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PT-1718 - Have pt-stalk collect performance_schema.threads along with information_schema.processlist

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- Update collect.sh file and add code for collecting threads details.
- Add PT-1718-threads.t test file for testing this fix.
This commit is contained in:
nilnandan
2025-07-30 14:11:43 +00:00
parent 7a8fee3d86
commit 6588510632
3 changed files with 83 additions and 2 deletions
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9
lib/bash/collect.sh
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@@ -286,8 +286,15 @@ collect_system_data() {
}
collect_mysql_data_loop() {
(echo $ts; $CMD_MYSQL $EXT_ARGV -e "SHOW FULL PROCESSLIST\G") \
# SHOW FULL PROCESSLIST duplicates information in performance_schema.threads we collecting now
# Keeping it for backward compatibility and may remove in the future
(echo $ts; $CMD_MYSQL $EXT_ARGV -e "SHOW FULL PROCESSLIST\G") \
>> "$d/$p-processlist" &
(echo $ts; $CMD_MYSQL $EXT_ARGV -e "SELECT * FROM performance_schema.threads\G") \
>> "$d/$p-threads" &
if [ "$have_lock_waits_table" ]; then
(echo $ts; lock_waits "$d/lock_waits.running") >>"$d/$p-lock-waits" &
(echo $ts; transactions) >>"$d/$p-transactions" &