mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 14:51:00 +07:00
b340a4d4aa
Add tracepoint to catch potential cases where a pending operation overlapping a reconnect could fail and incorrectly refund its credits causing the client to think it has more credits available than the server thinks it does. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
525 lines
13 KiB
C
525 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018, Microsoft Corporation.
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*
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* Author(s): Steve French <stfrench@microsoft.com>
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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 the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM cifs
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#if !defined(_CIFS_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _CIFS_TRACE_H
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#include <linux/tracepoint.h>
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/* For logging errors in read or write */
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DECLARE_EVENT_CLASS(smb3_rw_err_class,
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TP_PROTO(unsigned int xid,
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__u64 fid,
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__u32 tid,
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__u64 sesid,
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__u64 offset,
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__u32 len,
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int rc),
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TP_ARGS(xid, fid, tid, sesid, offset, len, rc),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u64, fid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(__u64, offset)
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__field(__u32, len)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->fid = fid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->offset = offset;
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__entry->len = len;
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__entry->rc = rc;
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),
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TP_printk("\txid=%u sid=0x%llx tid=0x%x fid=0x%llx offset=0x%llx len=0x%x rc=%d",
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__entry->xid, __entry->sesid, __entry->tid, __entry->fid,
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__entry->offset, __entry->len, __entry->rc)
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)
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#define DEFINE_SMB3_RW_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_rw_err_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u64 fid, \
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__u32 tid, \
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__u64 sesid, \
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__u64 offset, \
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__u32 len, \
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int rc), \
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TP_ARGS(xid, fid, tid, sesid, offset, len, rc))
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DEFINE_SMB3_RW_ERR_EVENT(write_err);
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DEFINE_SMB3_RW_ERR_EVENT(read_err);
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/* For logging successful read or write */
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DECLARE_EVENT_CLASS(smb3_rw_done_class,
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TP_PROTO(unsigned int xid,
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__u64 fid,
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__u32 tid,
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__u64 sesid,
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__u64 offset,
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__u32 len),
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TP_ARGS(xid, fid, tid, sesid, offset, len),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u64, fid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(__u64, offset)
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__field(__u32, len)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->fid = fid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->offset = offset;
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__entry->len = len;
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),
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TP_printk("xid=%u sid=0x%llx tid=0x%x fid=0x%llx offset=0x%llx len=0x%x",
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__entry->xid, __entry->sesid, __entry->tid, __entry->fid,
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__entry->offset, __entry->len)
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)
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#define DEFINE_SMB3_RW_DONE_EVENT(name) \
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DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u64 fid, \
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__u32 tid, \
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__u64 sesid, \
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__u64 offset, \
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__u32 len), \
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TP_ARGS(xid, fid, tid, sesid, offset, len))
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DEFINE_SMB3_RW_DONE_EVENT(write_done);
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DEFINE_SMB3_RW_DONE_EVENT(read_done);
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/*
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* For handle based calls other than read and write, and get/set info
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*/
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DECLARE_EVENT_CLASS(smb3_fd_err_class,
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TP_PROTO(unsigned int xid,
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__u64 fid,
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__u32 tid,
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__u64 sesid,
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int rc),
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TP_ARGS(xid, fid, tid, sesid, rc),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u64, fid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->fid = fid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->rc = rc;
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),
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TP_printk("\txid=%u sid=0x%llx tid=0x%x fid=0x%llx rc=%d",
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__entry->xid, __entry->sesid, __entry->tid, __entry->fid,
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__entry->rc)
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)
