478 lines
13 KiB
C
478 lines
13 KiB
C
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/* AFS tracepoints
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*
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* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM afs
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#if !defined(_TRACE_AFS_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_AFS_H
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#include <linux/tracepoint.h>
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/*
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* Define enums for tracing information.
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*/
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#ifndef __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
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#define __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
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enum afs_call_trace {
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afs_call_trace_alloc,
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afs_call_trace_free,
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afs_call_trace_put,
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afs_call_trace_wake,
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afs_call_trace_work,
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};
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enum afs_fs_operation {
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afs_FS_FetchData = 130, /* AFS Fetch file data */
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afs_FS_FetchStatus = 132, /* AFS Fetch file status */
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afs_FS_StoreData = 133, /* AFS Store file data */
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afs_FS_StoreStatus = 135, /* AFS Store file status */
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afs_FS_RemoveFile = 136, /* AFS Remove a file */
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afs_FS_CreateFile = 137, /* AFS Create a file */
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afs_FS_Rename = 138, /* AFS Rename or move a file or directory */
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afs_FS_Symlink = 139, /* AFS Create a symbolic link */
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afs_FS_Link = 140, /* AFS Create a hard link */
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afs_FS_MakeDir = 141, /* AFS Create a directory */
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afs_FS_RemoveDir = 142, /* AFS Remove a directory */
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afs_FS_GetVolumeInfo = 148, /* AFS Get information about a volume */
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afs_FS_GetVolumeStatus = 149, /* AFS Get volume status information */
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afs_FS_GetRootVolume = 151, /* AFS Get root volume name */
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afs_FS_SetLock = 156, /* AFS Request a file lock */
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afs_FS_ExtendLock = 157, /* AFS Extend a file lock */
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afs_FS_ReleaseLock = 158, /* AFS Release a file lock */
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afs_FS_Lookup = 161, /* AFS lookup file in directory */
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afs_FS_FetchData64 = 65537, /* AFS Fetch file data */
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afs_FS_StoreData64 = 65538, /* AFS Store file data */
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afs_FS_GiveUpAllCallBacks = 65539, /* AFS Give up all our callbacks on a server */
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afs_FS_GetCapabilities = 65540, /* AFS Get FS server capabilities */
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};
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enum afs_vl_operation {
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afs_VL_GetEntryByNameU = 527, /* AFS Get Vol Entry By Name operation ID */
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afs_VL_GetAddrsU = 533, /* AFS Get FS server addresses */
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afs_YFSVL_GetEndpoints = 64002, /* YFS Get FS & Vol server addresses */
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afs_VL_GetCapabilities = 65537, /* AFS Get VL server capabilities */
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};
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#endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */
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/*
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* Declare tracing information enums and their string mappings for display.
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*/
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#define afs_call_traces \
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EM(afs_call_trace_alloc, "ALLOC") \
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EM(afs_call_trace_free, "FREE ") \
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EM(afs_call_trace_put, "PUT ") \
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EM(afs_call_trace_wake, "WAKE ") \
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E_(afs_call_trace_work, "WORK ")
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#define afs_fs_operations \
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EM(afs_FS_FetchData, "FS.FetchData") \
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EM(afs_FS_FetchStatus, "FS.FetchStatus") \
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EM(afs_FS_StoreData, "FS.StoreData") \
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EM(afs_FS_StoreStatus, "FS.StoreStatus") \
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EM(afs_FS_RemoveFile, "FS.RemoveFile") \
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EM(afs_FS_CreateFile, "FS.CreateFile") \
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EM(afs_FS_Rename, "FS.Rename") \
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EM(afs_FS_Symlink, "FS.Symlink") \
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EM(afs_FS_Link, "FS.Link") \
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EM(afs_FS_MakeDir, "FS.MakeDir") \
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EM(afs_FS_RemoveDir, "FS.RemoveDir") \
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EM(afs_FS_GetVolumeInfo, "FS.GetVolumeInfo") \
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EM(afs_FS_GetVolumeStatus, "FS.GetVolumeStatus") \
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EM(afs_FS_GetRootVolume, "FS.GetRootVolume") \
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EM(afs_FS_SetLock, "FS.SetLock") \
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EM(afs_FS_ExtendLock, "FS.ExtendLock") \
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EM(afs_FS_ReleaseLock, "FS.ReleaseLock") \
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EM(afs_FS_Lookup, "FS.Lookup") \
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EM(afs_FS_FetchData64, "FS.FetchData64") \
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EM(afs_FS_StoreData64, "FS.StoreData64") \
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EM(afs_FS_GiveUpAllCallBacks, "FS.GiveUpAllCallBacks") \
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E_(afs_FS_GetCapabilities, "FS.GetCapabilities")
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#define afs_vl_operations \
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EM(afs_VL_GetEntryByNameU, "VL.GetEntryByNameU") \
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EM(afs_VL_GetAddrsU, "VL.GetAddrsU") \
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EM(afs_YFSVL_GetEndpoints, "YFSVL.GetEndpoints") \
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E_(afs_VL_GetCapabilities, "VL.GetCapabilities")
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/*
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* Export enum symbols via userspace.
