Given:
$ ls -l /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
-r--r--r-- 1 root root 4096 Nov 24 10:07
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
1862000
This hangs:
$ guile -c '(call-with-input-file
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" read)'
Strace shows that the process is hanging in a select. The same thing
works fine for /proc/loadavg.
I haven't investigated further yet.
--
Rob Browning
rlb @defaultvalue.org and @debian.org; previously @cs.utexas.edu
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
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