Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752572Ab3EIGIe (ORCPT ); Thu, 9 May 2013 02:08:34 -0400 Received: from mail-pa0-f47.google.com ([209.85.220.47]:58688 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752268Ab3EIGG0 (ORCPT ); Thu, 9 May 2013 02:06:26 -0400 From: Francis Deslauriers To: linux-mm@kvack.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, rostedt@goodmis.org, fweisbec@gmail.com Cc: raphael.beamonte@gmail.com, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, Francis Deslauriers Subject: [page fault tracepoint 1/2] Add page fault trace event definitions Date: Thu, 9 May 2013 02:05:19 -0400 Message-Id: <1368079520-11015-1-git-send-email-fdeslaur@gmail.com> X-Mailer: git-send-email 1.7.10.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1949 Lines: 76 Add page_fault_entry and page_fault_exit event definitions. It will allow each architecture to instrument their page faults. Signed-off-by: Francis Deslauriers Reviewed-by: Raphaël Beamonte Reviewed-by: Mathieu Desnoyers --- include/trace/events/fault.h | 51 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 include/trace/events/fault.h diff --git a/include/trace/events/fault.h b/include/trace/events/fault.h new file mode 100644 index 0000000..522ddee --- /dev/null +++ b/include/trace/events/fault.h @@ -0,0 +1,51 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM fault + +#if !defined(_TRACE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_FAULT_H + +#include + +TRACE_EVENT(page_fault_entry, + + TP_PROTO(struct pt_regs *regs, unsigned long address, + int write_access), + + TP_ARGS(regs, address, write_access), + + TP_STRUCT__entry( + __field( unsigned long, ip ) + __field( unsigned long, addr ) + __field( uint8_t, write ) + ), + + TP_fast_assign( + __entry->ip = regs ? instruction_pointer(regs) : 0UL; + __entry->addr = address; + __entry->write = !!write_access; + ), + + TP_printk("ip=%lu addr=%lu write_access=%d", + __entry->ip, __entry->addr, __entry->write) +); + +TRACE_EVENT(page_fault_exit, + + TP_PROTO(int result), + + TP_ARGS(result), + + TP_STRUCT__entry( + __field( int, res ) + ), + + TP_fast_assign( + __entry->res = result; + ), + + TP_printk("result=%d", __entry->res) +); + +#endif /* _TRACE_FAULT_H */ +/* This part must be outside protection */ +#include -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/