package b0

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package b0
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Module Cpu.TimeSource

Measuring CPU user and system time.

CPU time spans

Sourcetype span

The type for CPU execution time spans.

Sourceval span : utime:Mtime.span -> stime:Mtime.span -> children_utime:Mtime.span -> children_stime:Mtime.span -> span

span ~utime ~stime ~children_utime ~children_stime is a cpu span with the given fields. See accessors for semantics.

Sourceval zero : span

zero is zero CPU times.

Sourceval utime : span -> Mtime.span

utime cpu is cpu's user time.

Sourceval stime : span -> Mtime.span

stime cpu is cpu's system time.

Sourceval children_utime : span -> Mtime.span

children_utime cpu is cpu's user time for children processes.

Sourceval children_stime : span -> Mtime.span

children_stime cpu is cpu's system time for children processes.

CPU time counters

Sourcetype counter

The type for CPU time counters.

Sourceval counter : unit -> counter

counter () is a counter counting from now on.

Sourceval count : counter -> span

count c are CPU times since c was created.