diff options
Diffstat (limited to 'analysis/loop/ftrace/loop_device_write.txt')
| -rw-r--r-- | analysis/loop/ftrace/loop_device_write.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/analysis/loop/ftrace/loop_device_write.txt b/analysis/loop/ftrace/loop_device_write.txt new file mode 100644 index 0000000..52086f9 --- /dev/null +++ b/analysis/loop/ftrace/loop_device_write.txt @@ -0,0 +1,24 @@ + dd-27058 [000] 24561.155144: funcgraph_entry: 2.976 us | lo_open(); + kworker/0:1H-213 [000] 24561.155252: funcgraph_entry: + 11.023 us | loop_queue_rq(); + loop0-26894 [000] 24561.155273: funcgraph_entry: | loop_queue_work() { + loop0-26894 [000] 24561.155273: funcgraph_entry: | loop_handle_cmd() { + loop0-26894 [000] 24561.155273: funcgraph_entry: | do_req_filebacked() { + loop0-26894 [000] 24561.155274: funcgraph_entry: 7.457 us | lo_read_simple(); + loop0-26894 [000] 24561.155281: funcgraph_exit: 7.969 us | } + loop0-26894 [000] 24561.155287: funcgraph_exit: + 14.226 us | } + loop0-26894 [000] 24561.155287: funcgraph_exit: + 14.784 us | } + ksoftirqd/0-9 [000] 24561.155296: funcgraph_entry: + 14.422 us | lo_complete_rq(); + dd-27058 [000] 24561.155414: funcgraph_entry: 8.161 us | loop_queue_rq(); + loop0-26894 [000] 24561.155429: funcgraph_entry: | loop_queue_work() { + loop0-26894 [000] 24561.155429: funcgraph_entry: | loop_handle_cmd() { + loop0-26894 [000] 24561.155430: funcgraph_entry: | do_req_filebacked() { + loop0-26894 [000] 24561.155430: funcgraph_entry: | lo_write_simple() { + loop0-26894 [000] 24561.155430: funcgraph_entry: + 54.236 us | lo_write_bvec(); + loop0-26894 [000] 24561.155485: funcgraph_exit: + 54.952 us | } + loop0-26894 [000] 24561.155485: funcgraph_exit: + 55.403 us | } + loop0-26894 [000] 24561.155490: funcgraph_exit: + 60.666 us | } + loop0-26894 [000] 24561.155490: funcgraph_exit: + 61.088 us | } + ksoftirqd/0-9 [000] 24561.155743: funcgraph_entry: + 19.316 us | lo_complete_rq(); + dd-27058 [000] 24561.155828: funcgraph_entry: # 34575.481 us | lo_release(); +systemd-udevd-267 [001] 24561.190463: funcgraph_entry: 2.223 us | lo_open(); +systemd-udevd-267 [001] 24561.190505: funcgraph_entry: | lo_release() { |