tuna.spec: Add fix to print warning if setaffinity causes EBUSY
Add upstream patch to print warning if setaffinity caues EBUSY Resolves: rhbz#2016540 Signed-off-by: John Kacur <jkacur@redhat.com>
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From 1dd72d9db74b063c8dd96f13701a14e299abc325 Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Thu, 28 Oct 2021 00:50:12 -0400
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Subject: [PATCH 1/2] tuna: Print warning if setting affinity results in EBUSY
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and continue
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When trying to isolate a CPU, if a device uses SCHED_DEADLINE and admission
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control is enabled, setting the affinity will result in the error EBUSY.
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tuna should print a warning that this pid could not be moved, and
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continue.
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The user can either ignore the warning or use other measures to isolate
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the cpu such as booting with isolcpus or turning off admission control
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and rerunning the tuna isolate command and then turning admission
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control back on.
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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tuna/tuna.py | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/tuna/tuna.py b/tuna/tuna.py
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index 591206d9b4e1..f25eb3d10923 100755
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--- a/tuna/tuna.py
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+++ b/tuna/tuna.py
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@@ -360,6 +360,10 @@ def isolate_cpus(cpus, nr_cpus):
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if err.args[0] == errno.EINVAL:
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print("Function:", fname, ",", err.strerror, file=sys.stderr)
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sys.exit(2)
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+ if err.args[0] == errno.EBUSY:
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+ comm = ps[pid].stat["comm"]
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+ print(f'Warning: Unable to isolate pid {pid} [{comm}]')
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+ continue
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raise err
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if "threads" not in ps[pid]:
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--
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2.31.1
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@ -1,6 +1,6 @@
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Name: tuna
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Name: tuna
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Version: 0.16
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Version: 0.16
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Release: 2%{?dist}
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Release: 3%{?dist}
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License: GPLv2
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License: GPLv2
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Summary: Application tuning GUI & command line utility
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Summary: Application tuning GUI & command line utility
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URL: https://git.kernel.org/pub/scm/utils/tuna/tuna.git
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URL: https://git.kernel.org/pub/scm/utils/tuna/tuna.git
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@ -14,6 +14,7 @@ Requires: python3-linux-procfs >= 0.6
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# Requires: python-inet_diag
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# Requires: python-inet_diag
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# Patches
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# Patches
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Patch1: tuna-Print-warning-if-setting-affinity-results-in-EBUSY.patch
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%description
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%description
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Provides interface for changing scheduler and IRQ tunables, at whole CPU and at
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Provides interface for changing scheduler and IRQ tunables, at whole CPU and at
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@ -26,6 +27,7 @@ installed.
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%prep
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%prep
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%setup -q
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%setup -q
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%patch1 -p1
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%build
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%build
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%py3_build
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%py3_build
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@ -67,6 +69,10 @@ done
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%{_datadir}/polkit-1/actions/org.tuna.policy
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%{_datadir}/polkit-1/actions/org.tuna.policy
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%changelog
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%changelog
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* Thu Oct 28 2021 John Kacur <jkacur@redhat.com> - 0.16-3
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- Print warning if setaffinity causes EBUSY and continue
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Resolves: rhbz#2016540
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* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 0.16-2
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* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 0.16-2
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- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
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- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
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Related: rhbz#1991688
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Related: rhbz#1991688
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