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Update comments in src/shims/time.rs

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Co-Authored-By: Ralf Jung <post@ralfj.de>
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Youngsuk Kim 2020-04-02 16:04:50 -04:00 committed by GitHub
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commit f762c70b51
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src/shims/time.rs
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@ -143,8 +143,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
// Retrieves the frequency of the hardware performance counter.
// The frequency of the performance counter is fixed at system boot and
// is consistent across all processors.
// Miri will assume that the frequency of
// the machine's hardware performance counter is 1 GHz ( = 1 x 10^9 Hz).
// Miri emulates a "hardware" performance counter with a resolution of 1ns,
// and thus 10^9 counts per second.
this.write_scalar(Scalar::from_i64(1_000_000_000), this.deref_operand(lpFrequency_op)?.into())?;
Ok(-1) // Return non-zero on success
}