Does LoadRunner measure UI response time? -

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i know loadrunner used system responses wonder whether measures e.g. rendering time (thousands of items in large lists etc.). guess done verifying particular object appeared in ui then, think loadrunner not run browsers , sends recorded data. greateful input. thanks!

loadrunner has many ways measure rendering time. starting @ top of stack , going down

  • citrix/rdp virtual user. sync on bitmap type bitmap has rendered client
  • gui virtual user. has been part of loadrunner since version 1. first xrunner, became winrunner , in current product quicktest professional. gui virtual users quite popular in thick client server era , web clients getting thicker , richer making return. going run handful of these while remainder transport level users
  • truclient (loadrunner 11 on). runs full firefox stack, including rendering.

as move stack run full client there tradeoffs. first resource cost per virtual user becomes larger have run full client instead of reproducing conversational behavior server. if have browser 500mb plus sampling add ins can see on 4gb host shared execution code still not going achieve whole lot of users per host. if @ qtp based gui virtual users looking @ sinngle virtual user per os instance.

your statement, " think loadrunner not run browsers , sends recorded data" when @ both full firefox stack in truclient user type ability run gui virtual users operating against whatever browser choose pretty causes statement set aside.

now next big question. assuming not code , rendering of browswer slow, able change behavior make app run faster? can change ie? have time, skills, budget start digging source firefox or chrome find slow code , update it?


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