The new define TSYNC_PER_CPU, enabled by default, can be used to enable
the per CPU timestamps synchronization. It is mostly for development purposes,
to compare this new logic to the legacy one, where a single CPU is used.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
tracecmd/trace-tsync.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tracecmd/trace-tsync.c b/tracecmd/trace-tsync.c
index d44c3850..8de846e1 100644
--- a/tracecmd/trace-tsync.c
+++ b/tracecmd/trace-tsync.c
@@ -31,6 +31,7 @@ static void *tsync_host_thread(void *data)
pthread_exit(0);
}
+#define TSYNC_PER_CPU
int tracecmd_host_tsync(struct buffer_instance *instance,
unsigned int tsync_port)
{
@@ -54,9 +55,11 @@ int tracecmd_host_tsync(struct buffer_instance *instance,
goto out;
}
+#ifdef TSYNC_PER_CPU
ret = trace_get_guest_cpu_mapping(instance->cid,
&instance->tsync.cpu_max,
&instance->tsync.cpu_pid);
+#endif
instance->tsync.msg_handle = msg_handle;
if (top_instance.clock)
--
2.25.1
|