1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM tlb 3 4 #if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_TLB_H 6 7 #include <linux/mm_types.h> 8 #include <linux/tracepoint.h> 9 10 #define TLB_FLUSH_REASON \ 11 EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ 12 EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ 13 EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ 14 EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ 15 EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) 16 17 /* 18 * First define the enums in TLB_FLUSH_REASON to be exported to userspace 19 * via TRACE_DEFINE_ENUM(). 20 */ 21 #undef EM 22 #undef EMe 23 #define EM(a,b) TRACE_DEFINE_ENUM(a); 24 #define EMe(a,b) TRACE_DEFINE_ENUM(a); 25 26 TLB_FLUSH_REASON 27 28 /* 29 * Now redefine the EM() and EMe() macros to map the enums to the strings 30 * that will be printed in the output. 31 */ 32 #undef EM 33 #undef EMe 34 #define EM(a,b) { a, b }, 35 #define EMe(a,b) { a, b } 36 37 TRACE_EVENT(tlb_flush, 38 39 TP_PROTO(int reason, unsigned long pages), 40 TP_ARGS(reason, pages), 41 42 TP_STRUCT__entry( 43 __field( int, reason) 44 __field(unsigned long, pages) 45 ), 46 47 TP_fast_assign( 48 __entry->reason = reason; 49 __entry->pages = pages; 50 ), 51 52 TP_printk("pages:%ld reason:%s (%d)", 53 __entry->pages, 54 __print_symbolic(__entry->reason, TLB_FLUSH_REASON), 55 __entry->reason) 56 ); 57 58 #endif /* _TRACE_TLB_H */ 59 60 /* This part must be outside protection */ 61 #include <trace/define_trace.h> 62