diff options
Diffstat (limited to 'tools/perf/include/bpf')
| -rw-r--r-- | tools/perf/include/bpf/bpf.h | 70 | ||||
| -rw-r--r-- | tools/perf/include/bpf/linux/socket.h | 24 | ||||
| -rw-r--r-- | tools/perf/include/bpf/pid_filter.h | 21 | ||||
| -rw-r--r-- | tools/perf/include/bpf/stdio.h | 16 | ||||
| -rw-r--r-- | tools/perf/include/bpf/unistd.h | 10 | 
5 files changed, 0 insertions, 141 deletions
| diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h deleted file mode 100644 index b422aeef5339..000000000000 --- a/tools/perf/include/bpf/bpf.h +++ /dev/null @@ -1,70 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#ifndef _PERF_BPF_H -#define _PERF_BPF_H - -#include <uapi/linux/bpf.h> - -/* - * A helper structure used by eBPF C program to describe map attributes to - * elf_bpf loader, taken from tools/testing/selftests/bpf/bpf_helpers.h: - */ -struct bpf_map { -        unsigned int type; -        unsigned int key_size; -        unsigned int value_size; -        unsigned int max_entries; -        unsigned int map_flags; -        unsigned int inner_map_idx; -        unsigned int numa_node; -}; - -#define bpf_map(name, _type, type_key, type_val, _max_entries)	\ -struct bpf_map SEC("maps") name = {				\ -	.type	     = BPF_MAP_TYPE_##_type,			\ -	.key_size    = sizeof(type_key),			\ -	.value_size  = sizeof(type_val),			\ -	.max_entries = _max_entries,				\ -};								\ -struct ____btf_map_##name {					\ -	type_key key;						\ -	type_val value;                                 	\ -};								\ -struct ____btf_map_##name __attribute__((section(".maps." #name), used)) \ -	____btf_map_##name = { } - -/* - * FIXME: this should receive .max_entries as a parameter, as careful - *	  tuning of these limits is needed to avoid hitting limits that - *	  prevents other BPF constructs, such as tracepoint handlers, - *	  to get installed, with cryptic messages from libbpf, etc. - *	  For the current need, 'perf trace --filter-pids', 64 should - *	  be good enough, but this surely needs to be revisited. - */ -#define pid_map(name, value_type) bpf_map(name, HASH, pid_t, value_type, 64) - -static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem; -static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem; - -static void (*bpf_tail_call)(void *ctx, void *map, int index) = (void *)BPF_FUNC_tail_call; - -#define SEC(NAME) __attribute__((section(NAME),  used)) - -#define probe(function, vars) \ -	SEC(#function "=" #function " " #vars) function - -#define syscall_enter(name) \ -	SEC("syscalls:sys_enter_" #name) syscall_enter_ ## name - -#define syscall_exit(name) \ -	SEC("syscalls:sys_exit_" #name) syscall_exit_ ## name - -#define license(name) \ -char _license[] SEC("license") = #name; \ -int _version SEC("version") = LINUX_VERSION_CODE; - -static int (*probe_read)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read; -static int (*probe_read_str)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read_str; - -static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) = (void *)BPF_FUNC_perf_event_output; - -#endif /* _PERF_BPF_H */ diff --git a/tools/perf/include/bpf/linux/socket.h b/tools/perf/include/bpf/linux/socket.h deleted file mode 100644 index 7f844568dab8..000000000000 --- a/tools/perf/include/bpf/linux/socket.h +++ /dev/null @@ -1,24 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _UAPI_LINUX_SOCKET_H -#define _UAPI_LINUX_SOCKET_H - -/* - * Desired design of maximum size and alignment (see RFC2553) - */ -#define _K_SS_MAXSIZE	128	/* Implementation specific max size */ -#define _K_SS_ALIGNSIZE	(__alignof__ (struct sockaddr *)) -				/* Implementation specific desired alignment */ - -typedef unsigned short __kernel_sa_family_t; - -struct __kernel_sockaddr_storage { -	__kernel_sa_family_t	ss_family;		/* address family */ -	/* Following field(s) are implementation specific */ -	char		__data[_K_SS_MAXSIZE - sizeof(unsigned short)]; -				/* space to achieve desired size, */ -				/* _SS_MAXSIZE value minus size of ss_family */ -} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */ - -#define sockaddr_storage __kernel_sockaddr_storage - -#endif /* _UAPI_LINUX_SOCKET_H */ diff --git a/tools/perf/include/bpf/pid_filter.h b/tools/perf/include/bpf/pid_filter.h deleted file mode 100644 index 6e61c4bdf548..000000000000 --- a/tools/perf/include/bpf/pid_filter.h +++ /dev/null @@ -1,21 +0,0 @@ -// SPDX-License-Identifier: LGPL-2.1 - -#ifndef _PERF_BPF_PID_FILTER_ -#define _PERF_BPF_PID_FILTER_ - -#include <bpf.h> - -#define pid_filter(name) pid_map(name, bool) - -static int pid_filter__add(struct bpf_map *pids, pid_t pid) -{ -	bool value = true; -	return bpf_map_update_elem(pids, &pid, &value, BPF_NOEXIST); -} - -static bool pid_filter__has(struct bpf_map *pids, pid_t pid) -{ -	return bpf_map_lookup_elem(pids, &pid) != NULL; -} - -#endif // _PERF_BPF_PID_FILTER_ diff --git a/tools/perf/include/bpf/stdio.h b/tools/perf/include/bpf/stdio.h deleted file mode 100644 index 316af5b2ff35..000000000000 --- a/tools/perf/include/bpf/stdio.h +++ /dev/null @@ -1,16 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include <bpf.h> - -struct bpf_map SEC("maps") __bpf_stdout__ = { -       .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, -       .key_size = sizeof(int), -       .value_size = sizeof(u32), -       .max_entries = __NR_CPUS__, -}; - -#define puts(from) \ -	({ const int __len = sizeof(from); \ -	   char __from[__len] = from; \ -	   perf_event_output(args, &__bpf_stdout__, BPF_F_CURRENT_CPU, \ -			  &__from, __len & (sizeof(from) - 1)); }) diff --git a/tools/perf/include/bpf/unistd.h b/tools/perf/include/bpf/unistd.h deleted file mode 100644 index ca7877f9a976..000000000000 --- a/tools/perf/include/bpf/unistd.h +++ /dev/null @@ -1,10 +0,0 @@ -// SPDX-License-Identifier: LGPL-2.1 - -#include <bpf.h> - -static int (*bpf_get_current_pid_tgid)(void) = (void *)BPF_FUNC_get_current_pid_tgid; - -static pid_t getpid(void) -{ -	return bpf_get_current_pid_tgid(); -} |