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| author | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
| commit | d7be0ce6afb1df60bc786f57410407ceae92b994 (patch) | |
| tree | 5e91acfc12c833531ad3320f274e0cd96a129973 /drivers/cpufreq/cpufreq_conservative.c | |
| parent | e08cae4181af9483b04ecfac48f01c8e5a5f27bf (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
| download | lwn-d7be0ce6afb1df60bc786f57410407ceae92b994.tar.gz lwn-d7be0ce6afb1df60bc786f57410407ceae92b994.zip | |
Merge commit 'v2.6.34-rc6' into x86/cpu
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index ce5248e04218..526bfbf69611 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -428,6 +428,7 @@ static struct attribute_group dbs_attr_group_old = { static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) { unsigned int load = 0; + unsigned int max_load = 0; unsigned int freq_target; struct cpufreq_policy *policy; @@ -485,6 +486,9 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) continue; load = 100 * (wall_time - idle_time) / wall_time; + + if (load > max_load) + max_load = load; } /* @@ -495,7 +499,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) return; /* Check for frequency increase */ - if (load > dbs_tuners_ins.up_threshold) { + if (max_load > dbs_tuners_ins.up_threshold) { this_dbs_info->down_skip = 0; /* if we are already at full speed then break out early */ @@ -522,7 +526,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * can support the current CPU usage without triggering the up * policy. To be safe, we focus 10 points under the threshold. */ - if (load < (dbs_tuners_ins.down_threshold - 10)) { + if (max_load < (dbs_tuners_ins.down_threshold - 10)) { freq_target = (dbs_tuners_ins.freq_step * policy->max) / 100; this_dbs_info->requested_freq -= freq_target; |