forked from ccfos/huatuo
123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
// Copyright 2025 The HuaTuo Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"time"
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"huatuo-bamai/internal/log"
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"huatuo-bamai/internal/utils/cgrouputil"
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"huatuo-bamai/internal/utils/parseutil"
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"huatuo-bamai/pkg/metric"
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"huatuo-bamai/pkg/tracing"
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"github.com/prometheus/procfs"
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)
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const (
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// CLK_TCK is a constant on Linux for all architectures except alpha and ia64.
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// See e.g.
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// https://git.musl-libc.org/cgit/musl/tree/src/conf/sysconf.c#n30
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// https://github.com/containerd/cgroups/pull/12
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// https://lore.kernel.org/lkml/agtlq6$iht$1@penguin.transmeta.com/
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userHZ int64 = 100
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)
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type runtimeCollector struct {
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oldStat *procfs.ProcStat
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oldTs int64
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}
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func init() {
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tracing.RegisterEventTracing("runtime", newQosCollector)
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}
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func newQosCollector() (*tracing.EventTracingAttr, error) {
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return &tracing.EventTracingAttr{
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TracingData: &runtimeCollector{},
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Flag: tracing.FlagMetric,
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}, nil
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}
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func (c *runtimeCollector) Update() ([]*metric.Data, error) {
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runtimeMetric := make([]*metric.Data, 0)
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p, err := procfs.Self()
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if err != nil {
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return nil, err
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}
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runtimeMetric = append(runtimeMetric, getCPUMetric(c, &p)...)
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runtimeMetric = append(runtimeMetric, getMemoryMetric(&p)...)
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return runtimeMetric, nil
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}
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func getCPUMetric(c *runtimeCollector, p *procfs.Proc) []*metric.Data {
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stat, err := p.Stat()
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if err != nil {
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log.Warnf("not get process stat: %v", err)
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return nil
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}
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ts := time.Now().Unix()
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if c.oldStat == nil {
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c.oldStat = &stat
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}
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if c.oldTs == 0 {
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c.oldTs = ts
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return nil
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}
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data := make([]*metric.Data, 2)
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duration := ts - c.oldTs
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// huatuo-bamai.cpu.user(*100)
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user := float64(stat.UTime-c.oldStat.UTime) / float64(userHZ*duration)
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data[0] = metric.NewGaugeData("cpu_user", user*100, "user cpu", nil)
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// huatuo-bamai.cpu.sys(*100)
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sys := float64(stat.STime-c.oldStat.STime) / float64(userHZ*duration)
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data[1] = metric.NewGaugeData("cpu_sys", sys*100, "sys cpu", nil)
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// save stat
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c.oldStat = &stat
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c.oldTs = ts
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return data
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}
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func getMemoryMetric(p *procfs.Proc) []*metric.Data {
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data := make([]*metric.Data, 3)
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status, err := p.NewStatus()
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if err != nil {
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log.Warnf("not get process status: %v", err)
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return nil
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}
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data[0] = metric.NewGaugeData("memory_vss", float64(status.VmSize)/1024, "memory vss", nil)
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data[1] = metric.NewGaugeData("memory_rss", float64(status.VmRSS)/1024, "memory rss", nil)
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rssI, err := parseutil.ReadUint(cgrouputil.V1MemoryPath() + "/huatuo-bamai/memory.usage_in_bytes")
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if err != nil {
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log.Warnf("can't ParseUint, err: %v", err)
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return nil
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}
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data[2] = metric.NewGaugeData("memory_cgroup_rss", float64(rssI)/1024, "memory cgroup rss", nil)
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return data
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}
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