lscpu -J: option not supported on all Linuxes

Signed-off-by: Giampaolo Rodola <g.rodola@gmail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/psutil/tests/test_linux.py b/psutil/tests/test_linux.py
index b41c4452..ba4a8907 100755
--- a/psutil/tests/test_linux.py
+++ b/psutil/tests/test_linux.py
@@ -185,11 +185,11 @@ def vmstat(stat):
 
 
 def lscpu(field):
-    """A wrapper on top of "lscpu" CLI tool, parsing its output."""
-    jdata = json.loads(sh("lscpu -J"))['lscpu']
-    data = dict([(x['field'].lower().rstrip(':').strip(), x['data'].strip())
-                 for x in jdata])
-    return data[field]
+    out = sh("lscpu")
+    for line in out.splitlines():
+        key, _, value = line.partition(':')
+        if field.lower() == key.lower():
+            return value
 
 
 def get_free_version_info():