From 460a71ab24ad511318342077ac9ef57df543375f Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com>
Date: Thu, 16 Sep 2021 14:44:23 +0200
Subject: [PATCH] threadsnoop: look for pthread_create in libc too

Since glibc 2.34, pthread features are integrated in libc directly.
Look for pthread_create there too when it is not found in libpthread.

Fixes #3623
---
 tools/threadsnoop.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/threadsnoop.py b/tools/threadsnoop.py
index 04c5e680..471b0c3c 100755
--- a/tools/threadsnoop.py
+++ b/tools/threadsnoop.py
@@ -38,7 +38,12 @@ void do_entry(struct pt_regs *ctx) {
     events.perf_submit(ctx, &data, sizeof(data));
 };
 """)
-b.attach_uprobe(name="pthread", sym="pthread_create", fn_name="do_entry")
+
+# Since version 2.34, pthread features are integrated in libc
+try:
+    b.attach_uprobe(name="pthread", sym="pthread_create", fn_name="do_entry")
+except Exception:
+    b.attach_uprobe(name="c", sym="pthread_create", fn_name="do_entry")
 
 print("%-10s %-6s %-16s %s" % ("TIME(ms)", "PID", "COMM", "FUNC"))
 
-- 
2.31.1