/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* drivers/staging/android/ion/ion-trace.h
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*
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* Copyright (C) 2020 Google, Inc.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM ion
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#if !defined(_ION_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _ION_TRACE_H
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#include <linux/tracepoint.h>
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#ifndef __ION_PTR_TO_HASHVAL
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static unsigned int __maybe_unused __ion_ptr_to_hash(const void *ptr)
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{
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unsigned long hashval;
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if (ptr_to_hashval(ptr, &hashval))
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return 0;
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/* The hashed value is only 32-bit */
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return (unsigned int)hashval;
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}
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#define __ION_PTR_TO_HASHVAL
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#endif
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TRACE_EVENT(ion_stat,
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TP_PROTO(const void *addr, long len,
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unsigned long total_allocated),
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TP_ARGS(addr, len, total_allocated),
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TP_STRUCT__entry(__field(unsigned int, buffer_id)
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__field(long, len)
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__field(unsigned long, total_allocated)
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),
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TP_fast_assign(__entry->buffer_id = __ion_ptr_to_hash(addr);
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__entry->len = len;
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__entry->total_allocated = total_allocated;
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),
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TP_printk("buffer_id=%u len=%ldB total_allocated=%ldB",
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__entry->buffer_id,
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__entry->len,
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__entry->total_allocated)
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);
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#endif /* _ION_TRACE_H */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE ion_trace
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#include <trace/define_trace.h>
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