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Full Discussion: counts for every 1000 interval
Top Forums Shell Programming and Scripting counts for every 1000 interval Post 302579018 by balajesuri on Sunday 4th of December 2011 01:18:19 AM
Old 12-04-2011
Code:
#! /usr/bin/perl
use warnings;
use strict;

my ($line, %count);
my $interval = 1000;
open INPUT, "< source.txt";
for $line (<INPUT>) {
X: if ($line <= $interval) {
        $count{$interval}++
    }
    elsif ($line >= $interval) {
        $interval += 1000;
        goto X;
    }
}

for (sort {$a <=> $b} keys %count) {
    print $_-999 . "-$_ $count{$_}\n";
}
close INPUT;

 

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LEARN ABOUT OSX

topsyscall

topsyscall(1m)							   USER COMMANDS						    topsyscall(1m)

NAME

       topsyscall - top syscalls by syscall name. Uses DTrace.

SYNOPSIS

       topsyscall [-Cs] [interval [count]]

DESCRIPTION

       This  program  continually prints a report of the top system calls, and refreshes the display every 1 second or as specified at the command
       line.

       Since this uses DTrace, only users with root privileges can run this command.

OPTIONS

       -C     don't clear the screen

       -s     print per second values

EXAMPLES

       Default output, 1 second updates,
	      # topsyscall

       Print every 5 seconds,
	      # topsyscall 5

       Print a scrolling output,
	      # topsyscall -C

FIELDS

       load avg
	      load averages, see uptime(1)

       syscalls
	      total syscalls in this interval

       syscalls/s
	      syscalls per second

       SYSCALL
	      system call name

       COUNT  total syscalls in this interval

       COUNT/s
	      syscalls per second

DOCUMENTATION

       See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
       bose descriptions explaining the output.

EXIT

       topsyscall will run until Ctrl-C is hit, or the specified interval is reached.

AUTHOR

       Brendan Gregg [Sydney, Australia]

SEE ALSO

       dtrace(1M), prstat(1M)

version 0.90							   Jun 13, 2005 						    topsyscall(1m)
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