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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/trace/events/tlb.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/trace/events/tlb.h')
-rw-r--r-- | include/trace/events/tlb.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h new file mode 100644 index 000000000..b4d8e7dc3 --- /dev/null +++ b/include/trace/events/tlb.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM tlb + +#if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_TLB_H + +#include <linux/mm_types.h> +#include <linux/tracepoint.h> + +#define TLB_FLUSH_REASON \ + EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ + EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ + EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ + EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ + EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) + +/* + * First define the enums in TLB_FLUSH_REASON to be exported to userspace + * via TRACE_DEFINE_ENUM(). + */ +#undef EM +#undef EMe +#define EM(a,b) TRACE_DEFINE_ENUM(a); +#define EMe(a,b) TRACE_DEFINE_ENUM(a); + +TLB_FLUSH_REASON + +/* + * Now redefine the EM() and EMe() macros to map the enums to the strings + * that will be printed in the output. + */ +#undef EM +#undef EMe +#define EM(a,b) { a, b }, +#define EMe(a,b) { a, b } + +TRACE_EVENT(tlb_flush, + + TP_PROTO(int reason, unsigned long pages), + TP_ARGS(reason, pages), + + TP_STRUCT__entry( + __field( int, reason) + __field(unsigned long, pages) + ), + + TP_fast_assign( + __entry->reason = reason; + __entry->pages = pages; + ), + + TP_printk("pages:%ld reason:%s (%d)", + __entry->pages, + __print_symbolic(__entry->reason, TLB_FLUSH_REASON), + __entry->reason) +); + +#endif /* _TRACE_TLB_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |