[LU-13268] customize lnet-selftest for performance

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.14.0
• Affects Version/s: Lustre 2.12.4

Epic/Theme

patch

• Assignee: Elena Gryaznova
• Reporter: Elena Gryaznova

Description

Sometimes we need to run LST read/write/ping tests separately with different lst check flags.

Proposed patch allows to:
set the required list of tests via new lst_TESTS variable;
set lst check to LST_BRW_CHECK_NONE, LST_BRW_CHECK_FULL or LST_BRW_CHECK_SIMPLE.