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linux_dsm_epyc7002/include/trace/events/afs.h
David Howells 5f702c8e12 afs: Trace protocol errors 
Trace protocol errors detected in afs.

Signed-off-by: David Howells <dhowells@redhat.com>
2018-04-09 21:54:48 +01:00

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/* AFS tracepoints
*
* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM afs
#if !defined(_TRACE_AFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_AFS_H
#include <linux/tracepoint.h>
/*
* Define enums for tracing information.
*/
#ifndef __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
enum afs_call_trace {
afs_call_trace_alloc,
afs_call_trace_free,
afs_call_trace_put,
afs_call_trace_wake,
afs_call_trace_work,
};
enum afs_fs_operation {
afs_FS_FetchData = 130, /* AFS Fetch file data */
afs_FS_FetchStatus = 132, /* AFS Fetch file status */
afs_FS_StoreData = 133, /* AFS Store file data */
afs_FS_StoreStatus = 135, /* AFS Store file status */
afs_FS_RemoveFile = 136, /* AFS Remove a file */
afs_FS_CreateFile = 137, /* AFS Create a file */
afs_FS_Rename = 138, /* AFS Rename or move a file or directory */
afs_FS_Symlink = 139, /* AFS Create a symbolic link */
afs_FS_Link = 140, /* AFS Create a hard link */
afs_FS_MakeDir = 141, /* AFS Create a directory */
afs_FS_RemoveDir = 142, /* AFS Remove a directory */
afs_FS_GetVolumeInfo = 148, /* AFS Get information about a volume */
afs_FS_GetVolumeStatus = 149, /* AFS Get volume status information */
afs_FS_GetRootVolume = 151, /* AFS Get root volume name */
afs_FS_SetLock = 156, /* AFS Request a file lock */
afs_FS_ExtendLock = 157, /* AFS Extend a file lock */
afs_FS_ReleaseLock = 158, /* AFS Release a file lock */
afs_FS_Lookup = 161, /* AFS lookup file in directory */
afs_FS_InlineBulkStatus = 65536, /* AFS Fetch multiple file statuses with errors */
afs_FS_FetchData64 = 65537, /* AFS Fetch file data */
afs_FS_StoreData64 = 65538, /* AFS Store file data */
afs_FS_GiveUpAllCallBacks = 65539, /* AFS Give up all our callbacks on a server */
afs_FS_GetCapabilities = 65540, /* AFS Get FS server capabilities */
};
enum afs_vl_operation {
afs_VL_GetEntryByNameU = 527, /* AFS Get Vol Entry By Name operation ID */
afs_VL_GetAddrsU = 533, /* AFS Get FS server addresses */
afs_YFSVL_GetEndpoints = 64002, /* YFS Get FS & Vol server addresses */
afs_VL_GetCapabilities = 65537, /* AFS Get VL server capabilities */
};
enum afs_edit_dir_op {
afs_edit_dir_create,
afs_edit_dir_create_error,
afs_edit_dir_create_inval,
afs_edit_dir_create_nospc,
afs_edit_dir_delete,
afs_edit_dir_delete_error,
afs_edit_dir_delete_inval,
afs_edit_dir_delete_noent,
};
enum afs_edit_dir_reason {
afs_edit_dir_for_create,
afs_edit_dir_for_link,
afs_edit_dir_for_mkdir,
afs_edit_dir_for_rename,
afs_edit_dir_for_rmdir,
afs_edit_dir_for_symlink,
afs_edit_dir_for_unlink,
};
#endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */
/*
* Declare tracing information enums and their string mappings for display.
