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156 lines
4.9 KiB
156 lines
4.9 KiB
/* |
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* Copyright(c) 2015 - 2018 Intel Corporation. |
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* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* - Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#if !defined(__HFI1_TRACE_EXTRA_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define __HFI1_TRACE_EXTRA_H |
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#include <linux/tracepoint.h> |
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#include <linux/trace_seq.h> |
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#include "hfi.h" |
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/* |
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* Note: |
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* This produces a REALLY ugly trace in the console output when the string is |
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* too long. |
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*/ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM hfi1_dbg |
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#define MAX_MSG_LEN 512 |
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DECLARE_EVENT_CLASS(hfi1_trace_template, |
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TP_PROTO(const char *function, struct va_format *vaf), |
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TP_ARGS(function, vaf), |
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TP_STRUCT__entry(__string(function, function) |
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__dynamic_array(char, msg, MAX_MSG_LEN) |
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), |
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TP_fast_assign(__assign_str(function, function); |
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WARN_ON_ONCE(vsnprintf |
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(__get_dynamic_array(msg), |
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MAX_MSG_LEN, vaf->fmt, |
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*vaf->va) >= |
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MAX_MSG_LEN); |
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), |
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TP_printk("(%s) %s", |
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__get_str(function), |
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__get_str(msg)) |
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); |
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/* |
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* It may be nice to macroize the __hfi1_trace but the va_* stuff requires an |
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* actual function to work and can not be in a macro. |
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*/ |
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#define __hfi1_trace_def(lvl) \ |
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void __printf(2, 3) __hfi1_trace_##lvl(const char *funct, char *fmt, ...); \ |
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\ |
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DEFINE_EVENT(hfi1_trace_template, hfi1_ ##lvl, \ |
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TP_PROTO(const char *function, struct va_format *vaf), \ |
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TP_ARGS(function, vaf)) |
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#define __hfi1_trace_fn(lvl) \ |
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void __printf(2, 3) __hfi1_trace_##lvl(const char *func, char *fmt, ...)\ |
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{ \ |
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struct va_format vaf = { \ |
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.fmt = fmt, \ |
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}; \ |
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va_list args; \ |
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\ |
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va_start(args, fmt); \ |
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vaf.va = &args; \ |
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trace_hfi1_ ##lvl(func, &vaf); \ |
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va_end(args); \ |
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return; \ |
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} |
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/* |
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* To create a new trace level simply define it below and as a __hfi1_trace_fn |
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* in trace.c. This will create all the hooks for calling |
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* hfi1_cdbg(LVL, fmt, ...); as well as take care of all |
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* the debugfs stuff. |
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*/ |
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__hfi1_trace_def(AFFINITY); |
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__hfi1_trace_def(PKT); |
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__hfi1_trace_def(PROC); |
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__hfi1_trace_def(SDMA); |
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__hfi1_trace_def(LINKVERB); |
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__hfi1_trace_def(DEBUG); |
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__hfi1_trace_def(SNOOP); |
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__hfi1_trace_def(CNTR); |
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__hfi1_trace_def(PIO); |
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__hfi1_trace_def(DC8051); |
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__hfi1_trace_def(FIRMWARE); |
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__hfi1_trace_def(RCVCTRL); |
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__hfi1_trace_def(TID); |
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__hfi1_trace_def(MMU); |
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__hfi1_trace_def(IOCTL); |
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#define hfi1_cdbg(which, fmt, ...) \ |
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__hfi1_trace_##which(__func__, fmt, ##__VA_ARGS__) |
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#define hfi1_dbg(fmt, ...) \ |
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hfi1_cdbg(DEBUG, fmt, ##__VA_ARGS__) |
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/* |
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* Define HFI1_EARLY_DBG at compile time or here to enable early trace |
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* messages. Do not check in an enablement for this. |
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*/ |
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#ifdef HFI1_EARLY_DBG |
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#define hfi1_dbg_early(fmt, ...) \ |
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trace_printk(fmt, ##__VA_ARGS__) |
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#else |
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#define hfi1_dbg_early(fmt, ...) |
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#endif |
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#endif /* __HFI1_TRACE_EXTRA_H */ |
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#undef TRACE_INCLUDE_PATH |
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#undef TRACE_INCLUDE_FILE |
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#define TRACE_INCLUDE_PATH . |
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#define TRACE_INCLUDE_FILE trace_dbg |
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#include <trace/define_trace.h>
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