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#define DEFINE_SMB3_FD_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_fd_err_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u64 fid, \
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__u32 tid, \
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__u64 sesid, \
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int rc), \
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TP_ARGS(xid, fid, tid, sesid, rc))
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DEFINE_SMB3_FD_ERR_EVENT(flush_err);
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DEFINE_SMB3_FD_ERR_EVENT(lock_err);
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DEFINE_SMB3_FD_ERR_EVENT(close_err);
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/*
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* For handle based query/set info calls
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*/
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DECLARE_EVENT_CLASS(smb3_inf_err_class,
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TP_PROTO(unsigned int xid,
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__u64 fid,
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__u32 tid,
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__u64 sesid,
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__u8 infclass,
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__u32 type,
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int rc),
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TP_ARGS(xid, fid, tid, sesid, infclass, type, rc),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u64, fid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(__u8, infclass)
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__field(__u32, type)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->fid = fid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->infclass = infclass;
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__entry->type = type;
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__entry->rc = rc;
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),
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TP_printk("xid=%u sid=0x%llx tid=0x%x fid=0x%llx class=%u type=0x%x rc=%d",
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__entry->xid, __entry->sesid, __entry->tid, __entry->fid,
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__entry->infclass, __entry->type, __entry->rc)
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)
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#define DEFINE_SMB3_INF_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_inf_err_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u64 fid, \
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__u32 tid, \
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__u64 sesid, \
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__u8 infclass, \
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__u32 type, \
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int rc), \
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TP_ARGS(xid, fid, tid, sesid, infclass, type, rc))
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DEFINE_SMB3_INF_ERR_EVENT(query_info_err);
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DEFINE_SMB3_INF_ERR_EVENT(set_info_err);
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DEFINE_SMB3_INF_ERR_EVENT(fsctl_err);
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/*
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* For logging SMB3 Status code and Command for responses which return errors
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*/
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DECLARE_EVENT_CLASS(smb3_cmd_err_class,
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TP_PROTO(__u32 tid,
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__u64 sesid,
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__u16 cmd,
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__u64 mid,
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__u32 status,
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int rc),
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TP_ARGS(tid, sesid, cmd, mid, status, rc),
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TP_STRUCT__entry(
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(__u16, cmd)
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__field(__u64, mid)
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__field(__u32, status)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->cmd = cmd;
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__entry->mid = mid;
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__entry->status = status;
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__entry->rc = rc;
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),
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TP_printk("\tsid=0x%llx tid=0x%x cmd=%u mid=%llu status=0x%x rc=%d",
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__entry->sesid, __entry->tid, __entry->cmd, __entry->mid,
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__entry->status, __entry->rc)
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)
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#define DEFINE_SMB3_CMD_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_cmd_err_class, smb3_##name, \
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TP_PROTO(__u32 tid, \
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__u64 sesid, \
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__u16 cmd, \
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__u64 mid, \
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__u32 status, \
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int rc), \
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TP_ARGS(tid, sesid, cmd, mid, status, rc))
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DEFINE_SMB3_CMD_ERR_EVENT(cmd_err);
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DECLARE_EVENT_CLASS(smb3_cmd_done_class,
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TP_PROTO(__u32 tid,
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__u64 sesid,
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__u16 cmd,
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__u64 mid),
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TP_ARGS(tid, sesid, cmd, mid),
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TP_STRUCT__entry(
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(__u16, cmd)
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__field(__u64, mid)
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),
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TP_fast_assign(
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->cmd = cmd;
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__entry->mid = mid;
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),
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TP_printk("\tsid=0x%llx tid=0x%x cmd=%u mid=%llu",
