| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _LINUX_TRACE_EVENT_H | |
| #define _LINUX_TRACE_EVENT_H | |
| #include <linux/ring_buffer.h> | |
| #include <linux/trace_seq.h> | |
| #include <linux/percpu.h> | |
| #include <linux/hardirq.h> | |
| #include <linux/perf_event.h> | |
| #include <linux/tracepoint.h> | |
| struct trace_array; | |
| struct trace_buffer; | |
| struct tracer; | |
| struct dentry; | |
| struct bpf_prog; | |
| const char *trace_print_flags_seq(struct trace_seq *p, const char *delim, | |
| unsigned long flags, | |
| const struct trace_print_flags *flag_array); | |
| const char *trace_print_symbols_seq(struct trace_seq *p, unsigned long val, | |
| const struct trace_print_flags *symbol_array); | |
| #if BITS_PER_LONG == 32 | |
| const char *trace_print_flags_seq_u64(struct trace_seq *p, const char *delim, | |
| unsigned long long flags, | |
| const struct trace_print_flags_u64 *flag_array); | |
| const char *trace_print_symbols_seq_u64(struct trace_seq *p, | |
| unsigned long long val, | |
| const struct trace_print_flags_u64 | |
| *symbol_array); | |
| #endif | |
| const char *trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr, | |
| unsigned int bitmask_size); | |
| const char *trace_print_hex_seq(struct trace_seq *p, | |
| const unsigned char *buf, int len, | |
| bool concatenate); | |
| const char *trace_print_array_seq(struct trace_seq *p, | |
| const void *buf, int count, | |
| size_t el_size); | |
| struct trace_iterator; | |
| struct trace_event; | |
| int trace_raw_output_prep(struct trace_iterator *iter, | |
| struct trace_event *event); | |
| /* | |
| * The trace entry - the most basic unit of tracing. This is what | |
| * is printed in the end as a single line in the trace output, such as: | |
| * | |
| * bash-15816 [01] 235.197585: idle_cpu <- irq_enter | |
| */ | |
| struct trace_entry { | |
| unsigned short type; | |
| unsigned char flags; | |
| unsigned char preempt_count; | |
| int pid; | |
| }; | |
| #define TRACE_EVENT_TYPE_MAX \ | |
| ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1) | |
| /* | |
| * Trace iterator - used by printout routines who present trace | |
| * results to users and which routines might sleep, etc: | |
| */ | |
| struct trace_iterator { | |
| struct trace_array *tr; | |
| struct tracer *trace; | |
| struct trace_buffer *trace_buffer; | |
| void *private; | |
| int cpu_file; | |
| struct mutex mutex; | |
| struct ring_buffer_iter **buffer_iter; | |
| unsigned long iter_flags; | |
| /* trace_seq for __print_flags() and __print_symbolic() etc. */ | |
| struct trace_seq tmp_seq; | |
| cpumask_var_t started; | |
| /* it's true when current open file is snapshot */ | |
| bool snapshot; | |
| /* The below is zeroed out in pipe_read */ | |
| struct trace_seq seq; | |
| struct trace_entry *ent; | |
| unsigned long lost_events; | |
| int leftover; | |
| int ent_size; | |
| int cpu; | |
| u64 ts; | |
| loff_t pos; | |
| long idx; | |
| /* All new field here will be zeroed out in pipe_read */ | |
| }; | |
| enum trace_iter_flags { | |
| TRACE_FILE_LAT_FMT = 1, | |
| TRACE_FILE_ANNOTATE = 2, | |
| TRACE_FILE_TIME_IN_NS = 4, | |
| }; | |
| typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, | |
| int flags, struct trace_event *event); | |
| struct trace_event_functions { | |
| trace_print_func trace; | |
| trace_print_func raw; | |
| trace_print_func hex; | |
| trace_print_func binary; | |
| }; | |
| struct trace_event { | |
| struct hlist_node node; | |
| struct list_head list; | |
| int type; | |
| struct trace_event_functions *funcs; | |
| }; | |
