Warning:
Processed .* events and lost .* chunks!
Check IO/CPU overload!

couldn't get COMM and pgid, malformed /proc/.*/status
.* out of order events recorded.
Error:
The /tmp/.*/perf.data file has no samples!
Reading /proc/.*/maps time out. You may want to increase the time limit by --proc-map-timeout
.* map information files for pre-existing threads were
not processed, if there are samples for addresses they
will not be resolved, you may find out which are these
threads by running with -v and redirecting the output
to a file.
The time limit to process proc map is too short\?
Increase it by --proc-map-timeout
no symbols found in .*, maybe install a debug package\?
corrupted callchain. skipping...
.* with build id .* not found, continuing without symbols
