56e1b22608
The tracepoints in the 9p code use a lot of enums for the __print_symbolic() function. These enums are shown in the tracepoint format files, and user space tools such as trace-cmd does not have the information to parse it. Add helper macros to export the enums with TRACE_DEFINE_ENUM(). Link: http://lkml.kernel.org/r/20150403013802.220157513@goodmis.org Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Eric Van Hensbergen <ericvh@gmail.com> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
173 lines
5.1 KiB
C
173 lines
5.1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM 9p
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#if !defined(_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_9P_H
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#include <linux/tracepoint.h>
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#define P9_MSG_T \
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EM( P9_TLERROR, "P9_TLERROR" ) \
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EM( P9_RLERROR, "P9_RLERROR" ) \
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EM( P9_TSTATFS, "P9_TSTATFS" ) \
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EM( P9_RSTATFS, "P9_RSTATFS" ) \
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EM( P9_TLOPEN, "P9_TLOPEN" ) \
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EM( P9_RLOPEN, "P9_RLOPEN" ) \
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EM( P9_TLCREATE, "P9_TLCREATE" ) \
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EM( P9_RLCREATE, "P9_RLCREATE" ) \
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EM( P9_TSYMLINK, "P9_TSYMLINK" ) \
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EM( P9_RSYMLINK, "P9_RSYMLINK" ) \
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EM( P9_TMKNOD, "P9_TMKNOD" ) \
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EM( P9_RMKNOD, "P9_RMKNOD" ) \
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EM( P9_TRENAME, "P9_TRENAME" ) \
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EM( P9_RRENAME, "P9_RRENAME" ) \
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EM( P9_TREADLINK, "P9_TREADLINK" ) \
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EM( P9_RREADLINK, "P9_RREADLINK" ) \
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EM( P9_TGETATTR, "P9_TGETATTR" ) \
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EM( P9_RGETATTR, "P9_RGETATTR" ) \
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EM( P9_TSETATTR, "P9_TSETATTR" ) \
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EM( P9_RSETATTR, "P9_RSETATTR" ) \
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EM( P9_TXATTRWALK, "P9_TXATTRWALK" ) \
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EM( P9_RXATTRWALK, "P9_RXATTRWALK" ) \
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EM( P9_TXATTRCREATE, "P9_TXATTRCREATE" ) \
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EM( P9_RXATTRCREATE, "P9_RXATTRCREATE" ) \
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EM( P9_TREADDIR, "P9_TREADDIR" ) \
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EM( P9_RREADDIR, "P9_RREADDIR" ) \
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EM( P9_TFSYNC, "P9_TFSYNC" ) \
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EM( P9_RFSYNC, "P9_RFSYNC" ) \
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EM( P9_TLOCK, "P9_TLOCK" ) \
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EM( P9_RLOCK, "P9_RLOCK" ) \
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EM( P9_TGETLOCK, "P9_TGETLOCK" ) \
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EM( P9_RGETLOCK, "P9_RGETLOCK" ) \
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EM( P9_TLINK, "P9_TLINK" ) \
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EM( P9_RLINK, "P9_RLINK" ) \
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EM( P9_TMKDIR, "P9_TMKDIR" ) \
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EM( P9_RMKDIR, "P9_RMKDIR" ) \
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EM( P9_TRENAMEAT, "P9_TRENAMEAT" ) \
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EM( P9_RRENAMEAT, "P9_RRENAMEAT" ) \
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EM( P9_TUNLINKAT, "P9_TUNLINKAT" ) \
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EM( P9_RUNLINKAT, "P9_RUNLINKAT" ) \
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EM( P9_TVERSION, "P9_TVERSION" ) \
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EM( P9_RVERSION, "P9_RVERSION" ) \
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EM( P9_TAUTH, "P9_TAUTH" ) \
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EM( P9_RAUTH, "P9_RAUTH" ) \
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EM( P9_TATTACH, "P9_TATTACH" ) \
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EM( P9_RATTACH, "P9_RATTACH" ) \
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EM( P9_TERROR, "P9_TERROR" ) \
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EM( P9_RERROR, "P9_RERROR" ) \
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EM( P9_TFLUSH, "P9_TFLUSH" ) \
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EM( P9_RFLUSH, "P9_RFLUSH" ) \
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EM( P9_TWALK, "P9_TWALK" ) \
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EM( P9_RWALK, "P9_RWALK" ) \
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EM( P9_TOPEN, "P9_TOPEN" ) \
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EM( P9_ROPEN, "P9_ROPEN" ) \
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EM( P9_TCREATE, "P9_TCREATE" ) \
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EM( P9_RCREATE, "P9_RCREATE" ) \
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EM( P9_TREAD, "P9_TREAD" ) \
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EM( P9_RREAD, "P9_RREAD" ) \
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EM( P9_TWRITE, "P9_TWRITE" ) \
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EM( P9_RWRITE, "P9_RWRITE" ) \
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EM( P9_TCLUNK, "P9_TCLUNK" ) \
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EM( P9_RCLUNK, "P9_RCLUNK" ) \
