| #!/system/bin/sh |
| |
| TRACE=/sys/kernel/debug/tracing/ |
| dev=$(((8<<20) + 17)) # sdb1 (8,17) |
| |
| echo 1 > $TRACE/tracing_on |
| |
| # mmc tracepoints |
| echo 0 > $TRACE/events/mmc/enable |
| |
| # 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_write_begin/enable |
| echo $W > $TRACE/events/f2fs/f2fs_write_end/enable |
| |
| echo 0 > $TRACE/events/f2fs/f2fs_submit_page_bio/enable |
| echo 0 > $TRACE/events/f2fs/f2fs_submit_page_mbio/enable |
| echo $R > $TRACE/events/f2fs/f2fs_submit_read_bio/enable |
| echo $W > $TRACE/events/f2fs/f2fs_submit_write_bio/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 |
