Oracle
1Z0-105 · Question #79
1Z0-105 Question #79: Real Exam Question with Answer & Explanation
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Question
Examine the D scrypt: syscall::read:entry, syscall::write:entry /pid == $1/ { ts[probefunc] = timestamp; } syscall::read:return, syscall::write:return /pid == $1 && ts[probefunc] != 0/ { printf("%d nsecs", timestamp - ts[probefunc]); } Which statement is true about this script?
Options
- AIt produces aggregations of system calls made by the process whose PID is passed as a command-
- BIt produces elapsed times for reads and writes to the entry and returns DTrace probes for the
- CIt produces elapsed times between entry and return of read and write system calls for the process
- DIt produces a measure of useful time spent in read and write system calls for the process whose
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