From 80695127514ac42eb22804614c3cd3b60ff0b0af Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Tue, 20 Nov 2018 15:38:19 -0800
Subject: [PATCH] strace

---
 Debugging.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Debugging.md b/Debugging.md
index c016bf4..88b96d0 100644
--- a/Debugging.md
+++ b/Debugging.md
@@ -14,9 +14,14 @@ You can find stderr output in:
 
 ### Dump LSP requests/responses
 
-Use sysdig on Linux:
+On Linux:
+
 ```zsh
+# sysdig
 sudo sysdig -As999 --unbuffered -p '%evt.type %proc.name %evt.buffer' "proc.exe contains ccls and fd.type=pipe" | egrep -v '^Content|^$'
+
+# strace
+strace -s999 -e read,write -fp $(pgrep -fn ccls)
 ```
 
 ### Stopping at the start to debug early issues