projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| d17d8f9d DH |
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 | ||
| 23b97662 SRRH |
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" ) \ | |
| 5b74283a MG |
15 | EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ |
| 16 | EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) | |
| 23b97662 SRRH |
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 } | |
| d17d8f9d | 37 | |
| 633f6f58 | 38 | TRACE_EVENT(tlb_flush, |
| d17d8f9d DH |
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> |