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Handle broken pipes in arc_summary

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Using a command similar to 'arc_summary.py | head' causes
a broken pipe exception. Gracefully exit in the case of a
broken pipe in arc_summary.py.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Closes #6965 
Closes #6969
This commit is contained in:
Giuseppe Di Natale
2017-12-19 13:19:24 -08:00
committed by Brian Behlendorf
parent c4ba46dead
commit 89a66a0457
2 changed files with 16 additions and 0 deletions
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tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_001_pos.ksh
+3
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@@ -37,4 +37,7 @@ while [[ $i -lt ${#args[*]} ]]; do
((i = i + 1))
done
log_must eval "arc_summary.py | head > /dev/null"
log_must eval "arc_summary.py | head -1 > /dev/null"
log_pass "arc_summary.py generates output and doesn't return an error code"