在这个例子中被分析的应用程序可能会进行40次函数调用,甚至更复杂的应用程序也会为cpu和memprofiling生成类似的调用图.
我试图配置的应用程序都是Web应用程序,我一次分析它们一分钟并使用wrk生成200,000,000个请求=所有返回数据和2xx响应
pprof几天前突然停止运行osx yosemite – 试图解决我最近升级到el capitan的问题,但结果是一样的.
注意:这不仅仅是调用图 – 调用列表或top命令产生类似的贫瘠结果,但应用程序本身工作正常:
(pprof) top 269.97kB of 269.97kB @R_299_10586@l ( 100%) flat flat% sum% cum cum% 269.97kB 100% 100% 269.97kB 100% (pprof)
我正在使用以下软件包:“github.com/davecheney/profile”和go v1.5.1
为清楚起见,这是我正在做的生成配置文件::
我将上面的包导入main.go并将以下内容放在我的主函数的顶部:
defer profile.Start(profile.MemProfilE).Stop()
然后我构建二进制文件并运行它:
go build -o orig /Users/danielwall/www/netlistener/application/adrequest.go /Users/danielwall/www/netlistener/application/cookie.go /Users/danielwall/www/netlistener/application/header.go /Users/danielwall/www/netlistener/application/lex.go /Users/danielwall/www/netlistener/application/main.go /Users/danielwall/www/netlistener/application/publisher_ids.go /Users/danielwall/www/netlistener/application/request.go /Users/danielwall/www/netlistener/application/response.go /Users/danielwall/www/netlistener/application/server.go /Users/danielwall/www/netlistener/application/sniff.go /Users/danielwall/www/netlistener/application/status.go /Users/danielwall/www/netlistener/application/transfer.go ./orig
然后我看到这样的输出:
2015/11/16 11:39:49 profile: memory profiling enabled,/var/folders/26/2sj70_sn72l_93j7tf6r07gr0000gn/T/profile614358295/mem.pprof
现在我从另一个终端处理应用程序:
wrk -d60 -c10 -H "X-Device: desktop" -H "X-Country-Code: GB" "http://localhost:8189/app?id=111&scheR_825_11845@a=xml2&ad_type=auto&url=http://test.com/&category=bob" Running 1m test @ http://localhost:8189/app?id=111&scheR_825_11845@a=xml2&ad_type=auto&url=http://test.com/&category=bob 2 threads and 10 connections Thread Stats Avg Stdev Max +/- Stdev Latency 414.09us 0.92ms 55.36ms 95.66% Req/Sec 17.57k 3.19k 22.59k 76.00% 2097764 requests in 1.00m,684.20MB read requests/sec: 34958.03 Transfer/sec: 11.40MB
60秒后,我回去查看我的个人资料:
^C2015/11/16 12:05:20 profile: caught interrupt,stopping profiles go tool pprof /var/folders/26/2sj70_sn72l_93j7tf6r07gr0000gn/T/profile614358295/mem.pprof
任何想法可能会发生在这里或在哪里我可以开始解决/解决这个问题?
欢迎任何帮助建议.