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 EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) 17 18 /* 19 * First define the enums in TLB_FLUSH_REASON to be exported to userspace 20 * via TRACE_DEFINE_ENUM(). 21 */ 22 #undef EM 23 #undef EMe 24 #define EM(a,b) TRACE_DEFINE_ENUM(a); 25 #define EMe(a,b) TRACE_DEFINE_ENUM(a); 26 27 TLB_FLUSH_REASON 28 29 /* 30 * Now redefine the EM() and EMe() macros to map the enums to the strings 31 * that will be printed in the output. 32 */ 33 #undef EM 34 #undef EMe 35 #define EM(a,b) { a, b }, 36 #define EMe(a,b) { a, b } 37 38 TRACE_EVENT(tlb_flush, 39 40 TP_PROTO(int reason, unsigned long pages), 41 TP_ARGS(reason, pages), 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