[9332][platform_tests] TestChassisFan::test_get_speed fails due to a few fan speeds returned as RPM

[tjchadaga]

Description

test_get_speed expects fan speed in percentage (value 0 to 100), but some fan speeds are returned as RPM value. This issue is seen intermittently

Steps to reproduce the issue:

1. Run TestChassisFan::test_get_speed on 9332

Describe the results you received:

show platform fan
  Drawer    LED            FAN    Speed    Direction     Presence    Status          Timestamp
--------  -----  -------------  -------  -----------  -----------  --------  -----------------
FanTray1    N/A  FanTray1-Fan1      99%      exhaust      Present        OK  20210901 18:12:20
FanTray1    N/A  FanTray1-Fan2   121RPM      exhaust      Present        OK  20210901 18:12:21
FanTray2    N/A  FanTray2-Fan1     100%      exhaust      Present        OK  20210901 18:12:23
FanTray2    N/A  FanTray2-Fan2   121RPM      exhaust      Present        OK  20210901 18:12:24
FanTray3    N/A  FanTray3-Fan1     100%      exhaust      Present        OK  20210901 18:11:27
FanTray3    N/A  FanTray3-Fan2   120RPM      exhaust      Present        OK  20210901 18:11:29
FanTray4    N/A  FanTray4-Fan1   101RPM      exhaust      Present        OK  20210901 18:11:31
FanTray4    N/A  FanTray4-Fan2   121RPM      exhaust      Present        OK  20210901 18:11:31
FanTray5    N/A  FanTray5-Fan1     100%      exhaust      Present        OK  20210901 18:11:34
FanTray5    N/A  FanTray5-Fan2   122RPM      exhaust      Present        OK  20210901 18:11:35
FanTray6    N/A  FanTray6-Fan1   101RPM      exhaust      Present        OK  20210901 18:11:38
FanTray6    N/A  FanTray6-Fan2   122RPM      exhaust      Present        OK  20210901 18:11:38
FanTray7    N/A  FanTray7-Fan1   102RPM      exhaust      Present        OK  20210901 18:11:40
FanTray7    N/A  FanTray7-Fan2   122RPM      exhaust      Present        OK  20210901 18:11:41
     N/A    N/A       PSU1 Fan      N/A          N/A  Not Present       N/A  20210901 18:11:41
     N/A    N/A       PSU2 Fan   110RPM      exhaust      Present        OK  20210901 18:11:43

Describe the results you expected:

Speed output should be consistently returned as percentage

Output of show version:

show version

SONiC Software Version: SONiC.20201231.21
Distribution: Debian 10.10
Kernel: 4.19.0-12-2-amd64
Build commit: 72aa9fa3d8
Build date: Tue Aug 31 14:34:55 UTC 2021
Built by: AzDevOps@sonic-int-build-workers-0003A0

Platform: x86_64-dellemc_z9332f_d1508-r0
HwSKU: DellEMC-Z9332f-O32
ASIC: broadcom
ASIC Count: 1
Serial Number: TH04CN21CET0004K0214
Uptime: 18:13:40 up  4:29,  1 user,  load average: 0.30, 0.44, 0.60

Output of show techsupport:

(paste your output here or download and attach the file here )

Additional information you deem important (e.g. issue happens only occasionally):

ipmi_sensor_info.txt

[ArunSaravananBalachandran]

Please provide the output of the following commands:

• ipmitool sensor list
• ipmitool fru list

[tjchadaga]

Please provide the output of the following commands:

• ipmitool sensor list
• ipmitool fru list

Attached as ipmi_sensor_info.txt