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-rw-r--r--test/memory/passt187
1 files changed, 187 insertions, 0 deletions
diff --git a/test/memory/passt b/test/memory/passt
new file mode 100644
index 0000000..fa89821
--- /dev/null
+++ b/test/memory/passt
@@ -0,0 +1,187 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# PASST - Plug A Simple Socket Transport
+# for qemu/UNIX domain socket mode
+#
+# PASTA - Pack A Subtle Tap Abstraction
+# for network namespace/tap device mode
+#
+# test/memory/passt - Show memory usage of passt in kernel and userspace
+#
+# Copyright (c) 2022 Red Hat GmbH
+# Author: Stefano Brivio <sbrivio@redhat.com>
+
+gtools sed cat diff nm sort kill tee head tail chroot unshare mount mkdir cp
+
+def meminfo_row
+gout DIFF meminfo_diff /tmp/meminfo.before /tmp/meminfo.after __WHAT__
+tl __NAME__
+td __DIFF__ 3 0 0
+endef
+
+def meminfo_reverse_row
+gout DIFF meminfo_diff /tmp/meminfo.after /tmp/meminfo.before __WHAT__
+tl __NAME__
+td __DIFF__ 3 0 0
+endef
+
+def nm_row
+gout SIZE nm_size /tmp/nm.size __WHAT__
+tl __WHAT__
+td __SIZE__ 6 0 0
+endef
+
+def slab_row
+gout COUNT slab_diff_count /tmp/slabinfo.before /tmp/slabinfo.after __WHAT__
+gout SIZE slab_size /tmp/slabinfo.before __WHAT__
+gout DIFF slab_diff_size /tmp/slabinfo.before /tmp/slabinfo.after __WHAT__
+tl __WHAT__
+td __COUNT__ 0 0 0
+td __SIZE__ 0 0 0
+td __DIFF__ 6 0 0
+endef
+
+def start_stop_diff
+guest sed /proc/slabinfo -ne 's/^\([^ ]* *[^ ]* *[^ ]* *[^ ]*\).*/\\\1/p' > /tmp/slabinfo.before
+guest cat /proc/meminfo > /tmp/meminfo.before
+guest /usr/bin/passt.avx2 -l /tmp/log -s /tmp/sock -P /tmp/pid __OPTS__ --netns-only
+sleep 2
+guest cat /proc/meminfo > /tmp/meminfo.after
+guest sed /proc/slabinfo -ne 's/^\([^ ]* *[^ ]* *[^ ]* *[^ ]*\).*/\\\1/p' > /tmp/slabinfo.after
+guest kill \$(cat /tmp/pid)
+guest diff -y --suppress-common-lines /tmp/meminfo.before /tmp/meminfo.after || :
+guest nm -td -Sr --size-sort -P /usr/bin/passt.avx2 | head -30 | tee /tmp/nm.size
+guest sed /proc/slabinfo -ne 's/\(.*<objsize>\).*$/\1/p' | tail -1; (diff -y --suppress-common-lines /tmp/slabinfo.before /tmp/slabinfo.after | sort -grk8)
+endef
+
+def summary
+info Memory usage summary
+info
+th type MiB
+set WHAT MemFree
+set NAME used
+meminfo_reverse_row
+set WHAT AnonPages
+set NAME userspace
+meminfo_row
+set WHAT Slab
+set NAME kernel
+meminfo_row
+te
+endef
+
+
+guest mkdir /test
+guest mount -t tmpfs none /test
+guest mkdir /test/proc /test/dev /test/tmp
+guest mount -o bind /proc /test/proc
+guest mount -o bind /dev /test/dev
+guest cp -Lr /bin /lib /lib64 /usr /sbin /test/
+
+guest ulimit -Hn 300000
+guest unshare -rUm -R /test
+guest chroot .
+
+guest meminfo_size() { grep "^$2:" $1 | tr -s ' ' | cut -f2 -d ' '; }
+guest meminfo_diff() { echo $(( $(meminfo_size $2 $3) - $(meminfo_size $1 $3) )); }
+
+guest nm_size() { grep -m1 "^$2 " $1 | cut -f4 -d ' '; }
+
+guest slab_count() { grep "^$2 " $1 | tr -s ' ' | cut -f3 -d ' '; }
+guest slab_size() { grep "^$2 " $1 | tr -s ' ' | cut -f4 -d ' '; }
+guest slab_diff_count() { echo $(( $(slab_count $2 $3) - $(slab_count $1 $3) )); }
+guest slab_diff_size() { echo $(( $(slab_count $2 $3) * $(slab_size $2 $3) - $(slab_count $1 $3) * $(slab_size $1 $3) )); }
+
+
+test Memory usage: all TCP and UDP ports forwarded, IPv4 and IPv6
+set OPTS -t all -u all
+start_stop_diff
+summary
+
+info Userspace memory detail
+info
+th symbol MiB
+set WHAT tcp_buf_discard
+nm_row
+set WHAT tcp6_l2_buf
+nm_row
+set WHAT tcp4_l2_buf
+nm_row
+set WHAT tc
+nm_row
+set WHAT pkt_buf
+nm_row
+set WHAT udp_splice_map
+nm_row
+set WHAT udp6_l2_buf
+nm_row
+set WHAT udp4_l2_buf
+nm_row
+set WHAT udp_tap_map
+nm_row
+set WHAT icmp_id_map
+nm_row
+set WHAT udp_splice_buf
+nm_row
+set WHAT tc_hash
+nm_row
+set WHAT pool_tap6_storage
+nm_row
+set WHAT pool_tap4_storage
+nm_row
+set WHAT tap6_l4
+nm_row
+set WHAT tap4_l4
+nm_row
+te
+
+info Kernel memory detail
+info
+th objects count size MiB
+set WHAT pid
+slab_row
+set WHAT dentry
+slab_row
+set WHAT Acpi-Parse
+slab_row
+set WHAT kmalloc-64
+slab_row
+set WHAT kmalloc-32
+slab_row
+set WHAT lsm_file_cache
+slab_row
+set WHAT filp
+slab_row
+set WHAT anon_vma_chain
+slab_row
+set WHAT ep_head
+slab_row
+set WHAT sock_inode_cache
+slab_row
+set WHAT signal_cache
+slab_row
+set WHAT TCPv6
+slab_row
+set WHAT TCP
+slab_row
+set WHAT UDPv6
+slab_row
+te
+
+
+test Memory usage: all TCP ports forwarded, IPv4
+set OPTS -t all -4
+start_stop_diff
+summary
+
+
+test Memory usage: all TCP and UDP ports forwarded, IPv4
+set OPTS -t all -u all -4
+start_stop_diff
+summary
+
+
+test Memory usage: no ports forwarded
+set OPTS -t none -u none
+start_stop_diff
+summary