1d17d8f9dSDave Hansen #undef TRACE_SYSTEM 2d17d8f9dSDave Hansen #define TRACE_SYSTEM tlb 3d17d8f9dSDave Hansen 4d17d8f9dSDave Hansen #if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) 5d17d8f9dSDave Hansen #define _TRACE_TLB_H 6d17d8f9dSDave Hansen 7d17d8f9dSDave Hansen #include <linux/mm_types.h> 8d17d8f9dSDave Hansen #include <linux/tracepoint.h> 9d17d8f9dSDave Hansen 10d17d8f9dSDave Hansen #define TLB_FLUSH_REASON \ 11*23b97662SSteven Rostedt (Red Hat) EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ 12*23b97662SSteven Rostedt (Red Hat) EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ 13*23b97662SSteven Rostedt (Red Hat) EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ 14*23b97662SSteven Rostedt (Red Hat) EMe( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) 15*23b97662SSteven Rostedt (Red Hat) 16*23b97662SSteven Rostedt (Red Hat) /* 17*23b97662SSteven Rostedt (Red Hat) * First define the enums in TLB_FLUSH_REASON to be exported to userspace 18*23b97662SSteven Rostedt (Red Hat) * via TRACE_DEFINE_ENUM(). 19*23b97662SSteven Rostedt (Red Hat) */ 20*23b97662SSteven Rostedt (Red Hat) #undef EM 21*23b97662SSteven Rostedt (Red Hat) #undef EMe 22*23b97662SSteven Rostedt (Red Hat) #define EM(a,b) TRACE_DEFINE_ENUM(a); 23*23b97662SSteven Rostedt (Red Hat) #define EMe(a,b) TRACE_DEFINE_ENUM(a); 24*23b97662SSteven Rostedt (Red Hat) 25*23b97662SSteven Rostedt (Red Hat) TLB_FLUSH_REASON 26*23b97662SSteven Rostedt (Red Hat) 27*23b97662SSteven Rostedt (Red Hat) /* 28*23b97662SSteven Rostedt (Red Hat) * Now redefine the EM() and EMe() macros to map the enums to the strings 29*23b97662SSteven Rostedt (Red Hat) * that will be printed in the output. 30*23b97662SSteven Rostedt (Red Hat) */ 31*23b97662SSteven Rostedt (Red Hat) #undef EM 32*23b97662SSteven Rostedt (Red Hat) #undef EMe 33*23b97662SSteven Rostedt (Red Hat) #define EM(a,b) { a, b }, 34*23b97662SSteven Rostedt (Red Hat) #define EMe(a,b) { a, b } 35d17d8f9dSDave Hansen 366c8465a8SSteven Rostedt (Red Hat) TRACE_EVENT_CONDITION(tlb_flush, 37d17d8f9dSDave Hansen 38d17d8f9dSDave Hansen TP_PROTO(int reason, unsigned long pages), 39d17d8f9dSDave Hansen TP_ARGS(reason, pages), 40d17d8f9dSDave Hansen 416c8465a8SSteven Rostedt (Red Hat) TP_CONDITION(cpu_online(smp_processor_id())), 426c8465a8SSteven Rostedt (Red Hat) 43d17d8f9dSDave Hansen TP_STRUCT__entry( 44d17d8f9dSDave Hansen __field( int, reason) 45d17d8f9dSDave Hansen __field(unsigned long, pages) 46d17d8f9dSDave Hansen ), 47d17d8f9dSDave Hansen 48d17d8f9dSDave Hansen TP_fast_assign( 49d17d8f9dSDave Hansen __entry->reason = reason; 50d17d8f9dSDave Hansen __entry->pages = pages; 51d17d8f9dSDave Hansen ), 52d17d8f9dSDave Hansen 53d17d8f9dSDave Hansen TP_printk("pages:%ld reason:%s (%d)", 54d17d8f9dSDave Hansen __entry->pages, 55d17d8f9dSDave Hansen __print_symbolic(__entry->reason, TLB_FLUSH_REASON), 56d17d8f9dSDave Hansen __entry->reason) 57d17d8f9dSDave Hansen ); 58d17d8f9dSDave Hansen 59d17d8f9dSDave Hansen #endif /* _TRACE_TLB_H */ 60d17d8f9dSDave Hansen 61d17d8f9dSDave Hansen /* This part must be outside protection */ 62d17d8f9dSDave Hansen #include <trace/define_trace.h> 63