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tests: integration: Don't always have kernel serial output

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When doing a direct kernel boot only have console=ttyS0 in the command
line if we are explicitly testing the serial output. The default
behaviour is `--serial null` so this output will not be visible but will
trigger a KVM exit for every byte which is very costly when running
under nested virtualization.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-12-08 09:27:53 +00:00
parent 8a27735826
commit a4c076bd09
1 changed files with 8 additions and 8 deletions
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16
tests/integration.rs
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@ -95,7 +95,7 @@ mod tests {
#[cfg(target_arch = "aarch64")]
const FOCAL_IMAGE_NAME: &str = "focal-server-cloudimg-arm64-custom";
const DIRECT_KERNEL_BOOT_CMDLINE: &str = "root=/dev/vda1 console=ttyS0 console=hvc0 quiet rw";
const DIRECT_KERNEL_BOOT_CMDLINE: &str = "root=/dev/vda1 console=hvc0 quiet rw";
const PIPE_SIZE: i32 = 32 << 20;
@ -3295,12 +3295,7 @@ mod tests {
.args(&["--kernel", kernel_path.to_str().unwrap()])
.default_disks()
.default_net()
.args(&[
"--cmdline",
DIRECT_KERNEL_BOOT_CMDLINE
.replace("console=ttyS0 ", "")
.as_str(),
])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.args(&["--serial", "off"])
.capture_output()
.spawn()
@ -3389,7 +3384,12 @@ mod tests {
.args(&["--cpus", "boot=1"])
.args(&["--memory", "size=512M"])
.args(&["--kernel", kernel_path.to_str().unwrap()])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.args(&[
"--cmdline",
DIRECT_KERNEL_BOOT_CMDLINE
.replace("console=hvc0 ", "console=ttyS0")
.as_str(),
])
.default_disks()
.default_net()
.args(&["--serial", "tty"])