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a23eb2fc1d
The current perf assumes that the counters that support PEBS are contiguous. But it's not guaranteed with the new leaf 0x23 introduced. The counters are enumerated with a counter mask. There may be holes in the counter mask for future platforms or in a virtualization environment. Store the PEBS event mask rather than the maximum number of PEBS counters in the x86 PMU structures. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Reviewed-by: Ian Rogers <irogers@google.com> Link: https://lkml.kernel.org/r/20240626143545.480761-2-kan.liang@linux.intel.com |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.