diff options
Diffstat (limited to 'tools/perf/util/probe-event.h')
| -rw-r--r-- | tools/perf/util/probe-event.h | 129 |
1 files changed, 94 insertions, 35 deletions
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index f9f3de8b4220..71905ede0207 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -1,17 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PROBE_EVENT_H #define _PROBE_EVENT_H +#include <linux/compiler.h> #include <stdbool.h> -#include "strlist.h" -#include "strfilter.h" +struct intlist; +struct nsinfo; + +/* Probe related configurations */ +struct probe_conf { + bool show_ext_vars; + bool show_location_range; + bool force_add; + bool no_inlines; + bool cache; + bool bootconfig; + int max_probes; + unsigned long magic_num; +}; +extern struct probe_conf probe_conf; extern bool probe_event_dry_run; +#define DEFAULT_PROBE_MAGIC_NUM 0xdeade12d /* u32: 3735937325 */ + +struct symbol; + /* kprobe-tracer and uprobe-tracer tracing point */ struct probe_trace_point { + char *realname; /* function real name (if needed) */ char *symbol; /* Base symbol */ char *module; /* Module name */ unsigned long offset; /* Offset from symbol */ + unsigned long ref_ctr_offset; /* SDT reference counter offset */ + u64 address; /* Actual address of the trace point */ bool retprobe; /* Return probe flag */ }; @@ -19,6 +41,7 @@ struct probe_trace_point { struct probe_trace_arg_ref { struct probe_trace_arg_ref *next; /* Next reference */ long offset; /* Offset value */ + bool user_access; /* User-memory access */ }; /* kprobe-tracer and uprobe-tracer tracing argument */ @@ -35,6 +58,7 @@ struct probe_trace_event { char *group; /* Group name */ struct probe_trace_point point; /* Trace point */ int nargs; /* Number of args */ + int lang; /* Dwarf language code */ bool uprobes; /* uprobes only */ struct probe_trace_arg *args; /* Arguments */ }; @@ -47,6 +71,7 @@ struct perf_probe_point { bool retprobe; /* Return probe flag */ char *lazy_line; /* Lazy matching pattern */ unsigned long offset; /* Offset from function entry */ + u64 abs_address; /* Absolute address of the point */ }; /* Perf probe probing argument field chain */ @@ -63,6 +88,7 @@ struct perf_probe_arg { char *var; /* Variable name */ char *type; /* Type name */ struct perf_probe_arg_field *field; /* Structure fields */ + bool user_access; /* User-memory access */ }; /* Perf probe probing event (point + arg) */ @@ -71,15 +97,13 @@ struct perf_probe_event { char *group; /* Group name */ struct perf_probe_point point; /* Probe point */ int nargs; /* Number of arguments */ - bool uprobes; + bool sdt; /* SDT/cached event flag */ + bool uprobes; /* Uprobe event flag */ + char *target; /* Target binary */ struct perf_probe_arg *args; /* Arguments */ -}; - - -/* Line number container */ -struct line_node { - struct list_head list; - int line; + struct probe_trace_event *tevs; + int ntevs; + struct nsinfo *nsi; /* Target namespace */ }; /* Line range */ @@ -91,50 +115,85 @@ struct line_range { int offset; /* Start line offset */ char *path; /* Real path name */ char *comp_dir; /* Compile directory */ - struct list_head line_list; /* Visible lines */ + struct intlist *line_list; /* Visible lines */ }; +struct strlist; + /* List of variables */ struct variable_list { struct probe_trace_point point; /* Actual probepoint */ struct strlist *vars; /* Available variables */ }; +struct map; +int init_probe_symbol_maps(bool user_only); +void exit_probe_symbol_maps(void); + /* Command string to events */ -extern int parse_perf_probe_command(const char *cmd, - struct perf_probe_event *pev); +int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev); +int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev); /* Events to command string */ -extern char *synthesize_perf_probe_command(struct perf_probe_event *pev); -extern char *synthesize_probe_trace_command(struct probe_trace_event *tev); -extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, - size_t len); +char *synthesize_perf_probe_command(struct perf_probe_event *pev); +char *synthesize_probe_trace_command(struct probe_trace_event *tev); +char *synthesize_perf_probe_arg(struct perf_probe_arg *pa); + +int perf_probe_event__copy(struct perf_probe_event *dst, + struct perf_probe_event *src); + +bool perf_probe_with_var(struct perf_probe_event *pev); /* Check the perf_probe_event needs debuginfo */ -extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); +bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); /* Release event contents */ -extern void clear_perf_probe_event(struct perf_probe_event *pev); +void clear_perf_probe_event(struct perf_probe_event *pev); +void clear_probe_trace_event(struct probe_trace_event *tev); /* Command string to line-range */ -extern int parse_line_range_desc(const char *cmd, struct line_range *lr); - -/* Internal use: Return kernel/module path */ -extern const char *kernel_get_module_path(const char *module); - -extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, - int max_probe_points, const char *module, - bool force_add); -extern int del_perf_probe_events(struct strlist *dellist); -extern int show_perf_probe_events(void); -extern int show_line_range(struct line_range *lr, const char *module); -extern int show_available_vars(struct perf_probe_event *pevs, int npevs, - int max_probe_points, const char *module, - struct strfilter *filter, bool externs); -extern int show_available_funcs(const char *module, struct strfilter *filter, - bool user); +int parse_line_range_desc(const char *cmd, struct line_range *lr); + +/* Release line range members */ +void line_range__clear(struct line_range *lr); + +/* Initialize line range */ +int line_range__init(struct line_range *lr); + +int convert_perf_probe_events(struct perf_probe_event *pevs, int npevs); +int apply_perf_probe_events(struct perf_probe_event *pevs, int npevs); +int show_probe_trace_events(struct perf_probe_event *pevs, int npevs); +int show_bootconfig_events(struct perf_probe_event *pevs, int npevs); +void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs); + +struct strfilter; + +int show_perf_probe_event(const char *group, const char *event, + struct perf_probe_event *pev, + const char *module, bool use_stdout); +int show_perf_probe_events(struct strfilter *filter); +int show_line_range(struct line_range *lr, const char *module, + struct nsinfo *nsi, bool user); +int show_available_vars(struct perf_probe_event *pevs, int npevs, + struct strfilter *filter); +int show_available_funcs(const char *module, struct nsinfo *nsi, + struct strfilter *filter, bool user); +void arch__fix_tev_from_maps(struct perf_probe_event *pev, + struct probe_trace_event *tev, struct map *map, + struct symbol *sym); + +/* If there is no space to write, returns -E2BIG. */ +int e_snprintf(char *str, size_t size, const char *format, ...) __printf(3, 4); /* Maximum index number of event-name postfix */ #define MAX_EVENT_INDEX 1024 +int copy_to_probe_trace_arg(struct probe_trace_arg *tvar, + struct perf_probe_arg *pvar); + +struct map *get_target_map(const char *target, struct nsinfo *nsi, bool user); + +void arch__post_process_probe_trace_events(struct perf_probe_event *pev, + int ntevs); + #endif /*_PROBE_EVENT_H */ |