Zabbix

...G...... [ZBX-25530] fixed Zabbix agent 2 startup failures caused by insufficient buffer size for performance counters

* commit 'e9ccdfd1d2d2e407a1328f0420ee536a980b1316':
  ...G...... [ZBX-25530] fixed request to get buffer size
  ...G...... [ZBX-25530] removed debug logs
  ...G...... [ZBX-25530] added mutex
  ...G...... [ZBX-25530] fixed Zabbix agent 2 startup failures due to insufficient buffer size for performance counters

(cherry picked from commit 97a32b32f44380182f4ac504ade7168d98fc9e8f)
(cherry picked from commit 1a1e295d76ac317bb7ac06aab7286847de735eb1)
(cherry picked from commit 64caa3bf6b9b973eaa81488827815d01cca10e00)