include/trace/events/cma.h

Source file repositories/reference/linux-study-clean/include/trace/events/cma.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/cma.h
Extension
.h
Size
3182 bytes
Lines
139
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM cma

#if !defined(_TRACE_CMA_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_CMA_H

#include <linux/types.h>
#include <linux/tracepoint.h>

TRACE_EVENT(cma_release,

	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
		 unsigned long count),

	TP_ARGS(name, pfn, page, count),

	TP_STRUCT__entry(
		__string(name, name)
		__field(unsigned long, pfn)
		__field(const struct page *, page)
		__field(unsigned long, count)
	),

	TP_fast_assign(
		__assign_str(name);
		__entry->pfn = pfn;
		__entry->page = page;
		__entry->count = count;
	),

	TP_printk("name=%s pfn=0x%lx page=%p count=%lu",
		  __get_str(name),
		  __entry->pfn,
		  __entry->page,
		  __entry->count)
);

TRACE_EVENT(cma_alloc_start,

	TP_PROTO(const char *name, unsigned long request_count, unsigned long available_count,
		unsigned long total_count, unsigned int align),

	TP_ARGS(name, request_count, available_count, total_count, align),

	TP_STRUCT__entry(
		__string(name, name)
		__field(unsigned long, request_count)
		__field(unsigned long, available_count)
		__field(unsigned long, total_count)
		__field(unsigned int, align)
	),

	TP_fast_assign(
		__assign_str(name);
		__entry->request_count = request_count;
		__entry->available_count = available_count;
		__entry->total_count = total_count;
		__entry->align = align;
	),

	TP_printk("name=%s request_count=%lu available_count=%lu total_count=%lu align=%u",
		  __get_str(name),
		  __entry->request_count,
		  __entry->available_count,
		  __entry->total_count,
		  __entry->align)
);

TRACE_EVENT(cma_alloc_finish,

	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
		 unsigned long count, unsigned int align, int errorno),

	TP_ARGS(name, pfn, page, count, align, errorno),

	TP_STRUCT__entry(
		__string(name, name)
		__field(unsigned long, pfn)
		__field(const struct page *, page)
		__field(unsigned long, count)
		__field(unsigned int, align)
		__field(int, errorno)
	),

	TP_fast_assign(
		__assign_str(name);
		__entry->pfn = pfn;
		__entry->page = page;
		__entry->count = count;
		__entry->align = align;

Annotation

Implementation Notes