For long running binaries which may have been replaced or deleted, today
perf top spits out a warning and doesn't show anything. For eg:
test.c:
main()
{
while(1);
}
gcc -O2 test.c -o test
./test &
gcc -O2 test.c -o test # overwrite the binary
perf top -p <pid>
shows nothing. It could instead show:
100% <unresolved> test
like perf record/report would show for the same test case. Comments?
-Arun
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