init.gs101.rc: dump page_pinner information into bugreport
Dump page_pinner information into dumpstate_board.txt.
It helps to find vulnerable place of CMA failure.
Page pinned ts 13 us count 0
PFN 10292273 Block 10051 type CMA Flags 0x8000000000080024(uptodate|active|swapbacked)
try_grab_page+0x168/0x17c
follow_page_pte+0x2e4/0x4c8
follow_pmd_mask+0x180/0x498
__get_user_pages+0x1a0/0x42c
__get_user_pages_remote+0xa4/0x28c
get_user_pages_remote+0x20/0x48
copy_strings+0x188/0x2ac
do_execveat_common+0x278/0x300
__arm64_sys_execve+0x44/0x5c
el0_svc_common+0xa4/0x180
do_el0_svc+0x28/0x88
el0_svc+0x14/0x24
el0_sync_handler+0x88/0xec
el0_sync+0x19c/0x1c0
Page pinned ts 2 us count 0
PFN 10436170 Block 10191 type CMA Flags 0x8000000000080026(referenced|uptodate|active|swapbacked)
try_grab_page+0x168/0x17c
follow_page_pte+0x2e4/0x4c8
follow_pmd_mask+0x180/0x498
__get_user_pages+0x1a0/0x42c
__get_user_pages_remote+0xa4/0x28c
get_user_pages_remote+0x20/0x48
copy_strings+0x188/0x2ac
do_execveat_common+0x290/0x300
__arm64_sys_execve+0x44/0x5c
el0_svc_common+0xa4/0x180
do_el0_svc+0x28/0x88
el0_svc+0x14/0x24
el0_sync_handler+0x88/0xec
el0_sync+0x19c/0x1c0
Bug: 187552095
Test: adb bugreport <zip> and confirmed it contains page_pinner
information.
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I59bd41ad9e06cab0348ce85059f73d0796632868
2 files changed