| extern int register_trace_event(struct trace_event *event); | |
| extern int unregister_trace_event(struct trace_event *event); | |
| /* Return values for print_line callback */ | |
| enum print_line_t { | |
| TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */ | |
| TRACE_TYPE_HANDLED = 1, | |
| TRACE_TYPE_UNHANDLED = 2, /* Relay to other output functions */ | |
| TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */ | |
| }; | |
| enum print_line_t trace_handle_return(struct trace_seq *s); | |
| void tracing_generic_entry_update(struct trace_entry *entry, | |
| unsigned long flags, | |
| int pc); | |
| struct trace_event_file; | |
| struct ring_buffer_event * | |
| trace_event_buffer_lock_reserve(struct ring_buffer **current_buffer, | |
| struct trace_event_file *trace_file, | |
| int type, unsigned long len, | |
| unsigned long flags, int pc); | |
| #define TRACE_RECORD_CMDLINE BIT(0) | |
| #define TRACE_RECORD_TGID BIT(1) | |
| void tracing_record_taskinfo(struct task_struct *task, int flags); | |
| void tracing_record_taskinfo_sched_switch(struct task_struct *prev, | |
| struct task_struct *next, int flags); | |
| void tracing_record_cmdline(struct task_struct *task); | |
| void tracing_record_tgid(struct task_struct *task); | |
| int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...); | |
| struct event_filter; | |
| enum trace_reg { | |
| TRACE_REG_REGISTER, | |
| TRACE_REG_UNREGISTER, | |
| #ifdef CONFIG_PERF_EVENTS | |
| TRACE_REG_PERF_REGISTER, | |
| TRACE_REG_PERF_UNREGISTER, | |
| TRACE_REG_PERF_OPEN, | |
| TRACE_REG_PERF_CLOSE, | |
| /* | |
| * These (ADD/DEL) use a 'boolean' return value, where 1 (true) means a | |
| * custom action was taken and the default action is not to be | |
| * performed. | |
| */ | |
| TRACE_REG_PERF_ADD, | |
| TRACE_REG_PERF_DEL, | |
| #endif | |
| }; | |
| struct trace_event_call; | |
| struct trace_event_class { | |
| const char *system; | |
| void *probe; | |
| #ifdef CONFIG_PERF_EVENTS | |
| void *perf_probe; | |
| #endif | |
| int (*reg)(struct trace_event_call *event, | |
| enum trace_reg type, void *data); | |
| int (*define_fields)(struct trace_event_call *); | |
| struct list_head *(*get_fields)(struct trace_event_call *); | |
| struct list_head fields; | |
| int (*raw_init)(struct trace_event_call *); | |
| }; | |
| extern int trace_event_reg(struct trace_event_call *event, | |
| enum trace_reg type, void *data); | |
| struct trace_event_buffer { | |
| struct ring_buffer *buffer; | |
| struct ring_buffer_event *event; | |
| struct trace_event_file *trace_file; | |
| void *entry; | |
| unsigned long flags; | |
| int pc; | |
| }; | |
| void *trace_event_buffer_reserve(struct trace_event_buffer *fbuffer, | |
| struct trace_event_file *trace_file, | |
| unsigned long len); | |
| void trace_event_buffer_commit(struct trace_event_buffer *fbuffer); | |
| enum { | |
| TRACE_EVENT_FL_FILTERED_BIT, | |
| TRACE_EVENT_FL_CAP_ANY_BIT, | |
| TRACE_EVENT_FL_NO_SET_FILTER_BIT, | |
| TRACE_EVENT_FL_IGNORE_ENABLE_BIT, | |
| TRACE_EVENT_FL_TRACEPOINT_BIT, | |
| TRACE_EVENT_FL_KPROBE_BIT, | |
| TRACE_EVENT_FL_UPROBE_BIT, | |
| }; | |
| /* | |
| * Event flags: | |
| * FILTERED - The event has a filter attached | |
| * CAP_ANY - Any user can enable for perf | |
| * NO_SET_FILTER - Set when filter has error and is to be ignored | |
| * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file | |
| * TRACEPOINT - Event is a tracepoint | |
| * KPROBE - Event is a kprobe | |
| * UPROBE - Event is a uprobe | |
| */ | |
| enum { | |
| TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), | |
| TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), | |
| TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), | |
| TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), | |
| TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT), | |
| TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), | |
| TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT), | |
| }; | |
| #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE) | |
| struct trace_event_call { | |
| struct list_head list; | |
| struct trace_event_class *class; | |
| union { | |
| char *name; | |
| /* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */ | |
| struct tracepoint *tp; | |
| }; | |
| struct trace_event event; | |
| char *print_fmt; | |
| struct event_filter *filter; | |
| void *mod; | |
| void *data; | |
| /* | |
| * bit 0: filter_active | |
| * bit 1: allow trace by non root (cap any) | |
| * bit 2: failed to apply filter | |
| * bit 3: trace internal event (do not enable) | |
| * bit 4: Event was enabled by module | |
| * bit 5: use call filter rather than file filter | |
| * bit 6: Event is a tracepoint | |
| */ | |
| int flags; /* static flags of different events */ | |
| #ifdef CONFIG_PERF_EVENTS | |
| int perf_refcount; | |
| struct hlist_head __percpu *perf_events; | |
| struct bpf_prog_array __rcu *prog_array; | |
| int (*perf_perm)(struct trace_event_call *, | |
| struct perf_event *); | |
| #endif | |
| }; | |
| #ifdef CONFIG_PERF_EVENTS | |
| static inline bool bpf_prog_array_valid(struct trace_event_call *call) | |
| { | |
| /* | |
| * This inline function checks whether call->prog_array | |
| * is valid or not. The function is called in various places, | |
| * outside rcu_read_lock/unlock, as a heuristic to speed up execution. | |
| * | |
| * If this function returns true, and later call->prog_array | |
| * becomes false inside rcu_read_lock/unlock region, | |
| * we bail out then. If this function return false, | |
| * there is a risk that we might miss a few events if the checking | |
| * were delayed until inside rcu_read_lock/unlock region and | |
| * call->prog_array happened to become non-NULL then. | |
| * | |
| * Here, READ_ONCE() is used instead of rcu_access_pointer(). | |
| * rcu_access_pointer() requires the actual definition of | |
| * "struct bpf_prog_array" while READ_ONCE() only needs | |
| * a declaration of the same type. | |
| */ | |
| return !!READ_ONCE(call->prog_array); | |
| } | |
| #endif | |
| static inline const char * | |
| trace_event_name(struct trace_event_call *call) | |
| { | |
| if (call->flags & TRACE_EVENT_FL_TRACEPOINT) | |
| return call->tp ? call->tp->name : NULL; | |
| else | |
| return call->name; | |
| } | |
| struct trace_array; | |
| struct trace_subsystem_dir; | |
| enum { | |
| EVENT_FILE_FL_ENABLED_BIT, | |
| EVENT_FILE_FL_RECORDED_CMD_BIT, | |
| EVENT_FILE_FL_RECORDED_TGID_BIT, | |
| EVENT_FILE_FL_FILTERED_BIT, | |
| EVENT_FILE_FL_NO_SET_FILTER_BIT, | |
| EVENT_FILE_FL_SOFT_MODE_BIT, | |
| EVENT_FILE_FL_SOFT_DISABLED_BIT, | |
| EVENT_FILE_FL_TRIGGER_MODE_BIT, | |
| EVENT_FILE_FL_TRIGGER_COND_BIT, | |
| EVENT_FILE_FL_PID_FILTER_BIT, | |
| EVENT_FILE_FL_WAS_ENABLED_BIT, | |
| }; | |
| /* | |
| * Event file flags: | |
| * ENABLED - The event is enabled | |
| * RECORDED_CMD - The comms should be recorded at sched_switch | |
| * RECORDED_TGID - The tgids should be recorded at sched_switch | |
| * FILTERED - The event has a filter attached | |
| * NO_SET_FILTER - Set when filter has error and is to be ignored | |
| * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED | |
