sql: config up

Author: zhongming Fan

collector/default_metrics.toml

@@ -1,3 +1,9 @@
+[[metric]]
+context = "uptime"
+labels = [ "inst_id", "node_name", "instance_name"]
+metricsdesc = { seconds = "instance uptime" }
+request = "SELECT instance_number AS inst_id, host_name AS node_name, instance_name, (SYSDATE - startup_time) * 86400 AS seconds FROM v$instance"
+
 [[metric]]
 context = "sessions"
 labels = [ "status", "type" ]
@@ -16,9 +22,9 @@ ignorezeroresult = true
 
 [[metric]]
 context = "asm_diskgroup"
-labels = [ "name" ]
-metricsdesc = { total = "Total size of ASM disk group.", free = "Free space available on ASM disk group." }
-request = "SELECT name,total_mb*1024*1024 as total,free_mb*1024*1024 as free FROM v$asm_diskgroup_stat where exists (select 1 from v$datafile where name like '+%')"
+labels = [ "diskgroup_name" ]
+metricsdesc = { total = "Total size of ASM disk group.", free = "Free space available on ASM disk group.", usage = "Percentage of ASM disk group used."}
+request = "SELECT name as diskgroup_name,total_mb*1024*1024 as total,free_mb*1024*1024 as free, (1 - free_mb / total_mb) * 100 as usage FROM v$asm_diskgroup_stat where exists (select 1 from v$datafile where name like '+%')"
 ignorezeroresult = true
 
 [[metric]]
@@ -34,19 +40,17 @@ request = "SELECT COUNT(*) as count FROM v$process"
 
 [[metric]]
 context = "wait_time"
-labels = ["wait_class","con_id"]
-metricsdesc = { time_waited_sec_total="counter metric from system_wait_class view in Oracle." }
-metricstype = { time_waited_sec_total = "counter" }
+metricsdesc = { value="Generic counter metric from v$waitclassmetric view in Oracle." }
 fieldtoappend= "wait_class"
 request = '''
-select
-  wait_class,
-  round(time_waited/100,3) time_waited_sec_total,
-  con_id
-from v$system_wait_class
-where wait_class <> 'Idle'
+SELECT
+  n.wait_class as WAIT_CLASS,
+  round(m.time_waited*10/(m.INTSIZE_CSEC),3) as VALUE
+FROM
+  v$waitclassmetric  m, v$system_wait_class n
+WHERE
+  m.wait_class_id=n.wait_class_id AND n.wait_class != 'Idle'
 '''
-ignorezeroresult = true
 
 [[metric]]
 context = "tablespace"
@@ -65,6 +69,31 @@ WHERE dtum.tablespace_name = dt.tablespace_name
 ORDER by tablespace
 '''
 
+
+[[metric]]
+context = "pga"
+metricsdesc = { total = "Generic counter metric of aggregate PGA target parameter in Oracle.", used = "Generic counter metric of total PGA allocated in Oracle.", used_percent = "Gauge metric showing as a percentage of how much of the PGA has been used." }
+request = '''
+SELECT
+    (SELECT value FROM v$pgastat WHERE name = 'aggregate PGA target parameter') AS total,
+    (SELECT value FROM v$pgastat WHERE name = 'total PGA allocated') AS used,
+    (SELECT value FROM v$pgastat WHERE name = 'total PGA allocated') / (SELECT value FROM v$pgastat WHERE name = 'aggregate PGA target parameter') * 100 AS used_percent
+FROM
+    dual
+'''
+
+[[metric]]
+context = "sga"
+metricsdesc = { total = "Generic counter metric of total SGA size in Oracle.", free = "Generic counter metric of free SGA memory in Oracle.", used_percent = "Gauge metric showing as a percentage of how much of the SGA has been used." }
+request = '''
+SELECT
+    (SELECT SUM(value) FROM v$sga) AS total,
+    (SELECT SUM(bytes) FROM v$sgastat WHERE name = 'free memory') AS free,
+    ((SELECT SUM(value) FROM v$sga) - (SELECT SUM(bytes) FROM v$sgastat WHERE name = 'free memory')) / (SELECT SUM(value) FROM v$sga) * 100 AS used_percent
+FROM
+    dual
+'''
+
 [[metric]]
 context = "db_system"
 labels = [ "name" ]