qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH v3 0/6] trace: [tcg] Optimize per-vCPU tracing s


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v3 0/6] trace: [tcg] Optimize per-vCPU tracing states with separate TB caches
Date: Fri, 23 Dec 2016 10:05:53 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

On 12/22/2016 10:35 AM, Lluís Vilanova wrote:
> To handle both issues, this series replicates the shared physical TB cache,
> creating a separate physical TB cache for every combination of event states
> (those with the 'vcpu' and 'tcg' properties). Then, all vCPUs tracing the same
> events will use the same physical TB cache.

Why do we need to "split the physical TB cache" as opposed to simply including
the trace state into the TB hash function?


r~



reply via email to

[Prev in Thread] Current Thread [Next in Thread]