From 06aa9378df017ea7482b1bfdcd750104c8b3c407 Mon Sep 17 00:00:00 2001 From: Nam Cao Date: Mon, 12 May 2025 12:50:59 +0200 Subject: x86/tracing, x86/mm: Move page fault tracepoints to generic Page fault tracepoints are interesting for other architectures as well. Move them to be generic. Signed-off-by: Nam Cao Signed-off-by: Ingo Molnar Cc: Dave Hansen Cc: Gabriele Monaco Cc: H. Peter Anvin Cc: John Ogness Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Steven Rostedt Cc: linux-trace-kernel@vger.kernel.org Link: https://lore.kernel.org/r/89c2f284adf9b4c933f0e65811c50cef900a5a95.1747046848.git.namcao@linutronix.de --- include/trace/events/exceptions.h | 43 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 include/trace/events/exceptions.h (limited to 'include') diff --git a/include/trace/events/exceptions.h b/include/trace/events/exceptions.h new file mode 100644 index 000000000000..a631f8de8917 --- /dev/null +++ b/include/trace/events/exceptions.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM exceptions + +#if !defined(_TRACE_PAGE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_PAGE_FAULT_H + +#include + +DECLARE_EVENT_CLASS(exceptions, + + TP_PROTO(unsigned long address, struct pt_regs *regs, + unsigned long error_code), + + TP_ARGS(address, regs, error_code), + + TP_STRUCT__entry( + __field( unsigned long, address ) + __field( unsigned long, ip ) + __field( unsigned long, error_code ) + ), + + TP_fast_assign( + __entry->address = address; + __entry->ip = instruction_pointer(regs); + __entry->error_code = error_code; + ), + + TP_printk("address=%ps ip=%ps error_code=0x%lx", + (void *)__entry->address, (void *)__entry->ip, + __entry->error_code) ); + +DEFINE_EVENT(exceptions, page_fault_user, + TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), + TP_ARGS(address, regs, error_code)); +DEFINE_EVENT(exceptions, page_fault_kernel, + TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), + TP_ARGS(address, regs, error_code)); + +#endif /* _TRACE_PAGE_FAULT_H */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3