From b998344b386f770d6e146457eb0fa96830cda42d Mon Sep 17 00:00:00 2001
From: Serhei Makarov <serhei@serhei.io>
Date: Thu, 22 Aug 2024 18:08:49 -0400
Subject: [PATCH] eu-stacktrace fixup: count samples where sysprof_init_dwfl
 failed

---
 src/stacktrace.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/stacktrace.c b/src/stacktrace.c
index 9b24b473..dccde2b8 100644
--- a/src/stacktrace.c
+++ b/src/stacktrace.c
@@ -1138,6 +1138,12 @@ sysprof_unwind_cb (SysprofCaptureFrame *frame, void *arg)
   Dwfl *dwfl = sysprof_init_dwfl (sui, ev, regs);
   if (dwfl == NULL)
     {
+      if (show_summary)
+	{
+	  dwfltab_ent *dwfl_ent = dwfltab_find(frame->pid);
+	  dwfl_ent->total_samples++;
+	  dwfl_ent->lost_samples++;
+	}
       if (show_failures)
 	fprintf(stderr, "sysprof_init_dwfl pid %lld (%s) (failed)\n",
 		(long long)frame->pid, comm);
-- 
2.47.2