mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-19 13:47:56 +00:00
68cd5e8004
The timer driver should always be of the highest priority to avoid problem with timers that have low max-counter values like the PIT with only 53 ms. Ref #2400
71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
# build program images
|
|
build { core init drivers/timer test/timer_accuracy }
|
|
|
|
# create directory where boot files are written to
|
|
create_boot_directory
|
|
|
|
# define XML configuration for init
|
|
install_config {
|
|
<config prio_levels="2">
|
|
<parent-provides>
|
|
<service name="ROM"/>
|
|
<service name="IRQ"/>
|
|
<service name="IO_MEM"/>
|
|
<service name="IO_PORT"/>
|
|
<service name="PD"/>
|
|
<service name="RM"/>
|
|
<service name="CPU"/>
|
|
<service name="LOG"/>
|
|
</parent-provides>
|
|
<default-route>
|
|
<any-service><parent/><any-child/></any-service>
|
|
</default-route>
|
|
<default caps="100"/>
|
|
<start name="timer" priority="0">
|
|
<resource name="RAM" quantum="1M"/>
|
|
<resource name="CPU" quantum="5"/>
|
|
<provides><service name="Timer"/></provides>
|
|
</start>
|
|
<start name="test-timer_accuracy" priority="-1">
|
|
<resource name="RAM" quantum="10M"/>
|
|
</start>
|
|
</config>
|
|
}
|
|
# build boot files from source binaries
|
|
build_boot_image { core ld.lib.so init timer test-timer_accuracy }
|
|
|
|
# configure Qemu
|
|
append qemu_args " -nographic"
|
|
|
|
set err_cnt 0
|
|
set test_timeout 20
|
|
set rounds 9
|
|
|
|
# wait for initial tic
|
|
run_genode_until {\[init -> test-timer_accuracy\].*\n} $test_timeout
|
|
set serial_id [output_spawn_id]
|
|
|
|
# measure the delays between the following tics
|
|
for {set i 1} {$i <= $rounds} {incr i} {
|
|
set start_time($i) [clock milliseconds]
|
|
run_genode_until {\[init -> test-timer_accuracy\].*\n} $test_timeout $serial_id
|
|
set end_time($i) [clock milliseconds]
|
|
}
|
|
# print results and count errors
|
|
foreach i [lsort [array names start_time]] {
|
|
set class "Good:"
|
|
set test_result [expr $end_time($i) - $start_time($i)]
|
|
set host_result [expr $i * 1000]
|
|
set result_diff [expr abs($test_result - $host_result)]
|
|
if {[expr $result_diff > 500]} {
|
|
set class "Bad: "
|
|
set err_cnt [expr $err_cnt + 1]
|
|
}
|
|
puts "$class round $i, host measured $host_result ms, test measured $test_result ms"
|
|
}
|
|
# check the error count
|
|
if {[expr $err_cnt > 0]} {
|
|
puts "Test failed because of $err_cnt errors"
|
|
exit -1
|
|
}
|