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9597f088c9
- Fix polling of system-wide events related to mixing per-cpu and per-thread events. - Do not check if /proc/modules is unchanged when copying /proc/kcore, that doesn't get in the way of post processing analysis. - Include program header in ELF files generated for JIT files, so that they can be opened by tools using elfutils libraries. - Enter namespaces when synthesizing build-ids. - Fix some bugs related to a recent cpu_map overhaul where we should be using an index and not the cpu number. - Fix BPF program ELF section name, using the naming expected by libbpf when using BPF counters in 'perf stat'. - Add a new test for perf stat cgroup BPF counter. - Adjust check on 'perf test wp' for older kernels, where the PERF_EVENT_IOC_MODIFY_ATTRIBUTES ioctl isn't supported. - Sync x86 cpufeatures with the kernel sources, no changes in tooling. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYyuOXgAKCRCyPKLppCJ+ J7PsAPwMmEKNG08rBuZG64my1sS1hKNP2uAWcii871hFe0jSowEArWd2ErRw5wPw Y3uT9gP11NHDN+B87HxVErNkNUp3PQM= =S2hR -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v6.0-2022-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix polling of system-wide events related to mixing per-cpu and per-thread events. - Do not check if /proc/modules is unchanged when copying /proc/kcore, that doesn't get in the way of post processing analysis. - Include program header in ELF files generated for JIT files, so that they can be opened by tools using elfutils libraries. - Enter namespaces when synthesizing build-ids. - Fix some bugs related to a recent cpu_map overhaul where we should be using an index and not the cpu number. - Fix BPF program ELF section name, using the naming expected by libbpf when using BPF counters in 'perf stat'. - Add a new test for perf stat cgroup BPF counter. - Adjust check on 'perf test wp' for older kernels, where the PERF_EVENT_IOC_MODIFY_ATTRIBUTES ioctl isn't supported. - Sync x86 cpufeatures with the kernel sources, no changes in tooling. * tag 'perf-tools-fixes-for-v6.0-2022-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf tools: Honor namespace when synthesizing build-ids tools headers cpufeatures: Sync with the kernel sources perf kcore_copy: Do not check /proc/modules is unchanged libperf evlist: Fix polling of system-wide events perf record: Fix cpu mask bit setting for mixed mmaps perf test: Skip wp modify test on old kernels perf jit: Include program header in ELF files perf test: Add a new test for perf stat cgroup BPF counter perf stat: Use evsel->core.cpus to iterate cpus in BPF cgroup counters perf stat: Fix cpu map index in bperf cgroup code perf stat: Fix BPF program section name |
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| README | ||
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.