1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM tlb 4 5 #if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_TLB_H 7 8 #include <linux/mm_types.h> 9 #include <linux/tracepoint.h> 10 11 #define TLB_FLUSH_REASON \ 12 EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ 13 EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ 14 EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ 15 EM( TLB_LOCAL_MM_SHOOTDOWN, "local MM shootdown" ) \ 16 EM( TLB_REMOTE_SEND_IPI, "remote IPI send" ) \ 17 EMe( TLB_REMOTE_WRONG_CPU, "remote wrong CPU" ) 18 19 /* 20 * First define the enums in TLB_FLUSH_REASON to be exported to userspace 21 * via TRACE_DEFINE_ENUM(). 22 */ 23 #undef EM 24 #undef EMe 25 #define EM(a,b) TRACE_DEFINE_ENUM(a); 26 #define EMe(a,b) TRACE_DEFINE_ENUM(a); 27 28 TLB_FLUSH_REASON 29 30 /* 31 * Now redefine the EM() and EMe() macros to map the enums to the strings 32 * that will be printed in the output. 33 */ 34 #undef EM 35 #undef EMe 36 #define EM(a,b) { a, b }, 37 #define EMe(a,b) { a, b } 38 39 TRACE_EVENT(tlb_flush, 40 41 TP_PROTO(int reason, unsigned long pages), 42 TP_ARGS(reason, pages), 43 44 TP_STRUCT__entry( 45 __field( int, reason) 46 __field(unsigned long, pages) 47 ), 48 49 TP_fast_assign( 50 __entry->reason = reason; 51 __entry->pages = pages; 52 ), 53 54 TP_printk("pages:%ld reason:%s (%d)", 55 __entry->pages, 56 __print_symbolic(__entry->reason, TLB_FLUSH_REASON), 57 __entry->reason) 58 ); 59 60 #endif /* _TRACE_TLB_H */ 61 62 /* This part must be outside protection */ 63 #include <trace/define_trace.h> 64