1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2d17d8f9dSDave Hansen #undef TRACE_SYSTEM 3d17d8f9dSDave Hansen #define TRACE_SYSTEM tlb 4d17d8f9dSDave Hansen 5d17d8f9dSDave Hansen #if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) 6d17d8f9dSDave Hansen #define _TRACE_TLB_H 7d17d8f9dSDave Hansen 8d17d8f9dSDave Hansen #include <linux/mm_types.h> 9d17d8f9dSDave Hansen #include <linux/tracepoint.h> 10d17d8f9dSDave Hansen 11d17d8f9dSDave Hansen #define TLB_FLUSH_REASON \ 1223b97662SSteven Rostedt (Red Hat) EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ 1323b97662SSteven Rostedt (Red Hat) EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ 1423b97662SSteven Rostedt (Red Hat) EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ 155b74283aSMel Gorman EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ 165b74283aSMel Gorman EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) 1723b97662SSteven Rostedt (Red Hat) 1823b97662SSteven Rostedt (Red Hat) /* 1923b97662SSteven Rostedt (Red Hat) * First define the enums in TLB_FLUSH_REASON to be exported to userspace 2023b97662SSteven Rostedt (Red Hat) * via TRACE_DEFINE_ENUM(). 2123b97662SSteven Rostedt (Red Hat) */ 2223b97662SSteven Rostedt (Red Hat) #undef EM 2323b97662SSteven Rostedt (Red Hat) #undef EMe 2423b97662SSteven Rostedt (Red Hat) #define EM(a,b) TRACE_DEFINE_ENUM(a); 2523b97662SSteven Rostedt (Red Hat) #define EMe(a,b) TRACE_DEFINE_ENUM(a); 2623b97662SSteven Rostedt (Red Hat) 2723b97662SSteven Rostedt (Red Hat) TLB_FLUSH_REASON 2823b97662SSteven Rostedt (Red Hat) 2923b97662SSteven Rostedt (Red Hat) /* 3023b97662SSteven Rostedt (Red Hat) * Now redefine the EM() and EMe() macros to map the enums to the strings 3123b97662SSteven Rostedt (Red Hat) * that will be printed in the output. 3223b97662SSteven Rostedt (Red Hat) */ 3323b97662SSteven Rostedt (Red Hat) #undef EM 3423b97662SSteven Rostedt (Red Hat) #undef EMe 3523b97662SSteven Rostedt (Red Hat) #define EM(a,b) { a, b }, 3623b97662SSteven Rostedt (Red Hat) #define EMe(a,b) { a, b } 37d17d8f9dSDave Hansen 38633f6f58SSteven Rostedt (Red Hat) TRACE_EVENT(tlb_flush, 39d17d8f9dSDave Hansen 40d17d8f9dSDave Hansen TP_PROTO(int reason, unsigned long pages), 41d17d8f9dSDave Hansen TP_ARGS(reason, pages), 42d17d8f9dSDave Hansen 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