Test_Functional.cmt 

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Test Functional.cmt

This test appears to check that a target has an interrupt named "sh_cmt.0", and that it is running (/proc/interrupts increments over a 5-second period), and is assigned IRQ number 174.

This looks like something very specific to some Renesas lager board.

Details [edit section]

This test unpacks a tarball called: dung-3.4.25-m2.tar.gz It runs the following scripts on target:

  • cmt/cmt-interrupt.sh
  • cmt/dmesg.sh
  • cmt/proc-interrupts.sh

then checks that the log contains "Test passed" exactly $FUNCTIONAL_CMT_LINES_COUNT times

This variable is not defined (would have been nice to test it earlier than in test_processing). I thought maybe another board file would have this, but it appears not to.

cmt/cmt-interrupt.sh [edit section]

This script uses common/interrupt-count.sh to measure the number of occurrences of the 'sh_cmt.0' interrupt over a period of 5 seconds.

If the value is increasing, then it emits "Test passed"

cmt/dmesg.sh [edit section]

This script uses common/dmesg.sh to search for the following string: "sh_cmt sh_cmt.0: used for clock events" in the dmesg output

cmt/proc-interrupts.sh [edit section]

This script uses common/proc-interrupts.sh to check for the 'sh_cmt.0' interrupt, and see if it matches 174.

If the value matches, then it emits "Test passed"

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