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README.md

@@ -107,6 +107,11 @@ Most of the implementations can be used through RusTLS.
 
 However RusTLS clients won't enable to force TLS1.2 if 1.3 is available.
 
+* séparer conso crypto / trafic
+* mesure avec debugger : quelles fonctions consomment
+* mesure mémoire
+* mesure overhead
+
 ### WolfSSL
 
 ```bash
@@ -146,6 +151,13 @@ sudo make install
 	* https://github.com/MarcT0K/privacy-carbon-experiments
 * https://davidtnaylor.com/CostOfTheS.pdf
 	* 2014
+* https://www.researchgate.net/publication/359906722_Performance_Analysis_of_SSLTLS_Crypto_Libraries_Based_on_Operating_Platform
+	* 2022
+	* throughput & cpu
+	* OpenSSL, GnuTLS, Boring, S2n, NSS, Cryptlib
+* https://www.haproxy.com/blog/state-of-ssl-stacks
+	* 2025
+	* OpenSSL
 
 ## Sources
 
@@ -203,6 +215,8 @@ Just browse. Any traffic to and from the selected names will be recorded. Termin
 
 ### Measure
 
+Measure resource cost on a different machine.
+
 Add p2 the `/etc/hosts`:
 
 ```
@@ -217,14 +231,49 @@ sudo chmod +s /sbin/sa
 ```
 
 ```bash
-python exp.py make -c
-python exp.py send
+python exp.py make pi -c
+python exp.py send pi
 python exp.py update-certs # also do this command on p2
-python exp.py run --idle
+python exp.py run pi --idle
 ```
 
 On Debian, update-certs says 0 certs added even if it has actually updated some certs. This step is still needed.
 
+### Profile
+
+Profile code execution on the local machine.
+
+Add the domains the `/etc/hosts`:
+
+```
+127.0.0.1	google.com.localhost
+127.0.0.1	www.google.com.localhost
+# etc.
+```
+
+Install sa:
+
+```bash
+sudo apt install acct
+sudo chmod +s /sbin/sa
+```
+
+Install OpenSSL with debug symbols:
+
+```bash
+./Configure --release -g
+```
+
+Backup your system's `libcrypto.so` and `libssl.so` and replace them with the new ones.
+It would be simpler with `LD_PRELOAD` but Rust loads dynamic libraries in a particuliar way so it doesn't work.
+
+```bash
+python exp.py make local -c
+python exp.py send local
+python exp.py update-certs
+python exp.py run local
+```
+
 ## Problems
 
 ### Youtube gives 502 bad gateway.