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OpTestInterrupt.py: This patch validates interrupt controller mechanism #580

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It checks system reboot with xive on and off and
it also validates interrupts handled by CPU's

Signed-off-by: shirisha Ganta shiganta@in.ibm.com

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ruscur commented Mar 8, 2020

Can one of the admins verify this patch?

#
# OpenPOWER Automated Test Project
#
# Contributors Listed Below - COPYRIGHT 2017

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2020?

from common.OpTestSSH import ConsoleState as SSHConnectionState
from common.OpTestConstants import OpTestConstants as BMC_CONST
from common.Exceptions import KernelOOPS, KernelKdump

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DO you really need to import all these imports?

This module contain testcases related to XIVE.

1.Enable kernel logging, basically generate traffic
2.Enable console traffic by printing the

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Unnecessary new line. Generally sentence can go up to 80 chars.

Also I see unecessary spaces, trailing spaces in multiple places . Please fix them.


This module contain testcases related to XIVE.

1.Enable kernel logging, basically generate traffic

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Generate what traffic ?

Also may be its worth to expand description little bit . .so that its easy for review.

self.util = self.cv_SYSTEM.util
self.c = self.cv_SYSTEM.console
self.con = self.cv_SYSTEM.cv_HOST.get_ssh_connection()

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Looks like some of the variables are just assigned but not used.

'''
This function will validate interrupts handled by CPU's.
Make sure while running this function xive should be on
'''

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Where are you making sure xive is on?

'''
self.con = self.cv_SYSTEM.cv_HOST.get_ssh_connection()
res = self.con.run_command("ip route list | grep default | awk '{print $5}'")
inter = "cat /proc/interrupts | grep %s | head -1" % res[0]

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replace inter with some name. which reflects usage (may be interrupt)?

self.interrupt_cpu_check()


def crash_suite():

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Why do you need crash_suite here? Also name doesn't reflect what you are doing here.

IIUC _suite for meant for grouping multiple tests into one test bucket and run.

smp = "%s | awk '{print $1}'" % inter
result = self.con.run_command(smp)
self.con.run_command("cd /proc/irq/%s" % result[0].lstrip().split(':')[0])
self.con.run_command("cat smp_affinity_list")

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Can't you use absolute path and run cat instead of switching to that directory?

result = self.con.run_command(smp)
self.con.run_command("cd /proc/irq/%s" % result[0].lstrip().split(':')[0])
self.con.run_command("cat smp_affinity_list")
log.info("setting smp_affinity_list to CPU2")

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Are you sure it will be always CPU2?

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randomly we selected the cpu number as atleast 4 cpus we will have in smt8

It checks system reboot with xive on and off and
it also validates interrupts handled by CPU's

Signed-off-by: shirisha Ganta <shiganta@in.ibm.com>
@shirishaganta
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After addressing the above comments, Changed the testcase according to that

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3 participants