/* I2C message transfer tracepoints * * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM i2c #if !defined(_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_I2C_H #include <linux/i2c.h> #include <linux/tracepoint.h> /* * drivers/i2c/i2c-core-base.c */ extern int i2c_transfer_trace_reg(void); extern void i2c_transfer_trace_unreg(void); /* * __i2c_transfer() write request */ TRACE_EVENT_FN(i2c_write, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) __dynamic_array(__u8, buf, msg->len) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; memcpy(__get_dynamic_array(buf), msg->buf, msg->len); ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u [%*phD]", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len, __entry->len, __get_dynamic_array(buf) ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() read request */ TRACE_EVENT_FN(i2c_read, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() read reply */ TRACE_EVENT_FN(i2c_reply, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) __dynamic_array(__u8, buf, msg->len) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; memcpy(__get_dynamic_array(buf), msg->buf, msg->len); ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u [%*phD]", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len, __entry->len, __get_dynamic_array(buf) ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() result */ TRACE_EVENT_FN(i2c_result, TP_PROTO(const struct i2c_adapter *adap, int num, int ret), TP_ARGS(adap, num, ret), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, nr_msgs ) __field(__s16, ret ) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->nr_msgs = num; __entry->ret = ret; ), TP_printk("i2c-%d n=%u ret=%d", __entry->adapter_nr, __entry->nr_msgs, __entry->ret ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); #endif /* _TRACE_I2C_H */ /* This part must be outside protection */ #include <trace/define_trace.h>
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afs.h | File | 13.13 KB | 0644 |
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alarmtimer.h | File | 2.04 KB | 0644 |
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asoc.h | File | 5.17 KB | 0644 |
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bcache.h | File | 10.9 KB | 0644 |
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block.h | File | 17.18 KB | 0644 |
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bpf.h | File | 8.23 KB | 0644 |
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bridge.h | File | 3.45 KB | 0644 |
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btrfs.h | File | 46.21 KB | 0644 |
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cgroup.h | File | 3.21 KB | 0644 |
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clk.h | File | 3.69 KB | 0644 |
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cma.h | File | 1.31 KB | 0644 |
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compaction.h | File | 7.76 KB | 0644 |
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context_tracking.h | File | 1.15 KB | 0644 |
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cpuhp.h | File | 1.83 KB | 0644 |
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devlink.h | File | 1.76 KB | 0644 |
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dma_fence.h | File | 1.66 KB | 0644 |
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ext4.h | File | 64.44 KB | 0644 |
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f2fs.h | File | 36.38 KB | 0644 |
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fib.h | File | 2.45 KB | 0644 |
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fib6.h | File | 1.82 KB | 0644 |
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filelock.h | File | 6.27 KB | 0644 |
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filemap.h | File | 2.74 KB | 0644 |
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fs.h | File | 946 B | 0644 |
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fs_dax.h | File | 8.26 KB | 0644 |
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fsi.h | File | 2.81 KB | 0644 |
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fsi_master_gpio.h | File | 1.54 KB | 0644 |
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gpio.h | File | 1.13 KB | 0644 |
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host1x.h | File | 5.77 KB | 0644 |
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hswadsp.h | File | 8.37 KB | 0644 |
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huge_memory.h | File | 4.33 KB | 0644 |
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i2c.h | File | 4.15 KB | 0644 |
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intel-sst.h | File | 2.51 KB | 0644 |
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intel_ish.h | File | 556 B | 0644 |
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iommu.h | File | 3.03 KB | 0644 |
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ipi.h | File | 1.88 KB | 0644 |
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irq.h | File | 3.8 KB | 0644 |
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irq_matrix.h | File | 4.94 KB | 0644 |
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jbd2.h | File | 9.79 KB | 0644 |
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kmem.h | File | 7.39 KB | 0644 |
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kvm.h | File | 9.03 KB | 0644 |
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libata.h | File | 11.57 KB | 0644 |
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lock.h | File | 1.7 KB | 0644 |
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mce.h | File | 1.85 KB | 0644 |
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mdio.h | File | 1.02 KB | 0644 |
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migrate.h | File | 2.42 KB | 0644 |
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mmc.h | File | 7.24 KB | 0644 |
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mmflags.h | File | 8.29 KB | 0644 |
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module.h | File | 2.78 KB | 0644 |
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napi.h | File | 1013 B | 0644 |
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net.h | File | 6.56 KB | 0644 |
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nilfs2.h | File | 5.2 KB | 0644 |
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nmi.h | File | 780 B | 0644 |
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oom.h | File | 3.88 KB | 0644 |
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page_isolation.h | File | 943 B | 0644 |
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page_ref.h | File | 2.99 KB | 0644 |
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pagemap.h | File | 2.14 KB | 0644 |
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percpu.h | File | 2.61 KB | 0644 |
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power.h | File | 11.35 KB | 0644 |
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power_cpu_migrate.h | File | 1.59 KB | 0644 |
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preemptirq.h | File | 1.95 KB | 0644 |
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printk.h | File | 786 B | 0644 |
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qdisc.h | File | 1.37 KB | 0644 |
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rcu.h | File | 24.64 KB | 0644 |
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regulator.h | File | 2.4 KB | 0644 |
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rpm.h | File | 2.34 KB | 0644 |
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rxrpc.h | File | 33.79 KB | 0644 |
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sched.h | File | 14.12 KB | 0644 |
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scsi.h | File | 12.32 KB | 0644 |
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signal.h | File | 3.43 KB | 0644 |
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skb.h | File | 1.38 KB | 0644 |
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smbus.h | File | 7.51 KB | 0644 |
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sock.h | File | 1.72 KB | 0644 |
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spi.h | File | 3.31 KB | 0644 |
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spmi.h | File | 3.24 KB | 0644 |
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sunrpc.h | File | 18.31 KB | 0644 |
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sunvnet.h | File | 3.06 KB | 0644 |
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swiotlb.h | File | 1.22 KB | 0644 |
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syscalls.h | File | 1.48 KB | 0644 |
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target.h | File | 7.52 KB | 0644 |
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task.h | File | 1.49 KB | 0644 |
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tcp.h | File | 6.57 KB | 0644 |
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thermal.h | File | 5.58 KB | 0644 |
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thermal_power_allocator.h | File | 3.22 KB | 0644 |
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thp.h | File | 2.09 KB | 0644 |
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timer.h | File | 9.58 KB | 0644 |
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tlb.h | File | 1.41 KB | 0644 |
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udp.h | File | 632 B | 0644 |
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ufs.h | File | 6.85 KB | 0644 |
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v4l2.h | File | 8.81 KB | 0644 |
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vb2.h | File | 1.73 KB | 0644 |
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vmscan.h | File | 12.47 KB | 0644 |
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vsock_virtio_transport_common.h | File | 3.49 KB | 0644 |
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wbt.h | File | 3.83 KB | 0644 |
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workqueue.h | File | 2.7 KB | 0644 |
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writeback.h | File | 19.81 KB | 0644 |
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xdp.h | File | 5.76 KB | 0644 |
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xen.h | File | 14.66 KB | 0644 |
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