加入收藏 | 设为首页 | 会员中心 | 我要投稿 92站长网 （https://www.92zhanzhang.cn/）- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置： 首页 > 运营中心 > 建站资源 > 优化 > 正文

Java 性能瓶颈分析工具 你知道几个？

发布时间：2019-05-11 00:14:52 所属栏目：优化 来源：程序猿说
导读：0. Introduction Java 性能优化分为很多个方面，如系统优化、算法优化、代码优化等。代码优化是指开发人员在研发、测试过程中使用性能瓶颈分析工具快速定位出由于编码存在的性能瓶颈问题并持续进行优化。一种很常见的场景是测试同学在对服务进行压测时，无

执行如下命令，生成 topmethod.log 和 topobject.log 文件

  1. java -cp ../lib/tprofiler-1.0.1.jar com.taobao.profile.analysis.ProfilerLogAnalysis tprofiler.log tmethod.log topmethod.log topobject.log 

topmethod.log 文件格式说明：

  1. 方法信息 执行次数 平均执行时间 全部执行时间 
  2. cn/com/company/xqy/framework/cacheframework/rediscache/RedisFactory:getJedisCache:107 750 7 5451 
  3. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:checkObjectKeyExisted:243 516 3 1524 
  4. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:get:180 563 3 1493 
  5. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:getString:839 572 2 1199 
  6. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:incr:1144 353 2 727 
  7. cn/com/company/xqy/jupiter/gateway/netty/ClientToProxyHandler:channelRead0:357 356 2 646 
  8. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/RateLimiterRequestFilter:doFilter:114 358 1 533 
  9. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:ttl:1176 214 2 447 
  10. cn/com/company/xqy/jupiter/gateway/netty/ClientToProxyHandler$2:onCompleted:354 263 1 316 
  11. cn/com/company/xqy/framework/cacheframework/rediscache/RedisUtil:unseriallize:78 80 3 258 
  12. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/AuthenticationFilter:doFilter:126 310 1 237 
  13. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/HttpRequestFilterChain:doFilter:72 358 0 137 
  14. cn/com/company/xqy/jupiter/gateway/component/cache/service/VaultCacheServiceImpl:getAppSecretByAppKey:52 237 0 73 
  15. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:writeRequest:183 25 2 56 
  16. cn/com/company/xqy/jupiter/gateway/netty/upstream/ProxyToServerHandler:channelRead0:70 266 0 45 
  17. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/log/TraceUtils:createTraceId:39 1 44 44 
  18. cn/com/company/xqy/jupiter/gateway/util/ComponentUtil:getRedisConfig:52 1 44 44 
  19. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:sendRequest:98 50 1 40 
  20. cn/com/company/xqy/jupiter/gateway/util/ToString:toString:20 7 5 37 
  21. cn/com/company/xqy/framework/log/LoggerUtils:info:31 13 2 29 
  22. cn/com/company/xqy/jupiter/gateway/netty/HttpProxyServer$1:initChannel:142 12 2 28 
  23. cn/com/company/xqy/jupiter/gateway/netty/uri/PatternRequest:matchingPattern:53 9 2 22 
  24. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:sendRequestWithNewChannel:124 9 2 19 
  25. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/servlet/NettyHttpServletRequest:getParameter:114 4 4 15 
  26. cn/com/company/xqy/framework/log/LoggerUtils:format:150 5 3 14 
  27. cn/com/company/xqy/jupiter/gateway/component/cache/service/ApiAuthSerivceImpl:checkApiAuth:54 271 0 13 
  28. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/AuthenticationFilter:getAppSecret:188 239 0 11 
  29. cn/com/company/xqy/jupiter/gateway/netty/HttpProxyServer:newHttpServerCodec:171 3 3 9 
  30. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/AuthenticationFilter:buildParams:246 5 2 8 
  31. cn/com/company/xqy/jupiter/gateway/component/compatible/CompatibleRequestUtil:fetchParameterModel:127 7 1 7 
  32. cn/com/company/xqy/jupiter/gateway/netty/filter/HttpFiltersRunner:clientToProxyRequest:35 358 0 7 
  33. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/FilterUtil:getHeaderValue:30 1 6 6 
  34. cn/com/company/xqy/jupiter/gateway/util/PathUtils:getRegularPath:27 2 3 5 
  35. cn/com/company/xqy/jupiter/gateway/netty/uri/ExtendedAntPathMatcher:match:36 2 3 5 
  36. cn/com/company/xqy/framework/cacheframework/rediscache/RedisFactory:returnResource:136 3 2 5 
  37. cn/com/company/xqy/jupiter/gateway/netty/upstream/lb/WeightedRoundRobinLoadBalance:gcd:39 2 2 4 
  38. cn/com/company/xqy/jupiter/gateway/component/security/sign/HmacSHA256Signature:sign:38 2 2 4 
  39. cn/com/company/xqy/jupiter/gateway/netty/ClientToProxyHandler:channelInactive:395 14 0 4 
