Messages in this thread | | | From | Rob Herring <> | Date | Thu, 13 May 2021 07:37:24 -0500 | Subject | Re: [PATCH v7 7/9] perf: arm64: Add test for userspace counter access on heterogeneous systems |
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On Thu, May 13, 2021 at 4:06 AM nakamura.shun@fujitsu.com <nakamura.shun@fujitsu.com> wrote: > > Hi Rob > > > Userspace counter access only works on heterogeneous systems with some > > restrictions. The userspace process must be pinned to a homogeneous > > subset of CPUs and must open the corresponding PMU for those CPUs. This > > commit adds a test implementing these requirements. > > Are you planning to change x86 tests (tools/perf/arch/x86/tests/rdpmc.c) > to use libperf as well?
The test can be removed as the libperf unit tests have an equivalent test. I had a patch doing this, but there were objections removing it until 'perf test' can run the libperf tests.
Rob
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