X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=ce8d8a0eb1f4ec4df60d388589be6ab209673b4f;hb=6e911cad03751b6814fddd65b19a592acdc2b7b7;hp=495301e5ff362cc85d9748fa4ad0ee60938b0490;hpb=309167d2a6f59d0c8cbf64eb23ba912cdea76a34;p=lttng-tools.git

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index 495301e5f..ce8d8a0eb 100644
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -139,6 +139,30 @@ int kernctl_create_channel(int fd, struct lttng_channel_attr *chops)
 	return ioctl(fd, LTTNG_KERNEL_CHANNEL, &channel);
 }
 
+int kernctl_enable_syscall(int fd, const char *syscall_name)
+{
+	struct lttng_kernel_event event;
+
+	memset(&event, 0, sizeof(event));
+	strncpy(event.name, syscall_name, sizeof(event.name));
+	event.name[sizeof(event.name) - 1] = '\0';
+	event.instrumentation = LTTNG_KERNEL_SYSCALL;
+	event.u.syscall.disable = 0;
+	return ioctl(fd, LTTNG_KERNEL_EVENT, &event);
+}
+
+int kernctl_disable_syscall(int fd, const char *syscall_name)
+{
+	struct lttng_kernel_event event;
+
+	memset(&event, 0, sizeof(event));
+	strncpy(event.name, syscall_name, sizeof(event.name));
+	event.name[sizeof(event.name) - 1] = '\0';
+	event.instrumentation = LTTNG_KERNEL_SYSCALL;
+	event.u.syscall.disable = 1;
+	return ioctl(fd, LTTNG_KERNEL_EVENT, &event);
+}
+
 int kernctl_create_stream(int fd)
 {
 	return compat_ioctl_no_arg(fd, LTTNG_KERNEL_OLD_STREAM,
@@ -188,7 +212,7 @@ int kernctl_add_context(int fd, struct lttng_kernel_context *ctx)
 
 		old_ctx.ctx = ctx->ctx;
 		/* only type that uses the union */
-		if (ctx->ctx == LTTNG_KERNEL_CONTEXT_PERF_COUNTER) {
+		if (ctx->ctx == LTTNG_KERNEL_CONTEXT_PERF_CPU_COUNTER) {
 			old_ctx.u.perf_counter.type =
 				ctx->u.perf_counter.type;
 			old_ctx.u.perf_counter.config =
@@ -426,3 +450,9 @@ int kernctl_get_stream_id(int fd, uint64_t *stream_id)
 {
 	return ioctl(fd, LTTNG_RING_BUFFER_GET_STREAM_ID, stream_id);
 }
+
+/* Returns the current timestamp. */
+int kernctl_get_current_timestamp(int fd, uint64_t *ts)
+{
+	return ioctl(fd, LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP, ts);
+}