Re: [PATCH v5] perf utilities: cln_size header

kernel test robot
2026-03-30T07:16:24Z

Hi Ricky,

kernel test robot noticed the following build errors:

[auto build test ERROR on perf-tools-next/perf-tools-next]
[also build test ERROR on tip/perf/core perf-tools/perf-tools next-20260327]
[cannot apply to acme/perf/core linus/master v6.16-rc1]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Ricky-Ringler/perf-utilities-cln_size-header/20260329-205729
base: https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link: https://lore.kernel.org/r/20260328200442.134489-1-ricky.ringler%40proton.me
patch subject: [PATCH v5] perf utilities: cln_size header
config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260329/202603291618.3giyFism-lkp@intel.com/config)
compiler: aarch64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260329/202603291618.3giyFism-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202603291618.3giyFism-lkp@intel.com/

All errors (new ones prefixed by >>):

Makefile.config:576: No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent
Makefile.config:963: No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev
Makefile.config:1159: Rust is not found. Test workloads with rust are disabled.
PERF_VERSION = 7.0.rc4.ga971d40d4a8d
util/header.c: In function 'write_cln_size':
>> util/header.c:1308:32: error: expected expression before '=' token
1308 | #define DEFAULT_CACHELINE_SIZE = 64
| ^
util/header.c:1317:28: note: in expansion of macro 'DEFAULT_CACHELINE_SIZE'
1317 | cln_size = DEFAULT_CACHELINE_SIZE;
| ^~~~~~~~~~~~~~~~~~~~~~
make[4]: *** [tools/build/Makefile.build:95: util/header.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [tools/build/Makefile.build:158: util] Error 2
make[2]: *** [Makefile.perf:797: perf-util-in.o] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile.perf:289: sub-make] Error 2

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