Fork of alistair23 Linux kernel for reMarkable from https://github.com/alistair23/linux
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Some metric groups have metric constraints. A metric group can be scheduled as a group only when some constraints are applied. For example, Page_Walks_Utilization has a metric constraint, "NO_NMI_WATCHDOG". When NMI watchdog is disabled, the metric group can be scheduled as a group. Otherwise, splitting the metric group into standalone metrics. Add a new function, metricgroup__has_constraint(), to check whether all constraints are applied. If not, splitting the metric group into standalone metrics. Currently, only one constraint, "NO_NMI_WATCHDOG", is checked. Print a warning for the metric group with the constraint, when NMI WATCHDOG is enabled. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Link: http://lore.kernel.org/lkml/1582581564-184429-5-git-send-email-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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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.
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.