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871893d748
Some sort keys are meaningful only in a specific mode - like branch
stack and memory (data-src). Add the mode to skip unnecessary ones.
This will be used for 'perf mem report' later.
While at it, change the prefix for the -F/--fields option to remove
the duplicate part.
Before:
$ perf report -F
Error: switch `F' requires a value
Usage: perf report [<options>]
-F, --fields <key[,keys...]>
output field(s): overhead period sample overhead overhead_sys
overhead_us overhead_guest_sys overhead_guest_us overhead_children
sample period weight1 weight2 weight3 ins_lat retire_lat
...
After:
$ perf report -F
Error: switch `F' requires a value
Usage: perf report [<options>]
-F, --fields <key[,keys...]>
output field(s): overhead overhead_sys overhead_us
overhead_guest_sys overhead_guest_us overhead_children
sample period weight1 weight2 weight3 ins_lat retire_lat
...
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20240731235505.710436-5-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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.