libbpf-tools: Fix klockstat when CONFIG_DEBUG_LOCK_ALLOC is set
libbpf-tools: Fix klockstat when CONFIG_DEBUG_LOCK_ALLOC is set

When CONFIG_DEBUG_LOCK_ALLOC is set ([0]), mutex_lock, mutex_lock_interruptible
and mutex_lock_killable become macro defines and gone from ksyms. Let's use
the *_nested functions as tracing targets instead.

  [0]: https://github.com/torvalds/linux/blob/df0cc57e057f18e44dac8e6c18aba47ab53202f9/include/linux/mutex.h#L177-L209

Signed-off-by: Hengqi Chen <2146682b4c3fe4aa97c809745b7d5be9e6165e06@outlook.com>

iovisor/bcc,iovisor/bcc,iovisor/bcc,iovisor/bcc,iovisor/bcc