tree 1ffec09fb79ad3d1106ac9ba85329eb5ed28a7dc
parent 91a4a56506bdcdab7142788337d63df668839617
author Steven Rostedt <srostedt@redhat.com> 1263566167 -0500
committer Steven Rostedt <rostedt@goodmis.org> 1263566167 -0500

trace-cmd: Handle empty CPUs without crashing

The get_page() needs to return -1 on reading a CPU that has no
data.

Also added checks of get_page() return status that was missing
from some callers.

Have tracecmd_set_cpu_to_timestamp() also return -1 when reading an
empty CPU.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>