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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM random
#if !defined(_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RANDOM_H
#include <linux/writeback.h>
#include <linux/tracepoint.h>
TRACE_EVENT(add_device_randomness,
TP_PROTO(size_t bytes, unsigned long IP),
TP_ARGS(bytes, IP),
TP_STRUCT__entry(
__field(size_t, bytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->bytes = bytes;
__entry->IP = IP;
),
TP_printk("bytes %zu caller %pS",
__entry->bytes, (void *)__entry->IP)
);
DECLARE_EVENT_CLASS(random__mix_pool_bytes,
TP_PROTO(size_t bytes, unsigned long IP),
TP_ARGS(bytes, IP),
TP_STRUCT__entry(
__field(size_t, bytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->bytes = bytes;
__entry->IP = IP;
),
TP_printk("input pool: bytes %zu caller %pS",
__entry->bytes, (void *)__entry->IP)
);
DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes,
TP_PROTO(size_t bytes, unsigned long IP),
TP_ARGS(bytes, IP)
);
DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes_nolock,
TP_PROTO(int bytes, unsigned long IP),
TP_ARGS(bytes, IP)
);
TRACE_EVENT(credit_entropy_bits,
TP_PROTO(size_t bits, size_t entropy_count, unsigned long IP),
TP_ARGS(bits, entropy_count, IP),
TP_STRUCT__entry(
__field(size_t, bits )
__field(size_t, entropy_count )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->bits = bits;
__entry->entropy_count = entropy_count;
__entry->IP = IP;
),
TP_printk("input pool: bits %zu entropy_count %zu caller %pS",
__entry->bits, __entry->entropy_count, (void *)__entry->IP)
);
TRACE_EVENT(add_input_randomness,
TP_PROTO(size_t input_bits),
TP_ARGS(input_bits),
TP_STRUCT__entry(
__field(size_t, input_bits )
),
TP_fast_assign(
__entry->input_bits = input_bits;
),
TP_printk("input_pool_bits %zu", __entry->input_bits)
);
TRACE_EVENT(add_disk_randomness,
TP_PROTO(dev_t dev, size_t input_bits),
TP_ARGS(dev, input_bits),
TP_STRUCT__entry(
__field(dev_t, dev )
__field(size_t, input_bits )
),
TP_fast_assign(
__entry->dev = dev;
__entry->input_bits = input_bits;
),
TP_printk("dev %d,%d input_pool_bits %zu", MAJOR(__entry->dev),
MINOR(__entry->dev), __entry->input_bits)
);
DECLARE_EVENT_CLASS(random__get_random_bytes,
TP_PROTO(size_t nbytes, unsigned long IP),
TP_ARGS(nbytes, IP),
TP_STRUCT__entry(
__field(size_t, nbytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->nbytes = nbytes;
__entry->IP = IP;
),
TP_printk("nbytes %zu caller %pS", __entry->nbytes, (void *)__entry->IP)
);
DEFINE_EVENT(random__get_random_bytes, get_random_bytes,
TP_PROTO(size_t nbytes, unsigned long IP),
TP_ARGS(nbytes, IP)
);
DEFINE_EVENT(random__get_random_bytes, get_random_bytes_arch,
TP_PROTO(size_t nbytes, unsigned long IP),
TP_ARGS(nbytes, IP)
);
DECLARE_EVENT_CLASS(random__extract_entropy,
TP_PROTO(size_t nbytes, size_t entropy_count),
TP_ARGS(nbytes, entropy_count),
TP_STRUCT__entry(
__field( size_t, nbytes )
__field( size_t, entropy_count )
),
TP_fast_assign(
__entry->nbytes = nbytes;
__entry->entropy_count = entropy_count;
),
TP_printk("input pool: nbytes %zu entropy_count %zu",
__entry->nbytes, __entry->entropy_count)
);
DEFINE_EVENT(random__extract_entropy, extract_entropy,
TP_PROTO(size_t nbytes, size_t entropy_count),
TP_ARGS(nbytes, entropy_count)
);
TRACE_EVENT(urandom_read,
TP_PROTO(size_t nbytes, size_t entropy_count),
TP_ARGS(nbytes, entropy_count),
TP_STRUCT__entry(
__field( size_t, nbytes )
__field( size_t, entropy_count )
),
TP_fast_assign(
__entry->nbytes = nbytes;
__entry->entropy_count = entropy_count;
),
TP_printk("reading: nbytes %zu entropy_count %zu",
__entry->nbytes, __entry->entropy_count)
);
TRACE_EVENT(prandom_u32,
TP_PROTO(unsigned int ret),
TP_ARGS(ret),
TP_STRUCT__entry(
__field( unsigned int, ret)
),
TP_fast_assign(
__entry->ret = ret;
),
TP_printk("ret=%u" , __entry->ret)
);
#endif /* _TRACE_RANDOM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
