-#!/bin/bash
+#!/system/bin/sh
TRACE=/sys/kernel/debug/tracing/
dev=$(((8<<20) + 17)) # sdb1 (8,17)
-echo 1 > tracing_on
+echo 1 > $TRACE/tracing_on
# block tracepoints
-echo "dev == $dev" > $TRACE/events/block/block_rq_complete/filter
-echo 1 > $TRACE/events/block/block_rq_complete/enable
+#echo "dev == $dev" > $TRACE/events/block/block_rq_complete/filter
+echo 0 > $TRACE/events/block/block_rq_complete/enable
echo 0 > $TRACE/events/block/block_bio_complete/enable
# GC
# IOs
R=0
W=0
-echo $W > $TRACE/events/f2fs/f2fs_submit_write_page/enable
-echo $W > $TRACE/events/f2fs/f2fs_do_submit_bio/enable
echo $R > $TRACE/events/f2fs/f2fs_readpage/enable
+echo $W > $TRACE/events/f2fs/f2fs_writepage/enable
+echo $W > $TRACE/events/f2fs/f2fs_submit_write_bio/enable
+echo $R > $TRACE/events/f2fs/f2fs_submit_read_bio/enable
+
+echo 0 > $TRACE/events/f2fs/f2fs_submit_page_bio/enable
+echo 0 > $TRACE/events/f2fs/f2fs_submit_page_mbio/enable
+echo 0 > $TRACE/events/f2fs/f2fs_issue_discard/enable
+echo 0 > $TRACE/events/f2fs/f2fs_issue_flush/enable
# VFS interfaces
V=0