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 EMe( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) 15 16 /* 17 * First define the enums in TLB_FLUSH_REASON to be exported to userspace 18 * via TRACE_DEFINE_ENUM(). 19 */ 20 #undef EM 21 #undef EMe 22 #define EM(a,b) TRACE_DEFINE_ENUM(a); 23 #define EMe(a,b) TRACE_DEFINE_ENUM(a); 24 25 TLB_FLUSH_REASON 26 27 /* 28 * Now redefine the EM() and EMe() macros to map the enums to the strings 29 * that will be printed in the output. 30 */ 31 #undef EM 32 #undef EMe 33 #define EM(a,b) { a, b }, 34 #define EMe(a,b) { a, b } 35 36 TRACE_EVENT_CONDITION(tlb_flush, 37 38 TP_PROTO(int reason, unsigned long pages), 39 TP_ARGS(reason, pages), 40 41 TP_CONDITION(cpu_online(smp_processor_id())), 42 43 TP_STRUCT__entry( 44 __field( int, reason) 45 __field(unsigned long, pages) 46 ), 47 48 TP_fast_assign( 49 __entry->reason = reason; 50 __entry->pages = pages; 51 ), 52 53 TP_printk("pages:%ld reason:%s (%d)", 54 __entry->pages, 55 __print_symbolic(__entry->reason, TLB_FLUSH_REASON), 56 __entry->reason) 57 ); 58 59 #endif /* _TRACE_TLB_H */ 60 61 /* This part must be outside protection */ 62 #include <trace/define_trace.h> 63