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engine=8.12.0-2505160000 definitions=main-2506130115 X-Proofpoint-GUID: 59izf5uP8KD0PM4EXMRWlyL3wWx2sHn6 X-Authority-Analysis: v=2.4 cv=GcEXnRXL c=1 sm=1 tr=0 ts=684c4a77 b=1 cx=c_pps a=qoll8+KPOyaMroiJ2sR5sw==:117 a=qoll8+KPOyaMroiJ2sR5sw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=GoEa3M9JfhUA:10 a=VwQbUJbxAAAA:8 a=meVymXHHAAAA:8 a=lLCtw7i1Pa25jaGNytkA:9 a=QEXdDO2ut3YA:10 a=2JgSa4NbpEOStq-L5dxp:22 cc=ntf awl=host:13207 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjEzMDExNiBTYWx0ZWRfX8Fkf8XLNjha1 fj2aJUBT4jKtY2EhAattxcKZgqebQ1CHFlyfR9ap3qrQUsYWoqQF0+dlbYJoDI7uPbny9p3Ylhi J9D8+cy57PjW0ouDrRxAAZOHV7RrXGMjqzxgTNbaJdm8Qp280pBLMfsAXxOpNiNsvrmst0V1jpK kN6E5aaOizCsDXgoP5n0BzmYLXy60dZNTms6gRtSZ4IqrvZx8ocBGxj1rRw1Sr/+cdZOQ1DdtA/ rfXYRf+jqeiupHn6mECK0sr1y+jOMw+bvvpcF13TFAG1YaNO3iPOr5f8XncTy7WotlEz2B8DLQo Dm+u3FfuXAouvee4DvDNH1RvHeWzx7mHtONnUS6aCIl3UJ1zEO/yK57VIBObgVHDUmu2ldLnZw9 pkUSWDgOKb5QKzp3qkZVZoUFsZHsvxm3/NmN5Q9SSIJyzwZeuqjxcjumvcYPlWWXmeyrei6r X-Proofpoint-ORIG-GUID: 59izf5uP8KD0PM4EXMRWlyL3wWx2sHn6 On 6/12/25 9:58 PM, Steven Rostedt wrote: > I have code that will trigger a warning if a trace event is defined but > not used[1]. It gives a list of unused events. Here's what I have in nfs > and nfsd: > > warning: tracepoint 'nfs4_renew' is unused. > warning: tracepoint 'nfs4_rename' is unused. > warning: tracepoint 'nfsd_file_unhash_and_queue' is unused. > warning: tracepoint 'nfsd_file_lru_add_disposed' is unused. > warning: tracepoint 'nfsd_file_lru_del_disposed' is unused. > warning: tracepoint 'nfsd_file_gc_recent' is unused. > warning: tracepoint 'nfsd_ctl_maxconn' is unused. > > nfs4_renew looks to never have been used. > > trace_nfs4_rename() was removed by 33912be816d9 ("nfs: remove > synchronous rename code") but did not remove the event. > > trace_nfsd_file_unhash_and_queue() was removed by ac3a2585f01 ("nfsd: > rework refcounting in filecache") > > Events nfsd_file_lru_add_disposed and nfsd_file_lru_del_disposed were > added by 4a0e73e635e3 ("NFSD: Leave open files out of the filecache > LRU") but they were never used. > > Event nfsd_file_gc_recent was added by 64912122a4f8 ("nfsd: filecache: > introduce NFSD_FILE_RECENT") but never used. > > trace_nfsd_ctl_maxconn() was removed by a4b853f183a1 ("sunrpc: remove > all connection limit configuration") but did not remove the event. > > -- Steve > > [1] https://lore.kernel.org/linux-trace-kernel/20250612235827.011358765@goodmis.org/ Thanks for the report. I'll clean up the NFSD-related tracepoints for the v6.17 merge window. -- Chuck Lever