• State Suggested Answer
  • Locked Locked
  • Replies 5 replies
  • Answers 1 answer
  • Subscribers 120 subscribers
  • Views 2504 views
  • Users 0 members are here
Options
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

ARM processor PMU counters not configured

xiaoyuan

I met an issue when I do profile with DS, the number and instructions and L1/L2 cache is zero.

the warning info is

 

CONFIG_HW_PERF_EVENTS flag is yes. Any suggestions ?

$ zcat /proc/config.gz | grep CONFIG_HW_PERF_EVENTS

CONFIG_HW_PERF_EVENTS=y

0