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Probes
Probes
| BEGIN | D program start |
| END | D program end |
| syscall::read*:entry | process reads |
| syscall::write*:entry | process writes |
| syscall::open*:entry | file open |
| proc:::exec-success | process create |
| io:::start,io:::done | disk or NFS I/O request, completion |
| lockstat:::adaptive-block | blocked thread acquired kernel mutex |
| sysinfo:::xcalls | CPU cross calls |
| sched:::off-cpu | thread leaves CPU |
| fbt:::entry | entire kernel - all function entry probes |
| javascript*::: | JavaScript provider probes |
| perl*::: | Perl provider probes |
| profile:::tick-1sec | run once per sec, one CPU only |
| profile:::profile-123 | sample at 123 Hertz |
