Daniel Thompson fdcdc4c5ae kdb: Adopt scheduler's task classification ... [ Upstream commit b77dbc86d6 ] Currently kdb contains some open-coded routines to generate a summary character for each task. This code currently issues warnings, is almost certainly broken and won't make sense to any kernel dev who has ever used /proc to examine task states. Fix both the warning and the potential for confusion by adopting the scheduler's task classification. Whilst doing this we also simplify the filtering by using mask strings directly (which means we don't have to guess all the characters the scheduler might give us). Unfortunately we can't quite match the scheduler classification completely. We add four extra states: - for idle loops and i, m and s for sleeping system daemons (which means kthreads in one of the I, M and S states). These extra states are used to manage the filters for tools to make the output of ps and bta less noisy. Note: The Fixes below is the last point the original dubious code was moved; it was not introduced by that patch. However it gives us the last point to which this patch can be easily backported. Happily that should be enough to cover the introduction of CONFIG_WERROR! Fixes: 2f064a59a1 ("sched: Change task_struct::state") Link: https://lore.kernel.org/r/20211102173158.3315227-1-daniel.thompson@linaro.org Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2021-11-18 19:17:06 +01:00
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kdb	kdb: Adopt scheduler's task classification	2021-11-18 19:17:06 +01:00
debug_core.c	kernel: debug: Convert to SPDX identifier	2021-09-06 14:31:11 +01:00
debug_core.h	kdb: Fix stack crawling on 'running' CPUs that aren't the master	2019-10-10 16:28:48 +01:00
gdbstub.c	kernel: debug: Convert to SPDX identifier	2021-09-06 14:31:11 +01:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00