Mutex block

Count     nsec Lock                         Caller
-------------------------------------------------------------------------------
    1  2868500 libc.so.1`libc_malloc_lock   libjava.so`JNU_ReleaseStringPlatform
Cha
    3  1420733 libc.so.1`libc_malloc_lock   libzip.so`Java_java_util_zip_Deflate
r_d
    1  1050900 libc.so.1`libc_malloc_lock   0xfe9f63b8