diff options
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 1866705e..12ae2e6 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1129,6 +1129,10 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) if ((s64)duration_ns > pid_params.sample_rate_ns * 3) { sample_ratio = div_fp(pid_params.sample_rate_ns, duration_ns); core_busy = mul_fp(core_busy, sample_ratio); + } else { + sample_ratio = div_fp(100 * cpu->sample.mperf, cpu->sample.tsc); + if (sample_ratio < int_tofp(1)) + core_busy = 0; } cpu->sample.busy_scaled = core_busy; |
