Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix parsing 'overwrite' in command line event definitions in
big-endian machines by writing correct union member
- Fix finding default metric in 'perf stat'
- Fix relative paths for including headers in 'perf kvm stat'
- Sync header copies with the kernel sources: msr-index.h, kvm,
build_bug.h
* tag 'perf-tools-fixes-for-v7.0-2-2026-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools headers: Synchronize linux/build_bug.h with the kernel sources
tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
perf kvm stat: Fix relative paths for including headers
perf parse-events: Fix big-endian 'overwrite' by writing correct union member
perf metricgroup: Fix metricgroup__has_metric_or_groups()
tools headers: Skip arm64 cputype.h check