From f0fdeff4e98bd4178f6207ec54903242fdd12d07 Mon Sep 17 00:00:00 2001
From: Robert Schneider <robert.schneider03@sap.com>
Date: Wed, 25 Feb 2026 14:27:49 +0000
Subject: [PATCH] Fix activation of LBR on newer kernels

---
 sigsegv-monitor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sigsegv-monitor.c b/sigsegv-monitor.c
index d8a7ac9..0a8d644 100644
--- a/sigsegv-monitor.c
+++ b/sigsegv-monitor.c
@@ -47,6 +47,7 @@ void setup_global_lbr() {
     pe.disabled = 1;
     pe.exclude_kernel = 1;
     pe.exclude_hv = 1;
+    pe.sample_period = ((uint64_t)1) << 62; // newer kernels don't activate LBR if this is zero
 
     for_each_cpu(cpu) {
         //                                          pid     group_fs, flags