FYI, we noticed the below changes on git://linux-arm.org/linux-skn acpi_lpi commit 73a092e801e9938496b71acc9434fb33a9d65d34 ("ACPI: tables: simplify acpi_parse_entries")
========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/ip/runtime/nr_threads/cluster/test: lkp-nex04/netperf/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/ipv4/300s/200%/cs-localhost/UDP_RR commit: 34f6273d2bb1ddd7da4f9fe4babc78b0a60ad71f 73a092e801e9938496b71acc9434fb33a9d65d34 34f6273d2bb1ddd7 73a092e801e9938496b71acc94 ---------------- -------------------------- fail:runs %reproduction fail:runs | | | :10 100% 10:10 stderr./lkp/lkp/src/setup/cpufreq_governor:#:/lkp/lkp/src/setup/cpufreq_governor:cannot_create/sys/devices/system/cpu/cpu*/cpufreq/scaling_governor:Directory_nonexistent :10 100% 10:10 last_state.cpufreq_governor.exit_code.2 :10 100% 10:10 last_state.exit_fail :10 100% 10:10 last_state.is_incomplete_run lkp-nex04: Nehalem-EX Memory: 256G In short, the cpufrequ_governor sysfs interface is not available after your commit. Caused ACPI cpufreq driver to stop working? To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang
--- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: netperf default-monitors: wait: activate-monitor kmsg: uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 9568ddba4675103560f78e1525d4d605e1d87311 model: Nehalem-EX memory: 256G nr_cpu: 64 nr_ssd_partitions: 6 ssd_partitions: "/dev/disk/by-id/ata-WDC_WD10EARS-00Y5B1_WD-WCAV5F059074-part1" swap_partitions: "/dev/disk/by-id/ata-WDC_WD10EARS-00Y5B1_WD-WCAV5F059074-part2" category: benchmark ip: ipv4 runtime: 300s nr_threads: 200% perf-profile: freq: 800 cluster: cs-localhost if role server: netserver: if role client: netperf: test: UDP_RR queue: cyclic testbox: lkp-nex04 tbox_group: lkp-nex04 kconfig: x86_64-rhel enqueue_time: 2015-09-15 20:49:52.315197050 +08:00 id: 4d1b45d439da0570b237d2aa3cae834c253a6bbd user: lkp compiler: gcc-4.9 head_commit: 9568ddba4675103560f78e1525d4d605e1d87311 base_commit: 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f branch: linux-devel/devel-hourly-2015091603 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/9568ddba4675103560f78e1525d4d605e1d87311/vmlinuz-4.3.0-rc1-wl-ath-00970-g9568ddb" rootfs: debian-x86_64-2015-02-07.cgz node_roles: server client result_root: "/result/netperf/performance-ipv4-300s-200%-cs-localhost-UDP_RR/lkp-nex04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9568ddba4675103560f78e1525d4d605e1d87311/0" job_file: "/lkp/scheduled/lkp-nex04/cyclic_netperf-performance-ipv4-300s-200%-cs-localhost-UDP_RR-x86_64-rhel-CYCLIC_HEAD-9568ddba4675103560f78e1525d4d605e1d87311-20150915-83542-da4zpv-0.yaml" dequeue_time: 2015-09-16 03:51:24.555683406 +08:00 max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-nex04/cyclic_netperf-performance-ipv4-300s-200%-cs-localhost-UDP_RR-x86_64-rhel-CYCLIC_HEAD-9568ddba4675103560f78e1525d4d605e1d87311-20150915-83542-da4zpv-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015091603 - commit=9568ddba4675103560f78e1525d4d605e1d87311 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/9568ddba4675103560f78e1525d4d605e1d87311/vmlinuz-4.3.0-rc1-wl-ath-00970-g9568ddb - max_uptime=1500 - RESULT_ROOT=/result/netperf/performance-ipv4-300s-200%-cs-localhost-UDP_RR/lkp-nex04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9568ddba4675103560f78e1525d4d605e1d87311/0 - LKP_SERVER=inn - |2- earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/9568ddba4675103560f78e1525d4d605e1d87311/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/netperf.cgz,/lkp/benchmarks/netperf.cgz" job_state: finished loadavg: 1.63 0.36 0.12 1/133 487 start_time: '' end_time: '1442346736' version: "/lkp/lkp/.src-20150915-235159"
echo performance > /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor