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71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
# build program images
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build { core init drivers/timer test/timer_accuracy }
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# create directory where boot files are written to
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create_boot_directory
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# define XML configuration for init
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install_config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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</parent-provides>
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<default-route>
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<any-service><parent/><any-child/></any-service>
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</default-route>
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<default caps="100"/>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>
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<start name="test-timer_accuracy">
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<resource name="RAM" quantum="10M"/>
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</start>
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</config>
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}
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# build boot files from source binaries
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build_boot_image { core ld.lib.so init timer test-timer_accuracy }
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# configure Qemu
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append qemu_args " -m 64 -nographic"
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set err_cnt 0
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set test_timeout 20
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set rounds 9
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# wait for initial tic
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run_genode_until {\[init -> test-timer_accuracy\].*\n} $test_timeout
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set serial_id [output_spawn_id]
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# measure the delays between the following tics
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for {set i 1} {$i <= $rounds} {incr i} {
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set start_time($i) [clock milliseconds]
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run_genode_until {\[init -> test-timer_accuracy\].*\n} $test_timeout $serial_id
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set end_time($i) [clock milliseconds]
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}
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# print results and count errors
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foreach i [lsort [array names start_time]] {
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set class "Good:"
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set test_result [expr $end_time($i) - $start_time($i)]
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set host_result [expr $i * 1000]
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set result_diff [expr abs($test_result - $host_result)]
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if {[expr $result_diff > 500]} {
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set class "Bad: "
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set err_cnt [expr $err_cnt + 1]
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}
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puts "$class round $i, host measured $host_result ms, test measured $test_result ms"
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}
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# check the error count
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if {[expr $err_cnt > 0]} {
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puts "Test failed because of $err_cnt errors"
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exit -1
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}
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