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*/
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#undef EM
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#undef E_
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#define EM(a, b) TRACE_DEFINE_ENUM(a);
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#define E_(a, b) TRACE_DEFINE_ENUM(a);
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afs_call_traces;
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afs_fs_operations;
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afs_vl_operations;
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/*
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* Now redefine the EM() and E_() macros to map the enums to the strings that
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* will be printed in the output.
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*/
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#undef EM
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#undef E_
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#define EM(a, b) { a, b },
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#define E_(a, b) { a, b }
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TRACE_EVENT(afs_recv_data,
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TP_PROTO(struct afs_call *call, unsigned count, unsigned offset,
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bool want_more, int ret),
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TP_ARGS(call, count, offset, want_more, ret),
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TP_STRUCT__entry(
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__field(struct rxrpc_call *, rxcall )
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__field(struct afs_call *, call )
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__field(enum afs_call_state, state )
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__field(unsigned int, count )
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__field(unsigned int, offset )
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__field(unsigned short, unmarshall )
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__field(bool, want_more )
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__field(int, ret )
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),
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TP_fast_assign(
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__entry->rxcall = call->rxcall;
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__entry->call = call;
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__entry->state = call->state;
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__entry->unmarshall = call->unmarshall;
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__entry->count = count;
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__entry->offset = offset;
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__entry->want_more = want_more;
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__entry->ret = ret;
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),
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TP_printk("c=%p ac=%p s=%u u=%u %u/%u wm=%u ret=%d",
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__entry->rxcall,
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__entry->call,
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__entry->state, __entry->unmarshall,
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__entry->offset, __entry->count,
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__entry->want_more, __entry->ret)
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);
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TRACE_EVENT(afs_notify_call,
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TP_PROTO(struct rxrpc_call *rxcall, struct afs_call *call),
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TP_ARGS(rxcall, call),
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TP_STRUCT__entry(
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__field(struct rxrpc_call *, rxcall )
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__field(struct afs_call *, call )
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__field(enum afs_call_state, state )
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__field(unsigned short, unmarshall )
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),
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TP_fast_assign(
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__entry->rxcall = rxcall;
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__entry->call = call;
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__entry->state = call->state;
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__entry->unmarshall = call->unmarshall;
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),
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TP_printk("c=%p ac=%p s=%u u=%u",
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__entry->rxcall,
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__entry->call,
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__entry->state, __entry->unmarshall)
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);
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TRACE_EVENT(afs_cb_call,
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TP_PROTO(struct afs_call *call),
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TP_ARGS(call),
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TP_STRUCT__entry(
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__field(struct rxrpc_call *, rxcall )
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__field(struct afs_call *, call )
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__field(const char *, name )
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__field(u32, op )
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),
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TP_fast_assign(
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__entry->rxcall = call->rxcall;
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__entry->call = call;
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__entry->name = call->type->name;
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__entry->op = call->operation_ID;
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),
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TP_printk("c=%p ac=%p %s o=%u",
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__entry->rxcall,
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__entry->call,
