| Brendan Gregg | 48fbc3e | 2015-08-18 14:56:14 -0700 | [diff] [blame^] | 1 | Demonstrations of syncsnoop, the Linux eBPF/bcc version. |
| 2 | |||||
| 3 | |||||
| 4 | This program traces calls to the kernel sync() routine, with basic timestamps: | ||||
| 5 | |||||
| 6 | # ./syncsnoop | ||||
| 7 | TIME(s) CALL | ||||
| 8 | 16458148.611952 sync() | ||||
| 9 | 16458151.533709 sync() | ||||
| 10 | ^C | ||||
| 11 | |||||
| 12 | While tracing, the "sync" command was executed in another server session. | ||||
| 13 | |||||
| 14 | This can be useful to identify that sync() is being called, and its frequency. | ||||