[Thu Jan 22 08:55:35 UTC 2026] respawn: 0: starting: /data/bpftrace/udp_sendmsg_delay.sh
+ pidof osmo-bts-trx
+ bpftrace /data/bpftrace/udp_sendmsg_delay.bt -v -p 9 osmo-bts-trx
lsof output:
COMMAND   PID USER  FD   TYPE FILE-FLAG DEVICE SIZE/OFF     NODE NAME
udp_sendm  25 root cwd    DIR              9,3     4096 13773870 /data
udp_sendm  25 root rtd    DIR            0,144     4096 19934925 /
udp_sendm  25 root txt    REG            0,144   129736  7647243 /usr/bin/dash
udp_sendm  25 root mem    REG              9,3           7647243 /usr/bin/dash (path dev=0,144)
udp_sendm  25 root mem    REG              9,3           7647837 /usr/lib/x86_64-linux-gnu/libc.so.6 (path dev=0,144)
udp_sendm  25 root mem    REG              9,3           7647817 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 (path dev=0,144)
udp_sendm  25 root   0r   CHR        LG    1,3      0t0       15 /dev/null
udp_sendm  25 root   1w  FIFO         W   0,13      0t0 36500649 pipe
udp_sendm  25 root   2w  FIFO         W   0,13      0t0 36500650 pipe
udp_sendm  25 root  10r   REG     LG,CX    9,3      100 13773939 /data/bpftrace/udp_sendmsg_delay.sh
maps output:
55b81eb69000-55b81eb6d000 r--p 00000000 09:03 7647243                    /usr/bin/dash
55b81eb6d000-55b81eb81000 r-xp 00004000 09:03 7647243                    /usr/bin/dash
55b81eb81000-55b81eb87000 r--p 00018000 09:03 7647243                    /usr/bin/dash
55b81eb87000-55b81eb89000 r--p 0001d000 09:03 7647243                    /usr/bin/dash
55b81eb89000-55b81eb8a000 rw-p 0001f000 09:03 7647243                    /usr/bin/dash
55b81eb8a000-55b81eb8c000 rw-p 00000000 00:00 0 
55b851e86000-55b851ea7000 rw-p 00000000 00:00 0                          [heap]
7f209de1f000-7f209de22000 rw-p 00000000 00:00 0 
7f209de22000-7f209de4a000 r--p 00000000 09:03 7647837                    /usr/lib/x86_64-linux-gnu/libc.so.6
7f209de4a000-7f209dfae000 r-xp 00028000 09:03 7647837                    /usr/lib/x86_64-linux-gnu/libc.so.6
7f209dfae000-7f209e004000 r--p 0018c000 09:03 7647837                    /usr/lib/x86_64-linux-gnu/libc.so.6
7f209e004000-7f209e008000 r--p 001e1000 09:03 7647837                    /usr/lib/x86_64-linux-gnu/libc.so.6
7f209e008000-7f209e00a000 rw-p 001e5000 09:03 7647837                    /usr/lib/x86_64-linux-gnu/libc.so.6
7f209e00a000-7f209e017000 rw-p 00000000 00:00 0 
7f209e025000-7f209e027000 rw-p 00000000 00:00 0 
7f209e027000-7f209e028000 r--p 00000000 09:03 7647817                    /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f209e028000-7f209e050000 r-xp 00001000 09:03 7647817                    /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f209e050000-7f209e05b000 r--p 00029000 09:03 7647817                    /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f209e05b000-7f209e05d000 r--p 00034000 09:03 7647817                    /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f209e05d000-7f209e05e000 rw-p 00036000 09:03 7647817                    /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f209e05e000-7f209e05f000 rw-p 00000000 00:00 0 
7fff41b9f000-7fff41bc0000 rw-p 00000000 00:00 0                          [stack]
7fff41bc9000-7fff41bcd000 r--p 00000000 00:00 0                          [vvar]
7fff41bcd000-7fff41bcf000 r-xp 00000000 00:00 0                          [vdso]