07-30-2003
TOR environment variable
My profile sets the TOR variable to $(whence vi). What is TOR used for?
I appreciate any help I can get.
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LEARN ABOUT SUNOS
profile
profile(7D) Devices profile(7D)
NAME
profile - DTrace profile interrupt provider
DESCRIPTION
The profile driver is a DTrace dynamic tracing provider that adds time-based interrupt event sources that can be used as DTrace probes.
Each profile event source is a time-based interrupt firing every fixed, specified time interval. You can use these probes to sample some
aspect of system state every unit time and the samples can then be used to infer system behavior. If the sampling rate is high, or the sam-
pling time is long, an accurate inference is possible. By using the DTrace facility to bind arbitrary actions to probes, you can use the
profile provider to sample practically anything in the system. For example, you could sample the state of the current thread, the CPU
state, or the current machine instruction each time a probe fires.
The profile driver is not a public interface and you access the instrumentation offered by this provider through DTrace. Refer to the
Solaris Dynamic Tracing Guide for a description of the public documented interfaces available for the DTrace facility and the probes
offered by the profile provider.
ATTRIBUTES
See attributes(5) for a description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWdtrp |
+-----------------------------+-----------------------------+
|Interface Stability |Private |
+-----------------------------+-----------------------------+
SEE ALSO
dtrace(1M), attributes(5), dtrace(7D)
Solaris Dynamic Tracing Guide
SunOS 5.10 4 Sep 2003 profile(7D)