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__entry->name,
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__entry->op)
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);
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TRACE_EVENT(afs_call,
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TP_PROTO(struct afs_call *call, enum afs_call_trace op,
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int usage, int outstanding, const void *where),
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TP_ARGS(call, op, usage, outstanding, where),
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TP_STRUCT__entry(
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__field(struct afs_call *, call )
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__field(int, op )
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__field(int, usage )
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__field(int, outstanding )
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__field(const void *, where )
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),
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TP_fast_assign(
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__entry->call = call;
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__entry->op = op;
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__entry->usage = usage;
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__entry->outstanding = outstanding;
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__entry->where = where;
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),
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TP_printk("c=%p %s u=%d o=%d sp=%pSR",
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__entry->call,
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__print_symbolic(__entry->op, afs_call_traces),
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__entry->usage,
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__entry->outstanding,
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__entry->where)
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);
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TRACE_EVENT(afs_make_fs_call,
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TP_PROTO(struct afs_call *call, const struct afs_fid *fid),
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TP_ARGS(call, fid),
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TP_STRUCT__entry(
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__field(struct afs_call *, call )
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__field(enum afs_fs_operation, op )
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__field_struct(struct afs_fid, fid )
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),
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TP_fast_assign(
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__entry->call = call;
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__entry->op = call->operation_ID;
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if (fid) {
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__entry->fid = *fid;
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} else {
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__entry->fid.vid = 0;
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__entry->fid.vnode = 0;
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__entry->fid.unique = 0;
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}
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),
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TP_printk("c=%p %06x:%06x:%06x %s",
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__entry->call,
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__entry->fid.vid,
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__entry->fid.vnode,
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__entry->fid.unique,
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__print_symbolic(__entry->op, afs_fs_operations))
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);
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TRACE_EVENT(afs_make_vl_call,
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TP_PROTO(struct afs_call *call),
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TP_ARGS(call),
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TP_STRUCT__entry(
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__field(struct afs_call *, call )
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__field(enum afs_vl_operation, op )
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),
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TP_fast_assign(
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__entry->call = call;
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__entry->op = call->operation_ID;
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),
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TP_printk("c=%p %s",
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__entry->call,
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__print_symbolic(__entry->op, afs_vl_operations))
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);
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TRACE_EVENT(afs_call_done,
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TP_PROTO(struct afs_call *call),
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TP_ARGS(call),
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TP_STRUCT__entry(
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__field(struct afs_call *, call )
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__field(struct rxrpc_call *, rx_call )
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__field(int, ret )
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__field(u32, abort_code )
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),
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TP_fast_assign(
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__entry->call = call;
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__entry->rx_call = call->rxcall;
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__entry->ret = call->error;
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__entry->abort_code = call->abort_code;
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),
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TP_printk(" c=%p ret=%d ab=%d [%p]",
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__entry->call,
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__entry->ret,
