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* [PATCH i-g-t] tests/intel/hwmon: Check temperature limit in hwmon-read
@ 2025-12-11 19:42 Karthik Poosa
  2025-12-11 21:10 ` ✓ i915.CI.BAT: success for " Patchwork
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: Karthik Poosa @ 2025-12-11 19:42 UTC (permalink / raw)
  To: igt-dev
  Cc: anshuman.gupta, badal.nilawar, riana.tauro, rodrigo.vivi,
	raag.jadav, Karthik Poosa

Improve hwmon-read test to check if current temperature
is above critical temperature limit in hwmon-read test.
This will help identify any thermal issues with the
setups during test runs.

Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
---
 tests/intel/intel_hwmon.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/intel/intel_hwmon.c b/tests/intel/intel_hwmon.c
index 103ae69cd..b19868440 100644
--- a/tests/intel/intel_hwmon.c
+++ b/tests/intel/intel_hwmon.c
@@ -26,6 +26,25 @@
 
 IGT_TEST_DESCRIPTION("Tests for intel hwmon");
 
+static void check_if_temp_valid(int hwm, char *sysfs_name, u32 cur_val)
+{
+	char str[32] = {0};
+	uint8_t ch = 0;
+	s32 limit = 0;
+
+	sscanf(sysfs_name, "temp%hhu_%s", &ch, str);
+
+	/* If entry is tempX_input, check if it exceeds tempX_crit. */
+	if (!strncmp(sysfs_name, "temp", 4) && !strncmp(str, "input", 5)) {
+		sprintf(str, "temp%d_crit", ch);
+		if (!faccessat(hwm, str, R_OK, 0)) {
+			igt_assert_lt(0, igt_sysfs_scanf(hwm, str, "%d", &limit));
+			igt_debug("current value = %d limit = %d\n", cur_val, limit);
+			igt_assert_f(cur_val <= limit, "current temperature exceeds limit!\n");
+		}
+	}
+}
+
 static void hwmon_read(int hwm)
 {
 	struct dirent *de;
@@ -43,6 +62,8 @@ static void hwmon_read(int hwm)
 		igt_assert(igt_sysfs_scanf(hwm, de->d_name, "%127s", val) == 1);
 		igt_debug("'%s': %s\n", de->d_name, val);
 
+		check_if_temp_valid(hwm, de->d_name, atoi(val));
+
 	}
 	closedir(dir);
 }
-- 
2.25.1


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Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2025-12-11 19:42 [PATCH i-g-t] tests/intel/hwmon: Check temperature limit in hwmon-read Karthik Poosa
2025-12-11 21:10 ` ✓ i915.CI.BAT: success for " Patchwork
2025-12-11 21:26 ` ✓ Xe.CI.BAT: " Patchwork
2025-12-12  8:12 ` ✗ i915.CI.Full: failure " Patchwork
2025-12-12 12:59 ` ✗ Xe.CI.Full: " Patchwork
2026-01-13 13:42 ` [PATCH i-g-t] " Mallesh, Koujalagi

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