CPU1 is always offline

Error message

  • Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 1439 of /home/cqhuapyt/www/android/includes/bootstrap.inc).
  • Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 1439 of /home/cqhuapyt/www/android/includes/bootstrap.inc).
Submitted by 3c on Fri, 07/20/2012 - 08:46
Forums:

This is actually a feature called hotplug switching all cores except the first one (CPU0) offline to save battery.

Other cores will be put online only when necessary, eg when CPU load increases beyond a predefined treshold.