linux-kernel - Re: [PATCH 11/12] perf intel-pt: Add VM Time Correlation to decoder

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Message-ID: <20210429212140.GE4032392@tassilo.jf.intel.com>
Date:   Thu, 29 Apr 2021 14:21:40 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/12] perf intel-pt: Add VM Time Correlation to decoder

> unchanging (during perf record) VMX TSC Offset and no VMX TSC scaling.

For TSC scaling we would need to add side band to KVM, correct?

I suppose it shouldn't be that hard to do that.