[Wed Jan 14 11:20:20 UTC 2026] respawn: 0: starting: /data/bpftrace/udp_sendmsg_delay.sh
+ pidof osmo-bts-trx
+ bpftrace /data/bpftrace/udp_sendmsg_delay.bt -p 8 --unsafe osmo-bts-trx
lsof output:
COMMAND   PID USER   FD   TYPE FILE-FLAG DEVICE SIZE/OFF       NODE NAME
udp_sendm  24 root  cwd    DIR              9,3     4096   13773060 /data
udp_sendm  24 root  rtd    DIR             0,86     4096   16916558 /
udp_sendm  24 root  txt    REG             0,86   125640   12470523 /usr/bin/dash
udp_sendm  24 root  mem    REG              9,3            12470523 /usr/bin/dash (path dev=0,86)
udp_sendm  24 root  mem    REG              9,3            12471176 /usr/lib/x86_64-linux-gnu/libc.so.6 (path dev=0,86)
udp_sendm  24 root  mem    REG              9,3            12471158 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 (path dev=0,86)
udp_sendm  24 root    0r   CHR        LG    1,3      0t0         17 /dev/null
udp_sendm  24 root    1w  FIFO         W   0,13      0t0 1876705190 pipe
udp_sendm  24 root    2w  FIFO         W   0,13      0t0 1876705191 pipe
udp_sendm  24 root   10r   REG     LG,CX    9,3      106   13773075 /data/bpftrace/udp_sendmsg_delay.sh
maps output:
563b77502000-563b77506000 r--p 00000000 09:03 12470523                   /usr/bin/dash
563b77506000-563b77519000 r-xp 00004000 09:03 12470523                   /usr/bin/dash
563b77519000-563b7751f000 r--p 00017000 09:03 12470523                   /usr/bin/dash
563b7751f000-563b77521000 r--p 0001c000 09:03 12470523                   /usr/bin/dash
563b77521000-563b77522000 rw-p 0001e000 09:03 12470523                   /usr/bin/dash
563b77522000-563b77524000 rw-p 00000000 00:00 0 
563ba0bf1000-563ba0c12000 rw-p 00000000 00:00 0                          [heap]
7f553f075000-7f553f078000 rw-p 00000000 00:00 0 
7f553f078000-7f553f09e000 r--p 00000000 09:03 12471176                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f553f09e000-7f553f1f4000 r-xp 00026000 09:03 12471176                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f553f1f4000-7f553f247000 r--p 0017c000 09:03 12471176                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f553f247000-7f553f24b000 r--p 001cf000 09:03 12471176                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f553f24b000-7f553f24d000 rw-p 001d3000 09:03 12471176                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f553f24d000-7f553f25a000 rw-p 00000000 00:00 0 
7f553f267000-7f553f269000 rw-p 00000000 00:00 0 
7f553f269000-7f553f26a000 r--p 00000000 09:03 12471158                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f553f26a000-7f553f290000 r-xp 00001000 09:03 12471158                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f553f290000-7f553f29a000 r--p 00027000 09:03 12471158                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f553f29a000-7f553f29c000 r--p 00031000 09:03 12471158                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f553f29c000-7f553f29e000 rw-p 00033000 09:03 12471158                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7ffc8ac44000-7ffc8ac65000 rw-p 00000000 00:00 0                          [stack]
7ffc8ad57000-7ffc8ad5b000 r--p 00000000 00:00 0                          [vvar]
7ffc8ad5b000-7ffc8ad5d000 r-xp 00000000 00:00 0                          [vdso]