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man pages section 1: User Commands
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Preface

Introduction

User Commands

acctcom(1)

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alias(1)

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amt(1)

answerbook2(1)

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rup(1)

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zlogin(1)

zonename(1)

rusage

- print resource usage for a command

Synopsis

/usr/ucb/rusage command

Description

The rusage command is similar to time(1). It runs the given command, which must be specified; that is, command is not optional as it is in the C shell's timing facility. When the command is complete, rusage displays the real (wall clock), the system CPU, and the user CPU times which elapsed during execution of the command, plus other fields in the rusage structure, all on one long line. Times are reported in seconds and hundredths of a second.

Examples

Example 1 The format of rusage output

The example below shows the format of rusage output.

example% rusage wc /usr/share/man/man1/csh (1) 3045 13423 78071 /usr/share/man/man1/csh (1) 2.26 real 0.80 user 0.36 sys 11 pf 38 pr 0 sw 11 rb 0 wb 16 vcx 37 icx 24 mx 0 ix 1230 id 9 is
example%

Each of the fields identified corresponds to an element of the rusage structure, as described in getrusage(3C), as follows:

real
elapsed real time
user
ru_utime
user time used
sys
ru_stime
system time used
pf
ru_majflt
page faults requiring physical I/O
pr
ru_minflt
page faults not requiring physical I/O
sw
ru_nswap
swaps
rb
ru_inblock
block input operations
wb
ru_oublock
block output operations
vcx
ru_nvcsw
voluntary context switches
icx
ru_nivcsw
involuntary context switches
mx
ru_maxrss
maximum resident set size
ix
ru_ixrss
currently 0
id
ru_idrss
integral resident set size
is
ru_isrss
currently 0

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Availability
SUNWscpu

See Also

csh(1), time(1), getrusage(3C), attributes(5)

Bugs

When the command being timed is interrupted, the timing values displayed may be inaccurate.