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README

      1 TEST SUITE:
      2 
      3 The directory memctl contains the tests related to memory controller.
      4 More testcases are expected to be added in future.
      5 
      6 TESTS AIM:
      7 
      8 The aim of the tests is to test memory controller functionality.
      9 
     10 FILES DESCRIPTION:
     11 
     12 memctl_testN.c
     13 ---------------
     14 These are the tasks to run for memory controller testing.
     15 The tasks have been automated in the sense that they can assign themselves
     16 to the appropriate group, can migrate to another group etc.
     17 Maximum effort has been made to reuse the code and keep total code size low.
     18 
     19 myfunctions.sh
     20 ----------
     21 This file contains the functions which are common for all the tests. For ex.
     22 the setup and cleanup functions which do the setup for running the test and do
     23 the cleanup once the test finishes. The setup() function creates /dev/memctl
     24 directory and mounts cgroup filesystem on it with memory controller. It then
     25 creates a number(n) of groups in /dev/memctl. The cleanup function does a
     26 complete cleanup of the system.
     27 
     28 Most of the error scenarios have been taken care of for a sane cleanup of the
     29 system. However if cleanup fails in any case, just manually execute the
     30 commands written in cleanup function in myfunctions.sh.
     31 One of the most common causes of failed cleanup is that you have done cd into
     32 any of the groups in controller dir tree.
     33 
     34 run_memctl_test.sh
     35 ------------------
     36 This script creates different scenarios for memory controller testing and
     37 fires (n) tasks in different groups to do some memory allocations etc. It
     38 waits for the return status from tasks and reports test pass/fail accordingly.
     39 
     40 Makefile
     41 --------
     42 
     43 The usual makefile for this directory
     44 
     45 PASS/FAIL CRITERION:
     46 ==================
     47 The test cases are intelligent enough in deciding the pass or failure of a
     48 test.
     49 
     50 README:
     51 --------
     52 The one you have gone through.
     53 
     54