instruments(1) BSD General Commands Manual instruments(1)NAME
instruments, version 1.0
USAGE
instruments [-t template] [-d document] [-l timeLimit] [-i #] [-w device] [[-p pid] | [-a application [-e variable value] [-g argument]]]
DESCRIPTION
Runs an Instruments template from the command line.
Options are :
-t template
The path to the template to run
-s Show list of known templates and exit
-d document
The path to save the trace document data to (This may already exist, in which case a new Run will be added)
-l # The limit of milliseconds to record until termination ( infinite is default )
-i # The index of the instrument to apply the following target data to ( default if missing )
-p pid The ID of the process to attach to
-a application
The path to the application or command to launch
-w hardware device
The identifier of the hardware to target
-e variable value
An environment variable setting (You may specify more than one)
-g argument
Command line argument to be sent to the launched process (You may specify more than one)
-v Turn on verbose logging
FILES
/usr/bin/instruments Executable
SEE ALSO
/Developer/Applications/Instruments.app may be used to perform trace executions in a graphical environment and may also be used to open trace
documents created in either instruments or Instruments.app.
EXAMPLES
instruments -t mytemplate -a myapp.app
Mac OS June 2, 2019 Mac OS
Check Out this Related Man Page
WMKBD(1) General Commands Manual WMKBD(1)NAME
gtkguitune - KGuitune
SYNOPSIS
gtkguitune
DESCRIPTION
This manual page documents briefly the gtkguitune program. This manual page was written for the Debian GNU/Linux distribution because the
original program does not have a manual page.
Guitune is a linux program for tuning guitars and other instruments by using the method of Schmitt-triggering, i.e. counting the number of
triggerings between two trigger levels in a certain amount of time.
With FFT you need many samples to archieve the accuracy needed for tuning instruments. You often get times of around 1 second between two
measurements and the computer is quite busy in this second calculating the FFT. Using Schmitt-triggering you get a measurement every 10th
of a second or even less (depending on the sample frequency you use). Most of the time the computer only waits for the samples.
The Trigger levels are adjustable. For a pure sine-wave the trigger levels could be zero. But for a wave wth overtones like the one in the
figure above you need a non-zero triggerlevel. It is preadjusted to a level of 60% of the current maximum which should be able to deal with
most instruments.
SEE ALSO
http://www.geocities.com/harpin_floh/kguitune_page.html
Project web page.
AUTHOR
This manual page was written by Antonin Kral <A.Kral@sh.cvut.cz>, for the Debian GNU/Linux system (but may be used by others).
September 06, 2003 WMKBD(1)
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