近想对tomcat的性能指标做监控，于是 想到loadrunner关联函数的用法，于是做了本次尝试，没想到效果还不错，所以拿出来供大家分享，通过本次测试发现，关联的作用太强大了~

 

Action()
{
double atof(const char *string);
web_reg_save_param("JVM_FreeMemory"，
"LB=Free memory: "，
"RB= MB"，
"Ord=1"，
LAST);
web_reg_save_param("JVM_TotalMemory"，
"LB=Total memory: "，
"RB= MB"，
"Ord=1"，
LAST);
web_reg_save_param("JVM_MaxMemory"，
"LB=Max memory: "，
"RB= MB"，
"Ord=1"，
LAST);
web_reg_save_param("http_MaxThreads"，
"LB=Max threads: "，
"RB= "，
"Ord=1"，
LAST);
web_reg_save_param("http_CurrentThreadCount"，
"LB=Current thread count: "，
"RB= "，
"Ord=1"，
LAST);
web_reg_save_param("http_CurrentThreadBusy"，
"LB=Current thread busy: "，
"RB= "，
"Ord=1"，
LAST);
web_reg_save_param("http_MaxProcessingTime"，
"LB=Max processing time: "，
"RB= ms"，
"Ord=1"，
LAST);
web_reg_save_param("http_ProcessingTime"，
"LB=Processing time: "，
"RB= s"，
"Ord=1"，
LAST);
web_reg_save_param("http_RequestCount"，
"LB=Request count: "，
"RB= "，
"Ord=1"，
LAST);
web_reg_save_param("http_ErrorCount"，
"LB=Error count: "，
"RB= "，
"Ord=1"，
LAST);
web_reg_save_param("http_BytesReceived"，
"LB=Bytes received: "，
"RB= MB"，
"Ord=1"，
LAST);
web_reg_save_param("http_BytesSent"，
"LB=Bytes sent: "，
"RB= MB"，
"Ord=1"，
LAST);
web_set_user("tomcat"， "123"，"10.40.15.8:8080");
lr_think_time(20);
web_url("status"，
"URL=http://10.40.15.8:8080/manager/status"，
"Resource=0"，
"RecContentType=text/html"，
"Referer="，
"Snapshot=t1.inf"，
"Mode=HTML"，
LAST);
lr_user_data_point("Tomcat JVM FreeMemory"， atof(lr_eval_string("{JVM_FreeMemory}")));
lr_user_data_point("Tomcat JVM TotalMemory"， atof(lr_eval_string("{JVM_TotalMemory}")));
lr_user_data_point("Tomcat JVM MaxMemory"， atof(lr_eval_string("{JVM_MaxMemory}")));
lr_user_data_point("Tomcat http MaxThreads"， atof(lr_eval_string("{http_MaxThreads}")));
lr_user_data_point("Tomcat http CurrentThreadCount"， atof(lr_eval_string("{http_CurrentThreadCount}")));
lr_user_data_point("Tomcat http CurrentThreadBusy"， atof(lr_eval_string("{http_CurrentThreadBusy}")));
lr_user_data_point("Tomcat http MaxProcessingTime"， atof(lr_eval_string("{http_MaxProcessingTime}")));
lr_user_data_point("Tomcat http ProcessingTime"， atof(lr_eval_string("{http_ProcessingTime}")));
lr_user_data_point("Tomcat http RequestCount"， atof(lr_eval_string("{http_RequestCount}")));
lr_user_data_point("Tomcat http ErrorCount"， atof(lr_eval_string("{http_ErrorCount}")));
lr_user_data_point("Tomcat http BytesReceived"， atof(lr_eval_string("{http_BytesReceived}")));
lr_user_data_point("Tomcat http BytesSent"， atof(lr_eval_string("{http_BytesSent}")));
return 0;
}