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Date: Wed, 29 Nov 2017 04:47:44 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: Joel Fernandes <joelaf@...gle.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
"Steven Rostedt (VMware)" <rostedt@...dmis.org>
Subject: kernel/trace/trace_irqsoff.c:855:2: error: implicit declaration of
function 'trace_preempt_enable_rcuidle'; did you mean
'trace_irq_enable_rcuidle'?
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 43f462f1c2e111d2882b48baeeff774ae42e7c56
commit: d59158162e032917a428704160a2063a02405ec6 tracing: Add support for preempt and irq enable/disable events
date: 7 weeks ago
config: x86_64-randconfig-b0-11290312 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
git checkout d59158162e032917a428704160a2063a02405ec6
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
kernel/trace/trace_irqsoff.c: In function 'trace_preempt_on':
>> kernel/trace/trace_irqsoff.c:855:2: error: implicit declaration of function 'trace_preempt_enable_rcuidle'; did you mean 'trace_irq_enable_rcuidle'? [-Werror=implicit-function-declaration]
trace_preempt_enable_rcuidle(a0, a1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
trace_irq_enable_rcuidle
kernel/trace/trace_irqsoff.c: In function 'trace_preempt_off':
>> kernel/trace/trace_irqsoff.c:861:2: error: implicit declaration of function 'trace_preempt_disable_rcuidle'; did you mean 'trace_irq_disable_rcuidle'? [-Werror=implicit-function-declaration]
trace_preempt_disable_rcuidle(a0, a1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
trace_irq_disable_rcuidle
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 1 include/linux/list.h:hlist_empty
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_inc
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_dec
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_add_return
Cyclomatic Complexity 1 include/linux/jump_label.h:static_key_count
Cyclomatic Complexity 2 include/linux/jump_label.h:static_key_false
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_restore
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_save
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:preempt_count
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:__preempt_count_dec_and_test
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:should_resched
Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_lock_sched_notrace
Cyclomatic Complexity 2 include/linux/rcupdate.h:rcu_read_unlock_sched_notrace
Cyclomatic Complexity 1 arch/x86/include/asm/stacktrace.h:caller_frame_pointer
Cyclomatic Complexity 1 include/linux/perf_event.h:perf_fetch_caller_regs
Cyclomatic Complexity 5 include/linux/trace_events.h:trace_trigger_soft_disabled
Cyclomatic Complexity 1 kernel/trace/trace.h:ftrace_graph_addr
Cyclomatic Complexity 1 kernel/trace/trace.h:ftrace_graph_notrace_addr
Cyclomatic Complexity 6 kernel/trace/trace.h:ftrace_graph_ignore_func
Cyclomatic Complexity 6 include/trace/events/preemptirq.h:trace_irq_disable_rcuidle
Cyclomatic Complexity 6 include/trace/events/preemptirq.h:trace_irq_enable_rcuidle
Cyclomatic Complexity 1 include/trace/events/preemptirq.h:trace_event_get_offsets_preemptirq_template
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:preempt_trace
Cyclomatic Complexity 4 kernel/trace/trace_irqsoff.c:report_latency
Cyclomatic Complexity 7 kernel/trace/trace_irqsoff.c:start_critical_timing
Cyclomatic Complexity 8 kernel/trace/trace_irqsoff.c:stop_critical_timing
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:tracer_preempt_on
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:tracer_preempt_off
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:irqsoff_tracer_start
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:irqsoff_tracer_stop
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:tracer_hardirqs_on
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:tracer_hardirqs_off
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:tracer_hardirqs_on_caller
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:tracer_hardirqs_off_caller
Cyclomatic Complexity 3 include/trace/events/preemptirq.h:trace_event_define_fields_preemptirq_template
Cyclomatic Complexity 6 include/trace/events/preemptirq.h:perf_trace_preemptirq_template
Cyclomatic Complexity 3 include/trace/events/preemptirq.h:trace_event_raw_event_preemptirq_template
Cyclomatic Complexity 2 include/trace/events/preemptirq.h:trace_raw_output_preemptirq_template
Cyclomatic Complexity 5 kernel/trace/trace_irqsoff.c:func_prolog_dec
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:__trace_function
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_tracer_call
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:init_irqsoff_tracer
Cyclomatic Complexity 6 kernel/trace/trace_irqsoff.c:register_irqsoff_function
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:start_irqsoff_tracer
Cyclomatic Complexity 4 kernel/trace/trace_irqsoff.c:irqsoff_graph_entry
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_graph_return
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:unregister_irqsoff_function
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:irqsoff_function_set
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:stop_irqsoff_tracer
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:irqsoff_display_graph
Cyclomatic Complexity 3 kernel/trace/trace_irqsoff.c:irqsoff_flag_changed
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_print_line
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_print_header
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_trace_close
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:irqsoff_trace_open
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:irqsoff_tracer_reset
Cyclomatic Complexity 5 kernel/trace/trace_irqsoff.c:__irqsoff_tracer_init
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:preemptoff_tracer_init
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:start_critical_timings
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:stop_critical_timings
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:trace_hardirqs_on
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:trace_hardirqs_off
Cyclomatic Complexity 7 kernel/trace/trace_irqsoff.c:check_critical_timing
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:trace_hardirqs_on_caller
Cyclomatic Complexity 2 kernel/trace/trace_irqsoff.c:trace_hardirqs_off_caller
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:trace_softirqs_on
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:trace_softirqs_off
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:print_irqtrace_events
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:trace_preempt_on
Cyclomatic Complexity 1 kernel/trace/trace_irqsoff.c:trace_preempt_off
cc1: some warnings being treated as errors
vim +855 kernel/trace/trace_irqsoff.c
850
851 #if defined(CONFIG_PREEMPT_TRACER) || \
852 (defined(CONFIG_DEBUG_PREEMPT) && defined(CONFIG_PREEMPTIRQ_EVENTS))
853 void trace_preempt_on(unsigned long a0, unsigned long a1)
854 {
> 855 trace_preempt_enable_rcuidle(a0, a1);
856 tracer_preempt_on(a0, a1);
857 }
858
859 void trace_preempt_off(unsigned long a0, unsigned long a1)
860 {
> 861 trace_preempt_disable_rcuidle(a0, a1);
---
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