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oeqa/core/target/qemu.py: display contents of dumped files

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During do_testimage, if the target is not started within a certain
timeout, TEST_QEMUBOOT_TIMEOUT, host data is dumped to files for
each command in
${TMPDIR}/log/runtime-hostdump/<datetime>_qemu/host_<seq>_<command>.

Display the first 20 lines of top output and the last 20 lines of
bootlog to standard output for more context for the target not being
started up.

(From OE-Core rev: 441390b707bf681bc308c9ebd45ea2ae20c37d7c)

Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Sakib Sajal 2021-06-08 10:57:34 -04:00 committed by Richard Purdie
parent a71c3b390d
commit b44849c32c
1 changed files with 26 additions and 1 deletions
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27
meta/lib/oeqa/core/target/qemu.py
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@ -8,6 +8,8 @@ import os
import sys
import signal
import time
import glob
import subprocess
from collections import defaultdict
from .ssh import OESSHTarget
@ -36,6 +38,8 @@ class OEQemuTarget(OESSHTarget):
self.ovmf = ovmf
self.use_slirp = slirp
self.boot_patterns = boot_patterns
self.dump_dir = dump_dir
self.bootlog = bootlog
self.runner = QemuRunner(machine=machine, rootfs=rootfs, tmpdir=tmpdir,
deploy_dir_image=dir_image, display=display,
@ -74,7 +78,28 @@ class OEQemuTarget(OESSHTarget):
self.server_ip = self.runner.server_ip
else:
self.stop()
raise RuntimeError("FAILED to start qemu - check the task log and the boot log")
# Display the first 20 lines of top and
# last 20 lines of the bootlog when the
# target is not being booted up.
topfile = glob.glob(self.dump_dir + "/*_qemu/host_*_top")
msg = "\n\n===== start: snippet =====\n\n"
for f in topfile:
msg += "file: %s\n\n" % f
with open(f) as tf:
for x in range(20):
msg += next(tf)
msg += "\n\n===== end: snippet =====\n\n"
blcmd = ["tail", "-20", self.bootlog]
msg += "===== start: snippet =====\n\n"
try:
out = subprocess.check_output(blcmd, stderr=subprocess.STDOUT, timeout=1).decode('utf-8')
msg += "file: %s\n\n" % self.bootlog
msg += out
except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError) as err:
msg += "Error running command: %s\n%s\n" % (blcmd, err)
msg += "\n\n===== end: snippet =====\n"
raise RuntimeError("FAILED to start qemu - check the task log and the boot log %s" % (msg))
def stop(self):
self.runner.stop()