>
> > >
> > > $ cat strace_c.sh
> > > strace -tt -p $1 -c -o result_$1.log &
> > > sleep $2
> > > pid=$(pidof strace)
> > > kill $pid
> > > cat result_$1.log
> > >
> > > Before appling this change:
> > > $ ./strace_c.sh 10528 30
> > > % time seconds usecs/call callserrors syscall
> > >
> -Original Message-
> From: Peter Maydell [mailto:peter.mayd...@linaro.org]
> Sent: Tuesday, February 06, 2018 10:36 PM
> To: Gonglei (Arei)
> Cc: QEMU Developers; Paolo Bonzini; Huangweidong (C)
> Subject: Re: [PATCH v2] rtc: placing RTC memory region outside BQL
>
> On 6 February 2018 a
On 6 February 2018 at 14:07, Gonglei wrote:
> As windows guest use rtc as the clock source device,
> and access rtc frequently. Let's move the rtc memory
> region outside BQL to decrease overhead for windows guests.
> Meanwhile, adding a new lock to avoid different vCPUs
> access the RTC together.
