Yeah - that's standard behavior to print the average since boot when running these commands without an interval, and the first line of output when specifying an interval.
On Wed, Dec 26, 2007 at 5:18 PM, Tom Rosenfeld <[EMAIL PROTECTED]> wrote: > I have seen the same with all the *stat commands (iostat, vmstat, etc). You > should ignore the output for the 1st interval. > > -tom > > > On Dec 26, 2007 12:32 PM, Imri Zvik < [EMAIL PROTECTED]> wrote: > > > > I'm guessing that without an interval (or if with interval - the first > > output), it is an average since boot. > > > > > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED] On Behalf Of > > > Vitaly > > > Sent: Wednesday, December 26, 2007 11:29 AM > > > To: linux-il@cs.huji.ac.il > > > Subject: Re: Interrups statistic - "sar" vs. "mstat" > > > > > > On Dec 26, 2007 10:04 AM, Vitaly Karasik <[EMAIL PROTECTED]> wrote: > > > > Probaly it is trivial, but I don't understand why I see different > > > statistics regarding interrups into "mstat" and "sar" output. There is > > > 15997 against 92 !!! > > > > Can someone explain it? > > > > > > > > [root]# sar -I SUM |head > > > > Linux 2.4.21-47.ELsmp 12/25/2007 > > > > > > > > 12:00:01 AM INTR intr/s > > > > 12:10:01 AM sum 15997.32 > > > > > > > > [ root]# mpstat > > > > Linux 2.4.21-47.ELsmp 12/25/2007 > > > > > > > > 11:14:07 AM CPU %user %nice %system %iowait %irq %soft %idle intr/s > > > > 11:14:07 AM all 2.40 0.00 7.41 0.05 1.97 10.78 77.39 92.36 > > > > > > > > > > The answer was simple - "mpstat" provides wrong interup statistics > > > when called without "interval" parameter. I mean, "mpstat 1" is OK, > > > but "mpstat" will tell you wrong numbers. I don't understand yet, if > > > this a feature or a bug. > > > > > > ================================================================= > > > To unsubscribe, send mail to [EMAIL PROTECTED] with > > > the word "unsubscribe" in the message body, e.g., run the command > > > echo unsubscribe | mail [EMAIL PROTECTED] > > > > To unsubscribe, send mail to [EMAIL PROTECTED] with > > the word "unsubscribe" in the message body, e.g., run the command > > echo unsubscribe | mail [EMAIL PROTECTED] > > > > > > > > -- > -tom > 054-244-8025 ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
