[Wed Jan 21 09:00:49 UTC 2026] respawn: 0: starting: /data/bpftrace/sys_write_delay.sh
+ pidof osmo-bts-trx
+ bpftrace --no-warnings /data/bpftrace/sys_write_delay.bt -p 9 osmo-bts-trx
ERROR: No BTF found for shmem_file_write_iter.
ERROR: Unable to attach probe: fentry:shmem_file_write_iter. If this is expected, set the 'missing_probes' config variable to 'warn'.
lsof output:
maps output:
cat: /proc/27/maps: No such file or directory
[Wed Jan 21 09:00:54 UTC 2026] respawn: 0: stopped pid 27 with status 255
[Wed Jan 21 09:00:54 UTC 2026] respawn: sleeping 1 seconds...
[Wed Jan 21 09:00:55 UTC 2026] respawn: 1: starting: /data/bpftrace/sys_write_delay.sh
+ pidof osmo-bts-trx
+ bpftrace --no-warnings /data/bpftrace/sys_write_delay.bt -p 9 osmo-bts-trx
ERROR: No BTF found for shmem_file_write_iter.
ERROR: Unable to attach probe: fentry:shmem_file_write_iter. If this is expected, set the 'missing_probes' config variable to 'warn'.
lsof output:
maps output:
cat: /proc/61/maps: No such file or directory
[Wed Jan 21 09:01:00 UTC 2026] respawn: 1: stopped pid 61 with status 255
[Wed Jan 21 09:01:00 UTC 2026] respawn: sleeping 1 seconds...
[Wed Jan 21 09:01:01 UTC 2026] respawn: 2: starting: /data/bpftrace/sys_write_delay.sh
+ pidof osmo-bts-trx
+ bpftrace --no-warnings /data/bpftrace/sys_write_delay.bt -p 9 osmo-bts-trx
ERROR: No BTF found for shmem_file_write_iter.
ERROR: Unable to attach probe: fentry:shmem_file_write_iter. If this is expected, set the 'missing_probes' config variable to 'warn'.
lsof output:
maps output:
cat: /proc/80/maps: No such file or directory
[Wed Jan 21 09:01:06 UTC 2026] respawn: 2: stopped pid 80 with status 255
[Wed Jan 21 09:01:06 UTC 2026] respawn: sleeping 1 seconds...
[Wed Jan 21 09:01:07 UTC 2026] respawn: 3: starting: /data/bpftrace/sys_write_delay.sh
+ pidof osmo-bts-trx
+ bpftrace --no-warnings /data/bpftrace/sys_write_delay.bt -p 9 osmo-bts-trx
Terminated