[201811][DELL] S6100, Z9100 Last Reboot Reason Watchdog, Thermal Support

[sridhar-ravindran]

- What I did
Added support for Watchdog & Thermal events in Last Reboot Reason "show reboot-cause" command
- How I did it
On branch lrr_watchdog_nov
Your branch is up-to-date with 'upstream/201811'.
Changes to be committed:
(use "git reset HEAD ..." to unstage)

    modified:   files/image_config/platform/rc.local
    modified:   platform/broadcom/sonic-platform-modules-dell/common/platform_reboot
    modified:   platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
    modified:   platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install
    new file:   platform/broadcom/sonic-platform-modules-dell/s6100/scripts/fastboot_plugin
    modified:   platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh
    new file:   platform/broadcom/sonic-platform-modules-dell/s6100/scripts/track_reboot_reason.sh
    modified:   platform/broadcom/sonic-platform-modules-dell/s6100/sonic_platform/chassis.py
    new file:   platform/broadcom/sonic-platform-modules-dell/z9100/scripts/fastboot_plugin
    new file:   platform/broadcom/sonic-platform-modules-dell/z9100/scripts/track_reboot_reason.sh
    modified:   platform/broadcom/sonic-platform-modules-dell/z9100/scripts/z9100_platform.sh
    modified:   platform/broadcom/sonic-platform-modules-dell/z9100/sonic_platform/chassis.py

Added support to track watchdog events and thermal overload of ASIC & CPU

- How to verify it
Added the Unit Test Results.
- Description for the changelog

[DELL] S6100, Z9100 Last Reboot Reason Watchdog, Thermal Support

LRR_UnitTesting_Nov.txt

- A picture of a cute animal (not mandatory but encouraged)

[sujinmkang]

@sridhar-ravindran watchdog reboot reason doesn't work consistently on this branch.
Can you check why it's not working consistently?
++++++++++++++++++++++++++++++++++++++
admin@str-s6100-acs-2:$ show reboot-cause
Unknown
admin@str-s6100-acs-2:$ sudo cat /var/log/syslog | grep -a watchdog0
Sep 27 21:08:24.700974 str-s6100-acs-2 CRIT kernel: [ 629.250819] watchdog: watchdog0: watchdog did not stop!
Sep 27 21:13:25.657467 str-s6100-acs-2 CRIT kernel: [ 178.895828] watchdog: watchdog0: watchdog did not stop!
admin@str-s6100-acs-2:$ sudo cat /var/log/syslog | grep -a watchdog
Sep 27 21:08:24.700974 str-s6100-acs-2 CRIT kernel: [ 629.250819] watchdog: watchdog0: watchdog did not stop!
Sep 27 21:10:30 sonic kernel: [ 0.076100] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
Sep 27 21:10:30 sonic kernel: [ 0.076100] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
Sep 27 21:13:25.657467 str-s6100-acs-2 CRIT kernel: [ 178.895828] watchdog: watchdog0: watchdog did not stop!
Sep 27 21:14:24.925744 str-s6100-acs-2 INFO kernel: [ 0.076117] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
Sep 27 21:20:52.822780 str-s6100-acs-2 INFO kernel: [ 0.076068] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
Sep 27 21:26:41.882124 str-s6100-acs-2 INFO kernel: [ 0.076077] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
admin@str-s6100-acs-2:$ cat /sys/devices/platform/SMF.512/hwmon/hwmon1/mb_poweron_reason
0x99
++++++++++++++++++++++++++++++++

[jleveque]

@sujinmkang: can you please format your comment for readbility? Use a code block (three backticks). Reference: https://guides.github.com/features/mastering-markdown/

[paavaanan]

@sujinmkang will check and get back on this.

[sridhar-ravindran]

Hi,
We have raised #3767 to support this feature in master.
Once approved, will raise a new PR for this branch. Request you to review the same.