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PT-81 Collect information about locks and transactions using P_S

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This commit is contained in:
Carlos Salguero
2017-02-23 18:00:00 -03:00
parent b118e39d10
commit b3776a25a8
1 changed files with 25 additions and 0 deletions
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25
bin/pt-stalk
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@@ -832,6 +832,8 @@ collect() {
log "Could not find the MySQL error log"
fi
ps_locks_transactions "$d/$p-ps-locks-transactions"
if [ "${mysql_version}" '>' "5.1" ]; then
local mutex="SHOW ENGINE INNODB MUTEX"
else
@@ -1062,6 +1064,29 @@ tokudb_status() {
>> "$d/$p-tokudbstatus$n" || rm -f "$d/$p-tokudbstatus$n"
}
ps_locks_transactions() {
local outfile=$1
mysql -e 'select @@performance_schema' | grep "1" &>/dev/null
if [ $? -eq 0 ]; then
local status="select t.processlist_id, ml.* from performance_schema.metadata_locks ml join performance_schema.threads t on (ml.owner_thread_id=t.thread_id)\G"
echo -e "\n$status\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$status" >> $outfile
local status="select t.processlist_id, et.* from performance_schema.events_transactions_current et join performance_schema.threads t using(thread_id)\G"
echo -e "\n$status\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$status" >> $outfile
local status="select t.processlist_id, et.* from performance_schema.events_transactions_history_long et join performance_schema.threads t using(thread_id)\G"
echo -e "\n$status\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$status" >> $outfile
else
echo "Performance schema is not enabled" >> outfile
fi
}
innodb_status() {
local n=$1