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 }