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Add a test that if an offline CPU is requested perf stat will fail. $ perf test -vv "perf stat tests" 101: perf stat tests: --- start --- test child forked, pid 46965 Basic stat command test Basic stat command test [Success] Null stat command test Null stat command test [Success] Offline CPU stat command test (cpu 8) Offline CPU stat command test [Success] stat record and report test stat record and report test [Success] stat record and script test stat record and script test [Success] stat repeat weak groups test stat repeat weak groups test [Success] Topdown event group test Topdown event group test [Success] Topdown weak groups test Topdown weak groups test [Skipped event parsing failed] cputype test cputype test [Success] hybrid test hybrid test [Success] ---- end(0) ---- 101: perf stat tests : Ok Reported-by: Thomas Richter <tmricht@linux.ibm.com> Closes: https://lore.kernel.org/linux-perf-users/94313b82-888b-4f42-9fb0-4585f9e90080@linux.ibm.com/ Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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.