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linux/tools/testing/selftests/bpf
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Alexei Starovoitov 19e2dbb7dd bpf: improve stacksafe state comparison 
"if (old->allocated_stack > cur->allocated_stack)" check is too conservative.
In some cases explored stack could have allocated more space,
but that stack space was not live.
The test case improves from 19 to 15 processed insns
and improvement on real programs is significant as well:

                       before    after
bpf_lb-DLB_L3.o        1940      1831
bpf_lb-DLB_L4.o        3089      3029
bpf_lb-DUNKNOWN.o      1065      1064
bpf_lxc-DDROP_ALL.o    28052     26309
bpf_lxc-DUNKNOWN.o     35487     33517
bpf_netdev.o           10864     9713
bpf_overlay.o          6643      6184
bpf_lcx_jit.o          38437     37335

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Edward Cree <ecree@solarflare.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-12-15 01:28:32 +01:00
..
gnu
include/uapi/linux
.gitignore selftests/bpf: add missing executables to .gitignore 2018-10-19 13:31:27 -07:00
bpf_endian.h
bpf_flow.c selftests/bpf: rename flow dissector section to flow_dissector 2018-11-10 15:56:10 -08:00
bpf_helpers.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-12-10 18:00:43 -08:00
bpf_rand.h bpf: add ld64 imm test cases 2018-05-14 19:11:45 -07:00
bpf_rlimit.h
bpf_util.h bpf: Refactor ARRAY_SIZE macro to bpf_util.h 2018-08-11 01:58:46 +02:00
cgroup_helpers.c selftests/bpf: Fix const'ness in cgroup_helpers 2018-07-15 00:08:41 +02:00
cgroup_helpers.h selftests/bpf: Fix const'ness in cgroup_helpers 2018-07-15 00:08:41 +02:00
config selftests/bpf: add config fragment CONFIG_FTRACE_SYSCALLS 2018-11-28 22:13:06 +01:00
connect4_prog.c selftests/bpf: Fix sk lookup usage in test_sock_addr 2018-12-13 23:42:16 +01:00
connect6_prog.c selftests/bpf: Fix sk lookup usage in test_sock_addr 2018-12-13 23:42:16 +01:00
dev_cgroup.c
flow_dissector_load.c tools/bpf: add unlimited rlimit for flow_dissector_load 2018-10-30 23:31:21 +01:00
get_cgroup_id_kern.c tools/bpf: fix selftest get_cgroup_id_user 2018-06-08 00:10:07 +02:00
get_cgroup_id_user.c tools/bpf: fix selftest get_cgroup_id_user 2018-06-08 00:10:07 +02:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-11-26 13:08:17 -08:00
netcnt_common.h selftests/bpf: cgroup local storage-based network counters 2018-10-01 16:18:33 +02:00
netcnt_prog.c selftests/bpf: add btf annotations for cgroup_local_storage maps 2018-12-12 15:33:44 -08:00
sample_map_ret0.c
sample_ret0.c
sendmsg4_prog.c selftests/bpf: Selftest for sys_sendmsg hooks 2018-05-28 17:41:05 +02:00
sendmsg6_prog.c selftests/bpf: Selftest for sys_sendmsg hooks 2018-05-28 17:41:05 +02:00
socket_cookie_prog.c selftests/bpf: Test for get_socket_cookie 2018-07-31 09:33:48 +02:00
sockmap_parse_prog.c
sockmap_tcp_msg_prog.c
sockmap_verdict_prog.c
tcp_client.py bpf: Add Python 3 support to selftests scripts for bpf 2018-07-25 07:46:48 +02:00
tcp_server.py bpf: Add Python 3 support to selftests scripts for bpf 2018-07-25 07:46:48 +02:00
test_adjust_tail.c bpf: adding tests for bpf_xdp_adjust_tail 2018-04-18 23:34:17 +02:00
