Luca Ceresoli a6d05e826d scripts/decode_stacktrace.sh: clarify command line ...

The syntax as expressed by usage() is not entirely correct: "<modules
path>" cannot be passed without "<base path>|auto".  Additionally human
reading of this syntax can be subject to misunderstanding due the mixture
of '|' and '[]'.

Improve readability in various ways:
 * rewrite using two lines for the two allowed usages
 * add square brackets around "<vmlinux>" as it is optional when using
   debuginfod-find
 * move "<modules path>" to inside the square brackets of the 2nd
   positional parameter
 * use underscores instead of spaces in <...> strings

Link: https://lkml.kernel.org/r/20240823-decode_stacktrace-find_module-improvements-v2-2-d7a57d35558b@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Cc: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

2024-09-01 20:43:41 -07:00

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