| * SOFT_DISABLED - When set, do not trace the event (even though its | |
| * tracepoint may be enabled) | |
| * TRIGGER_MODE - When set, invoke the triggers associated with the event | |
| * TRIGGER_COND - When set, one or more triggers has an associated filter | |
| * PID_FILTER - When set, the event is filtered based on pid | |
| * WAS_ENABLED - Set when enabled to know to clear trace on module removal | |
| */ | |
| enum { | |
| EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT), | |
| EVENT_FILE_FL_RECORDED_CMD = (1 << EVENT_FILE_FL_RECORDED_CMD_BIT), | |
| EVENT_FILE_FL_RECORDED_TGID = (1 << EVENT_FILE_FL_RECORDED_TGID_BIT), | |
| EVENT_FILE_FL_FILTERED = (1 << EVENT_FILE_FL_FILTERED_BIT), | |
| EVENT_FILE_FL_NO_SET_FILTER = (1 << EVENT_FILE_FL_NO_SET_FILTER_BIT), | |
| EVENT_FILE_FL_SOFT_MODE = (1 << EVENT_FILE_FL_SOFT_MODE_BIT), | |
| EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT), | |
| EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT), | |
| EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT), | |
| EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT), | |
| EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT), | |
| }; | |
| struct trace_event_file { | |
| struct list_head list; | |
| struct trace_event_call *event_call; | |
| struct event_filter __rcu *filter; | |
| struct dentry *dir; | |
| struct trace_array *tr; | |
| struct trace_subsystem_dir *system; | |
| struct list_head triggers; | |
| /* | |
| * 32 bit flags: | |
| * bit 0: enabled | |
| * bit 1: enabled cmd record | |
| * bit 2: enable/disable with the soft disable bit | |
| * bit 3: soft disabled | |
| * bit 4: trigger enabled | |
| * | |
| * Note: The bits must be set atomically to prevent races | |
| * from other writers. Reads of flags do not need to be in | |
| * sync as they occur in critical sections. But the way flags | |
| * is currently used, these changes do not affect the code | |
| * except that when a change is made, it may have a slight | |
| * delay in propagating the changes to other CPUs due to | |
| * caching and such. Which is mostly OK ;-) | |
| */ | |
| unsigned long flags; | |
| atomic_t sm_ref; /* soft-mode reference counter */ | |
| atomic_t tm_ref; /* trigger-mode reference counter */ | |
| }; | |
| #define __TRACE_EVENT_FLAGS(name, value) \ | |
| static int __init trace_init_flags_##name(void) \ | |
| { \ | |
| event_##name.flags |= value; \ | |
| return 0; \ | |
| } \ | |
| early_initcall(trace_init_flags_##name); | |
| #define __TRACE_EVENT_PERF_PERM(name, expr...) \ | |
| static int perf_perm_##name(struct trace_event_call *tp_event, \ | |
| struct perf_event *p_event) \ | |
| { \ | |
| return ({ expr; }); \ | |
| } \ | |
| static int __init trace_init_perf_perm_##name(void) \ | |
| { \ | |
| event_##name.perf_perm = &perf_perm_##name; \ | |
| return 0; \ | |
| } \ | |
| early_initcall(trace_init_perf_perm_##name); | |
| #define PERF_MAX_TRACE_SIZE 2048 | |
| #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ | |
| enum event_trigger_type { | |
| ETT_NONE = (0), | |
| ETT_TRACE_ONOFF = (1 << 0), | |
| ETT_SNAPSHOT = (1 << 1), | |
| ETT_STACKTRACE = (1 << 2), | |
| ETT_EVENT_ENABLE = (1 << 3), | |
| ETT_EVENT_HIST = (1 << 4), | |
| ETT_HIST_ENABLE = (1 << 5), | |
| }; | |
| extern int filter_match_preds(struct event_filter *filter, void *rec); | |
| extern enum event_trigger_type | |
| event_triggers_call(struct trace_event_file *file, void *rec, | |
| struct ring_buffer_event *event); | |
| extern void | |
| event_triggers_post_call(struct trace_event_file *file, | |
| enum event_trigger_type tt); | |