*/
#define afs_call_traces \
EM(afs_call_trace_alloc, "ALLOC") \
EM(afs_call_trace_free, "FREE ") \
EM(afs_call_trace_put, "PUT ") \
EM(afs_call_trace_wake, "WAKE ") \
E_(afs_call_trace_work, "WORK ")
#define afs_fs_operations \
EM(afs_FS_FetchData, "FS.FetchData") \
EM(afs_FS_FetchStatus, "FS.FetchStatus") \
EM(afs_FS_StoreData, "FS.StoreData") \
EM(afs_FS_StoreStatus, "FS.StoreStatus") \
EM(afs_FS_RemoveFile, "FS.RemoveFile") \
EM(afs_FS_CreateFile, "FS.CreateFile") \
EM(afs_FS_Rename, "FS.Rename") \
EM(afs_FS_Symlink, "FS.Symlink") \
EM(afs_FS_Link, "FS.Link") \
EM(afs_FS_MakeDir, "FS.MakeDir") \
EM(afs_FS_RemoveDir, "FS.RemoveDir") \
EM(afs_FS_GetVolumeInfo, "FS.GetVolumeInfo") \
EM(afs_FS_GetVolumeStatus, "FS.GetVolumeStatus") \
EM(afs_FS_GetRootVolume, "FS.GetRootVolume") \
EM(afs_FS_SetLock, "FS.SetLock") \
EM(afs_FS_ExtendLock, "FS.ExtendLock") \
EM(afs_FS_ReleaseLock, "FS.ReleaseLock") \
EM(afs_FS_Lookup, "FS.Lookup") \
EM(afs_FS_InlineBulkStatus, "FS.InlineBulkStatus") \
EM(afs_FS_FetchData64, "FS.FetchData64") \
EM(afs_FS_StoreData64, "FS.StoreData64") \
EM(afs_FS_GiveUpAllCallBacks, "FS.GiveUpAllCallBacks") \
E_(afs_FS_GetCapabilities, "FS.GetCapabilities")
#define afs_vl_operations \
EM(afs_VL_GetEntryByNameU, "VL.GetEntryByNameU") \
EM(afs_VL_GetAddrsU, "VL.GetAddrsU") \
EM(afs_YFSVL_GetEndpoints, "YFSVL.GetEndpoints") \
E_(afs_VL_GetCapabilities, "VL.GetCapabilities")
#define afs_edit_dir_ops \
EM(afs_edit_dir_create, "create") \
EM(afs_edit_dir_create_error, "c_fail") \
EM(afs_edit_dir_create_inval, "c_invl") \
EM(afs_edit_dir_create_nospc, "c_nspc") \
EM(afs_edit_dir_delete, "delete") \
EM(afs_edit_dir_delete_error, "d_err ") \
EM(afs_edit_dir_delete_inval, "d_invl") \
E_(afs_edit_dir_delete_noent, "d_nent")
#define afs_edit_dir_reasons \
EM(afs_edit_dir_for_create, "Create") \
EM(afs_edit_dir_for_link, "Link ") \
EM(afs_edit_dir_for_mkdir, "MkDir ") \
EM(afs_edit_dir_for_rename, "Rename") \
EM(afs_edit_dir_for_rmdir, "RmDir ") \
EM(afs_edit_dir_for_symlink, "Symlnk") \
E_(afs_edit_dir_for_unlink, "Unlink")
/*
* Export enum symbols via userspace.
*/
#undef EM
#undef E_
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define E_(a, b) TRACE_DEFINE_ENUM(a);
afs_call_traces;
afs_fs_operations;
afs_vl_operations;
afs_edit_dir_ops;
afs_edit_dir_reasons;
/*
* Now redefine the EM() and E_() macros to map the enums to the strings that
* will be printed in the output.
*/
#undef EM
#undef E_
#define EM(a, b) { a, b },
#define E_(a, b) { a, b }
TRACE_EVENT(afs_recv_data,
TP_PROTO(struct afs_call *call, unsigned count, unsigned offset,
bool want_more, int ret),
TP_ARGS(call, count, offset, want_more, ret),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum afs_call_state, state )
__field(unsigned int, count )
__field(unsigned int, offset )
__field(unsigned short, unmarshall )
__field(bool, want_more )
__field(int, ret )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
__entry->count = count;
__entry->offset = offset;
__entry->want_more = want_more;
__entry->ret = ret;
),
TP_printk("c=%08x s=%u u=%u %u/%u wm=%u ret=%d",
__entry->call,
__entry->state, __entry->unmarshall,
__entry->offset, __entry->count,
__entry->want_more, __entry->ret)
);
TRACE_EVENT(afs_notify_call,
TP_PROTO(struct rxrpc_call *rxcall, struct afs_call *call),
TP_ARGS(rxcall, call),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum afs_call_state, state )
__field(unsigned short, unmarshall )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
),
TP_printk("c=%08x s=%u u=%u",
__entry->call,
__entry->state, __entry->unmarshall)
);
TRACE_EVENT(afs_cb_call,
TP_PROTO(struct afs_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(const char *, name )
__field(u32, op )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->name = call->type->name;
__entry->op = call->operation_ID;
),
TP_printk("c=%08x %s o=%u",
__entry->call,
__entry->name,
__entry->op)
);
TRACE_EVENT(afs_call,
TP_PROTO(struct afs_call *call, enum afs_call_trace op,
int usage, int outstanding, const void *where),
TP_ARGS(call, op, usage, outstanding, where),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(int, op )
__field(int, usage )
__field(int, outstanding )
__field(const void *, where )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->outstanding = outstanding;
__entry->where = where;
),
TP_printk("c=%08x %s u=%d o=%d sp=%pSR",
__entry->call,
__print_symbolic(__entry->op, afs_call_traces),
__entry->usage,
__entry->outstanding,
__entry->where)
);
TRACE_EVENT(afs_make_fs_call,
TP_PROTO(struct afs_call *call, const struct afs_fid *fid),
