On 04/24/2012 03:43 PM, Peng Haitao wrote:
> In memory.txt says:
> usage_in_bytes is affected by the method and doesn't show 'exact' value of
> memory(and swap) usage, it's an fuzz value for efficient access. (Of course,
> when necessary, it's synchronized.) If you want to know more exact memory
> usage, you should use RSS+CACHE(+SWAP) value in memory.stat(see 5.2).
>
> So memory.usage_in_bytes should be replaced with memory.stat in the case of
> memcg_move_charge_at_immigrate_test.
>
> Signed-off-by: Peng Haitao <[email protected]>
pushed, thanks Peng,
Wanlong Gao
> ---
> testcases/kernel/controllers/memcg/functional/memcg_lib.sh | 6 ++++--
> .../memcg/functional/memcg_move_charge_at_immigrate_test.sh | 8
> ++++----
> 2 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
> b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
> index 470932d..fd2c7fd 100755
> --- a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
> +++ b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
> @@ -380,9 +380,11 @@ test_move_charge()
> echo $! > subgroup_b/tasks
>
> cd subgroup_b
> - check_mem_stat memory.usage_in_bytes $4
> + check_mem_stat "rss" $4
> + check_mem_stat "cache" $5
> cd ../subgroup_a
> - check_mem_stat memory.usage_in_bytes $5
> + check_mem_stat "rss" $6
> + check_mem_stat "cache" $7
>
> cd ..
> echo $! > tasks
> diff --git
> a/testcases/kernel/controllers/memcg/functional/memcg_move_charge_at_immigrate_test.sh
>
> b/testcases/kernel/controllers/memcg/functional/memcg_move_charge_at_immigrate_test.sh
> index fb639c7..cf2c603 100755
> ---
> a/testcases/kernel/controllers/memcg/functional/memcg_move_charge_at_immigrate_test.sh
> +++
> b/testcases/kernel/controllers/memcg/functional/memcg_move_charge_at_immigrate_test.sh
> @@ -35,27 +35,27 @@ export TST_COUNT=0
> # Test disable moving charges
> testcase_1()
> {
> - test_move_charge "--mmap-anon" $PAGESIZE 0 0 $PAGESIZE
> + test_move_charge "--mmap-anon" $PAGESIZE 0 0 0 $PAGESIZE 0
> }
>
> # Test move anon
> testcase_2()
> {
> test_move_charge "--mmap-anon --shm --mmap-file" $PAGESIZE 1 \
> - $PAGESIZE $((PAGESIZE*2))
> + $PAGESIZE 0 0 $((PAGESIZE*2))
> }
>
> # Test move file
> testcase_3()
> {
> test_move_charge "--mmap-anon --shm --mmap-file" $PAGESIZE 2 \
> - $((PAGESIZE*2)) $PAGESIZE
> + 0 $((PAGESIZE*2)) $PAGESIZE 0
> }
>
> # Test move anon and file
> testcase_4()
> {
> - test_move_charge "--mmap-anon --shm" $PAGESIZE 3 $((PAGESIZE*2)) 0
> + test_move_charge "--mmap-anon --shm" $PAGESIZE 3 $PAGESIZE $PAGESIZE 0 0
> }
>
> # Run all the test cases
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