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buildstats.bbclass: Avoid index exception in /proc/PID/io parsing 

There is some probability (depends on system load) to get empty
or line containing "0" as the last line while reading /proc/PID/io.
Avoid build failure by checking if line contains separator
":" before split.

(From OE-Core rev: b26feaf51af55f17fad79dbd53dd3ec0a37c38ff)

Signed-off-by: Pavel Modilaynen <pavelmn@axis.com>
Signed-off-by: Daniel Lublin <daniel@lublin.se>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Pavel Modilaynen 2017-02-24 11:22:20 +01:00 committed by Richard Purdie
parent 82f7573094
commit 010b368bc8
1 changed files with 5 additions and 0 deletions
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5
meta/classes/buildstats.bbclass
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@ -31,6 +31,11 @@ def get_process_cputime(pid):
i = f.readline().strip()
if not i:
break
if not ":" in i:
# one more extra line is appended (empty or containing "0")
# most probably due to race condition in kernel while
# updating IO stats
break
i = i.split(": ")
iostats[i[0]] = i[1]
resources = resource.getrusage(resource.RUSAGE_SELF)