X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Flttng-kernel.h;h=343d68dab2735e39acf2135183cfa550d007961d;hp=cd343bb766c81ea39f7f2ae8dbcd6de058954679;hb=refs%2Fheads%2Fsow-2020-0002-rev2;hpb=11f6ce94d8fb73f017888681aaba5d7df55fc735 diff --git a/src/common/lttng-kernel.h b/src/common/lttng-kernel.h index cd343bb76..343d68dab 100644 --- a/src/common/lttng-kernel.h +++ b/src/common/lttng-kernel.h @@ -178,18 +178,140 @@ struct lttng_kernel_event { } u; } LTTNG_PACKED; -#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING 40 +#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING 32 struct lttng_kernel_event_notifier { struct lttng_kernel_event event; + uint64_t error_counter_idx; + char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING]; } LTTNG_PACKED; -#define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 34 +enum lttng_kernel_key_token_type { + LTTNG_KERNEL_KEY_TOKEN_STRING = 0, /* arg: strtab_offset. */ + LTTNG_KERNEL_KEY_TOKEN_EVENT_NAME = 1, /* no arg. */ +}; + +#define LTTNG_KERNEL_KEY_ARG_PADDING1 60 +#define LTTNG_KERNEL_KEY_TOKEN_STRING_LEN_MAX 256 +struct lttng_kernel_key_token { + uint32_t type; /* enum lttng_kernel_key_token_type */ + union { + uint64_t string_ptr; + char padding[LTTNG_KERNEL_KEY_ARG_PADDING1]; + } arg; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_NR_KEY_TOKEN 4 +struct lttng_kernel_counter_key_dimension { + uint32_t nr_key_tokens; + struct lttng_kernel_key_token key_tokens[LTTNG_KERNEL_NR_KEY_TOKEN]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_DIMENSION_MAX 4 +struct lttng_kernel_counter_key { + uint32_t nr_dimensions; + struct lttng_kernel_counter_key_dimension key_dimensions[LTTNG_KERNEL_COUNTER_DIMENSION_MAX]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_EVENT_PADDING1 16 +struct lttng_kernel_counter_event { + struct lttng_kernel_event event; + struct lttng_kernel_counter_key key; + char padding[LTTNG_KERNEL_COUNTER_EVENT_PADDING1]; +} LTTNG_PACKED; + +enum lttng_kernel_counter_arithmetic { + LTTNG_KERNEL_COUNTER_ARITHMETIC_MODULAR = 0, +}; + +enum lttng_kernel_counter_bitness { + LTTNG_KERNEL_COUNTER_BITNESS_32 = 0, + LTTNG_KERNEL_COUNTER_BITNESS_64 = 1, +}; + +struct lttng_kernel_counter_dimension { + uint64_t size; + uint64_t underflow_index; + uint64_t overflow_index; + uint8_t has_underflow; + uint8_t has_overflow; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_CONF_PADDING1 67 +struct lttng_kernel_counter_conf { + uint32_t arithmetic; /* enum lttng_kernel_counter_arithmetic */ + uint32_t bitness; /* enum lttng_kernel_counter_bitness */ + uint32_t number_dimensions; + int64_t global_sum_step; + struct lttng_kernel_counter_dimension dimensions[LTTNG_KERNEL_COUNTER_DIMENSION_MAX]; + uint8_t coalesce_hits; + char padding[LTTNG_KERNEL_COUNTER_CONF_PADDING1]; +} LTTNG_PACKED; + +struct lttng_kernel_counter_index { + uint32_t number_dimensions; + uint64_t dimension_indexes[LTTNG_KERNEL_COUNTER_DIMENSION_MAX]; +} LTTNG_PACKED; + +struct lttng_kernel_counter_value { + int64_t value; + uint8_t underflow; + uint8_t overflow; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_READ_PADDING 32 +struct lttng_kernel_counter_read { + struct lttng_kernel_counter_index index; + int32_t cpu; /* -1 for global counter, >= 0 for specific cpu. */ + struct lttng_kernel_counter_value value; /* output */ + char padding[LTTNG_KERNEL_COUNTER_READ_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_AGGREGATE_PADDING 32 +struct lttng_kernel_counter_aggregate { + struct lttng_kernel_counter_index index; + struct lttng_kernel_counter_value value; /* output */ + char padding[LTTNG_KERNEL_COUNTER_AGGREGATE_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_CLEAR_PADDING 32 +struct lttng_kernel_counter_clear { + struct lttng_kernel_counter_index index; + char padding[LTTNG_KERNEL_COUNTER_CLEAR_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_COUNTER_MAP_NR_DESCRIPTORS_PADDING 32 +struct lttng_kernel_counter_map_nr_descriptors { + uint64_t nr_descriptors; +}; + +#define LTTNG_KERNEL_COUNTER_KEY_LEN 256 +#define LTTNG_KERNEL_COUNTER_MAP_DESCRIPTOR_PADDING 32 +struct lttng_kernel_counter_map_descriptor { + uint64_t descriptor_index; /* input. [ 0 .. nr_descriptors - 1 ] */ + uint32_t dimension; /* outputs */ + uint64_t array_index; + uint64_t user_token; + char key[LTTNG_KERNEL_COUNTER_KEY_LEN]; + + char padding[LTTNG_KERNEL_COUNTER_MAP_DESCRIPTOR_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 struct lttng_kernel_event_notifier_notification { uint64_t token; + uint16_t capture_buf_size; char padding[LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING]; } LTTNG_PACKED; +#define LTTNG_KERNEL_CAPTURE_BYTECODE_MAX_LEN 65536 +struct lttng_kernel_capture_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char data[0]; +} LTTNG_PACKED; + struct lttng_kernel_tracer_version { uint32_t major; uint32_t minor;