kernctl commands to extract the stream instance id

[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.h

diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h
index 7c5f8bebefb55b2156b7214b9ef59476aef927a6..929488841708206fa3016b44cd13991ea82a304e 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.h
+++ b/src/common/kernel-ctl/kernel-ctl.h
@@ -22,6 +22,7 @@
 #include <lttng/lttng.h>
 #include <common/lttng-kernel.h>
 #include <common/lttng-kernel-old.h>
+#include <common/sessiond-comm/sessiond-comm.h>        /* for struct lttng_filter_bytecode */
 
 int kernctl_create_session(int fd);
 int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
@@ -35,11 +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);
 
+/*
+ * 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 */
 
@@ -75,5 +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 */