X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.h;h=929488841708206fa3016b44cd13991ea82a304e;hp=a20c689971615f86d907f5d8402b213ac10edd09;hb=000fa86f1276f62aa32cdb18f6556db1bdeee09b;hpb=d02666a971a38c0b088ae1570731646d5d663ce4 diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h index a20c68997..929488841 100644 --- a/src/common/kernel-ctl/kernel-ctl.h +++ b/src/common/kernel-ctl/kernel-ctl.h @@ -22,6 +22,7 @@ #include #include #include +#include /* for struct lttng_filter_bytecode */ int kernctl_create_session(int fd); int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); @@ -35,14 +36,34 @@ int kernctl_disable(int fd); int kernctl_start_session(int fd); int kernctl_stop_session(int fd); +/* Apply on event FD */ +int kernctl_filter(int fd, struct lttng_filter_bytecode *filter); + int kernctl_tracepoint_list(int fd); int kernctl_syscall_list(int fd); int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); +int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v); int kernctl_wait_quiescent(int fd); int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); -int kernctl_enable_syscall(int fd, const char *syscall_name); -int kernctl_disable_syscall(int fd, const char *syscall_name); +/* + * kernctl_syscall_mask - Get syscall mask associated to a channel FD. + * + * The parameter @syscall_mask should initially be either NULL or point + * to memory allocated with malloc(3) or realloc(3). When the function + * returns, it will point to a memory area of the size required for the + * bitmask (using realloc(3) to resize the memory). + * + * It returns 0 if OK, -1 on error. In all cases (error and OK), + * @syscall_mask should be freed by the caller with free(3). + */ +int kernctl_syscall_mask(int fd, char **syscall_mask, + uint32_t *nr_bits); + +/* Process ID tracking can be applied to session FD */ +int kernctl_track_pid(int fd, int pid); +int kernctl_untrack_pid(int fd, int pid); +int kernctl_list_tracker_pids(int fd); /* Buffer operations */ @@ -78,5 +99,7 @@ int kernctl_get_content_size(int fd, uint64_t *content_size); int kernctl_get_packet_size(int fd, uint64_t *packet_size); int kernctl_get_stream_id(int fd, uint64_t *stream_id); int kernctl_get_current_timestamp(int fd, uint64_t *ts); +int kernctl_get_sequence_number(int fd, uint64_t *seq); +int kernctl_get_instance_id(int fd, uint64_t *seq); #endif /* _LTTNG_KERNEL_CTL_H */