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| author | Thomas Huth <thuth@redhat.com> | 2022-08-22 17:56:05 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2022-08-24 10:14:49 +0100 |
| commit | c398c7618737d7ff36ae49ba31dae1925683a605 (patch) | |
| tree | a45da9837fe0a1e0316b292d933ad6c931cf51b3 /tests/migration/aarch64 | |
| parent | e25636a12a1cc0a136aaa611a0cfbe6ebfa4aed4 (diff) | |
| download | qemu-c398c7618737d7ff36ae49ba31dae1925683a605.zip qemu-c398c7618737d7ff36ae49ba31dae1925683a605.tar.gz qemu-c398c7618737d7ff36ae49ba31dae1925683a605.tar.bz2 | |
tests/migration/aarch64: Speed up the aarch64 migration test
The migration tests spend a lot of time waiting for a sign of live
of the guest on the serial console. The aarch64 migration code only
outputs "B"s every couple of seconds (at least it takes more than 4
seconds between each characeter on my x86 laptop). There are a lot
of migration tests, and if each test that checks for a successful
migration waits for these characters before and after migration, the
wait time sums up to multiple minutes! Let's use a shorter delay to
speed things up.
While we're at it, also remove a superfluous masking with 0xff - we're
reading and storing bytes, so the upper bits of the register do not
matter anyway.
With these changes, the test runs twice as fast on my laptop, decreasing
the total run time from approx. 8 minutes to only 4 minutes!
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220819053802.296584-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220822165608.2980552-4-alex.bennee@linaro.org>
Diffstat (limited to 'tests/migration/aarch64')
| -rw-r--r-- | tests/migration/aarch64/a-b-kernel.S | 3 | ||||
| -rw-r--r-- | tests/migration/aarch64/a-b-kernel.h | 10 |
2 files changed, 6 insertions, 7 deletions
diff --git a/tests/migration/aarch64/a-b-kernel.S b/tests/migration/aarch64/a-b-kernel.S index 0225945..a4103ec 100644 --- a/tests/migration/aarch64/a-b-kernel.S +++ b/tests/migration/aarch64/a-b-kernel.S @@ -53,7 +53,6 @@ innerloop: /* increment the first byte of each page by 1 */ ldrb w3, [x4] add w3, w3, #1 - and w3, w3, #0xff strb w3, [x4] /* make sure QEMU user space can see consistent data as MMU is off */ @@ -64,7 +63,7 @@ innerloop: blt innerloop add w5, w5, #1 - and w5, w5, #0xff + and w5, w5, #0x1f cmp w5, #0 bne mainloop diff --git a/tests/migration/aarch64/a-b-kernel.h b/tests/migration/aarch64/a-b-kernel.h index 0a9b011..34e518d 100644 --- a/tests/migration/aarch64/a-b-kernel.h +++ b/tests/migration/aarch64/a-b-kernel.h @@ -10,9 +10,9 @@ unsigned char aarch64_kernel[] = { 0x03, 0x00, 0x80, 0x52, 0xe4, 0x03, 0x00, 0xaa, 0x83, 0x00, 0x00, 0x39, 0x84, 0x04, 0x40, 0x91, 0x9f, 0x00, 0x01, 0xeb, 0xad, 0xff, 0xff, 0x54, 0x05, 0x00, 0x80, 0x52, 0xe4, 0x03, 0x00, 0xaa, 0x83, 0x00, 0x40, 0x39, - 0x63, 0x04, 0x00, 0x11, 0x63, 0x1c, 0x00, 0x12, 0x83, 0x00, 0x00, 0x39, - 0x24, 0x7e, 0x0b, 0xd5, 0x84, 0x04, 0x40, 0x91, 0x9f, 0x00, 0x01, 0xeb, - 0x2b, 0xff, 0xff, 0x54, 0xa5, 0x04, 0x00, 0x11, 0xa5, 0x1c, 0x00, 0x12, - 0xbf, 0x00, 0x00, 0x71, 0x81, 0xfe, 0xff, 0x54, 0x43, 0x08, 0x80, 0x52, - 0x43, 0x00, 0x00, 0x39, 0xf1, 0xff, 0xff, 0x17 + 0x63, 0x04, 0x00, 0x11, 0x83, 0x00, 0x00, 0x39, 0x24, 0x7e, 0x0b, 0xd5, + 0x84, 0x04, 0x40, 0x91, 0x9f, 0x00, 0x01, 0xeb, 0x4b, 0xff, 0xff, 0x54, + 0xa5, 0x04, 0x00, 0x11, 0xa5, 0x10, 0x00, 0x12, 0xbf, 0x00, 0x00, 0x71, + 0xa1, 0xfe, 0xff, 0x54, 0x43, 0x08, 0x80, 0x52, 0x43, 0x00, 0x00, 0x39, + 0xf2, 0xff, 0xff, 0x17 }; |