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Diffstat (limited to 'include/trace/events/netfs.h')
-rw-r--r--include/trace/events/netfs.h190
1 files changed, 124 insertions, 66 deletions
diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
index e6f4ebbb4c69..beec534cbaab 100644
--- a/include/trace/events/netfs.h
+++ b/include/trace/events/netfs.h
@@ -15,63 +15,25 @@
/*
* Define enums for tracing information.
*/
-#ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
-#define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
-
-enum netfs_read_trace {
- netfs_read_trace_expanded,
- netfs_read_trace_readahead,
- netfs_read_trace_readpage,
- netfs_read_trace_write_begin,
-};
-
-enum netfs_rreq_trace {
- netfs_rreq_trace_assess,
- netfs_rreq_trace_done,
- netfs_rreq_trace_free,
- netfs_rreq_trace_resubmit,
- netfs_rreq_trace_unlock,
- netfs_rreq_trace_unmark,
- netfs_rreq_trace_write,
-};
-
-enum netfs_sreq_trace {
- netfs_sreq_trace_download_instead,
- netfs_sreq_trace_free,
- netfs_sreq_trace_prepare,
- netfs_sreq_trace_resubmit_short,
- netfs_sreq_trace_submit,
- netfs_sreq_trace_terminated,
- netfs_sreq_trace_write,
- netfs_sreq_trace_write_skip,
- 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 \
EM(netfs_read_trace_expanded, "EXPANDED ") \
EM(netfs_read_trace_readahead, "READAHEAD") \
EM(netfs_read_trace_readpage, "READPAGE ") \
E_(netfs_read_trace_write_begin, "WRITEBEGN")
+#define netfs_rreq_origins \
+ EM(NETFS_READAHEAD, "RA") \
+ EM(NETFS_READPAGE, "RP") \
+ E_(NETFS_READ_FOR_WRITE, "RW")
+
#define netfs_rreq_traces \
- EM(netfs_rreq_trace_assess, "ASSESS") \
- EM(netfs_rreq_trace_done, "DONE ") \
- EM(netfs_rreq_trace_free, "FREE ") \
- EM(netfs_rreq_trace_resubmit, "RESUBM") \
- EM(netfs_rreq_trace_unlock, "UNLOCK") \
- EM(netfs_rreq_trace_unmark, "UNMARK") \
- E_(netfs_rreq_trace_write, "WRITE ")
+ EM(netfs_rreq_trace_assess, "ASSESS ") \
+ EM(netfs_rreq_trace_copy, "COPY ") \
+ EM(netfs_rreq_trace_done, "DONE ") \
+ EM(netfs_rreq_trace_free, "FREE ") \
+ EM(netfs_rreq_trace_resubmit, "RESUBMT") \
+ EM(netfs_rreq_trace_unlock, "UNLOCK ") \
+ E_(netfs_rreq_trace_unmark, "UNMARK ")
#define netfs_sreq_sources \
EM(NETFS_FILL_WITH_ZEROES, "ZERO") \
@@ -94,10 +56,47 @@ enum netfs_failure {
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") \
+ EM(netfs_fail_short_read, "short-read") \
E_(netfs_fail_prepare_write, "prep-write")
+#define netfs_rreq_ref_traces \
+ EM(netfs_rreq_trace_get_hold, "GET HOLD ") \
+ EM(netfs_rreq_trace_get_subreq, "GET SUBREQ ") \
+ EM(netfs_rreq_trace_put_complete, "PUT COMPLT ") \
+ EM(netfs_rreq_trace_put_discard, "PUT DISCARD") \
+ EM(netfs_rreq_trace_put_failed, "PUT FAILED ") \
+ EM(netfs_rreq_trace_put_hold, "PUT HOLD ") \
+ EM(netfs_rreq_trace_put_subreq, "PUT SUBREQ ") \
+ EM(netfs_rreq_trace_put_zero_len, "PUT ZEROLEN") \
+ E_(netfs_rreq_trace_new, "NEW ")
+
+#define netfs_sreq_ref_traces \
+ EM(netfs_sreq_trace_get_copy_to_cache, "GET COPY2C ") \
+ EM(netfs_sreq_trace_get_resubmit, "GET RESUBMIT") \
+ EM(netfs_sreq_trace_get_short_read, "GET SHORTRD") \
+ EM(netfs_sreq_trace_new, "NEW ") \
+ EM(netfs_sreq_trace_put_clear, "PUT CLEAR ") \
+ EM(netfs_sreq_trace_put_failed, "PUT FAILED ") \
+ EM(netfs_sreq_trace_put_merged, "PUT MERGED ") \
+ EM(netfs_sreq_trace_put_no_copy, "PUT NO COPY") \
+ E_(netfs_sreq_trace_put_terminated, "PUT TERM ")
+
+#ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
+#define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
+
+#undef EM
+#undef E_
+#define EM(a, b) a,
+#define E_(a, b) a
+
+enum netfs_read_trace { netfs_read_traces } __mode(byte);
+enum netfs_rreq_trace { netfs_rreq_traces } __mode(byte);
+enum netfs_sreq_trace { netfs_sreq_traces } __mode(byte);
+enum netfs_failure { netfs_failures } __mode(byte);
+enum netfs_rreq_ref_trace { netfs_rreq_ref_traces } __mode(byte);
+enum netfs_sreq_ref_trace { netfs_sreq_ref_traces } __mode(byte);
+
+#endif
/*
* Export enum symbols via userspace.