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__entry->abort_code,
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__entry->rx_call)
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);
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TRACE_EVENT(afs_send_pages,
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TP_PROTO(struct afs_call *call, struct msghdr *msg,
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pgoff_t first, pgoff_t last, unsigned int offset),
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TP_ARGS(call, msg, first, last, offset),
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TP_STRUCT__entry(
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__field(struct afs_call *, call )
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__field(pgoff_t, first )
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__field(pgoff_t, last )
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__field(unsigned int, nr )
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__field(unsigned int, bytes )
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__field(unsigned int, offset )
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__field(unsigned int, flags )
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),
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TP_fast_assign(
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__entry->call = call;
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__entry->first = first;
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__entry->last = last;
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__entry->nr = msg->msg_iter.nr_segs;
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__entry->bytes = msg->msg_iter.count;
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__entry->offset = offset;
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__entry->flags = msg->msg_flags;
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),
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TP_printk(" c=%p %lx-%lx-%lx b=%x o=%x f=%x",
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__entry->call,
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__entry->first, __entry->first + __entry->nr - 1, __entry->last,
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__entry->bytes, __entry->offset,
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__entry->flags)
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);
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TRACE_EVENT(afs_sent_pages,
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TP_PROTO(struct afs_call *call, pgoff_t first, pgoff_t last,
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pgoff_t cursor, int ret),
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TP_ARGS(call, first, last, cursor, ret),
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|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__field(struct afs_call *, call )
|
||
|
|
__field(pgoff_t, first )
|
||
|
|
__field(pgoff_t, last )
|
||
|
|
__field(pgoff_t, cursor )
|
||
|
|
__field(int, ret )
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_fast_assign(
|
||
|
|
__entry->call = call;
|
||
|
|
__entry->first = first;
|
||
|
|
__entry->last = last;
|
||
|
|
__entry->cursor = cursor;
|
||
|
|
__entry->ret = ret;
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_printk(" c=%p %lx-%lx c=%lx r=%d",
|
||
|
|
__entry->call,
|
||
|
|
__entry->first, __entry->last,
|
||
|
|
__entry->cursor, __entry->ret)
|
||
|
|
);
|
||
|
|
|
||
|
|
TRACE_EVENT(afs_dir_check_failed,
|
||
|
|
TP_PROTO(struct afs_vnode *vnode, loff_t off, loff_t i_size),
|
||
|
|
|
||
|
|
TP_ARGS(vnode, off, i_size),
|
||
|
|
|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__field(struct afs_vnode *, vnode )
|
||
|
|
__field(loff_t, off )
|
||
|
|
__field(loff_t, i_size )
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_fast_assign(
|
||
|
|
__entry->vnode = vnode;
|
||
|
|
__entry->off = off;
|
||
|
|
__entry->i_size = i_size;
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_printk("vn=%p %llx/%llx",
|
||
|
|
__entry->vnode, __entry->off, __entry->i_size)
|
||
|
|
);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We use page->private to hold the amount of the page that we've written to,
|
||
|
|
* splitting the field into two parts. However, we need to represent a range
|
||
|
|
* 0...PAGE_SIZE inclusive, so we can't support 64K pages on a 32-bit system.
|
||
|
|
*/
|
||
|
|
#if PAGE_SIZE > 32768
|
||
|
|
#define AFS_PRIV_MAX 0xffffffff
|
||
|
|
#define AFS_PRIV_SHIFT 32
|
||
|
|
#else
|
||
|
|
#define AFS_PRIV_MAX 0xffff
|
||
|
|
#define AFS_PRIV_SHIFT 16
|
||
|
|
#endif
|
||
|
|
|
||
|
|
TRACE_EVENT(afs_page_dirty,
|
||
|
|
TP_PROTO(struct afs_vnode *vnode, const char *where,
|
||
|
|
pgoff_t page, unsigned long priv),
|
||
|
|
|
||
|
|
TP_ARGS(vnode, where, page, priv),
|
||
|
|
|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__field(struct afs_vnode *, vnode )
|
||
|
|
__field(const char *, where )
|
||
|
|
__field(pgoff_t, page )
|
||
|
|
__field(unsigned long, priv )
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_fast_assign(
|
||
|
|
__entry->vnode = vnode;
|
||
|
|
__entry->where = where;
|
||
|
|
__entry->page = page;
|
||
|
|
__entry->priv = priv;
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_printk("vn=%p %lx %s %lu-%lu",
|
||
|
|
__entry->vnode, __entry->page, __entry->where,
|
||
|
|
__entry->priv & AFS_PRIV_MAX,
|
||
|
|
__entry->priv >> AFS_PRIV_SHIFT)
|
||
|
|
);
|
||
|
|
|
||
|
|
TRACE_EVENT(afs_call_state,
|
||
|
|
TP_PROTO(struct afs_call *call,
|
||
|
|
enum afs_call_state from,
|
||
|
|
enum afs_call_state to,
|
||
|
|
int ret, u32 remote_abort),
|
||
|
|
|
||
|
|
TP_ARGS(call, from, to, ret, remote_abort),
|
||
|
|
|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__field(struct afs_call *, call )
|
||
|
|
__field(enum afs_call_state, from )
|
||
|
|
__field(enum afs_call_state, to )
|
||
|
|
__field(int, ret )
|
||
|
|
__field(u32, abort )
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_fast_assign(
|
||
|
|
__entry->call = call;
|
||
|
|
__entry->from = from;
|
||
|
|
__entry->to = to;
|
||
|
|
__entry->ret = ret;
|
||
|
|
__entry->abort = remote_abort;
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_printk("c=%p %u->%u r=%d ab=%d",
|
||
|
|
__entry->call,
|
||
|
|
__entry->from, __entry->to,
|
||
|
|
__entry->ret, __entry->abort)
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif /* _TRACE_AFS_H */
|
||
|
|
|
||
|
|
/* This part must be outside protection */
|
||
|
|
#include <trace/define_trace.h>
|