>
> > >
> > > $ 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.
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.
$ cat strace_c.sh
strace -tt -p $1 -c -o result_$1.lo
