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kernel add
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#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_alloc,
TP_PROTO(unsigned long pfn, const struct page *page,
unsigned int count, unsigned int align),
TP_ARGS(pfn, page, count, align),
TP_STRUCT__entry(
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned int, count)
__field(unsigned int, align)
),
TP_fast_assign(
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
__entry->align = align;
),
TP_printk("pfn=%lx page=%p count=%u align=%u",
__entry->pfn,
__entry->page,
__entry->count,
__entry->align)
);
TRACE_EVENT(cma_release,
TP_PROTO(unsigned long pfn, const struct page *page,
unsigned int count),
TP_ARGS(pfn, page, count),
TP_STRUCT__entry(
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned int, count)
),
TP_fast_assign(
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
),
TP_printk("pfn=%lx page=%p count=%u",
__entry->pfn,
__entry->page,
__entry->count)
);
#endif /* _TRACE_CMA_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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