@@ -108,10 +107,13 @@ enum netfs_failure {
#define E_(a, b) TRACE_DEFINE_ENUM(a);
netfs_read_traces;
+netfs_rreq_origins;
netfs_rreq_traces;
netfs_sreq_sources;
netfs_sreq_traces;
netfs_failures;
+netfs_rreq_ref_traces;
+netfs_sreq_ref_traces;
/*
* Now redefine the EM() and E_() macros to map the enums to the strings that
@@ -123,7 +125,7 @@ netfs_failures;
#define E_(a, b) { a, b }
TRACE_EVENT(netfs_read,
- TP_PROTO(struct netfs_read_request *rreq,
+ TP_PROTO(struct netfs_io_request *rreq,
loff_t start, size_t len,
enum netfs_read_trace what),
@@ -156,31 +158,34 @@ TRACE_EVENT(netfs_read,
);
TRACE_EVENT(netfs_rreq,
- TP_PROTO(struct netfs_read_request *rreq,
+ TP_PROTO(struct netfs_io_request *rreq,
enum netfs_rreq_trace what),
TP_ARGS(rreq, what),
TP_STRUCT__entry(
__field(unsigned int, rreq )
- __field(unsigned short, flags )
+ __field(unsigned int, flags )
+ __field(enum netfs_io_origin, origin )
__field(enum netfs_rreq_trace, what )
),
TP_fast_assign(
__entry->rreq = rreq->debug_id;
__entry->flags = rreq->flags;
+ __entry->origin = rreq->origin;
__entry->what = what;
),
- TP_printk("R=%08x %s f=%02x",
+ TP_printk("R=%08x %s %s f=%02x",
__entry->rreq,
+ __print_symbolic(__entry->origin, netfs_rreq_origins),
__print_symbolic(__entry->what, netfs_rreq_traces),
__entry->flags)
);
TRACE_EVENT(netfs_sreq,
- TP_PROTO(struct netfs_read_subrequest *sreq,
+ TP_PROTO(struct netfs_io_subrequest *sreq,
enum netfs_sreq_trace what),
TP_ARGS(sreq, what),
@@ -190,7 +195,7 @@ TRACE_EVENT(netfs_sreq,
__field(unsigned short, index )
__field(short, error )
__field(unsigned short, flags )
- __field(enum netfs_read_source, source )
+ __field(enum netfs_io_source, source )
__field(enum netfs_sreq_trace, what )
__field(size_t, len )
__field(size_t, transferred )
@@ -211,26 +216,26 @@ TRACE_EVENT(netfs_sreq,
TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx/%zx e=%d",
__entry->rreq, __entry->index,
- __print_symbolic(__entry->what, netfs_sreq_traces),
__print_symbolic(__entry->source, netfs_sreq_sources),
+ __print_symbolic(__entry->what, netfs_sreq_traces),
__entry->flags,
__entry->start, __entry->transferred, __entry->len,
__entry->error)
);
TRACE_EVENT(netfs_failure,
- TP_PROTO(struct netfs_read_request *rreq,
- struct netfs_read_subrequest *sreq,
+ TP_PROTO(struct netfs_io_request *rreq,
+ struct netfs_io_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, index )
__field(short, error )
__field(unsigned short, flags )
- __field(enum netfs_read_source, source )
+ __field(enum netfs_io_source, source )
__field(enum netfs_failure, what )
__field(size_t, len )
__field(size_t, transferred )
@@ -239,17 +244,17 @@ TRACE_EVENT(netfs_failure,
TP_fast_assign(
__entry->rreq = rreq->debug_id;
- __entry->index = sreq ? sreq->debug_index : 0;
+ __entry->index = sreq ? sreq->debug_index : -1;
__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->len = sreq ? sreq->len : rreq->len;
__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",
+ TP_printk("R=%08x[%d] %s f=%02x s=%llx %zx/%zx %s e=%d",
__entry->rreq, __entry->index,
__print_symbolic(__entry->source, netfs_sreq_sources),
__entry->flags,
@@ -258,6 +263,59 @@ TRACE_EVENT(netfs_failure,
__entry->error)
);
+TRACE_EVENT(netfs_rreq_ref,
+ TP_PROTO(unsigned int rreq_debug_id, int ref,
+ enum netfs_rreq_ref_trace what),
+
+ TP_ARGS(rreq_debug_id, ref, what),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, rreq )
+ __field(int, ref )
+ __field(enum netfs_rreq_ref_trace, what )
+ ),
+
+ TP_fast_assign(
+ __entry->rreq = rreq_debug_id;
+ __entry->ref = ref;
+ __entry->what = what;
+ ),
+
+ TP_printk("R=%08x %s r=%u",
+ __entry->rreq,
+ __print_symbolic(__entry->what, netfs_rreq_ref_traces),
+ __entry->ref)
+ );
+
+TRACE_EVENT(netfs_sreq_ref,
+ TP_PROTO(unsigned int rreq_debug_id, unsigned int subreq_debug_index,
+ int ref, enum netfs_sreq_ref_trace what),
+
+ TP_ARGS(rreq_debug_id, subreq_debug_index, ref, what),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, rreq )
+ __field(unsigned int, subreq )
+ __field(int, ref )
+ __field(enum netfs_sreq_ref_trace, what )
+ ),
+
+ TP_fast_assign(
+ __entry->rreq = rreq_debug_id;
+ __entry->subreq = subreq_debug_index;
+ __entry->ref = ref;
+ __entry->what = what;
+ ),
+
+ TP_printk("R=%08x[%x] %s r=%u",
+ __entry->rreq,
+ __entry->subreq,
+ __print_symbolic(__entry->what, netfs_sreq_ref_traces),
+ __entry->ref)
+ );
+
+#undef EM
+#undef E_
#endif /* _TRACE_NETFS_H */
/* This part must be outside protection */