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EM( P9_TREMOVE, "P9_TREMOVE" ) \
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EM( P9_RREMOVE, "P9_RREMOVE" ) \
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EM( P9_TSTAT, "P9_TSTAT" ) \
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EM( P9_RSTAT, "P9_RSTAT" ) \
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EM( P9_TWSTAT, "P9_TWSTAT" ) \
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EMe(P9_RWSTAT, "P9_RWSTAT" )
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/* Define EM() to export the enums to userspace via TRACE_DEFINE_ENUM() */
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#undef EM
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#undef EMe
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#define EM(a, b) TRACE_DEFINE_ENUM(a);
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#define EMe(a, b) TRACE_DEFINE_ENUM(a);
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P9_MSG_T
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/*
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* Now redefine the EM() and EMe() macros to map the enums to the strings
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* that will be printed in the output.
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) { a, b },
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#define EMe(a, b) { a, b }
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#define show_9p_op(type) \
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__print_symbolic(type, P9_MSG_T)
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TRACE_EVENT(9p_client_req,
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TP_PROTO(struct p9_client *clnt, int8_t type, int tag),
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TP_ARGS(clnt, type, tag),
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TP_STRUCT__entry(
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__field( void *, clnt )
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__field( __u8, type )
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__field( __u32, tag )
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),
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TP_fast_assign(
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__entry->clnt = clnt;
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__entry->type = type;
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__entry->tag = tag;
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),
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TP_printk("client %lu request %s tag %d",
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(long)__entry->clnt, show_9p_op(__entry->type),
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__entry->tag)
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);
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TRACE_EVENT(9p_client_res,
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TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err),
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TP_ARGS(clnt, type, tag, err),
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TP_STRUCT__entry(
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__field( void *, clnt )
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__field( __u8, type )
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__field( __u32, tag )
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__field( __u32, err )
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),
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TP_fast_assign(
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__entry->clnt = clnt;
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__entry->type = type;
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__entry->tag = tag;
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__entry->err = err;
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),
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TP_printk("client %lu response %s tag %d err %d",
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(long)__entry->clnt, show_9p_op(__entry->type),
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__entry->tag, __entry->err)
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);
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/* dump 32 bytes of protocol data */
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#define P9_PROTO_DUMP_SZ 32
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TRACE_EVENT(9p_protocol_dump,
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TP_PROTO(struct p9_client *clnt, struct p9_fcall *pdu),
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TP_ARGS(clnt, pdu),
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TP_STRUCT__entry(
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__field( void *, clnt )
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__field( __u8, type )
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__field( __u16, tag )
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__array( unsigned char, line, P9_PROTO_DUMP_SZ )
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),
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TP_fast_assign(
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__entry->clnt = clnt;
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__entry->type = pdu->id;
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__entry->tag = pdu->tag;
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memcpy(__entry->line, pdu->sdata, P9_PROTO_DUMP_SZ);
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),
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TP_printk("clnt %lu %s(tag = %d)\n%.3x: %16ph\n%.3x: %16ph\n",
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(unsigned long)__entry->clnt, show_9p_op(__entry->type),
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__entry->tag, 0, __entry->line, 16, __entry->line + 16)
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);
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#endif /* _TRACE_9P_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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