diff options
| author | Haicheng Li <haicheng.li@linux.intel.com> | 2010-03-09 11:12:48 +0800 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2010-03-13 00:00:05 +0100 |
| commit | 246386dee26f14ea4204d694284b186075b7f3bc (patch) | |
| tree | 1b18c218317e94999eb3d9621fee2dfc7f04ed73 | |
| parent | 6ee0f7451ff4ed43cf17280d3797f0f29267f929 (diff) | |
| download | mce-test-246386dee26f14ea4204d694284b186075b7f3bc.tar.gz | |
hwpoison.sh: avoid unexpected page-state changing while stress testing.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rwxr-xr-x | stress/hwpoison.sh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/stress/hwpoison.sh b/stress/hwpoison.sh index 4263d08..3f14f04 100755 --- a/stress/hwpoison.sh +++ b/stress/hwpoison.sh @@ -167,6 +167,10 @@ setup_errinj() if [ $g_madvise -eq 1 ]; then [ -f "$g_debugfs/hwpoison/corrupt-filter-enable" ] && echo 0 > $g_debugfs/hwpoison/corrupt-filter-enable + # to avoid unexpected page-state changing in background while testing. + echo 70 > /proc/sys/vm/dirty_background_ratio + echo 70 > /proc/sys/vm/dirty_ratio + echo 1000000 > /proc/sys/vm/dirty_expire_centisecs return else [ -f "$g_debugfs/hwpoison/corrupt-filter-enable" ] && echo 1 > $g_debugfs/hwpoison/corrupt-filter-enable @@ -797,6 +801,11 @@ cleanup() fs_sync result_check df | grep $g_dev > /dev/null 2>&1 && silent_exec umount -f $g_dev + if [ $g_madvise -eq 1 ]; then + echo $g_vm_dirty_background_ratio > /proc/sys/vm/dirty_background_ratio + echo $g_vm_dirty_ratio > /proc/sys/vm/dirty_ratio + echo $g_vm_dirty_expire_centisecs > /proc/sys/vm/dirty_expire_centisecs + fi end "preparing to complete testing" log "!!! Linux HWPOISON stress testing DONE !!!" log "result: $g_result" @@ -855,6 +864,11 @@ g_highmem_e= # end pfn of highmem g_lowmem_s= # start pfn of mem < 4G g_lowmem_e= # end pfn of mem < 4G +# madvise injector specific global variable +g_vm_dirty_background_ratio=`cat /proc/sys/vm/dirty_background_ratio` +g_vm_dirty_ratio=`cat /proc/sys/vm/dirty_ratio` +g_vm_dirty_expire_centisecs=`cat /proc/sys/vm/dirty_expire_centisecs` + while getopts ":c:d:f:l:t:o:i:r:p:s:hLMAFNV" option do case $option in |