diff options
7 files changed, 73 insertions, 37 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c index e9f2f12ba06b..e698ee6bb6c2 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c @@ -49,6 +49,7 @@ void test_bpf_verif_scale(void) { "test_verif_scale3.o", BPF_PROG_TYPE_SCHED_CLS }, { "pyperf_global.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, + { "pyperf_subprogs.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, /* full unroll by llvm */ { "pyperf50.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, @@ -86,6 +87,9 @@ void test_bpf_verif_scale(void) { "strobemeta_nounroll1.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, { "strobemeta_nounroll2.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, + /* non-inlined subprogs */ + { "strobemeta_subprogs.o", BPF_PROG_TYPE_RAW_TRACEPOINT }, + { "test_sysctl_loop1.o", BPF_PROG_TYPE_CGROUP_SYSCTL }, { "test_sysctl_loop2.o", BPF_PROG_TYPE_CGROUP_SYSCTL }, diff --git a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c index c2d373e294bb..8073105548ff 100644 --- a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c +++ b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c @@ -80,9 +80,8 @@ out: void test_l4lb_all(void) { - const char *file1 = "./test_l4lb.o"; - const char *file2 = "./test_l4lb_noinline.o"; - - test_l4lb(file1); - test_l4lb(file2); + if (test__start_subtest("l4lb_inline")) + test_l4lb("test_l4lb.o"); + if (test__start_subtest("l4lb_noinline")) + test_l4lb("test_l4lb_noinline.o"); } diff --git a/tools/testing/selftests/bpf/progs/pyperf.h b/tools/testing/selftests/bpf/progs/pyperf.h index cc615b82b56e..2fb7adafb6b6 100644 --- a/tools/testing/selftests/bpf/progs/pyperf.h +++ b/tools/testing/selftests/bpf/progs/pyperf.h @@ -67,7 +67,12 @@ typedef struct { void* co_name; // PyCodeObject.co_name } FrameData; -static __always_inline void *get_thread_state(void *tls_base, PidData *pidData) +#ifdef SUBPROGS +__noinline +#else +__always_inline +#endif +static void *get_thread_state(void *tls_base, PidData *pidData) { void* thread_state; int key; @@ -155,7 +160,9 @@ struct { } stackmap SEC(".maps"); #ifdef GLOBAL_FUNC -__attribute__((noinline)) +__noinline +#elif defined(SUBPROGS) +static __noinline #else static __always_inline #endif diff --git a/tools/testing/selftests/bpf/progs/pyperf_subprogs.c b/tools/testing/selftests/bpf/progs/pyperf_subprogs.c new file mode 100644 index 000000000000..60e27a7f0cca --- /dev/null +++ b/tools/testing/selftests/bpf/progs/pyperf_subprogs.c @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2020 Facebook */ +#define STACK_MAX_LEN 50 +#define SUBPROGS +#include "pyperf.h" diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h index ad61b722a9de..7de534f38c3f 100644 --- a/tools/testing/selftests/bpf/progs/strobemeta.h +++ b/tools/testing/selftests/bpf/progs/strobemeta.h @@ -266,8 +266,12 @@ struct tls_index { uint64_t offset; }; -static __always_inline void *calc_location(struct strobe_value_loc *loc, - void *tls_base) +#ifdef SUBPROGS +__noinline +#else +__always_inline +#endif +static void *calc_location(struct strobe_value_loc *loc, void *tls_base) { /* * tls_mode value is: @@ -327,10 +331,15 @@ static __always_inline void *calc_location(struct strobe_value_loc *loc, : NULL; } -static __always_inline void read_int_var(struct strobemeta_cfg *cfg, - size_t idx, void *tls_base, - struct strobe_value_generic *value, - struct strobemeta_payload *data) +#ifdef SUBPROGS +__noinline +#else +__always_inline +#endif +static void read_int_var(struct strobemeta_cfg *cfg, + size_t idx, void *tls_base, + struct strobe_value_generic *value, + struct strobemeta_payload *data) { void *location = calc_location(&cfg->int_locs[idx], tls_base); if (!location) @@ -440,8 +449,13 @@ static __always_inline void *read_map_var(struct strobemeta_cfg *cfg, * read_strobe_meta returns NULL, if no metadata was read; otherwise returns * pointer to *right after* payload ends */ -static __always_inline void *read_strobe_meta(struct task_struct *task, - struct strobemeta_payload *data) +#ifdef SUBPROGS +__noinline +#else +__always_inline +#endif +static void *read_strobe_meta(struct task_struct *task, + struct strobemeta_payload *data) { pid_t pid = bpf_get_current_pid_tgid() >> 32; struct strobe_value_generic value = {0}; diff --git a/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c