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Add it to the record.sh shell test to verify if it tracks cgroup information correctly. It records with --all-cgroups option can check if it has PERF_RECORD_CGROUP and the names are not "unknown". $ sudo ./perf test -vv 95 95: perf record tests: --- start --- test child forked, pid 2871922 169c90-169cd0 g test_loop perf does have symbol 'test_loop' Basic --per-thread mode test Basic --per-thread mode test [Success] Register capture test Register capture test [Success] Basic --system-wide mode test Basic --system-wide mode test [Success] Basic target workload test Basic target workload test [Success] Branch counter test branch counter feature not supported on all core PMUs (/sys/bus/event_source/devices/cpu) [Skipped] Cgroup sampling test Cgroup sampling test [Success] ---- end(0) ---- 95: perf record tests : Ok Reviewed-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.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> Link: https://lore.kernel.org/r/20240818212948.2873156-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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.