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authorDavid Howells <[email protected]>2025-07-01 16:38:48 +0000
committerChristian Brauner <[email protected]>2025-07-01 20:37:14 +0000
commit90b3ccf514578ca3a6ac25db51a29a48e34e0f1b (patch)
treeb9fda312e9865774eaf483d9abbaa9e5882918b7 /include/trace
parentnetfs: Renumber the NETFS_RREQ_* flags to make traces easier to read (diff)
downloadkernel-90b3ccf514578ca3a6ac25db51a29a48e34e0f1b.tar.gz
kernel-90b3ccf514578ca3a6ac25db51a29a48e34e0f1b.zip
netfs: Update tracepoints in a number of ways
Make a number of updates to the netfs tracepoints: (1) Remove a duplicate trace from netfs_unbuffered_write_iter_locked(). (2) Move the trace in netfs_wake_rreq_flag() to after the flag is cleared so that the change appears in the trace. (3) Differentiate the use of netfs_rreq_trace_wait/woke_queue symbols. (4) Don't do so many trace emissions in the wait functions as some of them are redundant. (5) In netfs_collect_read_results(), differentiate a subreq that's being abandoned vs one that has been consumed in a regular way. (6) Add a tracepoint to indicate the call to ->ki_complete(). (7) Don't double-increment the subreq_counter when retrying a write. (8) Move the netfs_sreq_trace_io_progress tracepoint within cifs code to just MID_RESPONSE_RECEIVED and add different tracepoints for other MID states and note check failure. Signed-off-by: David Howells <[email protected]> Co-developed-by: Paulo Alcantara <[email protected]> Signed-off-by: Paulo Alcantara <[email protected]> Link: https://lore.kernel.org/[email protected] cc: Steve French <[email protected]> cc: [email protected] cc: [email protected] cc: [email protected] Signed-off-by: Christian Brauner <[email protected]>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/netfs.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
index c2d581429a7b..73e96ccbe830 100644
--- a/include/trace/events/netfs.h
+++ b/include/trace/events/netfs.h
@@ -50,12 +50,13 @@
#define netfs_rreq_traces \
EM(netfs_rreq_trace_assess, "ASSESS ") \
- EM(netfs_rreq_trace_copy, "COPY ") \
EM(netfs_rreq_trace_collect, "COLLECT") \
EM(netfs_rreq_trace_complete, "COMPLET") \
+ EM(netfs_rreq_trace_copy, "COPY ") \
EM(netfs_rreq_trace_dirty, "DIRTY ") \
EM(netfs_rreq_trace_done, "DONE ") \
EM(netfs_rreq_trace_free, "FREE ") \
+ EM(netfs_rreq_trace_ki_complete, "KI-CMPL") \
EM(netfs_rreq_trace_recollect, "RECLLCT") \
EM(netfs_rreq_trace_redirty, "REDIRTY") \
EM(netfs_rreq_trace_resubmit, "RESUBMT") \
@@ -64,13 +65,15 @@
EM(netfs_rreq_trace_unlock, "UNLOCK ") \
EM(netfs_rreq_trace_unlock_pgpriv2, "UNLCK-2") \
EM(netfs_rreq_trace_unmark, "UNMARK ") \
+ EM(netfs_rreq_trace_unpause, "UNPAUSE") \
EM(netfs_rreq_trace_wait_ip, "WAIT-IP") \
- EM(netfs_rreq_trace_wait_pause, "WT-PAUS") \
- EM(netfs_rreq_trace_wait_queue, "WAIT-Q ") \
+ EM(netfs_rreq_trace_wait_pause, "--PAUSED--") \
+ EM(netfs_rreq_trace_wait_quiesce, "WAIT-QUIESCE") \
+ EM(netfs_rreq_trace_waited_ip, "DONE-IP") \
+ EM(netfs_rreq_trace_waited_pause, "--UNPAUSED--") \
+ EM(netfs_rreq_trace_waited_quiesce, "DONE-QUIESCE") \
EM(netfs_rreq_trace_wake_ip, "WAKE-IP") \
EM(netfs_rreq_trace_wake_queue, "WAKE-Q ") \
- EM(netfs_rreq_trace_woke_queue, "WOKE-Q ") \
- EM(netfs_rreq_trace_unpause, "UNPAUSE") \
E_(netfs_rreq_trace_write_done, "WR-DONE")
#define netfs_sreq_sources \
@@ -83,6 +86,7 @@
E_(NETFS_WRITE_TO_CACHE, "WRIT")
#define netfs_sreq_traces \
+ EM(netfs_sreq_trace_abandoned, "ABNDN") \
EM(netfs_sreq_trace_add_donations, "+DON ") \
EM(netfs_sreq_trace_added, "ADD ") \
EM(netfs_sreq_trace_cache_nowrite, "CA-NW") \
@@ -90,6 +94,7 @@
EM(netfs_sreq_trace_cache_write, "CA-WR") \
EM(netfs_sreq_trace_cancel, "CANCL") \
EM(netfs_sreq_trace_clear, "CLEAR") \
+ EM(netfs_sreq_trace_consumed, "CONSM") \
EM(netfs_sreq_trace_discard, "DSCRD") \
EM(netfs_sreq_trace_donate_to_prev, "DON-P") \
EM(netfs_sreq_trace_donate_to_next, "DON-N") \
@@ -97,7 +102,12 @@
EM(netfs_sreq_trace_fail, "FAIL ") \
EM(netfs_sreq_trace_free, "FREE ") \
EM(netfs_sreq_trace_hit_eof, "EOF ") \
- EM(netfs_sreq_trace_io_progress, "IO ") \
+ EM(netfs_sreq_trace_io_bad, "I-BAD") \
+ EM(netfs_sreq_trace_io_malformed, "I-MLF") \
+ EM(netfs_sreq_trace_io_unknown, "I-UNK") \
+ EM(netfs_sreq_trace_io_progress, "I-OK ") \
+ EM(netfs_sreq_trace_io_req_submitted, "I-RSB") \
+ EM(netfs_sreq_trace_io_retry_needed, "I-RTR") \
EM(netfs_sreq_trace_limited, "LIMIT") \
EM(netfs_sreq_trace_need_clear, "N-CLR") \
EM(netfs_sreq_trace_partial_read, "PARTR") \
@@ -143,8 +153,8 @@
#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_submit, "GET SUBMIT") \
+ EM(netfs_sreq_trace_get_resubmit, "GET RESUBMT") \
+ EM(netfs_sreq_trace_get_submit, "GET SUBMIT ") \
EM(netfs_sreq_trace_get_short_read, "GET SHORTRD") \
EM(netfs_sreq_trace_new, "NEW ") \
EM(netfs_sreq_trace_put_abandon, "PUT ABANDON") \