X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Flttng-kernel.h;h=8d87539a47ac25b05a8e86d239422a1af8a81dc2;hp=cbeed1b1982c057d944d64c5ba2496a4f411e492;hb=e9404c27e7cc9d841785e6c4292c1add19fbc1cc;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76 diff --git a/src/common/lttng-kernel.h b/src/common/lttng-kernel.h index cbeed1b19..8d87539a4 100644 --- a/src/common/lttng-kernel.h +++ b/src/common/lttng-kernel.h @@ -21,6 +21,7 @@ #define _LTTNG_KERNEL_H #include +#include #define LTTNG_KERNEL_SYM_NAME_LEN 256 @@ -42,7 +43,7 @@ enum lttng_kernel_instrumentation { enum lttng_kernel_context_type { LTTNG_KERNEL_CONTEXT_PID = 0, - LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1, + LTTNG_KERNEL_CONTEXT_PERF_CPU_COUNTER = 1, LTTNG_KERNEL_CONTEXT_PROCNAME = 2, LTTNG_KERNEL_CONTEXT_PRIO = 3, LTTNG_KERNEL_CONTEXT_NICE = 4, @@ -51,6 +52,12 @@ enum lttng_kernel_context_type { LTTNG_KERNEL_CONTEXT_VTID = 7, LTTNG_KERNEL_CONTEXT_PPID = 8, LTTNG_KERNEL_CONTEXT_VPPID = 9, + LTTNG_KERNEL_CONTEXT_HOSTNAME = 10, + LTTNG_KERNEL_CONTEXT_CPU_ID = 11, + LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE = 12, + LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13, + LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14, + LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15, }; /* Perf counter attributes */ @@ -58,7 +65,7 @@ struct lttng_kernel_perf_counter_ctx { uint32_t type; uint64_t config; char name[LTTNG_KERNEL_SYM_NAME_LEN]; -}; +} LTTNG_PACKED; /* Event/Channel context */ #define LTTNG_KERNEL_CONTEXT_PADDING1 16 @@ -71,14 +78,14 @@ struct lttng_kernel_context { struct lttng_kernel_perf_counter_ctx perf_counter; char padding[LTTNG_KERNEL_CONTEXT_PADDING2]; } u; -}; +} LTTNG_PACKED; struct lttng_kernel_kretprobe { uint64_t addr; uint64_t offset; char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; -}; +} LTTNG_PACKED; /* * Either addr is used, or symbol_name and offset. @@ -88,12 +95,12 @@ struct lttng_kernel_kprobe { uint64_t offset; char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; -}; +} LTTNG_PACKED; /* Function tracer */ struct lttng_kernel_function { char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; -}; +} LTTNG_PACKED; #define LTTNG_KERNEL_EVENT_PADDING1 16 #define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32 @@ -109,20 +116,45 @@ struct lttng_kernel_event { struct lttng_kernel_function ftrace; char padding[LTTNG_KERNEL_EVENT_PADDING2]; } u; -}; +} LTTNG_PACKED; struct lttng_kernel_tracer_version { uint32_t major; uint32_t minor; uint32_t patchlevel; -}; +} LTTNG_PACKED; -enum lttng_kernel_calibrate_type { - LTTNG_KERNEL_CALIBRATE_KRETPROBE, -}; +struct lttng_kernel_tracer_abi_version { + uint32_t major; + uint32_t minor; +} LTTNG_PACKED; -struct lttng_kernel_calibrate { - enum lttng_kernel_calibrate_type type; /* type (input) */ -}; +struct lttng_kernel_syscall_mask { + uint32_t len; /* in bits */ + char mask[]; +} LTTNG_PACKED; + +/* + * kernel channel + */ +#define LTTNG_KERNEL_CHANNEL_PADDING1 LTTNG_SYMBOL_NAME_LEN + 32 +struct lttng_kernel_channel { + uint64_t subbuf_size; /* bytes */ + uint64_t num_subbuf; /* power of 2 */ + unsigned int switch_timer_interval; /* usec */ + unsigned int read_timer_interval; /* usec */ + enum lttng_event_output output; /* splice, mmap */ + + int overwrite; /* 1: overwrite, 0: discard */ + char padding[LTTNG_KERNEL_CHANNEL_PADDING1]; +} LTTNG_PACKED; + +#define KERNEL_FILTER_BYTECODE_MAX_LEN 65536 +struct lttng_kernel_filter_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char data[0]; +} LTTNG_PACKED; #endif /* _LTTNG_KERNEL_H */