node   439/439     333.181296:    1001001 cpu-clock:ppp: 
	            99c7 [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)
	            e410 [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)
	           1dc98 [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)
	           1a22e [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)
	           1bbab [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)
	           1aa57 [unknown] (/usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2)

node   439/439     333.182295:    1001001 cpu-clock:ppp: addr2line /usr/lib/x86_64-linux-gnu/libc.so.6: could not read first record
addr2line /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.30: could not read first record
addr2line /root/.debug/.build-id/ec/9c1cc13f942db3e300931a3a88fa33e22d6713/elf: could not read first record