linux_dsm_epyc7002/tools/testing/selftests/bpf/test_progs.h
Alexei Starovoitov e5e7a8f2d8 selftests/bpf: add few verifier scale tests
Add 3 basic tests that stress verifier scalability.

test_verif_scale1.c calls non-inlined jhash() function 90 times on
different position in the packet.
This test simulates network packet parsing.
jhash function is ~140 instructions and main program is ~1200 insns.

test_verif_scale2.c force inlines jhash() function 90 times.
This program is ~15k instructions long.

test_verif_scale3.c calls non-inlined jhash() function 90 times on
But this time jhash has to process 32-bytes from the packet
instead of 14-bytes in tests 1 and 2.
jhash function is ~230 insns and main program is ~1200 insns.

$ test_progs -s
can be used to see verifier stats.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-04 01:27:38 +02:00

95 lines
2.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include <signal.h>
#include <linux/types.h>
typedef __u16 __sum16;
#include <arpa/inet.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/filter.h>
#include <linux/perf_event.h>
#include <linux/unistd.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/time.h>
#include <fcntl.h>
#include <pthread.h>
#include <linux/bpf.h>
#include <linux/err.h>
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
#include "test_iptunnel_common.h"
#include "bpf_util.h"
#include "bpf_endian.h"
#include "trace_helpers.h"
#include "flow_dissector_load.h"
extern int error_cnt, pass_cnt;
extern bool jit_enabled;
extern bool verifier_stats;
#define MAGIC_BYTES 123
/* ipv4 test vector */
struct ipv4_packet {
struct ethhdr eth;
struct iphdr iph;
struct tcphdr tcp;
} __packed;
extern struct ipv4_packet pkt_v4;
/* ipv6 test vector */
struct ipv6_packet {
struct ethhdr eth;
struct ipv6hdr iph;
struct tcphdr tcp;
} __packed;
extern struct ipv6_packet pkt_v6;
#define _CHECK(condition, tag, duration, format...) ({ \
int __ret = !!(condition); \
if (__ret) { \
error_cnt++; \
printf("%s:FAIL:%s ", __func__, tag); \
printf(format); \
} else { \
pass_cnt++; \
printf("%s:PASS:%s %d nsec\n", __func__, tag, duration);\
} \
__ret; \
})
#define CHECK(condition, tag, format...) \
_CHECK(condition, tag, duration, format)
#define CHECK_ATTR(condition, tag, format...) \
_CHECK(condition, tag, tattr.duration, format)
#define MAGIC_VAL 0x1234
#define NUM_ITER 100000
#define VIP_NUM 5
static inline __u64 ptr_to_u64(const void *ptr)
{
return (__u64) (unsigned long) ptr;
}
int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
int compare_map_keys(int map1_fd, int map2_fd);
int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
int extract_build_id(char *build_id, size_t size);
void *spin_lock_thread(void *arg);