-
Stephane Gasparini authored
When a process is doing Random Write with O_DSYNC flag the I/O wait are not accounted in the kernel (get_cpu_iowait_time_us). This is preventing the governor or the cpufreq driver to account for I/O wait and thus use the right pstate Signed-off-by:
Stephane Gasparini <stephane.gasparini@linux.intel.com> Signed-off-by:
Philippe Longepe <philippe.longepe@linux.intel.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
d57d6115