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perf clang-format: Prioritize Python.h and expand other categories

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This commit updates the .clang-format rules for the perf tools.
It prioritizes Python.h sorting and expands the regex lists for C
standard library and OS specific headers.

- Prioritize Python.h by sorting it first (Priority -1), ensuring it
  is sorted before even the main header (Priority 0).
- Keep other header priorities (1 and 2) to maintain their relative
  order.
- Sanity check and complete "C Standard Library Headers" up to C23
  (added stdbit.h, stdckdint.h).
- Sanity check and complete "OS/System-Specific Headers" based on
  actual usage in tools/perf (added asm-generic, uapi, and various
  flat POSIX/system headers).

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2026-06-04 23:24:18 -07:00 committed by Namhyung Kim
parent fb4751e79c
commit c25a46dc63
1 changed files with 6 additions and 3 deletions
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tools/perf/.clang-format
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@ -2,15 +2,18 @@ BasedOnStyle: InheritParentConfig
SortIncludes: true
IncludeBlocks: Regroup
IncludeCategories:
# Python.h must be first
- Regex: '^<Python\.h>'
Priority: -1
# Implicitly the corresponding header for the C file has Priority 0
# C Standard Library Headers
- Regex: '^<(assert|complex|ctype|errno|fenv|float|inttypes|iso646|limits|locale|math|setjmp|signal|stdalign|stdarg|stdatomic|stdbool|stddef|stdint|stdio|stdlib|stdnoreturn|string|tgmath|threads|time|uchar|wchar|wctype)\.h>'
- Regex: '^<(assert|complex|ctype|errno|fenv|float|inttypes|iso646|limits|locale|math|setjmp|signal|stdalign|stdarg|stdatomic|stdbit|stdbool|stdckdint|stddef|stdint|stdio|stdlib|stdnoreturn|string|tgmath|threads|time|uchar|wchar|wctype)\.h>'
Priority: 1
# OS/System-Specific Headers (directories)
- Regex: '^<(sys|linux|asm|arpa|net|netinet|x86_64|machine)/.*>'
- Regex: '^<(arpa|asm|asm-generic|linux|machine|net|netinet|sys|uapi|x86_64)/.*>'
Priority: 2
# OS/System-Specific Headers (POSIX/System flat headers)
- Regex: '^<(unistd|pthread|fcntl|dirent|dlfcn|poll|sched|semaphore|spawn|syslog|termios|pwd|grp|netdb|sysexits|err|paths|pty|utmp|resolv|ifaddrs|elf|libelf|gelf)\.h>'
- Regex: '^<(aio|byteswap|dirent|dlfcn|elf|endian|err|execinfo|fcntl|features|fnmatch|ftw|gelf|getopt|grp|ifaddrs|libelf|libgen|malloc|memory|mntent|netdb|numa|numaif|paths|poll|pthread|pty|pwd|regex|resolv|sched|semaphore|spawn|strings|syscall|sysexits|syslog|termios|unistd|utmp|x86intrin)\.h>'
Priority: 2
# Third-Party Library Headers
- Regex: '^<.*>'