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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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48bcda6848
The trace_*_rcuidle() variant of a tracepoint was to handle places where a tracepoint was located but RCU was not "watching". All those locations have been removed, and RCU should be watching where all tracepoints are located. We can now remove the trace_*_rcuidle() variant. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Joel Fernandes <joel@joelfernandes.org> Link: https://lore.kernel.org/20241003181629.36209057@gandalf.local.home Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
#ifdef CONFIG_PREEMPTIRQ_TRACEPOINTS
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM preemptirq
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#if !defined(_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PREEMPTIRQ_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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#include <linux/string.h>
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#include <asm/sections.h>
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DECLARE_EVENT_CLASS(preemptirq_template,
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TP_PROTO(unsigned long ip, unsigned long parent_ip),
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TP_ARGS(ip, parent_ip),
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TP_STRUCT__entry(
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__field(s32, caller_offs)
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__field(s32, parent_offs)
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),
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TP_fast_assign(
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__entry->caller_offs = (s32)(ip - (unsigned long)_stext);
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__entry->parent_offs = (s32)(parent_ip - (unsigned long)_stext);
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),
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TP_printk("caller=%pS parent=%pS",
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(void *)((unsigned long)(_stext) + __entry->caller_offs),
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(void *)((unsigned long)(_stext) + __entry->parent_offs))
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);
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#ifdef CONFIG_TRACE_IRQFLAGS
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DEFINE_EVENT(preemptirq_template, irq_disable,
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TP_PROTO(unsigned long ip, unsigned long parent_ip),
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TP_ARGS(ip, parent_ip));
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DEFINE_EVENT(preemptirq_template, irq_enable,
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TP_PROTO(unsigned long ip, unsigned long parent_ip),
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TP_ARGS(ip, parent_ip));
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#else
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#define trace_irq_enable(...)
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#define trace_irq_disable(...)
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#endif
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#ifdef CONFIG_TRACE_PREEMPT_TOGGLE
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DEFINE_EVENT(preemptirq_template, preempt_disable,
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TP_PROTO(unsigned long ip, unsigned long parent_ip),
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TP_ARGS(ip, parent_ip));
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DEFINE_EVENT(preemptirq_template, preempt_enable,
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TP_PROTO(unsigned long ip, unsigned long parent_ip),
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TP_ARGS(ip, parent_ip));
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#else
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#define trace_preempt_enable(...)
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#define trace_preempt_disable(...)
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#endif
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#endif /* _TRACE_PREEMPTIRQ_H */
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#include <trace/define_trace.h>
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#else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */
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#define trace_irq_enable(...)
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#define trace_irq_disable(...)
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#define trace_preempt_enable(...)
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#define trace_preempt_disable(...)
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#endif
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