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metrics.go
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metrics.go
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// Copyright 2022-2023 The Parca Authors
// 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.
//
package bpfmaps
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
const (
labelHash = "hash"
labelUnwindTableAdd = "unwind_table_add"
)
type metrics struct {
refreshProcessInfoErrors *prometheus.CounterVec
// Map clean.
mapCleanErrors *prometheus.CounterVec
}
func newMetrics(reg prometheus.Registerer) *metrics {
m := &metrics{
refreshProcessInfoErrors: promauto.With(reg).NewCounterVec(prometheus.CounterOpts{
Name: "parca_agent_profiler_bpf_maps_refresh_proc_info_errors_total",
Help: "Number of errors refreshing process info",
ConstLabels: map[string]string{"type": "cpu"},
}, []string{"error"}),
mapCleanErrors: promauto.With(reg).NewCounterVec(prometheus.CounterOpts{
Name: "parca_agent_profiler_bpf_maps_clean_errors_total",
Help: "Number of errors cleaning BPF maps",
ConstLabels: map[string]string{"type": "cpu"},
}, []string{"map"}),
}
m.refreshProcessInfoErrors.WithLabelValues(labelHash)
m.refreshProcessInfoErrors.WithLabelValues(labelUnwindTableAdd)
m.mapCleanErrors.WithLabelValues(StackTracesMapName)
m.mapCleanErrors.WithLabelValues(StackCountsMapName)
m.mapCleanErrors.WithLabelValues(ProcessInfoMapName)
m.mapCleanErrors.WithLabelValues(UnwindInfoChunksMapName)
return m
}