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I've started it > (before rebooting the system) to see how much disk space would be in > use by having it running. > When I stopped it and ran "trace-cmd report", it showed a lot of > [FAILED TO PARSE] lines, such as: > > nfsd-6279 [035] 2560643.942059: nfsd_cb_queue: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245597 > cb=0xffff94488e9c8d90 need_restart=0 addr=ARRAY[] > kworker/u192:4-4169949 [032] 2560643.942079: nfsd_cb_start: > [FAILED TO PARSE] state=0x1 cl_boot=1734210227 cl_id=1829245597 > addr=ARRAY[] > kworker/u192:4-4169949 [032] 2560643.942081: nfsd_cb_bc_update: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245597 > cb=0xffff94488e9c8d90 need_restart=0 addr=ARRAY[] > kworker/u192:4-4169949 [032] 2560643.942082: nfsd_cb_destroy: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245597 > cb=0xffff94488e9c8d90 need_restart=0 addr=ARRAY[] > nfsd-6328 [028] 2560643.942503: nfsd_cb_probe: > [FAILED TO PARSE] state=0x1 cl_boot=1734210227 cl_id=1829245598 > addr=ARRAY[02, 00, 00, 00, 0a, 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, > 00] > nfsd-6328 [028] 2560643.942504: nfsd_cb_queue: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245598 > cb=0xffff94488e9c8300 need_restart=0 addr=ARRAY[02, 00, 00, 00, 0a, > 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, 00] > kworker/u192:4-4169949 [032] 2560643.942515: nfsd_cb_start: > [FAILED TO PARSE] state=0x1 cl_boot=1734210227 cl_id=1829245598 > addr=ARRAY[02, 00, 00, 00, 0a, 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, > 00] > kworker/u192:4-4169949 [032] 2560643.942515: nfsd_cb_bc_update: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245598 > cb=0xffff94488e9c8300 need_restart=0 addr=ARRAY[02, 00, 00, 00, 0a, > 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, 00] > kworker/u192:4-4169949 [032] 2560643.942769: nfsd_cb_setup: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245598 authflavor=0x1 > addr=ARRAY[02, 00, 00, 00, 0a, 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, > 00] netid=tcp > kworker/u192:4-4169949 [032] 2560643.942770: nfsd_cb_new_state: > [FAILED TO PARSE] state=0x0 cl_boot=1734210227 cl_id=1829245598 > addr=ARRAY[02, 00, 00, 00, 0a, 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, > 00] > kworker/u192:4-4169949 [032] 2560643.942770: nfsd_cb_destroy: > [FAILED TO PARSE] cl_boot=1734210227 cl_id=1829245598 > cb=0xffff94488e9c8300 need_restart=0 addr=ARRAY[02, 00, 00, 00, 0a, > 57, 18, a4, 00, 00, 00, 00, 00, 00, 00, 00] > > Is there any additional option I need to specify, or can these items be ignored? Nope. This means your distribution's user space tracing libraries are old. The part of these records that failed to parse are the IP addresses which aren't important for the current exercise. -- Chuck Lever