log: Initialise timestamp for relative log time also if we use a log file

...not just for debug messages. Otherwise, timestamps in the log file
are consistent but the starting point is not zero.

Do this right away as we enter main(), so that the resulting
timestamps are as closely as possible relative to when we start.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/log.h b/log.h
index 51ddafa..e03199c 100644
--- a/log.h
+++ b/log.h
@@ -44,6 +44,7 @@ void logmsg_perror(int pri, const char *format, ...)
 extern int log_trace;
 extern bool log_conf_parsed;
 extern bool log_runtime;
+extern struct timespec log_start;
 
 void trace_init(int enable);
 #define trace(...)							\