diff options
Diffstat (limited to 'include/traceevent/event-parse.h')
| -rw-r--r-- | include/traceevent/event-parse.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/traceevent/event-parse.h b/include/traceevent/event-parse.h index 0b911e1..2171ad7 100644 --- a/include/traceevent/event-parse.h +++ b/include/traceevent/event-parse.h @@ -14,6 +14,10 @@ #include "trace-seq.h" +#ifdef __cplusplus +extern "C" { +#endif + #ifndef __maybe_unused #define __maybe_unused __attribute__((unused)) #endif @@ -240,6 +244,7 @@ enum tep_print_arg_type { TEP_PRINT_BITMASK, TEP_PRINT_DYNAMIC_ARRAY_LEN, TEP_PRINT_HEX_STR, + TEP_PRINT_CPUMASK, }; struct tep_print_arg { @@ -523,6 +528,9 @@ struct tep_format_field *tep_find_any_field(struct tep_event *event, const char const char *tep_find_function(struct tep_handle *tep, unsigned long long addr); unsigned long long tep_find_function_address(struct tep_handle *tep, unsigned long long addr); +int tep_find_function_info(struct tep_handle *tep, unsigned long long addr, + const char **name, unsigned long long *start, + unsigned long *size); unsigned long long tep_read_number(struct tep_handle *tep, const void *ptr, int size); int tep_read_number_field(struct tep_format_field *field, const void *data, unsigned long long *value); @@ -594,6 +602,8 @@ void tep_ref(struct tep_handle *tep); void tep_unref(struct tep_handle *tep); int tep_get_ref(struct tep_handle *tep); +struct kbuffer *tep_kbuffer(struct tep_handle *tep); + /* for debugging */ void tep_print_funcs(struct tep_handle *tep); void tep_print_printk(struct tep_handle *tep); @@ -774,8 +784,40 @@ enum tep_loglevel { }; void tep_set_loglevel(enum tep_loglevel level); +/* + * Part of the KVM plugin. Will pass the current @event and @record + * as well as a pointer to the address to a guest kernel function. + * This is currently a weak function defined in the KVM plugin and + * should never be called. But a tool can override it, and this will + * be called when the kvm plugin has an address it needs the function + * name of. + * + * This function should return the function name for the given address + * and optionally, it can update @paddr to include the start of the function + * such that the kvm plugin can include an offset. + * + * For an application to be able to override the weak version in the + * plugin, it must be compiled with the gcc -rdynamic option that will + * allow the dynamic linker to use the application's function to + * override this callback. + */ +const char *tep_plugin_kvm_get_func(struct tep_event *event, + struct tep_record *record, + unsigned long long *paddr); + +/* + * tep_plugin_kvm_put_func() is another weak function that can be used + * to call back into the application if the function name returned by + * tep_plugin_kvm_get_func() needs to be freed. + */ +void tep_plugin_kvm_put_func(const char *func); + /* DEPRECATED */ void tep_print_field(struct trace_seq *s, void *data, struct tep_format_field *field); +#ifdef __cplusplus +} +#endif + #endif /* _PARSE_EVENTS_H */ |