From 346637cb93ae39223f91f318bf265a1b7ba87abb Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Wed, 7 Sep 2022 16:01:12 +0200
Subject: add "Pause all userspace processes"

---
 _posts/snippets/gdb_sleep_all/gdb_sleep_all.sh | 17 +++++++++++++++++
 _posts/snippets/gdb_sleep_all/sleep.gdb        |  2 ++
 2 files changed, 19 insertions(+)
 create mode 100755 _posts/snippets/gdb_sleep_all/gdb_sleep_all.sh
 create mode 100644 _posts/snippets/gdb_sleep_all/sleep.gdb

(limited to '_posts/snippets/gdb_sleep_all')

diff --git a/_posts/snippets/gdb_sleep_all/gdb_sleep_all.sh b/_posts/snippets/gdb_sleep_all/gdb_sleep_all.sh
new file mode 100755
index 0000000..e923740
--- /dev/null
+++ b/_posts/snippets/gdb_sleep_all/gdb_sleep_all.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+
+# Select all process IDs that are _not_ children of PID 2, [kthreadd].
+pids="$( ps -o pid --no-headers --ppid 2 -p 2 --deselect )"
+
+for pid in $pids; do
+	cmdline="$( cat "/proc/$pid/cmdline" | tr '\0' ' ' )" || continue
+	echo ------------------------------------------------------------------
+	echo "PID: $pid"
+	echo "Command line: $cmdline"
+	echo ------------------------------------------------------------------
+	gdb -p "$pid" -x sleep.gdb -batch &
+done
+
+wait
diff --git a/_posts/snippets/gdb_sleep_all/sleep.gdb b/_posts/snippets/gdb_sleep_all/sleep.gdb
new file mode 100644
index 0000000..04f17fc
--- /dev/null
+++ b/_posts/snippets/gdb_sleep_all/sleep.gdb
@@ -0,0 +1,2 @@
+shell sleep 30
+quit
-- 
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