WSU pTop is a simple and effcient process-level power profiling tool

$ls conf doc makefile objects.mk sources.mk src $make all cc -c -o src/avltree.o src/avltree.c In file included from src/avltree.c:12:0: src/eperf.h: In function ‘sys_perf_event_open’: src/eperf.h:32:17: error: ‘__NR_perf_counter_open’ undeclared (first use in this function) return syscall(__NR_perf_counter_open, attr, pid, cpu, group_fd, flags); ^ src/eperf.h:32:17: note: each undeclared identifier is reported only once for each function it appears in …