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Jglauber/fixes #23

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merged 3 commits into from
Apr 16, 2024
Merged

Jglauber/fixes #23

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acd3040
Prevent error on empty strings
Apr 16, 2024
0d35d19
Check if numastat is installed
Apr 16, 2024
528dbf0
Tolerate non-NUMA systems
Apr 16, 2024
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12 changes: 12 additions & 0 deletions vmtop.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,11 @@ def read_int(filename):

def mixrange(s):
r = []
if not s:
return r
if s == '\n':
return r

for i in s.split(","):
if "-" not in i:
r.append(int(i))
Expand Down Expand Up @@ -304,6 +309,8 @@ def nr_vcpus(self):
return len(self.vcpu_threads.keys())

def set_vcpu_primary_node(self, new_node):
if new_node is None:
return
if self.vcpu_primary_node == new_node:
return
if self.vcpu_primary_node is not None:
Expand Down Expand Up @@ -530,6 +537,11 @@ def refresh_io_stats(self):
self.last_io_write_bytes = int(l[1])

def get_node_memory(self):
path = shutil.which("numastat")
if path is None:
print("no executable found for numastat")
return

cmd = ["numastat", "-p", str(self.vm_pid)]
try:
usage = subprocess.check_output(
Expand Down