From cab526f6bfab5c12ea384024a59299e245e0d7f7 Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@ipepdvdev1.ipe.kit.edu>
Date: Sun, 19 Jun 2016 05:17:39 +0200
Subject: docs

---
 perf.txt | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 perf.txt

diff --git a/perf.txt b/perf.txt
new file mode 100644
index 0000000..0cc9844
--- /dev/null
+++ b/perf.txt
@@ -0,0 +1,3 @@
+Userspace tracing:
+    perf probe --add 'nvidia_ioctl cmd=%dx:u32 i_arg=%cx:u64'
+    echo "p:kprobes/nvidia_ioctl nvidia_ioctl cmd=%dx:u32 i_arg=%cx:u64" > /sys/kernel/debug/tracing/kprobe_events
-- 
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