cregit-Linux how code gets into the kernel

Release 4.11 drivers/infiniband/hw/hfi1/trace_ctxts.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_CTXTS_H) || defined(TRACE_HEADER_MULTI_READ)

#define __HFI1_TRACE_CTXTS_H

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

#include "hfi.h"


#undef TRACE_SYSTEM

#define TRACE_SYSTEM hfi1_ctxts


#define UCTXT_FMT \
	"cred:%u, credaddr:0x%llx, piobase:0x%p, rcvhdr_cnt:%u, "       \
        "rcvbase:0x%llx, rcvegrc:%u, rcvegrb:0x%llx"
TRACE_EVENT(hfi1_uctxtdata,
	    TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ctxtdata *uctxt),
	    TP_ARGS(dd, uctxt),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
                             __field(unsigned int, ctxt)
                             __field(u32, credits)
                             __field(u64, hw_free)
                             __field(void __iomem *, piobase)
                             __field(u16, rcvhdrq_cnt)
                             __field(u64, rcvhdrq_dma)
                             __field(u32, eager_cnt)
                             __field(u64, rcvegr_dma)
                             ),
	    TP_fast_assign(DD_DEV_ASSIGN(dd);
                           __entry->ctxt = uctxt->ctxt;
                           __entry->credits = uctxt->sc->credits;
                           __entry->hw_free = le64_to_cpu(*uctxt->sc->hw_free);
                           __entry->piobase = uctxt->sc->base_addr;
                           __entry->rcvhdrq_cnt = uctxt->rcvhdrq_cnt;
                           __entry->rcvhdrq_dma = uctxt->rcvhdrq_dma;
                           __entry->eager_cnt = uctxt->egrbufs.alloced;
                           __entry->rcvegr_dma = uctxt->egrbufs.rcvtids[0].dma;
                           ),
	    TP_printk("[%s] ctxt %u " UCTXT_FMT,
                      __get_str(dev),
                      __entry->ctxt,
                      __entry->credits,
                      __entry->hw_free,
                      __entry->piobase,
                      __entry->rcvhdrq_cnt,
                      __entry->rcvhdrq_dma,
                      __entry->eager_cnt,
                      __entry->rcvegr_dma
                      )
);


#define CINFO_FMT \
	"egrtids:%u, egr_size:%u, hdrq_cnt:%u, hdrq_size:%u, sdma_ring_size:%u"
TRACE_EVENT(hfi1_ctxt_info,
	    TP_PROTO(struct hfi1_devdata *dd, unsigned int ctxt,
                     unsigned int subctxt,
                     struct hfi1_ctxt_info cinfo),
	    TP_ARGS(dd, ctxt, subctxt, cinfo),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
                             __field(unsigned int, ctxt)
                             __field(unsigned int, subctxt)
                             __field(u16, egrtids)
                             __field(u16, rcvhdrq_cnt)
                             __field(u16, rcvhdrq_size)
                             __field(u16, sdma_ring_size)
                             __field(u32, rcvegr_size)
                             ),
	    TP_fast_assign(DD_DEV_ASSIGN(dd);
                            __entry->ctxt = ctxt;
                            __entry->subctxt = subctxt;
                            __entry->egrtids = cinfo.egrtids;
                            __entry->rcvhdrq_cnt = cinfo.rcvhdrq_cnt;
                            __entry->rcvhdrq_size = cinfo.rcvhdrq_entsize;
                            __entry->sdma_ring_size = cinfo.sdma_ring_size;
                            __entry->rcvegr_size = cinfo.rcvegr_size;
                            ),
	    TP_printk("[%s] ctxt %u:%u " CINFO_FMT,
                      __get_str(dev),
                      __entry->ctxt,
                      __entry->subctxt,
                      __entry->egrtids,
                      __entry->rcvegr_size,
                      __entry->rcvhdrq_cnt,
                      __entry->rcvhdrq_size,
                      __entry->sdma_ring_size
                      )
);

#endif /* __HFI1_TRACE_CTXTS_H */


#undef TRACE_INCLUDE_PATH

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_PATH .

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

Overall Contributors

PersonTokensPropCommitsCommitProp
Sebastian Sanchez9394.90%133.33%
Tymoteusz Kielan44.08%133.33%
Mike Marciniszyn11.02%133.33%
Total98100.00%3100.00%
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