linux-kernel - [PATCH 2/2] pm: cpupower: bindings: Add test to confirm cpu state is disabled

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Message-ID: <20240930232158.29024-3-jwyatt@redhat.com>
Date: Mon, 30 Sep 2024 19:21:55 -0400
From: "John B. Wyatt IV" <jwyatt@...hat.com>
To: Shuah Khan <skhan@...uxfoundation.org>,
	Thomas Renninger <trenn@...e.com>
Cc: "John B. Wyatt IV" <jwyatt@...hat.com>,
	linux-pm@...r.kernel.org,
	Shuah Khan <shuah@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	linux-kernel@...r.kernel.org,
	John Kacur <jkacur@...hat.com>,
	"John B. Wyatt IV" <sageofredondo@...il.com>
Subject: [PATCH 2/2] pm: cpupower: bindings: Add test to confirm cpu state is disabled

Add a simple test to confirm and print out the cpu state.

Signed-off-by: "John B. Wyatt IV" <jwyatt@...hat.com>
Signed-off-by: "John B. Wyatt IV" <sageofredondo@...il.com>
---
 .../bindings/python/test_raw_pylibcpupower.py    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py b/tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py
index bb2b26db8b10..ca5aa46c9b20 100755
--- a/tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py
+++ b/tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py
@@ -31,6 +31,22 @@ match cstate_disabled:
     case _:
         print(f"Not documented: {cstate_disabled}")
 
+"""
+Test cstate is disabled
+"""
+is_cstate_disabled = p.cpuidle_is_state_disabled(0, 0)
+
+match is_cstate_disabled:
+    case 1:
+        print(f"CPU is disabled")
+    case 0:
+        print(f"CPU is enabled")
+    case -1:
+        print(f"Idlestate not available")
+    case -2:
+        print(f"Disabling is not supported by kernel")
+    case _:
+        print(f"Not documented: {is_cstate_disabled}")
 
 # Pointer example
 
-- 
2.46.2