| bool trace_event_ignore_this_pid(struct trace_event_file *trace_file); | |
| /** | |
| * trace_trigger_soft_disabled - do triggers and test if soft disabled | |
| * @file: The file pointer of the event to test | |
| * | |
| * If any triggers without filters are attached to this event, they | |
| * will be called here. If the event is soft disabled and has no | |
| * triggers that require testing the fields, it will return true, | |
| * otherwise false. | |
| */ | |
| static inline bool | |
| trace_trigger_soft_disabled(struct trace_event_file *file) | |
| { | |
| unsigned long eflags = file->flags; | |
| if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) { | |
| if (eflags & EVENT_FILE_FL_TRIGGER_MODE) | |
| event_triggers_call(file, NULL, NULL); | |
| if (eflags & EVENT_FILE_FL_SOFT_DISABLED) | |
| return true; | |
| if (eflags & EVENT_FILE_FL_PID_FILTER) | |
| return trace_event_ignore_this_pid(file); | |
| } | |
| return false; | |
| } | |
| #ifdef CONFIG_BPF_EVENTS | |
| unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx); | |
| int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog); | |
| void perf_event_detach_bpf_prog(struct perf_event *event); | |
| int perf_event_query_prog_array(struct perf_event *event, void __user *info); | |
| int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog); | |
| int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog); | |
| struct bpf_raw_event_map *bpf_find_raw_tracepoint(const char *name); | |
| int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id, | |
| u32 *fd_type, const char **buf, | |
| u64 *probe_offset, u64 *probe_addr); | |
| #else | |
| static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx) | |
| { | |
| return 1; | |
| } | |
| static inline int | |
| perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline void perf_event_detach_bpf_prog(struct perf_event *event) { } | |
| static inline int | |
| perf_event_query_prog_array(struct perf_event *event, void __user *info) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline struct bpf_raw_event_map *bpf_find_raw_tracepoint(const char *name) | |
| { | |
| return NULL; | |
| } | |
| static inline int bpf_get_perf_event_info(const struct perf_event *event, | |
| u32 *prog_id, u32 *fd_type, | |
| const char **buf, u64 *probe_offset, | |
| u64 *probe_addr) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| #endif | |
| enum { | |
| FILTER_OTHER = 0, | |
| FILTER_STATIC_STRING, | |
| FILTER_DYN_STRING, | |
| FILTER_PTR_STRING, | |
| FILTER_TRACE_FN, | |
| FILTER_COMM, | |
| FILTER_CPU, | |
| }; | |
| extern int trace_event_raw_init(struct trace_event_call *call); | |
| extern int trace_define_field(struct trace_event_call *call, const char *type, | |
| const char *name, int offset, int size, | |
| int is_signed, int filter_type); | |
| extern int trace_add_event_call_nolock(struct trace_event_call *call); | |
| extern int trace_remove_event_call_nolock(struct trace_event_call *call); | |
| extern int trace_add_event_call(struct trace_event_call *call); | |
| extern int trace_remove_event_call(struct trace_event_call *call); | |
| extern int trace_event_get_offsets(struct trace_event_call *call); | |
| #define is_signed_type(type) (((type)(-1)) < (type)1) | |
| int trace_set_clr_event(const char *system, const char *event, int set); | |
| /* | |
| * The double __builtin_constant_p is because gcc will give us an error | |
| * if we try to allocate the static variable to fmt if it is not a | |
| * constant. Even with the outer if statement optimizing out. | |
| */ | |
