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https://bz.apache.org/bugzilla/show_bug.cgi?id=65082

Bug ID: 65082
Summary: Duration of request is calculated wrong when
ap_process_async_request is involved
Product: Apache httpd-2
Version: 2.5-HEAD
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Core
Assignee: bugs@httpd.apache.org
Reporter: boyanfb@gmail.com
Target Milestone: ---

During ap_process_request(), ap_process_async_request() is called which at
start sets the request start time using:

ap_time_process_request(r->connection->sbh, START_PREQUEST);

At the end it increases the worker duration with the difference between the
time set using START_PREQUEST and STOP_PREQUEST

ap_time_process_request(c->sbh, STOP_PREQUEST);

Now back to ap_process_request() which also increases the duration, using the
the same START_PREQUEST

ap_time_process_request(c->sbh, STOP_PREQUEST);

thus the time spent inside ap_process_async_request() is doubled(in.


The code that sets the duration is this(scoreboard.c):

if (status == START_PREQUEST) {
ws->start_time = ws->last_used = apr_time_now();
}
else if (status == STOP_PREQUEST) {
ws->stop_time = ws->last_used = apr_time_now();
if (ap_extended_status) {
ws->duration += ws->stop_time - ws->start_time;
}

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