Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103/* SPDX-License-Identifier: GPL-2.0 */#undef TRACE_SYSTEM/* * For historical versions, memory_failure_event is in ras subsystem, * some user programs depend on it. */#define TRACE_SYSTEM ras#define TRACE_INCLUDE_FILE memory-failure
#if !defined(_TRACE_MEMORY_FAILURE_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_MEMORY_FAILURE_H
#include <linux/tracepoint.h>#include <linux/mm.h>
/* * memory-failure recovery action result event * * unsigned long pfn - Page Frame Number of the corrupted page * int type - Page types of the corrupted page * int result - Result of recovery action */
#define MF_ACTION_RESULT \ EM ( MF_IGNORED, "Ignored" ) \ EM ( MF_FAILED, "Failed" ) \ EM ( MF_DELAYED, "Delayed" ) \ EMe ( MF_RECOVERED, "Recovered" )
#define MF_PAGE_TYPE \ EM ( MF_MSG_KERNEL, "reserved kernel page" ) \ EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" ) \ EM ( MF_MSG_HUGE, "huge page" ) \ EM ( MF_MSG_FREE_HUGE, "free huge page" ) \ EM ( MF_MSG_GET_HWPOISON, "get hwpoison page" ) \ EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" ) \ EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" ) \ EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" ) \ EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" ) \ EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" ) \ EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" ) \ EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" ) \ EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" ) \ EM ( MF_MSG_CLEAN_LRU, "clean LRU page" ) \ EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" ) \ EM ( MF_MSG_BUDDY, "free buddy page" ) \ EM ( MF_MSG_DAX, "dax page" ) \ EM ( MF_MSG_UNSPLIT_THP, "unsplit thp" ) \ EM ( MF_MSG_ALREADY_POISONED, "already poisoned" ) \ EM ( MF_MSG_PFN_MAP, "non struct page pfn" ) \ EMe ( MF_MSG_UNKNOWN, "unknown page" )
/* * First define the enums in MM_ACTION_RESULT to be exported to userspace * via TRACE_DEFINE_ENUM(). */#undef EM#undef EMe#define EM(a, b) TRACE_DEFINE_ENUM(a);#define EMe(a, b) TRACE_DEFINE_ENUM(a);
MF_ACTION_RESULTMF_PAGE_TYPE
/* * Now redefine the EM() and EMe() macros to map the enums to the strings * that will be printed in the output. */#undef EM#undef EMe#define EM(a, b) { a, b },#define EMe(a, b) { a, b }
TRACE_EVENT(memory_failure_event, TP_PROTO(unsigned long pfn, int type, int result),
TP_ARGS(pfn, type, result),
TP_STRUCT__entry( __field(unsigned long, pfn) __field(int, type) __field(int, result) ),
TP_fast_assign( __entry->pfn = pfn; __entry->type = type; __entry->result = result; ),
TP_printk("pfn %#lx: recovery action for %s: %s", __entry->pfn, __print_symbolic(__entry->type, MF_PAGE_TYPE), __print_symbolic(__entry->result, MF_ACTION_RESULT) ));#endif /* _TRACE_MEMORY_FAILURE_H */
/* This part must be outside protection */#include <trace/define_trace.h>