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__entry->sesid, __entry->tid,
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__entry->cmd, __entry->mid)
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)
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#define DEFINE_SMB3_CMD_DONE_EVENT(name) \
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DEFINE_EVENT(smb3_cmd_done_class, smb3_##name, \
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TP_PROTO(__u32 tid, \
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__u64 sesid, \
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__u16 cmd, \
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__u64 mid), \
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TP_ARGS(tid, sesid, cmd, mid))
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DEFINE_SMB3_CMD_DONE_EVENT(cmd_done);
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DEFINE_SMB3_CMD_DONE_EVENT(ses_expired);
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DECLARE_EVENT_CLASS(smb3_mid_class,
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TP_PROTO(__u16 cmd,
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__u64 mid,
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__u32 pid,
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unsigned long when_sent,
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unsigned long when_received),
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TP_ARGS(cmd, mid, pid, when_sent, when_received),
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TP_STRUCT__entry(
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__field(__u16, cmd)
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__field(__u64, mid)
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__field(__u32, pid)
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__field(unsigned long, when_sent)
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__field(unsigned long, when_received)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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__entry->mid = mid;
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__entry->pid = pid;
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__entry->when_sent = when_sent;
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__entry->when_received = when_received;
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),
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TP_printk("\tcmd=%u mid=%llu pid=%u, when_sent=%lu when_rcv=%lu",
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__entry->cmd, __entry->mid, __entry->pid, __entry->when_sent,
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__entry->when_received)
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)
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#define DEFINE_SMB3_MID_EVENT(name) \
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DEFINE_EVENT(smb3_mid_class, smb3_##name, \
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TP_PROTO(__u16 cmd, \
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__u64 mid, \
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__u32 pid, \
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unsigned long when_sent, \
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unsigned long when_received), \
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TP_ARGS(cmd, mid, pid, when_sent, when_received))
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DEFINE_SMB3_MID_EVENT(slow_rsp);
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DECLARE_EVENT_CLASS(smb3_exit_err_class,
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TP_PROTO(unsigned int xid,
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const char *func_name,
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int rc),
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TP_ARGS(xid, func_name, rc),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(const char *, func_name)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->func_name = func_name;
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__entry->rc = rc;
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),
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TP_printk("\t%s: xid=%u rc=%d",
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__entry->func_name, __entry->xid, __entry->rc)
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)
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#define DEFINE_SMB3_EXIT_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_exit_err_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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const char *func_name, \
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int rc), \
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TP_ARGS(xid, func_name, rc))
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DEFINE_SMB3_EXIT_ERR_EVENT(exit_err);
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DECLARE_EVENT_CLASS(smb3_enter_exit_class,
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TP_PROTO(unsigned int xid,
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const char *func_name),
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TP_ARGS(xid, func_name),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(const char *, func_name)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->func_name = func_name;
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),
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TP_printk("\t%s: xid=%u",
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__entry->func_name, __entry->xid)
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)
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#define DEFINE_SMB3_ENTER_EXIT_EVENT(name) \
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DEFINE_EVENT(smb3_enter_exit_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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const char *func_name), \
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TP_ARGS(xid, func_name))
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DEFINE_SMB3_ENTER_EXIT_EVENT(enter);
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DEFINE_SMB3_ENTER_EXIT_EVENT(exit_done);
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/*
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* For smb2/smb3 open call
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*/
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DECLARE_EVENT_CLASS(smb3_open_err_class,
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TP_PROTO(unsigned int xid,
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__u32 tid,
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__u64 sesid,
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int create_options,
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int desired_access,
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int rc),
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TP_ARGS(xid, tid, sesid, create_options, desired_access, rc),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(int, create_options)
