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Date: Thu, 14 Jan 2021 11:46:47 +0800
From: kernel test robot <lkp@...el.com>
To: Qais Yousef <qais.yousef@....com>, netdev@...r.kernel.org,
bpf@...r.kernel.org
Cc: kbuild-all@...ts.01.org, Alexei Starovoitov <ast@...nel.org>,
Andrii Nakryiko <andrii@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Steven Rostedt <rostedt@...dmis.org>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
linux-kernel@...r.kernel.org, Qais Yousef <qais.yousef@....com>
Subject: Re: [PATCH bpf-next 1/2] trace: bpf: Allow bpf to attach to bare
tracepoints
Hi Qais,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on bpf-next/master]
url: https://github.com/0day-ci/linux/commits/Qais-Yousef/Allow-attaching-to-bare-tracepoints/20210112-022350
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-rhel-8.3 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/8f02e2ee2ac949ce6b4fd3cfd323f2e513a2cac6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Qais-Yousef/Allow-attaching-to-bare-tracepoints/20210112-022350
git checkout 8f02e2ee2ac949ce6b4fd3cfd323f2e513a2cac6
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/trace/define_trace.h:104,
from include/trace/events/sched.h:740,
from kernel/sched/core.c:10:
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:693:1: note: in expansion of macro 'DECLARE_TRACE'
693 | DECLARE_TRACE(pelt_cfs_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:697:1: note: in expansion of macro 'DECLARE_TRACE'
697 | DECLARE_TRACE(pelt_rt_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:701:1: note: in expansion of macro 'DECLARE_TRACE'
701 | DECLARE_TRACE(pelt_dl_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:705:1: note: in expansion of macro 'DECLARE_TRACE'
705 | DECLARE_TRACE(pelt_thermal_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:709:1: note: in expansion of macro 'DECLARE_TRACE'
709 | DECLARE_TRACE(pelt_irq_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:713:1: note: in expansion of macro 'DECLARE_TRACE'
713 | DECLARE_TRACE(pelt_se_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:717:1: note: in expansion of macro 'DECLARE_TRACE'
717 | DECLARE_TRACE(sched_cpu_capacity_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:721:1: note: in expansion of macro 'DECLARE_TRACE'
721 | DECLARE_TRACE(sched_overutilized_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:725:1: note: in expansion of macro 'DECLARE_TRACE'
725 | DECLARE_TRACE(sched_util_est_cfs_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:729:1: note: in expansion of macro 'DECLARE_TRACE'
729 | DECLARE_TRACE(sched_util_est_se_tp,
| ^~~~~~~~~~~~~
>> include/trace/bpf_probe.h:59:1: error: expected identifier or '(' before 'static'
59 | static notrace void \
| ^~~~~~
include/trace/bpf_probe.h:119:3: note: in expansion of macro '__BPF_DECLARE_TRACE'
119 | (__BPF_DECLARE_TRACE(call, PARAMS(proto), PARAMS(args)) \
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/sched.h:733:1: note: in expansion of macro 'DECLARE_TRACE'
733 | DECLARE_TRACE(sched_update_nr_running_tp,
| ^~~~~~~~~~~~~
kernel/sched/core.c:2828:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
2828 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: In function 'schedule_tail':
kernel/sched/core.c:4238:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
4238 | struct rq *rq;
| ^~
vim +59 include/trace/bpf_probe.h
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 57
8f02e2ee2ac949 Qais Yousef 2021-01-11 58 #define __BPF_DECLARE_TRACE(call, proto, args) \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 @59 static notrace void \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 60 __bpf_trace_##call(void *__data, proto) \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 61 { \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 62 struct bpf_prog *prog = __data; \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 63 CONCATENATE(bpf_trace_run, COUNT_ARGS(args))(prog, CAST_TO_U64(args)); \
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 64 }
c4f6699dfcb855 Alexei Starovoitov 2018-03-28 65
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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