Comment # 7 on bug 1196060 from Tony Jones

# strace -o /tmp/log stap --poison-cache -l
'module("ext4").function("write_mmp_block")'

# grep ext4 /tmp/log
execve("/bin/stap", ["stap", "--poison-cache", "-l",
"module(\"ext4\").function(\"write_m"...], 0x7ffc2a83d928 /* 62 vars */) = 0
newfstatat(AT_FDCWD, "/lib/modules/5.16.10-1-default/kernel/fs/ext4",
{st_mode=S_IFDIR|0755, st_size=4096, ...}, 0) = 0
openat(AT_FDCWD, "/lib/modules/5.16.10-1-default/kernel/fs/ext4",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(AT_FDCWD, "/lib/modules/5.16.10-1-default/kernel/fs/ext4/ext4.ko",
{st_mode=S_IFREG|0644, st_size=1972179, ...}, 0) = 0
newfstatat(AT_FDCWD,
"/lib/modules/5.16.10-1-default/kernel/fs/ext4/ext4.ko.zst",
{st_mode=S_IFREG|0644, st_size=476572, ...}, 0) = 0


[I manually uncompressed ext4.ko.zst -> ext4.ko]