cregit-Linux how code gets into the kernel

Release 4.11 drivers/infiniband/hw/hfi1/trace_rx.h

/*
 * Copyright(c) 2015, 2016 Intel Corporation.
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * BSD LICENSE
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  - Neither the name of Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#if !defined(__HFI1_TRACE_RX_H) || defined(TRACE_HEADER_MULTI_READ)

#define __HFI1_TRACE_RX_H

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

#include "hfi.h"


#undef TRACE_SYSTEM

#define TRACE_SYSTEM hfi1_rx

TRACE_EVENT(hfi1_rcvhdr,
	    TP_PROTO(struct hfi1_devdata *dd,
                     u32 ctxt,
                     u64 eflags,
                     u32 etype,
                     u32 hlen,
                     u32 tlen,
                     u32 updegr,
                     u32 etail
                    ),
	    TP_ARGS(dd, ctxt, eflags, etype, hlen, tlen, updegr, etail),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
                             __field(u64, eflags)
                             __field(u32, ctxt)
                             __field(u32, etype)
                             __field(u32, hlen)
                             __field(u32, tlen)
                             __field(u32, updegr)
                             __field(u32, etail)
                             ),
	     TP_fast_assign(DD_DEV_ASSIGN(dd);
                            __entry->eflags = eflags;
                            __entry->ctxt = ctxt;
                            __entry->etype = etype;
                            __entry->hlen = hlen;
                            __entry->tlen = tlen;
                            __entry->updegr = updegr;
                            __entry->etail = etail;
                            ),
	     TP_printk(
		"[%s] ctxt %d eflags 0x%llx etype %d,%s hlen %d tlen %d updegr %d etail %d",
                __get_str(dev),
                __entry->ctxt,
                __entry->eflags,
                __entry->etype, show_packettype(__entry->etype),
                __entry->hlen,
                __entry->tlen,
                __entry->updegr,
                __entry->etail
                )
);

TRACE_EVENT(hfi1_receive_interrupt,
	    TP_PROTO(struct hfi1_devdata *dd, u32 ctxt),
	    TP_ARGS(dd, ctxt),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
                             __field(u32, ctxt)
                             __field(u8, slow_path)
                             __field(u8, dma_rtail)
                             ),
	    TP_fast_assign(DD_DEV_ASSIGN(dd);
                        __entry->ctxt = ctxt;
                        if (dd->rcd[ctxt]->do_interrupt ==
                            &handle_receive_interrupt) {
                                __entry->slow_path = 1;
                                __entry->dma_rtail = 0xFF;
                        } else if (dd->rcd[ctxt]->do_interrupt ==
                                        &handle_receive_interrupt_dma_rtail){
                                __entry->dma_rtail = 1;
                                __entry->slow_path = 0;
                        } else if (dd->rcd[ctxt]->do_interrupt ==
                                        &handle_receive_interrupt_nodma_rtail) {
                                __entry->dma_rtail = 0;
                                __entry->slow_path = 0;
                        }
                        ),
	    TP_printk("[%s] ctxt %d SlowPath: %d DmaRtail: %d",
                      __get_str(dev),
                      __entry->ctxt,
                      __entry->slow_path,
                      __entry->dma_rtail
                      )
);

TRACE_EVENT(hfi1_exp_tid_reg,
	    TP_PROTO(unsigned int ctxt, u16 subctxt, u32 rarr,
                     u32 npages, unsigned long va, unsigned long pa,
                     dma_addr_t dma),
	    TP_ARGS(ctxt, subctxt, rarr, npages, va, pa, dma),
	    TP_STRUCT__entry(
                             __field(unsigned int, ctxt)
                             __field(u16, subctxt)
                             __field(u32, rarr)
                             __field(u32, npages)
                             __field(unsigned long, va)
                             __field(unsigned long, pa)
                             __field(dma_addr_t, dma)
                             ),
	    TP_fast_assign(
                           __entry->ctxt = ctxt;
                           __entry->subctxt = subctxt;
                           __entry->rarr = rarr;
                           __entry->npages = npages;
                           __entry->va = va;
                           __entry->pa = pa;
                           __entry->dma = dma;
                           ),
	    TP_printk("[%u:%u] entry:%u, %u pages @ 0x%lx, va:0x%lx dma:0x%llx",
                      __entry->ctxt,
                      __entry->subctxt,
                      __entry->rarr,
                      __entry->npages,
                      __entry->pa,
                      __entry->va,
                      __entry->dma
                      )
	);

