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![]() - Fix wrong skipping for per-die aggregation in 'perf stat'. - Fix race in signal handling on large core count machines, setting up signal handlers earlier. - Fix -F for branch & mem modes in 'perf report'. - Fix the condition checks for max number of NUMA nodes in 'perf bench numa'. - Fix crash in 'perf diff' error path. - Fix filtering of empty build-ids in 'perf archive'. - Ensure read cmdlines from libtraceevent are null terminated. Recent regressions: - Fix control fifo permissions in 'perf daemon'. - Fix 'perf daemon' compile error with ASAN. - Fix running 'perf daemon' test for non root user. - Fix PERF_SAMPLE_WEIGHT_STRUCT 'perf test' failure on non-x86 arches. - Fix event's PMU name parsing related to new drm/i915/gt software-gt-awake-time event. Fixes from compiler instrumentation: - Fix leaks in 'perf test' entries, found using ASAN. - Fix use-after-free when 'perf stat -r' option is used. Arch specific: - Fix bitmap for option om ARM's CS-ETM. Documentation: - Fix documentation of verbose options. Build: - Clean 'generated' directory used for creating the syscall table on x86. - Fix ccache usage in $(CC) when generating arch errno table. - Cast (struct timeval).tv_sec when printing, fixing the build with MUSL libc. - Tighten snprintf() string precision to pass gcc check on some 32-bit arches. - Update UAPI copies from the kernel sources. - Fix regression on feature detection 'make clean' target. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYETKZwAKCRCyPKLppCJ+ J738AQD/oSMIvDtIzbXXgcW81vjKNRx4j2A1aP1CvPOzygdQ2wD6Ap4L8IYnbEkl DSpJRiPVFbvXmNdAIM5aiD69sxltXg0= =DnVm -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v5.12-2020-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: "Perf tool fixes: - Fix wrong skipping for per-die aggregation in 'perf stat'. - Fix race in signal handling on large core count machines, setting up signal handlers earlier. - Fix -F for branch & mem modes in 'perf report'. - Fix the condition checks for max number of NUMA nodes in 'perf bench numa'. - Fix crash in 'perf diff' error path. - Fix filtering of empty build-ids in 'perf archive'. - Ensure read cmdlines from libtraceevent are null terminated. Recent regressions: - Fix control fifo permissions in 'perf daemon'. - Fix 'perf daemon' compile error with ASAN. - Fix running 'perf daemon' test for non root user. - Fix PERF_SAMPLE_WEIGHT_STRUCT 'perf test' failure on non-x86 arches. - Fix event's PMU name parsing related to new drm/i915/gt software-gt-awake-time event. Fixes from compiler instrumentation: - Fix leaks in 'perf test' entries, found using ASAN. - Fix use-after-free when 'perf stat -r' option is used. Arch specific: - Fix bitmap for option om ARM's CS-ETM. Documentation: - Fix documentation of verbose options. Build: - Clean 'generated' directory used for creating the syscall table on x86. - Fix ccache usage in $(CC) when generating arch errno table. - Cast (struct timeval).tv_sec when printing, fixing the build with MUSL libc. - Tighten snprintf() string precision to pass gcc check on some 32-bit arches. - Update UAPI copies from the kernel sources. - Fix regression on feature detection 'make clean' target" * tag 'perf-tools-fixes-for-v5.12-2020-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (44 commits) perf cs-etm: Fix bitmap for option perf trace: Fix race in signal handling perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches perf report: Fix -F for branch & mem modes perf tests x86: Move insn.h include to make sure it finds stddef.h perf test: Support the ins_lat check in the X86 specific test perf test: Fix sample-parsing failure on non-x86 platforms perf archive: Fix filtering of empty build-ids perf daemon: Fix compile error with Asan perf stat: Fix use-after-free when -r option is used libperf: Add perf_evlist__reset_id_hash() perf stat: Fix wrong skipping for per-die aggregation tools headers UAPI: Sync KVM's kvm.h and vmx.h headers with the kernel sources tools headers cpufeatures: Sync with the kernel sources tools headers UAPI: Update tools' copy of linux/coresight-pmu.h tools headers: Update syscall.tbl files to support mount_setattr perf test: Fix cpu and thread map leaks in perf_time_to_tsc test perf test: Fix cpu map leaks in cpu_map_print test perf test: Fix a memory leak in thread_map_remove test perf test: Fix a thread map leak in thread_map_synthesize test ... |
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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.