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OPTIM: session: reorder struct session fields

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A reorering of the struct session fields has increased overall performance
by almost 1% due to better cache usage.
This commit is contained in:
Willy Tarreau 2012-10-13 11:22:24 +02:00
parent c93f7959e5
commit 109e95a1b4
1 changed files with 17 additions and 13 deletions
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30
include/types/session.h
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@ -104,22 +104,25 @@
* server should eventually be released.
*/
struct session {
int flags; /* some flags describing the session */
struct target target; /* target to use for this session */
struct channel *req; /* request buffer */
struct channel *rep; /* response buffer */
struct proxy *fe; /* the proxy this session depends on for the client side */
struct proxy *be; /* the proxy this session depends on for the server side */
struct listener *listener; /* the listener by which the request arrived */
struct server *srv_conn; /* session already has a slot on a server and is not in queue */
struct pendconn *pend_pos; /* if not NULL, points to the position in the pending queue */
struct http_txn txn; /* current HTTP transaction being processed. Should become a list. */
struct task *task; /* the task associated with this session */
struct list list; /* position in global sessions list */
struct list by_srv; /* position in server session list */
struct list back_refs; /* list of users tracking this session */
struct task *task; /* the task associated with this session */
/* application specific below */
struct listener *listener; /* the listener by which the request arrived */
struct proxy *fe; /* the proxy this session depends on for the client side */
struct proxy *be; /* the proxy this session depends on for the server side */
int flags; /* some flags describing the session */
struct channel *req; /* request buffer */
struct channel *rep; /* response buffer */
struct stream_interface si[2]; /* client and server stream interfaces */
struct server *srv_conn; /* session already has a slot on a server and is not in queue */
struct target target; /* target to use for this session */
struct pendconn *pend_pos; /* if not NULL, points to the position in the pending queue */
struct http_txn txn; /* current HTTP transaction being processed. Should become a list. */
struct {
struct stksess *ts;
@ -133,6 +136,7 @@ struct session {
struct stksess *stkctr2_entry; /* entry containing counters currently being tracked as set 2 by this session */
struct stktable *stkctr2_table; /* table the counters above belong to (undefined if counters are null) */
struct stream_interface si[2]; /* client and server stream interfaces */
struct {
int logwait; /* log fields waiting to be collected : LW_* */
struct timeval accept_date; /* date of the accept() in user date */