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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ddb8876589
This fix changes the opcode relative counters for receive to per context. Profiling has shown that when mulitple contexts are being used there is a lot of cache activity associated with these counters. The code formerly kept these counters per port, but only provided the interface to read per HCA. This patch converts the read of counters to per HCA and adds the debugfs hooks to be able to read the file as a sequence of opcodes. Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
#ifndef _QIB_DEBUGFS_H
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#define _QIB_DEBUGFS_H
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#ifdef CONFIG_DEBUG_FS
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/*
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* Copyright (c) 2013 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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struct qib_ibdev;
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void qib_dbg_ibdev_init(struct qib_ibdev *ibd);
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void qib_dbg_ibdev_exit(struct qib_ibdev *ibd);
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void qib_dbg_init(void);
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void qib_dbg_exit(void);
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#endif
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#endif /* _QIB_DEBUGFS_H */
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