tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cd77006e01b3198c75fb7819b3d0ff89709539bb commit: dbeb90b0c1eb86a9b963b929d3c937afb7dadfa3 riscv: Add perf callchain support date: 10 months ago config: riscv-randconfig-r034-20200701 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout dbeb90b0c1eb86a9b963b929d3c937afb7dadfa3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/perf_event.h:25,
from arch/riscv/kernel/perf_callchain.c:4:
arch/riscv/include/asm/perf_event.h:26:2: error: #error "Please provide a
valid RISCV_MAX_COUNTERS for the PMU."
26 | #error "Please provide a valid RISCV_MAX_COUNTERS for the PMU."
| ^~~~~
arch/riscv/include/asm/perf_event.h:54:28: error: 'RISCV_MAX_COUNTERS'
undeclared here (not in a function); did you mean 'RISCV_BASE_COUNTERS'?
54 | struct perf_event *events[RISCV_MAX_COUNTERS];
| ^~~~~~~~~~~~~~~~~~
| RISCV_BASE_COUNTERS
>> arch/riscv/kernel/perf_callchain.c:77:6: warning: no previous prototype for
>> 'fill_callchain' [-Wmissing-prototypes]
77 | bool fill_callchain(unsigned long pc, void *entry)
| ^~~~~~~~~~~~~~
vim +/fill_callchain +77 arch/riscv/kernel/perf_callchain.c
76
> 77 bool fill_callchain(unsigned long pc, void *entry)
78 {
79 return perf_callchain_store(entry, pc);
80 }
81
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
