2026-03-12 20:23:15

timhall/monitoring/latch_holders.sql

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+-- -----------------------------------------------------------------------------------
+-- File Name    : https://oracle-base.com/dba/monitoring/latch_holders.sql
+-- Author       : Tim Hall
+-- Description  : Displays information about all current latch holders.
+-- Requirements : Access to the V$ views.
+-- Call Syntax  : @latch_holders
+-- Last Modified: 15-JUL-2000
+-- -----------------------------------------------------------------------------------
+SET LINESIZE 200
+
+SELECT l.name "Latch Name",
+       lh.pid "PID",
+       lh.sid "SID",
+       l.gets "Gets (Wait)",
+       l.misses "Misses (Wait)",
+       l.sleeps "Sleeps (Wait)",
+       l.immediate_gets "Gets (No Wait)",
+       l.immediate_misses "Misses (Wait)"
+FROM   v$latch l,
+       v$latchholder lh
+WHERE  l.addr = lh.laddr
+ORDER BY l.name;