From e32676922e3a528a40ac5e13ac1ada94b34d2103 Mon Sep 17 00:00:00 2001
From: bretello <bretello@distruzione.org>
Date: Fri, 15 Sep 2023 00:33:46 +0200
Subject: [PATCH] zsh: add tracing module

---
 functions/tracing.zsh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 functions/tracing.zsh

diff --git a/functions/tracing.zsh b/functions/tracing.zsh
new file mode 100644
index 0000000..07af1e7
--- /dev/null
+++ b/functions/tracing.zsh
@@ -0,0 +1,18 @@
+#!/bin/zsh
+
+function start_tracing {
+	zmodload zsh/zprof
+	zmodload zsh/datetime
+	setopt PROMPT_SUBST
+	PS4+='+$EPOCHREALTIME %N:%i> '
+	logfile=$(mktemp zsh_profile.XXXXXXXX)
+	echo "logging to $logfile"
+	exec 3>&2 2>$logfile
+	setopt XTRACE
+}
+
+function stop_tracing {
+	unsetopt XTRACE
+	exec 2>&3 3>&-
+	zprof | tee zprof_out.log | vimscratch -
+}