On Fri, Jul 05, 2024 at 07:29:53PM -0400, Nícolas F. R. A. Prado wrote: > Log errors are the most widely used mechanism for reporting issues in > the kernel. When an error is logged using the device helpers, eg > dev_err(), it gets metadata attached that identifies the subsystem and > device where the message is coming from. This series makes use of that > metadata in a new test to report which devices logged errors. > > The first two patches move a test and a helper script to keep things > organized before this new test is added in the third patch. > > It is expected that there might be many false-positive error messages > throughout the drivers code which will be reported by this test. By > having this test in the first place and working through the results we > can address those occurrences by adjusting the loglevel of the messages > that turn out to not be real errors that require the user's attention. > It will also motivate additional error messages to be introduced in the > code to detect real errors where they turn out to be missing, since > it will be possible to detect said issues automatically. > > As an example, below you can see the test result for > mt8192-asurada-spherion. The single standing issue has been investigated > and will be addressed in an EC firmware update [1]: > > TAP version 13 > 1..1 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `model_name' property: -6 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `energy_full_design' property: -6 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > power_supply sbs-8-000b: driver failed to report `time_to_empty_now' property: -5 > not ok 1 +power_supply:sbs-8-000b > Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0 > > [1] https://lore.kernel.org/all/cf4d8131-4b63-4c7a-9f27-5a0847c656c4@notapiano > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
