ngx_http_upstream_response_time_variable  120 http/ngx_http_upstream.c static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r,
ngx_http_upstream_response_time_variable  323 http/ngx_http_upstream.c       ngx_http_upstream_response_time_variable, 0,