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e2dec48844
- 'perf record --per-thread' mode doesn't have the CPU mask setup, so it can use it to figure out the number of mmaps, fix it. - Fix segfault accessing sample_id xyarray out of bounds, noticed while using Intel PT where we have a dummy event to capture text poke perf metadata events and we mixup the set of CPUs specified by the user with the all CPUs map needed for text poke. - Fix 'perf bench numa' to check if CPU used to bind task is online. - Fix 'perf bench numa' usage of affinity for machines with more than 1000 CPUs. - Fix misleading add event PMU debug message, noticed while using the 'intel_pt' PMU. - Fix error check return value of hashmap__new() in 'perf stat', it must use IS_ERR(). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYlis4AAKCRCyPKLppCJ+ J7LrAQCow9vLotkRNyYkdgTnGlPa76W2ZVVd52qKs2A62ifVJQD/ewZqBH/JnHf7 UPmkn7B6a4NrEcLiuRAHm1+uLid0swc= =Nz7z -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v5.18-2022-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - 'perf record --per-thread' mode doesn't have the CPU mask setup, so it can use it to figure out the number of mmaps, fix it. - Fix segfault accessing sample_id xyarray out of bounds, noticed while using Intel PT where we have a dummy event to capture text poke perf metadata events and we mixup the set of CPUs specified by the user with the all CPUs map needed for text poke. - Fix 'perf bench numa' to check if CPU used to bind task is online. - Fix 'perf bench numa' usage of affinity for machines with more than 1000 CPUs. - Fix misleading add event PMU debug message, noticed while using the 'intel_pt' PMU. - Fix error check return value of hashmap__new() in 'perf stat', it must use IS_ERR(). * tag 'perf-tools-fixes-for-v5.18-2022-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf bench: Fix numa bench to fix usage of affinity for machines with #CPUs > 1K perf bench: Fix numa testcase to check if CPU used to bind task is online perf record: Fix per-thread option perf tools: Fix segfault accessing sample_id xyarray perf stat: Fix error check return value of hashmap__new(), must use IS_ERR() perf tools: Fix misleading add event PMU debug message |
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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 Restructured Text 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.