Implement LTTng-UST perf counters support

[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 495301e5ff362cc85d9748fa4ad0ee60938b0490..d153a1cff7dafbbc3460f7aac1baae55042263fd 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -188,7 +188,7 @@ 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 +426,9 @@ 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);
+}