diff options
Diffstat (limited to 'include/trace/events/afs.h')
| -rw-r--r-- | include/trace/events/afs.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h new file mode 100644 index 000000000000..8b95c16b7045 --- /dev/null +++ b/include/trace/events/afs.h @@ -0,0 +1,184 @@ +/* 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, +}; + +#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 ") + +/* + * 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; + +/* + * 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(struct rxrpc_call *, rxcall ) + __field(struct afs_call *, 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->rxcall = call->rxcall; + __entry->call = call; + __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=%p ac=%p s=%u u=%u %u/%u wm=%u ret=%d", + __entry->rxcall, + __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(struct rxrpc_call *, rxcall ) + __field(struct afs_call *, call ) + __field(enum afs_call_state, state ) + __field(unsigned short, unmarshall ) + ), + + TP_fast_assign( + __entry->rxcall = rxcall; + __entry->call = call; + __entry->state = call->state; + __entry->unmarshall = call->unmarshall; + ), + + TP_printk("c=%p ac=%p s=%u u=%u", + __entry->rxcall, + __entry->call, + __entry->state, __entry->unmarshall) + ); + +TRACE_EVENT(afs_cb_call, + TP_PROTO(struct afs_call *call), + + TP_ARGS(call), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, rxcall ) + __field(struct afs_call *, call ) + __field(const char *, name ) + __field(u32, op ) + ), + + TP_fast_assign( + __entry->rxcall = call->rxcall; + __entry->call = call; + __entry->name = call->type->name; + __entry->op = call->operation_ID; + ), + + TP_printk("c=%p ac=%p %s o=%u", + __entry->rxcall, + __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(struct afs_call *, call ) + __field(int, op ) + __field(int, usage ) + __field(int, outstanding ) + __field(const void *, where ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->op = op; + __entry->usage = usage; + __entry->outstanding = outstanding; + __entry->where = where; + ), + + TP_printk("c=%p %s u=%d o=%d sp=%pSR", + __entry->call, + __print_symbolic(__entry->op, afs_call_traces), + __entry->usage, + __entry->outstanding, + __entry->where) + ); + +#endif /* _TRACE_AFS_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |