Hi,
thanks for your patch!
What do you all think of adding this as a patch to the wiki?
Or is this rather something that more people wish of being included into
the codebase?
Cheers!
Aaron
On 20-11-11 Wed, Platon Ryzhikov wrote:
>This is especially useful for ARM SoCs with different cores
>
>---
> components/cpu.c | 27 +++++++++++++++++++++------
> config.def.h | 4 +++-
> 2 files changed, 24 insertions(+), 7 deletions(-)
>
>diff --git a/components/cpu.c b/components/cpu.c
>index 9e28003..c326297 100644
>--- a/components/cpu.c
>+++ b/components/cpu.c
>_AT_@ -7,16 +7,31 @@
>
> #if defined(__linux__)
> const char *
>- cpu_freq(void)
>+ cpu_freq(const char *range)
> {
>- uintmax_t freq;
>-
>- /* in kHz */
>- if (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/"
>- "scaling_cur_freq", "%ju", &freq) != 1) {
>+ uintmax_t freq, sum_freq;
>+ static unsigned int i, cpu0, ncpus;
>+
>+ sum_freq = 0;
>+ /* define first cpu in cluster and their number */
>+ if (!range) {
>+ cpu0 = 0;
>+ ncpus = 1;
>+ } else if (sscanf(range, "%u %u", &cpu0, &ncpus) != 2) {
> return NULL;
> }
>
>+ for (i = cpu0; i < cpu0 + ncpus; i += 1) {
>+ /* in kHz */
>+ if (pscanf(bprintf("/sys/devices/system/cpu/cpu%d/cpufreq/"
>+ "scaling_cur_freq", i), "%ju", &freq) != 1) {
>+ return NULL;
>+ }
>+ sum_freq += freq;
>+ }
>+
>+ freq = (double)sum_freq/(double)ncpus;
>+
> return fmt_human(freq * 1000, 1000);
> }
>
>diff --git a/config.def.h b/config.def.h
>index e06be66..6554bb3 100644
>--- a/config.def.h
>+++ b/config.def.h
>_AT_@ -19,7 +19,9 @@ static const char unknown_str[] = "n/a";
> * battery_remaining battery remaining HH:MM battery name (BAT0)
> * NULL on OpenBSD/FreeBSD
> * cpu_perc cpu usage in percent NULL
>- * cpu_freq cpu frequency in MHz NULL
>+ * cpu_freq cpu frequency in MHz string "first_cpu ncpus"
>+ * "0 2" means cpu0+cpu1
>+ * NULL on OpenBSD/FreeBSD
> * datetime date and time format string (%F %T)
> * disk_free free disk space in GB mountpoint path (/)
> * disk_perc disk usage in percent mountpoint path (/)
>--
>2.29.2
>
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Received on Mon Nov 30 2020 - 21:09:48 CET