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Fault Injection
Time Travel Experiment

Time Travel Experiment

Supported platforms:

Linux
,

The Time Travel experiment simulates clock drift by temporarily changing the system time.

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Options

Parameter Flag Default Version Description
NTP -n False 1.5.0 Disable NTP from correcting systemtime.
Offset -o int 86400 1.5.0 The offset to the current time (seconds).
Length -l int 60 1.5.0 The length of the experiment (seconds).

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Platform-specific notes

Linux

Time Travel issues a settimeofday syscall to change the system time of the target’s operating system. This experiment also optionally blocks all NTP (Network Time Protocol) traffic to prevent the target from getting the current time from another system. This is the equivalent of running a Blackhole experiment against outbound port 123.

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Privileges required

Privilege Description
FAULT_TIME_TRAVELAllows performing time travel experiments

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