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There are cases where we want to match events like instructions and cycles with legacy hardware values, in particular in stat-shadow's hard coded metrics. An evsel's name isn't a good point of reference as it gets altered, strstr would be too imprecise and re-parsing the event from its name is silly. Instead, hold the legacy hardware event name, determined during parsing, in the evsel for this matching case. Inline evsel__match2 that is only used in builtin-diff. Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: James Clark <james.clark@linaro.org> Cc: Yang Jihong <yangjihong@bytedance.com> Cc: Dominique Martinet <asmadeus@codewreck.org> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Howard Chu <howardchu95@gmail.com> Cc: Yunseong Kim <yskelg@gmail.com> Cc: Ze Gao <zegao2021@gmail.com> Cc: Yicong Yang <yangyicong@hisilicon.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Will Deacon <will@kernel.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Yang Li <yang.lee@linux.alibaba.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: ak@linux.intel.com Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Sun Haiyong <sunhaiyong@loongson.cn> Cc: John Garry <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20240926144851.245903-2-james.clark@linaro.org 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.