* [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use
@ 2020-01-17 6:36 Petr Vorel
2020-01-19 8:33 ` Li Wang
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Petr Vorel @ 2020-01-17 6:36 UTC (permalink / raw)
To: ltp
Fix freeze on systems, where where swap size is more
or less equal to a system RAM.
Fixes: #632
Reported-by: Zuo Liu <lz843723683@gmail.com>
Tested-by: Zuo Liu <lz843723683@gmail.com>
Suggested-by: Cyril Hrubis <chrubis@suse.cz>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
index ad8605e16..a48d21e6e 100755
--- a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
+++ b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
@@ -33,7 +33,7 @@ setup()
local swap_free=`cat /proc/meminfo | grep SwapFree | awk '{ print $2 }'`
local pgsize=`tst_getconf PAGESIZE`
- MEM=$(( $mem_free + $swap_free / 2 ))
+ MEM=$(( $mem_free + $swap_free / 1O ))
MEM=$(( $MEM / 1024 ))
RUN_TIME=$(( 15 * 60 ))
[ "$pgsize" = "4096" ] && THREAD_SPARE_MB=1 || THREAD_SPARE_MB=8
--
2.24.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use
2020-01-17 6:36 [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use Petr Vorel
@ 2020-01-19 8:33 ` Li Wang
2020-01-21 14:14 ` Cyril Hrubis
2020-03-04 11:48 ` Petr Vorel
2 siblings, 0 replies; 4+ messages in thread
From: Li Wang @ 2020-01-19 8:33 UTC (permalink / raw)
To: ltp
Ack.
On Fri, Jan 17, 2020, 07:36 Petr Vorel <pvorel@suse.cz> wrote:
> Fix freeze on systems, where where swap size is more
> or less equal to a system RAM.
>
> Fixes: #632
>
> Reported-by: Zuo Liu <lz843723683@gmail.com>
> Tested-by: Zuo Liu <lz843723683@gmail.com>
> Suggested-by: Cyril Hrubis <chrubis@suse.cz>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
> a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> index ad8605e16..a48d21e6e 100755
> --- a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> +++ b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> @@ -33,7 +33,7 @@ setup()
> local swap_free=`cat /proc/meminfo | grep SwapFree | awk '{ print
> $2 }'`
> local pgsize=`tst_getconf PAGESIZE`
>
> - MEM=$(( $mem_free + $swap_free / 2 ))
> + MEM=$(( $mem_free + $swap_free / 1O ))
> MEM=$(( $MEM / 1024 ))
> RUN_TIME=$(( 15 * 60 ))
> [ "$pgsize" = "4096" ] && THREAD_SPARE_MB=1 || THREAD_SPARE_MB=8
> --
> 2.24.1
>
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
>
>
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^ permalink raw reply [flat|nested] 4+ messages in thread* [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use
2020-01-17 6:36 [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use Petr Vorel
2020-01-19 8:33 ` Li Wang
@ 2020-01-21 14:14 ` Cyril Hrubis
2020-03-04 11:48 ` Petr Vorel
2 siblings, 0 replies; 4+ messages in thread
From: Cyril Hrubis @ 2020-01-21 14:14 UTC (permalink / raw)
To: ltp
Hi!
> Fix freeze on systems, where where swap size is more
> or less equal to a system RAM.
>
> Fixes: #632
>
> Reported-by: Zuo Liu <lz843723683@gmail.com>
> Tested-by: Zuo Liu <lz843723683@gmail.com>
> Suggested-by: Cyril Hrubis <chrubis@suse.cz>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> index ad8605e16..a48d21e6e 100755
> --- a/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> +++ b/testcases/kernel/controllers/memcg/stress/memcg_stress_test.sh
> @@ -33,7 +33,7 @@ setup()
> local swap_free=`cat /proc/meminfo | grep SwapFree | awk '{ print $2 }'`
> local pgsize=`tst_getconf PAGESIZE`
>
> - MEM=$(( $mem_free + $swap_free / 2 ))
> + MEM=$(( $mem_free + $swap_free / 1O ))
I wonder if we can be a bit smarter about this. Maybe we should add some
percentage of RAM if enough swap is present.
--
Cyril Hrubis
chrubis@suse.cz
^ permalink raw reply [flat|nested] 4+ messages in thread* [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use
2020-01-17 6:36 [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use Petr Vorel
2020-01-19 8:33 ` Li Wang
2020-01-21 14:14 ` Cyril Hrubis
@ 2020-03-04 11:48 ` Petr Vorel
2 siblings, 0 replies; 4+ messages in thread
From: Petr Vorel @ 2020-03-04 11:48 UTC (permalink / raw)
To: ltp
ji,
> - MEM=$(( $mem_free + $swap_free / 2 ))
> + MEM=$(( $mem_free + $swap_free / 1O ))
Sorry, this is a typo, it's "o", but it must be 0.
MEM=$(( $mem_free + $swap_free / 10 ))
Kind regards,
Petr
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-01-17 6:36 [LTP] [PATCH 1/1] memcg/stress: Lower swap memory use Petr Vorel
2020-01-19 8:33 ` Li Wang
2020-01-21 14:14 ` Cyril Hrubis
2020-03-04 11:48 ` Petr Vorel
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