diff --git a/devel/CALLGRIND b/devel/CALLGRIND
new file mode 100755
index 0000000..c5d95bc
--- /dev/null
+++ b/devel/CALLGRIND
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+G_SLICE=always-malloc G_DEBUG=gc-friendly \
+valgrind --tool=callgrind --trace-children=no --num-callers=32 --track-fds=yes --error-exitcode=1 --dump-instr=yes --collect-jumps=yes --simulate-cache=yes --simulate-hwpref=yes "$@"
diff --git a/devel/HELLGRIND b/devel/HELLGRIND
new file mode 100755
index 0000000..67061cf
--- /dev/null
+++ b/devel/HELLGRIND
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# G_SLICE=always-malloc G_DEBUG=gc-friendly \
+
+valgrind --tool=helgrind --track-lockorders=yes --history-level=full --conflict-cache-size=1000000 "$@"
diff --git a/devel/VALGRIND b/devel/VALGRIND
new file mode 100755
index 0000000..bd6aba0
--- /dev/null
+++ b/devel/VALGRIND
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# track-origins=yes is veeeery slow
+
+G_SLICE=always-malloc G_DEBUG=gc-friendly \
+/usr/bin/valgrind --tool=memcheck --trace-children=no --leak-check=full --leak-resolution=high --num-callers=32 --max-stackframe=20982960 \
+    --track-fds=yes --track-origins=no --db-command="cgdb -nw %f %p" --error-exitcode=1 --show-reachable=no --db-attach=yes "$@"