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__field(int, desired_access)
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__field(int, rc)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->create_options = create_options;
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__entry->desired_access = desired_access;
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__entry->rc = rc;
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),
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TP_printk("xid=%u sid=0x%llx tid=0x%x cr_opts=0x%x des_access=0x%x rc=%d",
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__entry->xid, __entry->sesid, __entry->tid,
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__entry->create_options, __entry->desired_access, __entry->rc)
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)
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#define DEFINE_SMB3_OPEN_ERR_EVENT(name) \
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DEFINE_EVENT(smb3_open_err_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u32 tid, \
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__u64 sesid, \
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int create_options, \
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int desired_access, \
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int rc), \
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TP_ARGS(xid, tid, sesid, create_options, desired_access, rc))
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DEFINE_SMB3_OPEN_ERR_EVENT(open_err);
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DEFINE_SMB3_OPEN_ERR_EVENT(posix_mkdir_err);
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DECLARE_EVENT_CLASS(smb3_open_done_class,
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TP_PROTO(unsigned int xid,
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__u64 fid,
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__u32 tid,
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__u64 sesid,
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int create_options,
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int desired_access),
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TP_ARGS(xid, fid, tid, sesid, create_options, desired_access),
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TP_STRUCT__entry(
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__field(unsigned int, xid)
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__field(__u64, fid)
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__field(__u32, tid)
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__field(__u64, sesid)
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__field(int, create_options)
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__field(int, desired_access)
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),
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TP_fast_assign(
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__entry->xid = xid;
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__entry->fid = fid;
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__entry->tid = tid;
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__entry->sesid = sesid;
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__entry->create_options = create_options;
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__entry->desired_access = desired_access;
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),
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TP_printk("xid=%u sid=0x%llx tid=0x%x fid=0x%llx cr_opts=0x%x des_access=0x%x",
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__entry->xid, __entry->sesid, __entry->tid, __entry->fid,
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__entry->create_options, __entry->desired_access)
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)
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#define DEFINE_SMB3_OPEN_DONE_EVENT(name) \
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DEFINE_EVENT(smb3_open_done_class, smb3_##name, \
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TP_PROTO(unsigned int xid, \
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__u64 fid, \
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__u32 tid, \
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__u64 sesid, \
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int create_options, \
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int desired_access), \
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TP_ARGS(xid, fid, tid, sesid, create_options, desired_access))
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DEFINE_SMB3_OPEN_DONE_EVENT(open_done);
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DEFINE_SMB3_OPEN_DONE_EVENT(posix_mkdir_done);
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DECLARE_EVENT_CLASS(smb3_reconnect_class,
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TP_PROTO(__u64 currmid,
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char *hostname),
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TP_ARGS(currmid, hostname),
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TP_STRUCT__entry(
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__field(__u64, currmid)
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__field(char *, hostname)
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),
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TP_fast_assign(
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__entry->currmid = currmid;
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__entry->hostname = hostname;
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),
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TP_printk("server=%s current_mid=0x%llx",
|
|
__entry->hostname,
|
|
__entry->currmid)
|
|
)
|
|
|
|
#define DEFINE_SMB3_RECONNECT_EVENT(name) \
|
|
DEFINE_EVENT(smb3_reconnect_class, smb3_##name, \
|
|
TP_PROTO(__u64 currmid, \
|
|
char *hostname), \
|
|
TP_ARGS(currmid, hostname))
|
|
|
|
DEFINE_SMB3_RECONNECT_EVENT(reconnect);
|
|
DEFINE_SMB3_RECONNECT_EVENT(partial_send_reconnect);
|
|
|
|
DECLARE_EVENT_CLASS(smb3_credit_class,
|
|
TP_PROTO(__u64 currmid,
|
|
char *hostname,
|
|
int credits),
|
|
TP_ARGS(currmid, hostname, credits),
|
|
TP_STRUCT__entry(
|
|
__field(__u64, currmid)
|
|
__field(char *, hostname)
|
|
__field(int, credits)
|
|
),
|
|
TP_fast_assign(
|
|
__entry->currmid = currmid;
|
|
__entry->hostname = hostname;
|
|
__entry->credits = credits;
|
|
),
|
|
TP_printk("server=%s current_mid=0x%llx credits=%d",
|
|
__entry->hostname,
|
|
__entry->currmid,
|
|
__entry->credits)
|
|
)
|
|
|
|
#define DEFINE_SMB3_CREDIT_EVENT(name) \
|
|
DEFINE_EVENT(smb3_credit_class, smb3_##name, \
|
|
TP_PROTO(__u64 currmid, \
|
|
char *hostname, \
|
|
int credits), \
|
|
TP_ARGS(currmid, hostname, credits))
|
|
|
|
DEFINE_SMB3_CREDIT_EVENT(reconnect_with_invalid_credits);
|
|
|
|
#endif /* _CIFS_TRACE_H */
|
|
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH .
|
|
#define TRACE_INCLUDE_FILE trace
|
|
#include <trace/define_trace.h>
|