| #define event_trace_printk(ip, fmt, args...) \ | |
| do { \ | |
| __trace_printk_check_format(fmt, ##args); \ | |
| tracing_record_cmdline(current); \ | |
| if (__builtin_constant_p(fmt)) { \ | |
| static const char *trace_printk_fmt \ | |
| __attribute__((section("__trace_printk_fmt"))) = \ | |
| __builtin_constant_p(fmt) ? fmt : NULL; \ | |
| \ | |
| __trace_bprintk(ip, trace_printk_fmt, ##args); \ | |
| } else \ | |
| __trace_printk(ip, fmt, ##args); \ | |
| } while (0) | |
| #ifdef CONFIG_PERF_EVENTS | |
| struct perf_event; | |
| DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); | |
| DECLARE_PER_CPU(int, bpf_kprobe_override); | |
| extern int perf_trace_init(struct perf_event *event); | |
| extern void perf_trace_destroy(struct perf_event *event); | |
| extern int perf_trace_add(struct perf_event *event, int flags); | |
| extern void perf_trace_del(struct perf_event *event, int flags); | |
| #ifdef CONFIG_KPROBE_EVENTS | |
| extern int perf_kprobe_init(struct perf_event *event, bool is_retprobe); | |
| extern void perf_kprobe_destroy(struct perf_event *event); | |
| extern int bpf_get_kprobe_info(const struct perf_event *event, | |
| u32 *fd_type, const char **symbol, | |
| u64 *probe_offset, u64 *probe_addr, | |
| bool perf_type_tracepoint); | |
| #endif | |
| #ifdef CONFIG_UPROBE_EVENTS | |
| extern int perf_uprobe_init(struct perf_event *event, bool is_retprobe); | |
| extern void perf_uprobe_destroy(struct perf_event *event); | |
| extern int bpf_get_uprobe_info(const struct perf_event *event, | |
| u32 *fd_type, const char **filename, | |
| u64 *probe_offset, bool perf_type_tracepoint); | |
| #endif | |
| extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, | |
| char *filter_str); | |
| extern void ftrace_profile_free_filter(struct perf_event *event); | |
| void perf_trace_buf_update(void *record, u16 type); | |
| void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp); | |
| void bpf_trace_run1(struct bpf_prog *prog, u64 arg1); | |
| void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2); | |
| void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3); | |
| void bpf_trace_run4(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4); | |
| void bpf_trace_run5(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5); | |
| void bpf_trace_run6(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6); | |
| void bpf_trace_run7(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7); | |
| void bpf_trace_run8(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
| u64 arg8); | |
| void bpf_trace_run9(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
| u64 arg8, u64 arg9); | |
| void bpf_trace_run10(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
| u64 arg8, u64 arg9, u64 arg10); | |
| void bpf_trace_run11(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
| u64 arg8, u64 arg9, u64 arg10, u64 arg11); | |
| void bpf_trace_run12(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
| u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
| u64 arg8, u64 arg9, u64 arg10, u64 arg11, u64 arg12); | |
| void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx, | |
| struct trace_event_call *call, u64 count, | |
| struct pt_regs *regs, struct hlist_head *head, | |
| struct task_struct *task); | |
| static inline void | |
| perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type, | |
| u64 count, struct pt_regs *regs, void *head, | |
| struct task_struct *task) | |
| { | |
| perf_tp_event(type, count, raw_data, size, regs, head, rctx, task); | |
| } | |
| #endif | |
| #endif /* _LINUX_TRACE_EVENT_H */ |