./runqslower.h:7:8: error: redefinition of 'event'

From: kernel test robot
Date: Tue Jul 20 2021 - 02:14:12 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
commit: 4bba4c4bb09ad4a2b70836725e08439c86d8f9e4 tools headers: Get tools's linux/compiler.h closer to the kernel's
date: 7 months ago
config: i386-randconfig-h002-20200226-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4bba4c4bb09ad4a2b70836725e08439c86d8f9e4
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4bba4c4bb09ad4a2b70836725e08439c86d8f9e4
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash -C tools/testing/selftests/bpf install

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from runqslower.bpf.c:5:
>> ./runqslower.h:7:8: error: redefinition of 'event'
struct event {
^
tools/testing/selftests/bpf/tools/vmlinux.h:113262:8: note: previous definition is here
struct event {
^
>> runqslower.bpf.c:86:8: error: no member named 'pid' in 'struct event'
event.pid = pid;
~~~~~ ^
>> runqslower.bpf.c:87:8: error: no member named 'delta_us' in 'struct event'
event.delta_us = delta_us;
~~~~~ ^
>> runqslower.bpf.c:88:30: error: no member named 'task' in 'struct event'
bpf_get_current_comm(&event.task, sizeof(event.task));
~~~~~ ^
runqslower.bpf.c:88:49: error: no member named 'task' in 'struct event'
bpf_get_current_comm(&event.task, sizeof(event.task));
~~~~~ ^
5 errors generated.

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Attachment: .config.gz
Description: application/gzip