From: "mcermak at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/31117] transport failures
Date: Tue, 09 Jan 2024 12:11:11 +0000 [thread overview]
Message-ID: <bug-31117-6586-JBiPmjFEfT@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-31117-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=31117
--- Comment #9 from Martin Cermak <mcermak at redhat dot com> ---
(In reply to William Cohen from comment #8)
> However, there still seems to be drops
> output in the tests. When running the syscall.exp testsuite multiple times
> see the PASS change to FAIL and vice versa from run to run. Maybe on
> shutdown not all the output is getting flushed out.
Agreed. E.g. the following is based on syscall testsuite artifacts:
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
WARNING: There were 0 lost messages and 2 lost bytes.
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
WARNING: There were 0 lost messages and 2 lost bytes.
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
4
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
0
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
WARNING: There were 0 lost messages and 2 lost bytes.
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 #
BUT ... I seem to see improvements when I put all the CPU cores offline but the
first one:
el8 x86_64 # for i in `seq 1 23`; do echo 0 >
/sys/devices/system/cpu/cpu$i/online; done
el8 x86_64 #
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 # staprun -R /tmp/syscall_longlonglong.ko -c /tmp/adjtimex | wc -l
62
el8 x86_64 #
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next prev parent reply other threads:[~2024-01-09 12:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 15:39 [Bug runtime/31117] New: " mcermak at redhat dot com
2023-12-06 21:17 ` [Bug runtime/31117] " wcohen at redhat dot com
2023-12-13 21:27 ` mcermak at redhat dot com
2023-12-14 20:23 ` wcohen at redhat dot com
2023-12-18 18:55 ` wcohen at redhat dot com
2023-12-21 21:43 ` wcohen at redhat dot com
2024-01-04 22:34 ` wcohen at redhat dot com
2024-01-05 14:50 ` mcermak at redhat dot com
2024-01-05 15:21 ` mcermak at redhat dot com
2024-01-08 14:56 ` wcohen at redhat dot com
2024-01-09 12:11 ` mcermak at redhat dot com [this message]
2024-01-10 12:37 ` mcermak at redhat dot com
2024-01-22 15:54 ` wcohen at redhat dot com
2024-01-23 18:24 ` wcohen at redhat dot com
2024-02-02 15:07 ` mcermak at redhat dot com
2024-02-02 15:15 ` mcermak at redhat dot com
2024-02-05 15:32 ` wcohen at redhat dot com
2024-03-04 16:52 ` wcohen at redhat dot com
2024-03-04 21:30 ` wcohen at redhat dot com
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