test_align.c bpf: Add BPF_F_ANY_ALIGNMENT. 2018-11-30 21:38:48 -08:00
test_btf.c bpf: Remove !func_info and !line_info check from test_btf and bpftool 2018-12-13 12:16:31 +01:00
test_btf_haskv.c tools/bpf: enhance test_btf file testing to test func info 2018-11-20 10:54:39 -08:00
test_btf_nokv.c tools/bpf: enhance test_btf file testing to test func info 2018-11-20 10:54:39 -08:00
test_cgroup_storage.c selftests/bpf: extend the storage test to test per-cpu cgroup storage 2018-10-01 16:18:33 +02:00
test_dev_cgroup.c
test_flow_dissector.c selftests/bpf: test bpf flow dissection 2018-09-14 12:04:33 -07:00
test_flow_dissector.sh selftests/bpf: rename flow dissector section to flow_dissector 2018-11-10 15:56:10 -08:00
test_get_stack_rawtp.c tools/bpf: add a test for bpf_get_stack with raw tracepoint prog 2018-04-29 08:45:54 -07:00
test_iptunnel_common.h
test_kmod.sh selftests: bpf: notification about privilege required to run test_kmod.sh testing script 2018-06-22 00:30:02 +02:00
test_l4lb.c
test_l4lb_noinline.c
test_libbpf.sh selftests/bpf: enable (uncomment) all tests in test_libbpf.sh 2018-11-07 22:20:56 +01:00
test_libbpf_open.c
test_lirc_mode2.sh media: bpf: add bpf function to report mouse movement 2018-12-09 14:37:18 -08:00
test_lirc_mode2_kern.c media: bpf: add bpf function to report mouse movement 2018-12-09 14:37:18 -08:00
test_lirc_mode2_user.c media: bpf: add bpf function to report mouse movement 2018-12-09 14:37:18 -08:00
test_lpm_map.c
test_lru_map.c
test_lwt_seg6local.c selftests/bpf: test for seg6local End.BPF action 2018-05-24 11:57:36 +02:00
test_lwt_seg6local.sh selftests/bpf: update test_lwt_seg6local.sh according to iproute2 2018-08-03 10:19:33 +02:00
test_map_in_map.c bpf: adding tests for map_in_map helpber in libbpf 2018-11-21 23:33:22 +01:00
test_maps.c bpf: adding tests for map_in_map helpber in libbpf 2018-11-21 23:33:22 +01:00
test_netcnt.c kselftests/bpf: use ping6 as the default ipv6 ping binary when it exists 2018-11-09 10:55:09 +01:00
test_obj_id.c
test_offload.py selftests/bpf: add test for sharing objects between netdevs 2018-07-18 15:10:34 +02:00
test_pkt_access.c
test_pkt_md_access.c
test_progs.c selftests/bpf: use __bpf_constant_htons in test_prog.c 2018-12-12 15:33:07 -08:00
test_queue_map.c selftests/bpf: add test cases for queue and stack maps 2018-10-19 13:24:31 -07:00
test_queue_stack_map.h selftests/bpf: add test cases for queue and stack maps 2018-10-19 13:24:31 -07:00
test_section_names.c selftests/bpf: Test libbpf_{prog,attach}_type_by_name 2018-09-27 21:14:59 +02:00
test_select_reuseport.c bpf: Test BPF_PROG_TYPE_SK_REUSEPORT 2018-08-11 01:58:46 +02:00
test_select_reuseport_common.h bpf: Test BPF_PROG_TYPE_SK_REUSEPORT 2018-08-11 01:58:46 +02:00
test_select_reuseport_kern.c bpf: Test BPF_PROG_TYPE_SK_REUSEPORT 2018-08-11 01:58:46 +02:00
test_sk_lookup_kern.c bpf: Support sk lookup in netns with id 0 2018-11-30 17:17:38 -08:00
test_skb_cgroup_id.sh kselftests/bpf: use ping6 as the default ipv6 ping binary if it exists 2018-10-31 23:05:30 +01:00
test_skb_cgroup_id_kern.c selftests/bpf: Selftest for bpf_skb_ancestor_cgroup_id 2018-08-13 01:02:40 +02:00
