	return metricData, nil
    93  }
    94  
    95  func GetNumaMetric(metricsFetcher types.MetricsFetcher, emitter metrics.MetricEmitter, metricName string, numaID int) (float64, error) {
    96  	metricWithTime, err := GetNumaMetricWithTime(metricsFetcher, emitter, metricName, numaID)
    97  	if err != nil {
    98  		return 0, err
    99  	}
   100  	return metricWithTime.Value, err
   101  }