8000 feat: Print osinfo when start failed by hengyoush · Pull Request #191 · hengyoush/kyanos · GitHub
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feat: Print osinfo when start failed #191

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Merged
merged 4 commits into from
Dec 18, 2024
Merged

feat: Print osinfo when start failed #191

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b03fecf
feat: print os info when start failed
hengyoush Dec 18, 2024
22ac1cc
feat: add system info logging for crash reports
hengyoush Dec 18, 2024
8852ffe
refactor: remove unsed log
hengyoush Dec 18, 2024
dc20643
refactor: add faq url
hengyoush Dec 18, 2024
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52 changes: 51 additions & 1 deletion agent/agent.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package agent

import (
"context"
"fmt"
"kyanos/agent/analysis"
anc "kyanos/agent/analysis/common"
ac "kyanos/agent/common"
Expand All @@ -15,7 +16,10 @@ import (
"kyanos/bpf/loader"
"kyanos/common"
"os"
"os/exec"
"os/signal"
"runtime"
"strings"
"sync"
"syscall"
"time"
Expand Down Expand Up @@ -139,7 +143,7 @@ func SetupAgent(options ac.AgentOptions) {
common.AgentLog.Info("Waiting for events..")
}
if _bf.Err != nil {
common.AgentLog.Error("Failed to load BPF: ", _bf.Err)
logSystemInfo(_bf.Err)
return
}

Expand Down Expand Up @@ -170,6 +174,52 @@ func SetupAgent(options ac.AgentOptions) {
return
}

func logSystemInfo(loadError error) {
common.SetLogToStdout()
info := []string{
"OS: " + runtime.GOOS,
"Arch: " + runtime.GOARCH,
"NumCPU: " + fmt.Sprintf("%d", runtime.NumCPU()),
"GoVersion: " + runtime.Version(),
}

kernelVersion, err := exec.Command("uname", "-r").Output()
if err == nil {
info = append(info, "Kernel Version: "+strings.TrimSpace(string(kernelVersion)))
} else {
info = append(info, "Failed to get kernel version: "+err.Error())
}

osRelease, err := exec.Command("cat", "/etc/os-release").Output()
if err == nil {
info = append(info, strings.TrimSpace(string(osRelease)))
} else {
info = append(info, "Failed to get Linux distribution: "+err.Error())
}

const crashReportFormat = `
===================================
Kyanos Crash Report
=========Error Message=============
%s
============OS Info================
%s
===================================
FAQ : https://kyanos.io/faq.html
Submit issue: https://github.com/hengyoush/kyanos/issues

`

var errorInfo string
if loadError != nil {
errorInfo = "Error: " + loadError.Error()
} else {
errorInfo = "No load errors detected."
}

fmt.Printf(crashReportFormat, errorInfo, strings.Join(info, "\n"))
}

func startGopsServer(opts ac.AgentOptions) {
if opts.WatchOptions.DebugOutput {
if err := gops.Listen(gops.Options{}); err != nil {
Expand Down
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