Added `lowmem_prunes' to MySQL QCache statistics

diff --git a/src/mysql.c b/src/mysql.c
index 8400a56..ac65f75 100644 (file)
--- a/src/mysql.c
+++ b/src/mysql.c
@@ -77,17 +77,18 @@ static char *qcache_ds_def[] =
        "DS:hits:COUNTER:25:0:U",
        "DS:inserts:COUNTER:25:0:U",
        "DS:not_cached:COUNTER:25:0:U",
+       "DS:lowmem_prunes:COUNTER:25:0:U",
        "DS:queries_in_cache:GAUGE:25:0:U",
        NULL
 };
-static int qcache_ds_num = 4;
+static int qcache_ds_num = 5;
 
 static char *threads_ds_def[] =
 {
        "DS:running:GAUGE:25:0:U",
        "DS:connected:GAUGE:25:0:U",
        "DS:cached:GAUGE:25:0:U",
-       "DS:created:COUNTER:25:0:u",
+       "DS:created:COUNTER:25:0:U",
        NULL
 };
 static int threads_ds_num = 4;
@@ -201,6 +202,12 @@ static void handler_write (char *host, char *inst, char *val)
        rrd_update_file (host, buf, val, handler_ds_def, handler_ds_num);
 }
 
+static void qcache_write (char *host, char *inst, char *val)
+{
+       rrd_update_file (host, qcache_file, val,
+                       qcache_ds_def, qcache_ds_num);
+}
+
 static void threads_write (char *host, char *inst, char *val)
 {
        rrd_update_file (host, threads_file, val,
@@ -213,12 +220,6 @@ static void traffic_write (char *host, char *inst, char *val)
                        traffic_ds_def, traffic_ds_num);
 }
 
-static void qcache_write (char *host, char *inst, char *val)
-{
-       rrd_update_file (host, qcache_file, val,
-                       qcache_ds_def, qcache_ds_num);
-}
-
 #if MYSQL_HAVE_READ
 static void commands_submit (char *inst, unsigned long long value)
 {
@@ -263,14 +264,15 @@ static void handler_submit (char *inst, unsigned long long value)
 }
 
 static void qcache_submit (unsigned long long hits, unsigned long long inserts,
-               unsigned long long not_cached, int queries_in_cache)
+               unsigned long long not_cached, unsigned long long lowmem_prunes,
+               int queries_in_cache)
 {
        char buf[BUFSIZE];
        int  status;
 
-       status = snprintf (buf, BUFSIZE, "%u:%llu:%llu:%llu:%i",
+       status = snprintf (buf, BUFSIZE, "%u:%llu:%llu:%llu:%llu:%i",
                        (unsigned int) curtime, hits, inserts, not_cached,
-                       queries_in_cache);
+                       lowmem_prunes, queries_in_cache);
 
        if (status < 0)
        {
@@ -342,9 +344,10 @@ static void mysql_read (void)
        int        query_len;
        int        field_num;
 
-       unsigned long long qcache_hits       = 0ULL;
-       unsigned long long qcache_inserts    = 0ULL;
-       unsigned long long qcache_not_cached = 0ULL;
+       unsigned long long qcache_hits          = 0ULL;
+       unsigned long long qcache_inserts       = 0ULL;
+       unsigned long long qcache_not_cached    = 0ULL;
+       unsigned long long qcache_lowmem_prunes = 0ULL;
        int qcache_queries_in_cache = -1;
 
        int threads_running   = -1;
@@ -412,6 +415,8 @@ static void mysql_read (void)
                                qcache_inserts = val;
                        else if (strcmp (key, "Qcache_not_cached") == 0)
                                qcache_not_cached = val;
+                       else if (strcmp (key, "Qcache_lowmem_prunes") == 0)
+                               qcache_lowmem_prunes = val;
                        else if (strcmp (key, "Qcache_queries_in_cache") == 0)
                                qcache_queries_in_cache = (int) val;
                }
@@ -438,9 +443,10 @@ static void mysql_read (void)
 
        if ((qcache_hits != 0ULL)
                        || (qcache_inserts != 0ULL)
-                       || (qcache_not_cached != 0ULL))
+                       || (qcache_not_cached != 0ULL)
+                       || (qcache_lowmem_prunes != 0ULL))
                qcache_submit (qcache_hits, qcache_inserts, qcache_not_cached,
-                               qcache_queries_in_cache);
+                               qcache_lowmem_prunes, qcache_queries_in_cache);
 
        if (threads_created != 0ULL)
                threads_submit (threads_running, threads_connected,