TRACE_EVENT(hfi1_exp_tid_unreg,
	    TP_PROTO(unsigned int ctxt, u16 subctxt, u32 rarr, u32 npages,
                     unsigned long va, unsigned long pa, dma_addr_t dma),
	    TP_ARGS(ctxt, subctxt, rarr, npages, va, pa, dma),
	    TP_STRUCT__entry(
                             __field(unsigned int, ctxt)
                             __field(u16, subctxt)
                             __field(u32, rarr)
                             __field(u32, npages)
                             __field(unsigned long, va)
                             __field(unsigned long, pa)
                             __field(dma_addr_t, dma)
                             ),
	    TP_fast_assign(
                           __entry->ctxt = ctxt;
                           __entry->subctxt = subctxt;
                           __entry->rarr = rarr;
                           __entry->npages = npages;
                           __entry->va = va;
                           __entry->pa = pa;
                           __entry->dma = dma;
                           ),
	    TP_printk("[%u:%u] entry:%u, %u pages @ 0x%lx, va:0x%lx dma:0x%llx",
                      __entry->ctxt,
                      __entry->subctxt,
                      __entry->rarr,
                      __entry->npages,
                      __entry->pa,
                      __entry->va,
                      __entry->dma
                      )
	);

TRACE_EVENT(hfi1_exp_tid_inval,
	    TP_PROTO(unsigned int ctxt, u16 subctxt, unsigned long va, u32 rarr,
                     u32 npages, dma_addr_t dma),
	    TP_ARGS(ctxt, subctxt, va, rarr, npages, dma),
	    TP_STRUCT__entry(
                             __field(unsigned int, ctxt)
                             __field(u16, subctxt)
                             __field(unsigned long, va)
                             __field(u32, rarr)
                             __field(u32, npages)
                             __field(dma_addr_t, dma)
                             ),
	    TP_fast_assign(
                           __entry->ctxt = ctxt;
                           __entry->subctxt = subctxt;
                           __entry->va = va;
                           __entry->rarr = rarr;
                           __entry->npages = npages;
                           __entry->dma = dma;
                          ),
	    TP_printk("[%u:%u] entry:%u, %u pages @ 0x%lx dma: 0x%llx",
                      __entry->ctxt,
                      __entry->subctxt,
                      __entry->rarr,
                      __entry->npages,
                      __entry->va,
                      __entry->dma
                      )
	    );

TRACE_EVENT(hfi1_mmu_invalidate,
	    TP_PROTO(unsigned int ctxt, u16 subctxt, const char *type,
                     unsigned long start, unsigned long end),
	    TP_ARGS(ctxt, subctxt, type, start, end),
	    TP_STRUCT__entry(
                             __field(unsigned int, ctxt)
                             __field(u16, subctxt)
                             __string(type, type)
                             __field(unsigned long, start)
                             __field(unsigned long, end)
                             ),
	    TP_fast_assign(
                        __entry->ctxt = ctxt;
                        __entry->subctxt = subctxt;
                        __assign_str(type, type);
                        __entry->start = start;
                        __entry->end = end;
            ),
	    TP_printk("[%3u:%02u] MMU Invalidate (%s) 0x%lx - 0x%lx",
                      __entry->ctxt,
                      __entry->subctxt,
                      __get_str(type),
                      __entry->start,
                      __entry->end
                      )
	    );

#endif /* __HFI1_TRACE_RX_H */


#undef TRACE_INCLUDE_PATH

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_PATH .

#define TRACE_INCLUDE_FILE trace_rx
#include <trace/define_trace.h>

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Sebastian Sanchez166100.00%1100.00%
Total166100.00%1100.00%
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