[PATCH 5.10 11/23] tools/kvm_stat: fix display of error when multiple processes are found

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From: Dmitry Klochkov <kdmitry556@xxxxxxxxx>

[ Upstream commit 933b5f9f98da29af646b51b36a0753692908ef64 ]

Instead of printing an error message, kvm_stat script fails when we
restrict statistics to a guest by its name and there are multiple guests
with such name:

  # kvm_stat -g my_vm
  Traceback (most recent call last):
    File "/usr/bin/kvm_stat", line 1819, in <module>
      main()
    File "/usr/bin/kvm_stat", line 1779, in main
      options = get_options()
    File "/usr/bin/kvm_stat", line 1718, in get_options
      options = argparser.parse_args()
    File "/usr/lib64/python3.10/argparse.py", line 1825, in parse_args
      args, argv = self.parse_known_args(args, namespace)
    File "/usr/lib64/python3.10/argparse.py", line 1858, in parse_known_args
      namespace, args = self._parse_known_args(args, namespace)
    File "/usr/lib64/python3.10/argparse.py", line 2067, in _parse_known_args
      start_index = consume_optional(start_index)
    File "/usr/lib64/python3.10/argparse.py", line 2007, in consume_optional
      take_action(action, args, option_string)
    File "/usr/lib64/python3.10/argparse.py", line 1935, in take_action
      action(self, namespace, argument_values, option_string)
    File "/usr/bin/kvm_stat", line 1649, in __call__
      ' to specify the desired pid'.format(" ".join(pids)))
  TypeError: sequence item 0: expected str instance, int found

To avoid this, it's needed to convert pids int values to strings before
pass them to join().

Signed-off-by: Dmitry Klochkov <kdmitry556@xxxxxxxxx>
Message-Id: <20220614121141.160689-1-kdmitry556@xxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/kvm/kvm_stat/kvm_stat | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index b0bf56c5f120..a1efcfbd8b9e 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1646,7 +1646,8 @@ Press any other key to refresh statistics immediately.
                          .format(values))
             if len(pids) > 1:
                 sys.exit('Error: Multiple processes found (pids: {}). Use "-p"'
-                         ' to specify the desired pid'.format(" ".join(pids)))
+                         ' to specify the desired pid'
+                         .format(" ".join(map(str, pids))))
             namespace.pid = pids[0]
 
     argparser = argparse.ArgumentParser(description=description_text,
-- 
2.35.1






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