TP_ARGS(call, fid),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum afs_fs_operation, op )
__field_struct(struct afs_fid, fid )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->op = call->operation_ID;
if (fid) {
__entry->fid = *fid;
} else {
__entry->fid.vid = 0;
__entry->fid.vnode = 0;
__entry->fid.unique = 0;
}
),
TP_printk("c=%08x %06x:%06x:%06x %s",
__entry->call,
__entry->fid.vid,
__entry->fid.vnode,
__entry->fid.unique,
__print_symbolic(__entry->op, afs_fs_operations))
);
TRACE_EVENT(afs_make_vl_call,
TP_PROTO(struct afs_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum afs_vl_operation, op )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->op = call->operation_ID;
),
TP_printk("c=%08x %s",
__entry->call,
__print_symbolic(__entry->op, afs_vl_operations))
);
TRACE_EVENT(afs_call_done,
TP_PROTO(struct afs_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(struct rxrpc_call *, rx_call )
__field(int, ret )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->rx_call = call->rxcall;
__entry->ret = call->error;
__entry->abort_code = call->abort_code;
),
TP_printk(" c=%08x ret=%d ab=%d [%p]",
__entry->call,
__entry->ret,
__entry->abort_code,
__entry->rx_call)
);
TRACE_EVENT(afs_send_pages,
TP_PROTO(struct afs_call *call, struct msghdr *msg,
pgoff_t first, pgoff_t last, unsigned int offset),
TP_ARGS(call, msg, first, last, offset),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(pgoff_t, first )
__field(pgoff_t, last )
__field(unsigned int, nr )
__field(unsigned int, bytes )
__field(unsigned int, offset )
__field(unsigned int, flags )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->first = first;
__entry->last = last;
__entry->nr = msg->msg_iter.nr_segs;
__entry->bytes = msg->msg_iter.count;
__entry->offset = offset;
__entry->flags = msg->msg_flags;
),
TP_printk(" c=%08x %lx-%lx-%lx b=%x o=%x f=%x",
__entry->call,
__entry->first, __entry->first + __entry->nr - 1, __entry->last,
__entry->bytes, __entry->offset,
__entry->flags)
);
TRACE_EVENT(afs_sent_pages,
TP_PROTO(struct afs_call *call, pgoff_t first, pgoff_t last,
pgoff_t cursor, int ret),
TP_ARGS(call, first, last, cursor, ret),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(pgoff_t, first )
__field(pgoff_t, last )
__field(pgoff_t, cursor )
__field(int, ret )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->first = first;
__entry->last = last;
__entry->cursor = cursor;
__entry->ret = ret;
),
TP_printk(" c=%08x %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(unsigned int, 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->debug_id;
__entry->from = from;
__entry->to = to;
__entry->ret = ret;
__entry->abort = remote_abort;
),
TP_printk("c=%08x %u->%u r=%d ab=%d",
__entry->call,
__entry->from, __entry->to,
__entry->ret, __entry->abort)
);
TRACE_EVENT(afs_edit_dir,
TP_PROTO(struct afs_vnode *dvnode,
enum afs_edit_dir_reason why,
enum afs_edit_dir_op op,
unsigned int block,
unsigned int slot,
unsigned int f_vnode,
unsigned int f_unique,
const char *name),
TP_ARGS(dvnode, why, op, block, slot, f_vnode, f_unique, name),
TP_STRUCT__entry(
__field(unsigned int, vnode )
__field(unsigned int, unique )
__field(enum afs_edit_dir_reason, why )
__field(enum afs_edit_dir_op, op )
__field(unsigned int, block )
__field(unsigned short, slot )
__field(unsigned int, f_vnode )
__field(unsigned int, f_unique )
__array(char, name, 18 )
),
TP_fast_assign(
int __len = strlen(name);
__len = min(__len, 17);
__entry->vnode = dvnode->fid.vnode;
__entry->unique = dvnode->fid.unique;
__entry->why = why;
__entry->op = op;
__entry->block = block;
__entry->slot = slot;
__entry->f_vnode = f_vnode;
__entry->f_unique = f_unique;
memcpy(__entry->name, name, __len);
__entry->name[__len] = 0;
),
TP_printk("d=%x:%x %s %s %u[%u] f=%x:%x %s",
__entry->vnode, __entry->unique,
__print_symbolic(__entry->why, afs_edit_dir_reasons),
__print_symbolic(__entry->op, afs_edit_dir_ops),
__entry->block, __entry->slot,
__entry->f_vnode, __entry->f_unique,
__entry->name)
);
TRACE_EVENT(afs_protocol_error,
TP_PROTO(struct afs_call *call, int error, const void *where),
TP_ARGS(call, error, where),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(int, error )
__field(const void *, where )
),
TP_fast_assign(
__entry->call = call ? call->debug_id : 0;
__entry->error = error;
__entry->where = where;
),
TP_printk("c=%08x r=%d sp=%pSR",
__entry->call, __entry->error, __entry->where)
);
#endif /* _TRACE_AFS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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