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Memory exhaustion test case takes an indeterminate amount of time to trigger Kernel panic. #11738

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Merged
judyjoseph merged 2 commits into from
Mar 14, 2024
Merged

Memory exhaustion test case takes an indeterminate amount of time to trigger Kernel panic. #11738

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3b0868d
Turned swapping off so kernel catches OOM in a shorter time.
bmridul Feb 20, 2024
6764a50
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bmridul Feb 20, 2024
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6 changes: 6 additions & 0 deletions tests/platform_tests/test_memory_exhaustion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,12 @@ def test_memory_exhaustion(self, duthosts, enum_rand_one_per_hwsku_hostname, loc
# background process.
# * Some DUTs with few free memory may reboot before ansible receive the result of shell
# command, so we add `sleep 5` to ensure ansible receive the result first.
# Swapping is turned off so the OOM is triggered in a shorter time.

res = duthost.command("sudo swapoff -a")
if res['rc']:
logging.error("Swapoff command failed: {}".format(res))

cmd = 'nohup bash -c "sleep 5 && tail /dev/zero" &'
res = duthost.shell(cmd)
if not res.is_successful:
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