Lines Matching +full:report +full:- +full:rate +full:- +full:hz
27 .Nd report kernel lock and profiling statistics
31 .Op Fl e Ar event-list
32 .Op Fl i Ar rate
34 .Op Fl n Ar num-records
61 For example, to gather statistics for a fixed-time interval, use
71 establishes a per-processor high-level periodic interrupt source to gather
88 is restricted to super-user by default.
91 .Bl -tag -width indent
98 .Bl -tag -width indent
108 .It Fl e Ar event-list
110 .Ar event-list
111 is a comma-separated list of events or ranges of events such as 1,4-7,35.
119 .It Fl i Ar rate
120 Interrupt rate (per second) for
122 The default is 97 Hz, so that profiling doesn't run in lockstep with the clock
123 interrupt (which runs at 100 Hz).
126 .Bl -tag -width indent
136 .Bl -tag -width indent
140 Histogram: timing plus time-distribution histograms.
149 .Bl -tag -width indent
165 .It Fl n Ar num-records
172 .Bl -tag -width indent
220 .Bl -tag -width indent
222 Number of times this event occurred, or the rate (times per second) if
250 .Bl -tag -width 0n
254 .Bd -literal
258 -------------------------------------------------------------------------------
281 -------------------------------------------------------------------------------
288 -------------------------------------------------------------------------------
293 .Li # lockstat -H -D 10 sleep 1
294 .Bd -literal
298 -------------------------------------------------------------------------------
309 -------------------------------------------------------------------------------
315 -------------------------------------------------------------------------------
326 -------------------------------------------------------------------------------
330 .Li # lockstat -H -f tcp_input -s 50 -D 10 sleep 1
331 .Bd -literal
334 -------------------------------------------------------------------------------
338 nsec ------ Time Distribution ------ count Stack
346 -------------------------------------------------------------------------------
350 nsec ------ Time Distribution ------ count Stack
359 -------------------------------------------------------------------------------
373 Tail-call elimination can affect call sites.