mirror of
https://github.com/torvalds/linux.git
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A mirror of the official Linux kernel repository just in case
30060eaed7
Perf doesn't support mixed events from different PMUs (except software event) in a group. For this case, only "<not counted>" or "<not supported>" are printed out. There is no hint which guides users to fix the issue. Checking the PMU type of events to determine if they are from the same PMU. There may be false alarm for the checking. E.g. the core PMU has different PMU type. But it should not happen often. The false alarm can also be tolerated, because: - It only happens on error path. - It just provides a possible solution for the issue. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Cc: Agustin Vega-Frias <agustinv@codeaurora.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/1524594014-79243-2-git-send-email-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| kernel | ||
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| README | ||
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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
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.