netstar pushed a commit to branch master.
http://git.enlightenment.org/apps/evisum.git/commit/?id=779af23183f02e4d4c4d9ad6798ef2bc44b9a81d
commit 779af23183f02e4d4c4d9ad6798ef2bc44b9a81d
Author: Alastair Poole <nets...@gmail.com>
Date: Sun Sep 6 14:09:28 2020 +0100
linux: current cpu freq.
Not sure if there is a 3rd fallback...
---
src/bin/system/machine/cpu.bogox | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/src/bin/system/machine/cpu.bogox b/src/bin/system/machine/cpu.bogox
index 8e9999c..0695c59 100644
--- a/src/bin/system/machine/cpu.bogox
+++ b/src/bin/system/machine/cpu.bogox
@@ -294,7 +294,39 @@ system_cpu_frequency_get(void)
if (sysctl(mib, sizeof(mib), &freq, &len, NULL, 0) != -1)
freq *= 1000;
#elif defined(__linux__)
+ FILE *f;
+ char buf[4096];
+ int tmp;
+
+ f = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
+ if (f)
+ {
+ if (fgets(buf, sizeof(buf), f))
+ {
+ tmp = strtol(buf, NULL, 10);
+ if (!((tmp == LONG_MIN || tmp == LONG_MAX) && errno == ERANGE))
+ freq = tmp;
+ }
+ fclose(f);
+ if (freq != -1) return freq;
+ }
+
+ f = fopen("/proc/cpuinfo", "r");
+ if (!f) return freq;
+ while (fgets(buf, sizeof(buf), f))
+ {
+ if (!strncasecmp(buf, "cpu MHz", 7))
+ {
+ char *s = strchr(buf, ':') + 1;
+ tmp = strtol(s, NULL, 10);
+ if (!((tmp == LONG_MIN || tmp == LONG_MAX) && errno == ERANGE))
+ tmp *= 1000;
+ break;
+ }
+ }
+
+ fclose(f);
#else
#endif
--