test_skb_cgroup_id_user.c selftests/bpf: Selftest for bpf_skb_ancestor_cgroup_id 2018-08-13 01:02:40 +02:00
test_sock.c bpf: Refactor ARRAY_SIZE macro to bpf_util.h 2018-08-11 01:58:46 +02:00
test_sock_addr.c selftests/bpf: Test narrow loads with off > 0 for bpf_sock_addr 2018-11-10 22:29:59 -08:00
test_sock_addr.sh kselftests/bpf: use ping6 as the default ipv6 ping binary if it exists 2018-10-31 23:05:30 +01:00
test_socket_cookie.c selftests/bpf: Use libbpf_attach_type_by_name in test_socket_cookie 2018-09-27 21:14:59 +02:00
test_sockhash_kern.c bpf: selftest additions for SOCKHASH 2018-05-16 22:00:12 +02:00
test_sockmap.c bpf: test_sockmap, add options for msg_pop_data() helper 2018-11-28 22:07:57 +01:00
test_sockmap_kern.c bpf: selftest additions for SOCKHASH 2018-05-16 22:00:12 +02:00
test_sockmap_kern.h bpf: test_sockmap, add options for msg_pop_data() helper 2018-11-28 22:07:57 +01:00
test_stack_map.c selftests/bpf: add test cases for queue and stack maps 2018-10-19 13:24:31 -07:00
test_stacktrace_build_id.c tools/bpf: add a test for bpf_get_stack with tracepoint prog 2018-04-29 08:45:54 -07:00
test_stacktrace_map.c tools/bpf: add a test for bpf_get_stack with tracepoint prog 2018-04-29 08:45:54 -07:00
test_tag.c
test_tcp_estats.c
test_tcpbpf.h selftests/bpf: Test case for BPF_SOCK_OPS_TCP_LISTEN_CB 2018-07-15 00:08:41 +02:00
test_tcpbpf_kern.c bpf: add selftest for bpf's (set|get)_sockopt for SAVE_SYN 2018-09-01 01:37:00 +02:00
test_tcpbpf_user.c bpf: add selftest for bpf's (set|get)_sockopt for SAVE_SYN 2018-09-01 01:37:00 +02:00
test_tcpnotify.h selftests/bpf: add a test case for sock_ops perf-event notification 2018-11-09 09:40:17 +01:00
test_tcpnotify_kern.c selftests/bpf: add a test case for sock_ops perf-event notification 2018-11-09 09:40:17 +01:00
test_tcpnotify_user.c selftests/bpf: add a test case for sock_ops perf-event notification 2018-11-09 09:40:17 +01:00
test_tracepoint.c
test_tunnel.sh bpf, selftests: delete xfrm tunnel when test exits. 2018-06-15 03:31:52 +02:00
test_tunnel_kern.c selftests/bpf: bpf tunnel test. 2018-04-27 00:11:14 +02:00
test_verifier.c bpf: improve stacksafe state comparison 2018-12-15 01:28:32 +01:00
test_verifier_log.c
test_xdp.c
test_xdp_meta.c
test_xdp_meta.sh
test_xdp_noinline.c
test_xdp_redirect.c
test_xdp_redirect.sh
test_xdp_vlan.c selftests/bpf: add XDP selftests for modifying and popping VLAN headers 2018-10-09 21:59:09 -07:00
test_xdp_vlan.sh selftests/bpf: add XDP selftests for modifying and popping VLAN headers 2018-10-09 21:59:09 -07:00
trace_helpers.c bpf, libbpf: simplify and cleanup perf ring buffer walk 2018-10-20 23:13:32 -07:00
trace_helpers.h trace_helpers.c: Add helpers to poll multiple perf FDs for events 2018-06-27 11:01:03 +02:00
urandom_read.c bpf: add selftest for stackmap with build_id in NMI context 2018-05-14 23:29:45 +02:00
with_addr.sh selftests/bpf: test bpf flow dissection 2018-09-14 12:04:33 -07:00
with_tunnels.sh selftests/bpf: test bpf flow dissection 2018-09-14 12:04:33 -07:00
xdp_dummy.c selftests: add dummy xdp test helper 2018-11-07 16:23:05 -08:00