address intel#618

Author: opcm

doc/DOCKER_README.md

@@ -5,7 +5,7 @@ How To Run Intel(r) Performance Counter Monitor Server Container from GitHub Con
 As root user:
 1. ``modprobe msr``
 2. ``docker run -d --name pcm --privileged -p 9738:9738 ghcr.io/opcm/pcm`` (GitHub Container repository) or ``docker run -d --name pcm --privileged -p 9738:9738 opcm/pcm`` (Dockerhub repository)
-   - the container can also be run with limited capabilities without the privileged mode: ``docker run -d --name pcm --cap-add=SYS_ADMIN --cap-add=SYS_RAWIO --device=/dev/cpu --device=/dev/mem -v /sys/firmware/acpi/tables/MCFG:/pcm/sys/firmware/acpi/tables/MCFG:ro -v /proc/bus/pci/:/pcm/proc/bus/pci/ -v /proc/sys/kernel/nmi_watchdog:/pcm/proc/sys/kernel/nmi_watchdog -p 9738:9738 ghcr.io/opcm/pcm`` (there is also a docker-compose file containing these options: https://raw.githubusercontent.com/opcm/pcm/master/docker-compose.yml)
+   - the container can also be run with limited capabilities without the privileged mode: ``docker run -d --name pcm --cap-add=SYS_ADMIN --cap-add=SYS_RAWIO --device=/dev/cpu --device=/dev/mem -v /sys/firmware/acpi/tables/MCFG:/pcm/sys/firmware/acpi/tables/MCFG:ro -v /proc/bus/pci/:/pcm/proc/bus/pci/ -v /proc/sys/kernel/nmi_watchdog:/pcm/proc/sys/kernel/nmi_watchdog -v /sys:/sys:rw -p 9738:9738 ghcr.io/opcm/pcm`` (there is also a docker-compose file containing these options: https://raw.githubusercontent.com/opcm/pcm/master/docker-compose.yml)
 
 This will start pcm-sensor-server container exposing CPU metrics from the whole system at port 9738 
 

docker-compose.yml

@@ -8,6 +8,7 @@ services:
            - "/sys/firmware/acpi/tables/MCFG:/pcm/sys/firmware/acpi/tables/MCFG:ro"
            - "/proc/bus/pci/:/pcm/proc/bus/pci/"
            - "/proc/sys/kernel/nmi_watchdog:/pcm/proc/sys/kernel/nmi_watchdog"
+           - "/sys:/sys:rw"
        cap_add:
            - SYS_ADMIN
            - SYS_RAWIO