diff options
Diffstat (limited to 'System/topsyscall')
| -rwxr-xr-x | System/topsyscall | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/System/topsyscall b/System/topsyscall new file mode 100755 index 000000000000..63ef8c620345 --- /dev/null +++ b/System/topsyscall @@ -0,0 +1,184 @@ +#!/usr/bin/ksh +# +# topsyscall - display top syscalls by syscall name. +# Written using DTrace (Solaris 10 3/05). +# +# 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. +# +# $Id: topsyscall 3 2007-08-01 10:50:08Z brendan $ +# +# USAGE: topsyscall [-Cs] [interval [count]] +# +# -C # don't clear the screen +# -s # print per second values +# +# 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 +# +# INSPIRATION: top(1) by William LeFebvre +# +# COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg. +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License, Version 1.0 only +# (the "License"). You may not use this file except in compliance +# with the License. +# +# You can obtain a copy of the license at Docs/cddl1.txt +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# CDDL HEADER END +# +# 13-Jun-2005 Brendan Gregg Created this. +# 20-Apr-2006 " " Last update. +# + +############################## +# --- Process Arguments --- +# + +### Default variables +count=-1; interval=1; opt_persec=0; opt_clear=1 + +### Process options +while getopts Chs name +do + case $name in + C) opt_clear=0 ;; + s) opt_persec=1 ;; + h|?) cat <<-END >&2 + USAGE: topsyscall [-s] [interval [count]] + -C # don't clear the screen + -s # print per second values + eg, + topsyscall # default, 1 second updates + topsyscall 5 # 5 second updates + END + exit 1 + esac +done +shift $(( $OPTIND - 1 )) + +### option logic +if [[ "$1" > 0 ]]; then + interval=$1; shift +fi +if [[ "$1" > 0 ]]; then + count=$1; shift +fi +if (( opt_clear )); then + clearstr=`clear` +else + clearstr=. +fi + + + +################################# +# --- Main Program, DTrace --- +# +/usr/sbin/dtrace -n ' + #pragma D option quiet + #pragma D option destructive + + /* constants */ + inline int OPT_clear = '$opt_clear'; + inline int OPT_persec = '$opt_persec'; + inline int INTERVAL = '$interval'; + inline int COUNTER = '$count'; + inline int SCREEN = 20; + inline string CLEAR = "'$clearstr'"; + + /* variables */ + dtrace:::BEGIN + { + secs = INTERVAL; + counts = COUNTER; + printf("Tracing... Please wait.\n"); + } + + /* record syscall event */ + syscall:::entry + { + @Name[probefunc] = count(); + @Total = count(); + } + + /* timer */ + profile:::tick-1sec + { + secs--; + } + + /* update screen */ + profile:::tick-1sec + /secs == 0/ + { + /* fetch load averages */ + this->load1a = `hp_avenrun[0] / 65536; + this->load5a = `hp_avenrun[1] / 65536; + this->load15a = `hp_avenrun[2] / 65536; + this->load1b = ((`hp_avenrun[0] % 65536) * 100) / 65536; + this->load5b = ((`hp_avenrun[1] % 65536) * 100) / 65536; + this->load15b = ((`hp_avenrun[2] % 65536) * 100) / 65536; + + /* clear screen */ + OPT_clear ? printf("%s", CLEAR) : 1; + + /* print load average */ + printf("%Y, load average: %d.%02d, %d.%02d, %d.%02d", + walltimestamp, this->load1a, this->load1b, this->load5a, + this->load5b, this->load15a, this->load15b); + + /* calculate per second values if needed */ + OPT_persec ? normalize(@Total, INTERVAL) : 1; + OPT_persec ? normalize(@Name, INTERVAL) : 1; + + /* print syscall count */ + printf(" %s: ", OPT_persec ? "syscalls/s" : "syscalls"); + printa("%@d\n",@Total); + + /* print report */ + trunc(@Name, SCREEN); + printf("\n %-25s %12s\n", "SYSCALL", + OPT_persec ? "COUNT/s" : "COUNT"); + printa(" %-25s %@12d\n", @Name); + printf("\n"); + + /* reset variables */ + trunc(@Name); + clear(@Total); + secs = INTERVAL; + counts--; + } + + /* + * End of program + */ + profile:::tick-1sec + /counts == 0/ + { + exit(0); + } + + /* + * Cleanup for Ctrl-C + */ + dtrace:::END + { + trunc(@Name); + trunc(@Total); + } +' + |