linux-kernel - Why do I have a /sys/devices/system/cpu/cpuidle under kernel 2.6.24 with a Pentium M processor ?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <200801311400.17811.toralf.foerster@gmx.de>
Date:	Thu, 31 Jan 2008 14:00:14 +0100
From:	Toralf Förster <toralf.foerster@....de>
To:	linux-kernel@...r.kernel.org
Subject: Why do I have a /sys/devices/system/cpu/cpuidle under kernel 2.6.24 with a Pentium M processor ?

I'm asking b/c this confuses the current sysstat up to version 8.0.4. An

$ ls -lR /sys/devices/system/cpu/

gives :

/sys/devices/system/cpu/:
total 0
drwxr-xr-x 4 root root 0 Jan 30 09:36 cpu0
drwxr-xr-x 2 root root 0 Jan 30 09:36 cpuidle

/sys/devices/system/cpu/cpu0:
total 0
drwxr-xr-x 3 root root 0 Jan 30 09:36 cpufreq
drwxr-xr-x 5 root root 0 Jan 30 09:36 cpuidle

/sys/devices/system/cpu/cpu0/cpufreq:
total 0
-r--r--r-- 1 root root 4096 Jan 30 09:36 affected_cpus
-r-------- 1 root root 4096 Jan 30 09:36 cpuinfo_cur_freq
-r--r--r-- 1 root root 4096 Jan 30 09:36 cpuinfo_max_freq
-r--r--r-- 1 root root 4096 Jan 30 09:36 cpuinfo_min_freq
drwxr-xr-x 2 root root    0 Jan 30 09:36 ondemand
-r--r--r-- 1 root root 4096 Jan 30 09:36 scaling_available_frequencies
-r--r--r-- 1 root root 4096 Jan 30 09:36 scaling_available_governors
-r--r--r-- 1 root root 4096 Jan 30 09:36 scaling_cur_freq
-r--r--r-- 1 root root 4096 Jan 30 09:36 scaling_driver
-rw-r--r-- 1 root root 4096 Jan 30 09:36 scaling_governor
-rw-r--r-- 1 root root 4096 Jan 30 09:36 scaling_max_freq
-rw-r--r-- 1 root root 4096 Jan 30 09:36 scaling_min_freq

/sys/devices/system/cpu/cpu0/cpufreq/ondemand:
total 0
-rw-r--r-- 1 root root    0 Jan 30 09:36 ignore_nice_load
-rw-r--r-- 1 root root 4096 Jan 30 09:36 powersave_bias
-rw-r--r-- 1 root root 4096 Jan 30 09:36 sampling_rate
-r--r--r-- 1 root root 4096 Jan 30 09:36 sampling_rate_max
-r--r--r-- 1 root root 4096 Jan 30 09:36 sampling_rate_min
-rw-r--r-- 1 root root 4096 Jan 30 09:36 up_threshold

/sys/devices/system/cpu/cpu0/cpuidle:
total 0
drwxr-xr-x 2 root root 0 Jan 30 09:36 state0
drwxr-xr-x 2 root root 0 Jan 30 09:36 state1
drwxr-xr-x 2 root root 0 Jan 30 09:36 state2

/sys/devices/system/cpu/cpu0/cpuidle/state0:
total 0
-r--r--r-- 1 root root 4096 Jan 30 09:36 latency
-r--r--r-- 1 root root 4096 Jan 30 09:36 name
-r--r--r-- 1 root root 4096 Jan 30 09:36 power
-r--r--r-- 1 root root 4096 Jan 30 09:36 time
-r--r--r-- 1 root root 4096 Jan 30 09:36 usage

/sys/devices/system/cpu/cpu0/cpuidle/state1:
total 0
-r--r--r-- 1 root root 4096 Jan 30 09:36 latency
-r--r--r-- 1 root root 4096 Jan 30 09:36 name
-r--r--r-- 1 root root 4096 Jan 30 09:36 power
-r--r--r-- 1 root root 4096 Jan 30 09:36 time
-r--r--r-- 1 root root 4096 Jan 30 09:36 usage

/sys/devices/system/cpu/cpu0/cpuidle/state2:
total 0
-r--r--r-- 1 root root 4096 Jan 30 09:36 latency
-r--r--r-- 1 root root 4096 Jan 30 09:36 name
-r--r--r-- 1 root root 4096 Jan 30 09:36 power
-r--r--r-- 1 root root 4096 Jan 30 09:36 time
-r--r--r-- 1 root root 4096 Jan 30 09:36 usage

/sys/devices/system/cpu/cpuidle:
total 0
-r--r--r-- 1 root root 4096 Jan 30 09:36 current_driver
-r--r--r-- 1 root root 4096 Jan 30 09:36 current_governor_ro

-- 
MfG/Sincerely

Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

Download attachment "signature.asc " of type "application/pgp-signature" (190 bytes)