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From e153f5177e1ae4b7859454a2d3011d6f55710600 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Mon, 3 Dec 2018 09:02:34 -0500
Subject: [PATCH 2/2] python-linux-procfs: pflags: Ignore non-existent pids or
process names
If the user enters a non-existent pid or process name, skip over it.
Also, if the user enters nothing but a non-existent pid, then don't
calculte max_comm_len since you can't take the max of an empty list.
Signed-off-by: John Kacur <jkacur@redhat.com>
---
pflags-cmd.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/pflags-cmd.py b/pflags-cmd.py
index f180ed505977..c2627dcec14e 100755
--- a/pflags-cmd.py
+++ b/pflags-cmd.py
@@ -47,11 +47,14 @@ def main(argv):
pids = ps.processes.keys()
pids.sort()
- len_comms = map(lambda pid: len(ps[pid]["stat"]["comm"]), pids)
- max_comm_len = max(len_comms)
+ len_comms = [len(ps[pid]["stat"]["comm"]) for pid in pids if pid in ps]
+ if len_comms:
+ max_comm_len = max(len_comms)
del(len_comms)
for pid in pids:
+ if pid not in ps:
+ continue
flags = ps[pid].stat.process_flags()
# Remove flags that were superseeded
if "PF_THREAD_BOUND" in flags and "PF_NO_SETAFFINITY" in flags:
--
2.19.2