Implement PID tracking for kernel tracing

[lttng-tools.git] / src / bin / lttng-sessiond / kernel.h

diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h
index 4591e48f34e0633493ec7f283d89f6f6ebecac0c..3739bc9998abf59479b0a8af9d6db2fda79eccd9 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -19,6 +19,7 @@
 #define _LTT_KERNEL_CTL_H
 
 #include "session.h"
+#include "snapshot.h"
 #include "trace-kernel.h"
 
 /*
@@ -31,17 +32,21 @@
 #define KERNEL_EVENT_INIT_LIST_SIZE 64
 
 int kernel_add_channel_context(struct ltt_kernel_channel *chan,
-               struct lttng_kernel_context *ctx);
-int kernel_add_event_context(struct ltt_kernel_event *event,
-               struct lttng_kernel_context *ctx);
+               struct ltt_kernel_context *ctx);
 int kernel_create_session(struct ltt_session *session, int tracer_fd);
 int kernel_create_channel(struct ltt_kernel_session *session,
-               struct lttng_channel *chan, char *path);
+               struct lttng_channel *chan);
 int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel);
 int kernel_disable_channel(struct ltt_kernel_channel *chan);
 int kernel_disable_event(struct ltt_kernel_event *event);
 int kernel_enable_event(struct ltt_kernel_event *event);
 int kernel_enable_channel(struct ltt_kernel_channel *chan);
+int kernel_enable_syscall(const char *syscall_name,
+               struct ltt_kernel_channel *channel);
+int kernel_disable_syscall(const char *syscall_name,
+               struct ltt_kernel_channel *channel);
+int kernel_track_pid(struct ltt_kernel_session *session, int pid);
+int kernel_untrack_pid(struct ltt_kernel_session *session, int pid);
 int kernel_open_metadata(struct ltt_kernel_session *session);
 int kernel_open_metadata_stream(struct ltt_kernel_session *session);
 int kernel_open_channel_stream(struct ltt_kernel_channel *channel);
@@ -53,6 +58,12 @@ ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
 void kernel_wait_quiescent(int fd);
 int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
 int kernel_validate_version(int tracer_fd);
+void kernel_destroy_session(struct ltt_kernel_session *ksess);
+void kernel_destroy_channel(struct ltt_kernel_channel *kchan);
+int kernel_snapshot_record(struct ltt_kernel_session *ksess,
+               struct snapshot_output *output, int wait,
+               uint64_t nb_packets_per_stream);
+int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits);
 
 int init_kernel_workarounds(void);