diff mbox series

runqemu: display host uptime when starting

Message ID 20220909155734.2131957-1-alexandre.belloni@bootlin.com
State Accepted, archived
Commit 2d96499823f7de6e16a461426491e015ba63c1ec
Headers show
Series runqemu: display host uptime when starting | expand

Commit Message

Alexandre Belloni Sept. 9, 2022, 3:57 p.m. UTC 
From: Alexandre Belloni <alexandre.belloni@bootlin.com>

In order to be able to debug issues on the host that have an impact on the
guest, it is useful to get the uptime of the host while starting so we can
match with the events in dmesg. Also include the uptime when cleaning up.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 scripts/runqemu | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/scripts/runqemu b/scripts/runqemu
index b6fc212ebe20..983f7514c759 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -1505,6 +1505,9 @@  class BaseConfig(object):
         cmd = "%s %s" % (self.qemu_opt, kernel_opts)
         cmds = shlex.split(cmd)
         logger.info('Running %s\n' % cmd)
+        with open('/proc/uptime', 'r') as f:
+            uptime_seconds = f.readline().split()[0]
+        logger.info('Host uptime: %s\n' % uptime_seconds)
         pass_fds = []
         if self.taplock_descriptor:
             pass_fds = [self.taplock_descriptor.fileno()]
@@ -1528,6 +1531,9 @@  class BaseConfig(object):
         signal.signal(signal.SIGTERM, signal.SIG_IGN)
 
         logger.info("Cleaning up")
+        with open('/proc/uptime', 'r') as f:
+            uptime_seconds = f.readline().split()[0]
+        logger.info('Host uptime: %s\n' % uptime_seconds)
         if self.cleantap:
             cmd = ('sudo', self.qemuifdown, self.tap, self.bindir_native)
             logger.debug('Running %s' % str(cmd))