Messages in this thread | | | Date | Tue, 19 Oct 2021 22:34:54 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] kselftests: ftrace: limit the executing time by reading from cached trace |
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On Wed, 20 Oct 2021 11:20:27 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> Hmm, by the way, shouldn't we set this feature by default? > There are many "cat trace | grep ..." style test code in ftracetest just for > checking whether the event is recorded. At least for the ftracetest, it should > be set unless the testcase is explicitly disable it.
For testing, sure.
I was criticized by the BPF folks about tracing stopping when the trace file was being read. So for normal operations, it doesn't pause, because that "confuses" people (so I am told).
-- Steve
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