On Tuesday 19 November 2013 11:10 AM, Viresh Kumar wrote:
> diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
> index 4cf0d28..ebb21cd 100644
> --- a/drivers/cpufreq/cpufreq_stats.c
> +++ b/drivers/cpufreq/cpufreq_stats.c
> @@ -72,9 +72,13 @@ static ssize_t show_time_in_state(struct cpufreq_policy
> *policy, char *buf)
> return 0;
> cpufreq_stats_update(stat->cpu);
> for (i = 0; i < stat->state_num; i++) {
> - len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
> - (unsigned long long)
> - jiffies_64_to_clock_t(stat->time_in_state[i]));
> + if (stat->freq_table[i] == -1)
> + return sprintf(buf + len, "unknown");
> + else
> + return sprintf(buf + len, "%u", stat->freq_table[i]);
> +
> + len += sprintf(buf + len, " %llu\n", (unsigned long long)
> + jiffies_64_to_clock_t(stat->time_in_state[i]));
> }
> return len;
Somehow I forgot to add below fix with this patch, which I have tested at that
time.
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index ebb21cd..89012d1 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -73,9 +73,9 @@ static ssize_t show_time_in_state(struct cpufreq_policy
*policy, char *buf)
cpufreq_stats_update(stat->cpu);
for (i = 0; i < stat->state_num; i++) {
if (stat->freq_table[i] == -1)
- return sprintf(buf + len, "unknown");
+ len+= sprintf(buf + len, "unknown");
else
- return sprintf(buf + len, "%u", stat->freq_table[i]);
+ len+= sprintf(buf + len, "%u", stat->freq_table[i]);
len += sprintf(buf + len, " %llu\n", (unsigned long long)
jiffies_64_to_clock_t(stat->time_in_state[i]));
--
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