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Shell Programming and Scripting
Execute a C program from Shell
Post 302482433 by nteath on Tuesday 21st of December 2010 01:51:21 PM
12-21-2010
Ok after all i got my pid with: PID=$!
Thank you
---------- Post updated at 01:51 PM ---------- Previous update was at 12:55 PM ----------
I have another question ( not sure if i had to make a new thread)
Now that i have the PID i want to retrieve information about my process, using the command 'top'.
So far i have
top -b -d 1.0 -p $PID
which returns information while my process is running. When the process stops , top is still running. How can i stop it and proceed with my shell?
Thank you
---------- Post updated at 01:51 PM ---------- Previous update was at 12:55 PM ----------
I have another question ( not sure if i had to make a new thread)
Now that i have the PID i want to retrieve information about my process, using the command 'top'.
So far i have
top -b -d 1.0 -p $PID
which returns information while my process is running. When the process stops , top is still running. How can i stop it and proceed with my shell?
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LEARN ABOUT FREEBSD
dtruss
DTRUSS(1) BSD General Commands Manual DTRUSS(1) NAME
dtruss -- Trace system calls and userland stacks using DTrace SYNOPSIS
dtruss [-acdefholLs] [-t syscall] [-n name -p pid command] DESCRIPTION
The dtruss utility traces system calls and (optionally) userland stack traces for the specified programs. The following options are available: -p pid Trace the process with PID pid. -n name Trace the process with name name. -t syscall Trace the specified syscall only. -a Print all details. -c Print syscall counts. -d Print relative times (in microseconds). -e Print elapsed times (in microseconds). -f Follow the children processes. -l Force printing PID / TID. -o Print time spent on CPU. -s Print userland stack backtraces. -L Don't print PID / TID. -b bufsize Specify the DTrace buffer size. EXIT STATUS
The dtruss utility exits 0 on success, and >0 if an error occurs. SEE ALSO
dtrace(1) HISTORY
The dtruss utility comes from the DTraceToolkit and was first imported into FreeBSD 9.0. AUTHORS
Brendan Gregg BSD
August 26, 2010 BSD