Lines Matching +full:sampling +full:- +full:frequency

2 .\" SPDX-License-Identifier: BSD-2-Clause
13 .Nm profile Ns Cm :::profile- Ns Ar rate Ns Op Ar unit
14 .Nm profile Ns Cm :::tick- Ns Ar rate Ns Op Ar unit
41 .Bl -column -offset indent "ns, nsec" "Definition"
50 .It Cm hz Ta Hertz (frequency per second)
57 .Bl -tag -width arg0
83 .Ss Example 1 : Profiling On-CPU Kernel Stack Traces
84 The following DTrace one-liner uses the
87 .\" XXX: Keep on one line for easier copy-pasting.
88 .Bd -literal -offset indent
89 dtrace -x stackframes=100 -n 'profile-197 /arg0/ {@[stack()] = count();} tick-60s {exit(0);}
92 The system is profiled at the 197 Hz to avoid sampling in lockstep
94 This unnatural frequency minimizes the chance of overlapping with other events.
116 .%U https://www.illumos.org/books/dtrace/chp-profile.html