log_wrapper.sh to convert trace to text (#3271)

docs/Diagnostics.md

@@ -130,17 +130,21 @@ As already indicated, there are lots of ways to collect ETW traces. Feel free to
 
 ## Linux
 
-This script wraps steps bellows
+### All in one command
+This script wraps collecting trace then converting to text as well  
 **WARN**: This wrapper doesn't work with `./scripts/test.ps1` etc. as it is also creating lttng session internally.
-```
-./scripts/log_wrapper.sh ${Your binary}
+```sh
+cd ${MSQUIC_PATH}
+./scripts/log_wrapper.sh ${YOUR_COMMAND}
 # e.g.
 ./scripts/log_wrapper.sh ./artifacts/bin/linux/x64_Debug_openssl/msquictest --gtest_filter=Basic.*
+ls msquic_lttng0
+# data  quic.babel.txt  quic.log
 ```
+### Step by step command
+Instead, you can use the following commands:
 
-To start collecting a trace, you can use the following commands:
-
-```
+```sh
 mkdir msquic_lttng
 lttng create msquic -o=./msquic_lttng
 lttng enable-event --userspace "CLOG_*"

scripts/log_wrapper.sh

@@ -2,9 +2,10 @@
 
 lttng destroy msquic 2> /dev/null
 
-dirname="msquic_lttng"
-num=`find ./* -maxdepth 0 -name "$dirname*" | wc -l`
-mkdir $dirname$num && lttng create msquic -o=./$dirname$num && sessionCreated=$? && lttng enable-event --userspace "CLOG_*" && lttng add-context --userspace --type=vpid --type=vtid && lttng start
+dirprefix="msquic_lttng"
+num=`find ./* -maxdepth 0 -name "$dirprefix*" | wc -l`
+dirname=$dirprefix$num
+mkdir -p $dirname/data && lttng create msquic -o=./$dirname/data && sessionCreated=$? && lttng enable-event --userspace "CLOG_*" && lttng add-context --userspace --type=vpid --type=vtid && lttng start
 if [ $? -eq 0 ]; then
     $*
     lttng stop
@@ -12,4 +13,7 @@ fi
 
 if [ $sessionCreated -eq 0 ]; then
     lttng destroy msquic
+
+    babeltrace --names all $dirname/data > $dirname/quic.babel.txt
+    ${HOME}/.dotnet/tools/clog2text_lttng -i $dirname/quic.babel.txt -s ./src/manifest/clog.sidecar -o $dirname/quic.log --showTimestamp --showCpuInfo
 fi