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BusConnections: add usage stats for well-known names, match rules

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Reviewed-by: Cosimo Alfarano <cosimo.alfarano@collabora.co.uk>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=34040
This commit is contained in:
Simon McVittie 2011-02-08 12:31:08 +00:00
parent 2351f57081
commit 8a3e7581e7
2 changed files with 133 additions and 0 deletions
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120
bus/connection.c
View file

@ -62,6 +62,16 @@ struct BusConnections
DBusTimeout *expire_timeout; /**< Timeout for expiring incomplete connections. */
int stamp; /**< Incrementing number */
BusExpireList *pending_replies; /**< List of pending replies */
#ifdef DBUS_ENABLE_STATS
int total_match_rules;
int peak_match_rules;
int peak_match_rules_per_conn;
int total_bus_names;
int peak_bus_names;
int peak_bus_names_per_conn;
#endif
};
static dbus_int32_t connection_data_slot = -1;
@ -87,6 +97,11 @@ typedef struct
long connection_tv_sec; /**< Time when we connected (seconds component) */
long connection_tv_usec; /**< Time when we connected (microsec component) */
int stamp; /**< connections->stamp last time we were traversed */
#ifdef DBUS_ENABLE_STATS
int peak_match_rules;
int peak_bus_names;
#endif
} BusConnectionData;
static dbus_bool_t bus_pending_reply_expired (BusExpireList *list,
@ -1191,6 +1206,16 @@ bus_connection_send_oom_error (DBusConnection *connection,
d->oom_preallocated = NULL;
}
#ifdef DBUS_ENABLE_STATS
static void
update_peak (int *peak,
int n)
{
if (*peak < n)
*peak = n;
}
#endif
void
bus_connection_add_match_rule_link (DBusConnection *connection,
DBusList *link)
@ -1203,6 +1228,15 @@ bus_connection_add_match_rule_link (DBusConnection *connection,
_dbus_list_append_link (&d->match_rules, link);
d->n_match_rules += 1;
#ifdef DBUS_ENABLE_STATS
update_peak (&d->peak_match_rules, d->n_match_rules);
update_peak (&d->connections->peak_match_rules_per_conn, d->n_match_rules);
d->connections->total_match_rules += 1;
update_peak (&d->connections->peak_match_rules,
d->connections->total_match_rules);
#endif
}
dbus_bool_t
@ -1234,6 +1268,10 @@ bus_connection_remove_match_rule (DBusConnection *connection,
d->n_match_rules -= 1;
_dbus_assert (d->n_match_rules >= 0);
#ifdef DBUS_ENABLE_STATS
d->connections->total_match_rules -= 1;
#endif
}
int
@ -1259,6 +1297,16 @@ bus_connection_add_owned_service_link (DBusConnection *connection,
_dbus_list_append_link (&d->services_owned, link);
d->n_services_owned += 1;
#ifdef DBUS_ENABLE_STATS
update_peak (&d->peak_bus_names, d->n_services_owned);
update_peak (&d->connections->peak_bus_names_per_conn,
d->n_services_owned);
d->connections->total_bus_names += 1;
update_peak (&d->connections->peak_bus_names,
d->connections->total_bus_names);
#endif
}
dbus_bool_t
@ -1290,6 +1338,10 @@ bus_connection_remove_owned_service (DBusConnection *connection,
d->n_services_owned -= 1;
_dbus_assert (d->n_services_owned >= 0);
#ifdef DBUS_ENABLE_STATS
d->connections->total_bus_names -= 1;
#endif
}
int
@ -2273,3 +2325,71 @@ bus_transaction_add_cancel_hook (BusTransaction *transaction,
return TRUE;
}
#ifdef DBUS_ENABLE_STATS
int
bus_connections_get_n_active (BusConnections *connections)
{
return connections->n_completed;
}
int
bus_connections_get_n_incomplete (BusConnections *connections)
{
return connections->n_incomplete;
}
int
bus_connections_get_total_match_rules (BusConnections *connections)
{
return connections->total_match_rules;
}
int
bus_connections_get_peak_match_rules (BusConnections *connections)
{
return connections->peak_match_rules;
}
int
bus_connections_get_peak_match_rules_per_conn (BusConnections *connections)
{
return connections->peak_match_rules_per_conn;
}
int
bus_connections_get_total_bus_names (BusConnections *connections)
{
return connections->total_bus_names;
}
int
bus_connections_get_peak_bus_names (BusConnections *connections)
{
return connections->peak_bus_names;
}
int
bus_connections_get_peak_bus_names_per_conn (BusConnections *connections)
{
return connections->peak_bus_names_per_conn;
}
int
bus_connection_get_peak_match_rules (DBusConnection *connection)
{
BusConnectionData *d;
d = BUS_CONNECTION_DATA (connection);
return d->peak_match_rules;
}
int
bus_connection_get_peak_bus_names (DBusConnection *connection)
{
BusConnectionData *d;
d = BUS_CONNECTION_DATA (connection);
return d->peak_bus_names;
}
#endif /* DBUS_ENABLE_STATS */

13
bus/connection.h
View file

@ -138,4 +138,17 @@ dbus_bool_t bus_transaction_add_cancel_hook (BusTransaction *
void *data,
DBusFreeFunction free_data_function);
/* called by stats.c, only present if DBUS_ENABLE_STATS */
int bus_connections_get_n_active (BusConnections *connections);
int bus_connections_get_n_incomplete (BusConnections *connections);
int bus_connections_get_total_match_rules (BusConnections *connections);
int bus_connections_get_peak_match_rules (BusConnections *connections);
int bus_connections_get_peak_match_rules_per_conn (BusConnections *connections);
int bus_connections_get_total_bus_names (BusConnections *connections);
int bus_connections_get_peak_bus_names (BusConnections *connections);
int bus_connections_get_peak_bus_names_per_conn (BusConnections *connections);
int bus_connection_get_peak_match_rules (DBusConnection *connection);
int bus_connection_get_peak_bus_names (DBusConnection *connection);
#endif /* BUS_CONNECTION_H */