From c85c4eeb2183230a1565efdcb41ea1446b1feb5e Mon Sep 17 00:00:00 2001
From: Thomas Roehl <Thomas.Roehl@googlemail.com>
Date: Tue, 1 Jul 2025 11:45:10 +0200
Subject: [PATCH] Likwid collector: deal with vanishing and occuring msr
 devices

---
 collectors/likwidMetric.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/collectors/likwidMetric.go b/collectors/likwidMetric.go
index 85b1b99..59d37e4 100644
--- a/collectors/likwidMetric.go
+++ b/collectors/likwidMetric.go
@@ -428,9 +428,13 @@ func (m *LikwidCollector) takeMeasurement(evidx int, evset LikwidEventsetConfig,
 	case e := <-watcher.Events:
 		ret = -1
 		if e.Op != fsnotify.Chmod {
+			C.HPMfinalize()
+			C.HPMinit()
 			ret = C.perfmon_init(C.int(len(m.cpulist)), &m.cpulist[0])
 		}
 	default:
+		C.HPMfinalize()
+		C.HPMinit()
 		ret = C.perfmon_init(C.int(len(m.cpulist)), &m.cpulist[0])
 	}
 	if ret != 0 {