b/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c new file mode 100644 index 000000000000..b6c01f8fc559 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +// Copyright (c) 2019 Facebook + +#define STROBE_MAX_INTS 2 +#define STROBE_MAX_STRS 25 +#define STROBE_MAX_MAPS 13 +#define STROBE_MAX_MAP_ENTRIES 20 +#define NO_UNROLL +#define SUBPROGS +#include "strobemeta.h" diff --git a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c index 28351936a438..b9e2753f4f91 100644 --- a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c +++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c @@ -17,9 +17,7 @@ #include "test_iptunnel_common.h" #include <bpf/bpf_endian.h> -int _version SEC("version") = 1; - -static __u32 rol32(__u32 word, unsigned int shift) +static __always_inline __u32 rol32(__u32 word, unsigned int shift) { return (word << shift) | (word >> ((-shift) & 31)); } @@ -52,7 +50,7 @@ static __u32 rol32(__u32 word, unsigned int shift) typedef unsigned int u32; -static u32 jhash(const void *key, u32 length, u32 initval) +static __noinline u32 jhash(const void *key, u32 length, u32 initval) { u32 a, b, c; const unsigned char *k = key; @@ -88,7 +86,7 @@ static u32 jhash(const void *key, u32 length, u32 initval) return c; } -static u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) +static __noinline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) { a += initval; b += initval; @@ -97,7 +95,7 @@ static u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) return c; } -static u32 jhash_2words(u32 a, u32 b, u32 initval) +static __noinline u32 jhash_2words(u32 a, u32 b, u32 initval) { return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2)); } @@ -200,8 +198,7 @@ struct { __type(value, struct ctl_value); } ctl_array SEC(".maps"); -static __u32 get_packet_hash(struct packet_description *pckt, - bool ipv6) +static __noinline __u32 get_packet_hash(struct packet_description *pckt, bool ipv6) { if (ipv6) return jhash_2words(jhash(pckt->srcv6, 16, MAX_VIPS), @@ -210,10 +207,10 @@ static __u32 get_packet_hash(struct packet_description *pckt, return jhash_2words(pckt->src, pckt->ports, CH_RINGS_SIZE); } -static bool get_packet_dst(struct real_definition **real, - struct packet_description *pckt, - struct vip_meta *vip_info, - bool is_ipv6) +static __noinline bool get_packet_dst(struct real_definition **real, + struct packet_description *pckt, + struct vip_meta *vip_info, + bool is_ipv6) { __u32 hash = get_packet_hash(pckt, is_ipv6); __u32 key = RING_SIZE * vip_info->vip_num + hash % RING_SIZE; @@ -233,8 +230,8 @@ static bool get_packet_dst(struct real_definition **real, return true; } -static int parse_icmpv6(void *data, void *data_end, __u64 off, - struct packet_description *pckt) +static __noinline int parse_icmpv6(void *data, void *data_end, __u64 off, + struct packet_description *pckt) { struct icmp6hdr *icmp_hdr; struct ipv6hdr *ip6h; @@ -255,8 +252,8 @@ static int parse_icmpv6(void *data, void *data_end, __u64 off, return TC_ACT_UNSPEC; } -static int parse_icmp(void *data, void *data_end, __u64 off, - struct packet_description *pckt) +static __noinline int parse_icmp(void *data, void *data_end, __u64 off, + struct packet_description *pckt) { struct icmphdr *icmp_hdr; struct iphdr *iph; @@ -280,8 +277,8 @@ static int parse_icmp(void *data, void *data_end, __u64 off, return TC_ACT_UNSPEC; } -static bool parse_udp(void *data, __u64 off, void *data_end, - struct packet_description *pckt) +static __noinline bool parse_udp(void *data, __u64 off, void *data_end, + struct packet_description *pckt) { struct udphdr *udp; udp = data + off; @@ -299,8 +296,8 @@ static bool parse_udp(void *data, __u64 off, void *data_end, return true; } -static bool parse_tcp(void *data, __u64 off, void *data_end, - struct packet_description *pckt) +static __noinline bool parse_tcp(void *data, __u64 off, void *data_end, + struct packet_description *pckt) { struct tcphdr *tcp; @@ -321,8 +318,8 @@ static bool parse_tcp(void *data, __u64 off, void *data_end, return true; } -static int process_packet(void *data, __u64 off, void *data_end, - bool is_ipv6, struct __sk_buff *skb) +static __noinline int process_packet(void *data, __u64 off, void *data_end, + bool is_ipv6, struct __sk_buff *skb) { void *pkt_start = (void *)(long)skb->data; struct packet_description pckt = {}; |