From mboxrd@z Thu Jan 1 00:00:00 1970 From: mulyadi.santosa@gmail.com (Mulyadi Santosa) Date: Fri, 3 Feb 2012 01:15:53 +0700 Subject: blktrace vs ftrace In-Reply-To: <4F2A6357.3060805@gmail.com> References: <4F2A6357.3060805@gmail.com> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Thu, Feb 2, 2012 at 17:20, Matthias Brugger wrote: > Hi all, > > I'm trying to analize I/O behavior of Qemu on the host. what is your complete command to invoke Qemu? sometimes Qemu's I/O behaviour can be modified by certain parameter. All I know recent Qemu release (>= 1.x) use iothread by default, which might explain your 4 threads reads. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com