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dump cma debugfs into dumpstate_board.txt

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CMA debugfs provides how many CMA pages were allocated. It's useful to
detect CMA memory leak.

E.g) --- /sys/kernel/debug/cma/cma-faceauth_tp

Bug: 276901078
Test: dumpstate_board.txt on adb bugreport includes the info
Change-Id: Ic050c78ff6455a2960be239732ab6214c3789106
Signed-off-by: Minchan Kim <minchan@google.com>
This commit is contained in:
Minchan Kim 2023-04-04 08:37:21 -07:00
parent 9df2606139
commit 6c81eeca82
4 changed files with 12 additions and 2 deletions
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8
soc/dump_memory.sh
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@ -20,3 +20,11 @@ cat "/d/dma_buf/bufinfo"
echo "------ Page Pinner - longterm pin ------"
cat "/sys/kernel/debug/page_pinner/buffer"
echo "------ CMA info ------"
for d in $(ls -d /sys/kernel/debug/cma/*)
do
echo --- $d
echo --- count; cat $d/count;
echo --- used; cat $d/used;
echo --- bitmap; cat $d/bitmap;
done