From 903fd513e32a37e55aec0cfb4cf30e000680e0c3 Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Sat, 1 Apr 2017 11:07:40 -0400 Subject: Clean up event log merge code Fix a decade-old ridiculous qsort function bug. Managed to subtract floating-point numbers as if they were integers, leading to manufactured time-paradoxes. That completely confuses g2, leading to the summary disappearance of entire tracks' worth of data at high zoom levels. Add a manual alignment tweak parameter to elog_merge, users can dial-out time paradoxes caused by NTP-grade clock synchronization. The event-logger has a precision of O(100ns), whereas NTP synchronization is O(1ms). Change-Id: I69dedabaa314f69f9df74ec9ee66e21e6c87f703 Signed-off-by: Dave Barach --- src/vlib/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/vlib') diff --git a/src/vlib/main.c b/src/vlib/main.c index 55a731f16c6..a27268608f3 100644 --- a/src/vlib/main.c +++ b/src/vlib/main.c @@ -701,7 +701,7 @@ elog_save_buffer (vlib_main_t * vm, elog_buffer_capacity (em), chroot_file); vlib_worker_thread_barrier_sync (vm); - error = elog_write_file (em, chroot_file); + error = elog_write_file (em, chroot_file, 1 /* flush ring */ ); vlib_worker_thread_barrier_release (vm); vec_free (chroot_file); return error; -- cgit 1.2.3-korg