kernel-ctl: Expose kernel clear buffer operation

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

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index 047d40a34d80ea611ff940a78efdb26ebf9127bd..5f25adf02dc269debabcbdad5d04729ec0d46eb3 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -22,9 +22,11 @@
 #include <sys/ioctl.h>
 #include <string.h>
 #include <common/align.h>
+#include <common/macros.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <assert.h>
+#include <common/time.h>
 
 #include "kernel-ctl.h"
 #include "kernel-ioctl.h"
@@ -238,6 +240,39 @@ int kernctl_session_regenerate_statedump(int fd)
        return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_SESSION_STATEDUMP);
 }
 
+int kernctl_session_set_name(int fd, const char *name)
+{
+       int ret;
+       struct lttng_kernel_session_name session_name;
+
+       ret = lttng_strncpy(session_name.name, name, sizeof(session_name.name));
+       if (ret) {
+               goto end;
+       }
+
+       ret = LTTNG_IOCTL_CHECK(
+                       fd, LTTNG_KERNEL_SESSION_SET_NAME, &session_name);
+end:
+       return ret;
+}
+
+int kernctl_session_set_creation_time(int fd, time_t time)
+{
+       int ret;
+       struct lttng_kernel_session_creation_time creation_time;
+
+       ret = time_to_iso8601_str(time, creation_time.iso8601,
+                       sizeof(creation_time.iso8601));
+       if (ret) {
+               goto end;
+       }
+
+       ret = LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_SESSION_SET_CREATION_TIME,
+                       &creation_time);
+end:
+       return ret;
+}
+
 int kernctl_create_stream(int fd)
 {
        return compat_ioctl_no_arg(fd, LTTNG_KERNEL_OLD_STREAM,
@@ -418,6 +453,11 @@ int kernctl_buffer_flush_empty(int fd)
        return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_FLUSH_EMPTY);
 }
 
+int kernctl_buffer_clear(int fd)
+{
+       return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_CLEAR);
+}
+
 /* returns the version of the metadata. */
 int kernctl_get_metadata_version(int fd, uint64_t *version)
 {