Messages in this thread | | | Date | Mon, 11 Feb 2019 00:18:42 -0800 | From | Alexei Starovoitov <> | Subject | Re: [RFC PATCH] perf, bpf: Retain kernel executable code in memory to aid Intel PT tracing |
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On Mon, Feb 11, 2019 at 09:54:01AM +0200, Adrian Hunter wrote: > > Which is not really a real use-case. .. > > perf analysis with PT becomes inaccurate and main goal > > of retaining accurate instruction info is not achieved. > > For the majority of real use-cases, yes it is.
In our fleet not a single server is using Intel PT, yet you're proposing to penalize all of them with shrinker-based JIT freeing? There is no negotiation here. NACK
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