Jan Kratochvil bf53fc6b5f perf unwind: Fix separate debug info files when using elfutils' libdw's unwinder
elfutils needs to be provided main binary and separate debug info file
respectively. Providing separate debug info file instead of the main
binary is not sufficient.

One needs to try both supplied filename and its possible cache by its
build-id depending on the use case.

Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-17 14:36:16 -03:00
2020-10-13 13:04:41 -07:00
2020-11-29 10:18:53 -08:00
2020-11-27 10:38:36 -08:00
2020-11-27 11:13:39 -08:00
2020-11-28 10:42:30 -08:00
2020-11-14 12:04:02 -08:00
2020-11-19 19:56:29 +01:00
2020-10-17 11:18:18 -07:00
2020-11-27 11:04:13 -08:00
2020-11-13 13:16:27 +01:00
2020-11-29 15:50:50 -08:00

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.
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