From: Andi Kleen <ak@linux.intel.com>
To: Juan <genomeme@gmail.com>
Cc: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
jolsa@redhat.com, alexander.shishkin@linux.intel.com,
namhyung@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Perf JSON events mismatch with Intel SDM
Date: Mon, 16 Jul 2018 08:37:47 -0700 [thread overview]
Message-ID: <20180716153747.GC25412@tassilo.jf.intel.com> (raw)
In-Reply-To: <CA+eKabDaAVFR-eeXDaocQQWT=82XouV8fw3zcJ9cos=O7v1W3g@mail.gmail.com>
> The semantic difference being, as far as I can tell, that the "GT"
> counters do not sample randomly, but will rather offer a precise count of
> loads meeting the stated condition.Â
It's all the same underlying hardware event. The only difference is what threshold
is used for filtering the loads.
-Andi
prev parent reply other threads:[~2018-07-16 15:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CA+eKabDFV0UZ_52jbamj+=cGdD7OSRHMhuFHbni1SkBzRrd57g@mail.gmail.com>
2018-07-16 3:59 ` Andi Kleen
[not found] ` <CA+eKabDaAVFR-eeXDaocQQWT=82XouV8fw3zcJ9cos=O7v1W3g@mail.gmail.com>
2018-07-16 15:37 ` Andi Kleen [this message]
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