diff options
Diffstat (limited to 'include/trace/events')
| -rw-r--r-- | include/trace/events/netfs.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h index e3ebeabd3852..de1c64635e42 100644 --- a/include/trace/events/netfs.h +++ b/include/trace/events/netfs.h @@ -47,6 +47,15 @@ enum netfs_sreq_trace { netfs_sreq_trace_write_term, }; +enum netfs_failure { + netfs_fail_check_write_begin, + netfs_fail_copy_to_cache, + netfs_fail_read, + netfs_fail_short_readpage, + netfs_fail_short_write_begin, + netfs_fail_prepare_write, +}; + #endif #define netfs_read_traces \ @@ -81,6 +90,14 @@ enum netfs_sreq_trace { EM(netfs_sreq_trace_write_skip, "SKIP ") \ E_(netfs_sreq_trace_write_term, "WTERM") +#define netfs_failures \ + EM(netfs_fail_check_write_begin, "check-write-begin") \ + EM(netfs_fail_copy_to_cache, "copy-to-cache") \ + EM(netfs_fail_read, "read") \ + EM(netfs_fail_short_readpage, "short-readpage") \ + EM(netfs_fail_short_write_begin, "short-write-begin") \ + E_(netfs_fail_prepare_write, "prep-write") + /* * Export enum symbols via userspace. @@ -94,6 +111,7 @@ netfs_read_traces; netfs_rreq_traces; netfs_sreq_sources; netfs_sreq_traces; +netfs_failures; /* * Now redefine the EM() and E_() macros to map the enums to the strings that @@ -197,6 +215,46 @@ TRACE_EVENT(netfs_sreq, __entry->error) ); +TRACE_EVENT(netfs_failure, + TP_PROTO(struct netfs_read_request *rreq, + struct netfs_read_subrequest *sreq, + int error, enum netfs_failure what), + + TP_ARGS(rreq, sreq, error, what), + + TP_STRUCT__entry( + __field(unsigned int, rreq ) + __field(unsigned short, index ) + __field(short, error ) + __field(unsigned short, flags ) + __field(enum netfs_read_source, source ) + __field(enum netfs_failure, what ) + __field(size_t, len ) + __field(size_t, transferred ) + __field(loff_t, start ) + ), + + TP_fast_assign( + __entry->rreq = rreq->debug_id; + __entry->index = sreq ? sreq->debug_index : 0; + __entry->error = error; + __entry->flags = sreq ? sreq->flags : 0; + __entry->source = sreq ? sreq->source : NETFS_INVALID_READ; + __entry->what = what; + __entry->len = sreq ? sreq->len : 0; + __entry->transferred = sreq ? sreq->transferred : 0; + __entry->start = sreq ? sreq->start : 0; + ), + + TP_printk("R=%08x[%u] %s f=%02x s=%llx %zx/%zx %s e=%d", + __entry->rreq, __entry->index, + __print_symbolic(__entry->source, netfs_sreq_sources), + __entry->flags, + __entry->start, __entry->transferred, __entry->len, + __print_symbolic(__entry->what, netfs_failures), + __entry->error) + ); + #endif /* _TRACE_NETFS_H */ /* This part must be outside protection */ |