Lines Matching refs:app
21 Does the OS/app use the rdtsc instruction at all?
29 OS/app/environment. (This is relatively rare, and developers of OS's
34 If the OS/app does use rdtsc, will it behave incorrectly if "time goes
36 we call this a "TSC-sensitive" app or OS; otherwise it is "TSC-resilient".
42 failure cases. As a result, unless proven otherwise, any app
178 machine to a 1.5GHz machine, attempts by an OS/app to measure time
218 app paravirtualization (awareness by the app that it may be running
223 When a pvrdtscp-modified app is running on a processor that is both TSC-safe
285 an app may directly examine the physical TSC Invariant cpuid bit and make
298 app so the pvclock algorithm cannot be directly used by an app, at least
302 As a result, as of 4.0, Xen provides capabilities for a userland app
304 to the PV OS pvclock algorithm. The app uses the rdtscp instruction
322 other pvcpuid instructions. First, an app is capable of
328 As a result, a pvrdtscp-modified app has sufficient information