  40. cn/com/company/xqy/jupiter/gateway/netty/channel/Channels:isChannelValid:32 1 4 4 
  41. cn/com/company/xqy/jupiter/gateway/netty/channel/ChannelManager:tryToOfferChannelToPool:142 1 3 3 
  42. cn/com/company/xqy/jupiter/gateway/netty/upstream/ProxyToServerHandler:channelRead0:24 266 0 3 
  43. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:printProxyToServerLog:215 1 2 2 
  44. cn/com/company/xqy/jupiter/gateway/netty/uri/UrlPathUtils:getCanonicalizedPath:31 3 1 2 
  45. cn/com/company/xqy/jupiter/gateway/component/cache/RouteCacheComponent:getAllApiConfigs:225 355 0 2 
  46. cn/com/company/xqy/jupiter/gateway/component/SpringContextHolder:getBean:20 1 2 2 
  47. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/servlet/NettyHttpServletRequest:getHeader:162 1 2 2 
  48. cn/com/company/xqy/jupiter/gateway/netty/upstream/lb/Server:hashCode:169 1 2 2 
  49. cn/com/company/xqy/jupiter/client/utils/UrlUtils:normalizedPath:62 1 2 2 
  50. cn/com/company/xqy/framework/cacheframework/rediscache/RedisFactory:getShardedJedisPool:111 1 2 2 
  51. cn/com/company/xqy/jupiter/gateway/netty/ClientToProxyHandler:checkPathValidity:378 10 0 2 
  52. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/log/TraceLogContext:getTraceIdForLog:80 1 2 2 
  53. cn/com/company/xqy/jupiter/gateway/netty/ClientToProxyHandler:channelRead0:54 356 0 2 
  54. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyResponseFuture:<init>:50 1 2 2 
  55. cn/com/company/xqy/jupiter/gateway/netty/filter/HttpFiltersAdapter:<init>:29 1 2 2 
  56. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:sendRequestWithOpenChannel:142 25 0 1 
  57. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/HttpRequestUtils:isJsonRequest:62 1 0 0 
  58. cn/com/company/xqy/jupiter/gateway/netty/upstream/lb/WeightedRoundRobinLoadBalance:select:96 2 0 0 
  59. cn/com/company/xqy/jupiter/gateway/netty/upstream/lb/WeightedRoundRobinLoadBalance:getGCDForServers:54 2 0 0 
  60. cn/com/company/xqy/jupiter/gateway/netty/HttpProxyServer$1:initChannel:130 12 0 0 
  61. cn/com/company/xqy/jupiter/gateway/component/compatible/CompatibleRequestUtil:getParameterAppKey:24 5 0 0 
  62. cn/com/company/xqy/jupiter/gateway/netty/channel/ChannelUtils:getTraceIdForLog:32 1 0 0 
  63. cn/com/company/xqy/jupiter/gateway/component/compatible/CompatibleRequestUtil:getParameterVersion:64 1 0 0 
  64. cn/com/company/xqy/jupiter/gateway/component/security/sign/AbstractSignature:sign:57 2 0 0 
  65. cn/com/company/xqy/jupiter/gateway/component/security/sign/AbstractSignature:sign:46 2 0 0 
  66. cn/com/company/xqy/jupiter/gateway/component/compatible/CompatibleRequestUtil:getParameterTimestamp:54 1 0 0 
  67. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/ParameterValidationFilter:doFilter:74 1 0 0 
  68. cn/com/company/xqy/jupiter/gateway/netty/upstream/SimpleChannelFutureListener:operationComplete:8 1 0 0 
  69. cn/com/company/xqy/jupiter/gateway/netty/upstream/SimpleChannelFutureListener:operationComplete:18 1 0 0 
  70. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender$2:onSuccess:175 1 0 0 
  71. cn/com/company/xqy/jupiter/gateway/netty/HttpProxyServer:access$200:38 3 0 0 
  72. cn/com/company/xqy/jupiter/gateway/netty/filter/chain/request/pre/AuthenticationFilter:computeSign:165 2 0 0 
  73. cn/com/company/xqy/jupiter/gateway/netty/filter/HttpFiltersRunner:<init>:22 1 0 0 
  74. cn/com/company/xqy/jupiter/gateway/util/ComponentUtil:getRedisCacheClient:48 1 0 0 
  75. cn/com/company/xqy/jupiter/gateway/netty/upstream/NettyRequestSender:sendRequest:58 50 0 0 
  76. cn/com/company/xqy/framework/cacheframework/rediscache/ShardedJedisClient:isExist:227 516 0 0 
  77. cn/com/company/xqy/jupiter/gateway/netty/filter/HttpFiltersProviderAdapter:filterRequest:13 1 0 0 

（编辑：92站长网）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!
相关内容
    推荐文章
    站长推荐
    热点阅读

      【免责声明】本站内容转载自互联网，其发布内容言论不代表本站观点，如果其链接、内容的侵犯您的权益，烦请提交相关链接至邮箱bqsm@foxmail.com我们将及时予以处理。

      建议您使用1920×1080分辨率、谷歌浏览器Google Chrome、Microsoft Edge以获得本站的最佳浏览效果

      Copygight © 2008-2022 https://www.92zhanzhang.cn/ All Rights Reserved. 92站长网