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41b67ab3d2
Determine if a metric is default from `perf list --raw-dump $m` eg: ``` $ perf list --raw-dump l1_prefetch_miss_rate Default4 l1_prefetch_miss_rate ``` If a metric has "not supported" or "no supported events" then ignore these failures for default metrics. Tidy up the skip/fail messages in the output to make them easier to spot/read. ``` $ perf list -vv "all metrics" ... Testing llc_miss_rate [Ignored llc_miss_rate] failed but as a Default metric this can be expected Error: No supported events found. The LLC-loads event is not supported. ... ``` Reported-by: Thomas Richter <tmricht@linux.ibm.com> Closes: https://lore.kernel.org/linux-perf-users/20251119104751.51960-1-tmricht@linux.ibm.com/ Reported-by: Namhyung Kim <namhyung@kernel.org> Reported-by: James Clark <james.clark@linaro.org> Closes: https://lore.kernel.org/lkml/aRi9xnwdLh3Dir9f@google.com/ Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: James Clark <james.clark@linaro.org> Tested-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> |
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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.