1 files changed, 65 insertions, 0 deletions
diff --git a/scripts/tracepoint.sh b/scripts/tracepoint.sh
new file mode 100755
index 0000000..7f5a9b8
--- /dev/null
+++ b/scripts/tracepoint.sh
@@ -0,0 +1,65 @@
+#!/system/bin/sh
+
+TRACE=/sys/kernel/debug/tracing/
+dev=$(((8<<20) + 17)) # sdb1 (8,17)
+
+echo 1 > $TRACE/tracing_on
+
+# block tracepoints
+#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
+G=0
+echo $G > $TRACE/events/f2fs/f2fs_get_victim/enable
+
+# block allocation
+A=0
+echo $A > $TRACE/events/f2fs/f2fs_reserve_new_block/enable
+
+# block truncation
+T=0
+echo $T > $TRACE/events/f2fs/f2fs_truncate/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_inode_blocks_enter/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_inode_blocks_exit/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_blocks_enter/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_blocks_exit/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_nodes_enter/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_nodes_exit/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_data_blocks_range/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_node/enable
+echo $T > $TRACE/events/f2fs/f2fs_truncate_partial_nodes/enable
+
+# syscalls
+S=0
+echo $S > $TRACE/events/f2fs/f2fs_unlink_enter/enable
+echo $S > $TRACE/events/f2fs/f2fs_unlink_exit/enable
+echo $S > $TRACE/events/f2fs/f2fs_fallocate/enable
+echo $S > $TRACE/events/f2fs/f2fs_get_data_block/enable
+
+# IOs
+R=0
+W=0
+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
+echo $V > $TRACE/events/f2fs/f2fs_iget/enable
+echo $V > $TRACE/events/f2fs/f2fs_iget_exit/enable
+echo $V > $TRACE/events/f2fs/f2fs_new_inode/enable
+echo $V > $TRACE/events/f2fs/f2fs_evict_inode/enable
+echo $V > $TRACE/events/f2fs/f2fs_sync_file_enter/enable
+echo $V > $TRACE/events/f2fs/f2fs_sync_file_exit/enable
+echo $V > $TRACE/events/f2fs/f2fs_write_checkpoint/enable
+echo $V > $TRACE/events/f2fs/f2fs_sync_fs/enable
+
+cat $TRACE/trace_pipe