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69 lines
2.7 KiB
69 lines
2.7 KiB
From 048250c4e0469f5ab3b6230092e1ce40b6b148c6 Mon Sep 17 00:00:00 2001 |
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From: John Kacur <jkacur@redhat.com> |
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Date: Wed, 13 Sep 2017 00:39:08 +0100 |
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Subject: [PATCH 2/2] tuna: isolate_cpus - exit with a message instead of a |
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traceback |
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isolate_cpus can create a traceback if passed an illegal cpuset |
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If this happens, exit with a message instead of a traceback |
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Signed-off-by: John Kacur <jkacur@redhat.com> |
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--- |
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tuna/tuna.py | 13 +++++++++++++ |
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1 file changed, 13 insertions(+) |
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diff --git a/tuna/tuna.py b/tuna/tuna.py |
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index 13b3743e8d06..1ed21353ab48 100755 |
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--- a/tuna/tuna.py |
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+++ b/tuna/tuna.py |
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@@ -343,6 +343,7 @@ def parse_irq_affinity_filename(filename, nr_cpus): |
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def isolate_cpus(cpus, nr_cpus): |
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+ fname = sys._getframe( ).f_code.co_name # Function name |
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ps = procfs.pidstats() |
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ps.reload_threads() |
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previous_pid_affinities = {} |
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@@ -354,6 +355,9 @@ def isolate_cpus(cpus, nr_cpus): |
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except (SystemError, OSError) as e: # old python-schedutils incorrectly raised SystemError |
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if e[0] == errno.ESRCH: |
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continue |
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+ elif e[0] == errno.EINVAL: |
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+ print >> sys.stderr, "Function:", fname, ",", e.strerror |
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+ sys.exit(2) |
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raise e |
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if set(affinity).intersection(set(cpus)): |
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previous_pid_affinities[pid] = copy.copy(affinity) |
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@@ -363,6 +367,9 @@ def isolate_cpus(cpus, nr_cpus): |
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except (SystemError, OSError) as e: # old python-schedutils incorrectly raised SystemError |
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if e[0] == errno.ESRCH: |
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continue |
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+ elif e[0] == errno.EINVAL: |
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+ print >> sys.stderr, "Function:", fname, ",", e.strerror |
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+ sys.exit(2) |
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raise e |
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if not ps[pid].has_key("threads"): |
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@@ -376,6 +383,9 @@ def isolate_cpus(cpus, nr_cpus): |
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except (SystemError, OSError) as e: # old python-schedutils incorrectly raised SystemError |
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if e[0] == errno.ESRCH: |
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continue |
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+ elif e[0] == errno.EINVAL: |
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+ print >> sys.stderr, "Function:", fname, ",", e.strerror |
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+ sys.exit(2) |
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raise e |
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if set(affinity).intersection(set(cpus)): |
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previous_pid_affinities[tid] = copy.copy(affinity) |
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@@ -385,6 +395,9 @@ def isolate_cpus(cpus, nr_cpus): |
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except (SystemError, OSError) as e: # old python-schedutils incorrectly raised SystemError |
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if e[0] == errno.ESRCH: |
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continue |
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+ elif e[0] == errno.EINVAL: |
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+ print >> sys.stderr, "Function:", fname, ",", e.strerror |
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+ sys.exit(2) |
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raise e |
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del ps |
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-- |
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2.9.5 |
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