Re: [LTP] [PATCH] [syscalls] getrusage03: test ru_maxrss

[Caspar Zhang <czhang@redhat.com>]

On 05/16/2011 11:05 PM, Caspar Zhang wrote:
> 
> getrusage03 - test ru_maxrss behaviors in struct rusage
> 
> This test program is backported from upstream commit:
> 1f10206cf8e945220f7220a809d8bfc15c21f9a5, which fills ru_maxrss
> value in struct rusage according to rss hiwater mark. To make sure
> this feature works correctly, a series of tests are executed in
> this program.
> 
> Signed-off-by: Caspar Zhang <czhang@redhat.com>
> ---
>  runtest/syscalls                                  |    1 +
>  testcases/kernel/syscalls/getrusage/child.c       |  165 ++++++++++
>  testcases/kernel/syscalls/getrusage/getrusage03.c |  341 +++++++++++++++++++++
>  3 files changed, 507 insertions(+), 0 deletions(-)
>  create mode 100644 testcases/kernel/syscalls/getrusage/child.c
>  create mode 100644 testcases/kernel/syscalls/getrusage/getrusage03.c
> 

PASS/FAIL Criteria
==================
This test PASS when all sub-tests executed successfully and return code
is 0. The test gets FAIL when any TFAIL/TBROK information occurs on
output or/and the return code is a non-zero value.

EXAMPLE OUTPUT
==============
getrusage03    0  TINFO  :  allocate 100MB
getrusage03    0  TINFO  :  Testcase #01: fork inherit
getrusage03    0  TINFO  :  initial.self = 108456
child_proc     0  TINFO  :  child.self = 103632
getrusage03    1  TPASS  :  initial.self ~= child.self
getrusage03    0  TINFO  :  Testcase #02: fork inherit(cont.)
getrusage03    0  TINFO  :  initial.children = 105244
getrusage03    2  TPASS  :  initial.children ~= 100MB
child_proc     0  TINFO  :  child.children = 0
getrusage03    3  TPASS  :  child.children == 0
getrusage03    0  TINFO  :  Testcase #03: fork + malloc
getrusage03    0  TINFO  :  initial.self = 108716
child_proc     0  TINFO  :  child allocate +50MB
child_proc     0  TINFO  :  child.self = 154744
getrusage03    4  TPASS  :  initial.self + 50MB ~= child.self
getrusage03    0  TINFO  :  Testcase #04: grandchild maxrss
getrusage03    0  TINFO  :  initial.children = 156460
child_proc     0  TINFO  :  grandchild allocate 300MB
getrusage03    0  TINFO  :  post_wait.children = 310028
getrusage03    5  TPASS  :  child.children ~= 300MB
getrusage03    0  TINFO  :  Testcase #05: zombie
getrusage03    0  TINFO  :  initial.children = 310028
child_proc     0  TINFO  :  child allocate 400MB
getrusage03    0  TINFO  :  pre_wait.children = 310028
getrusage03    6  TPASS  :  initial.children ~= pre_wait.children
getrusage03    0  TINFO  :  post_wait.children = 415972
getrusage03    7  TPASS  :  post_wait.children ~= 400MB
getrusage03    0  TINFO  :  Testcase #06: SIG_IGN
getrusage03    0  TINFO  :  initial.children = 415972
child_proc     0  TINFO  :  child allocate 500MB
getrusage03    0  TINFO  :  after_zombie.children = 415972
getrusage03    8  TPASS  :  initial.children ~= after_zombie.children
getrusage03    0  TINFO  :  Testcase #07: exec without fork
getrusage03    0  TINFO  :  initial.self = 108720, initial.children = 415972
child_proc     0  TINFO  :  exec.self = 108732, exec.children = 415972
child_proc     1  TPASS  :  initial.self ~= exec.self
child_proc     2  TPASS  :  initial.children ~= exec.children

# echo $?
0

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