for reasons unknown, the process perf object sometimes comes back with the counter titles but no instances. this would crash the agent.  | 
			||
|---|---|---|
| .. | ||
| os | ||
| sigar_fileinfo.c | ||
| sigar_getline.c | ||
| sigar_util.c | ||
| sigar.c | ||
				for reasons unknown, the process perf object sometimes comes back with the counter titles but no instances. this would crash the agent.  | 
			||
|---|---|---|
| .. | ||
| os | ||
| sigar_fileinfo.c | ||
| sigar_getline.c | ||
| sigar_util.c | ||
| sigar.c | ||