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tracing/tools: Fix incorrcet short option in usage text for --threads

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[ Upstream commit 53afec2c8fb2a562222948cb1c2aac48598578c9 ]

The help message incorrectly listed '-t' as the short option for
--threads, but the actual getopt_long configuration uses '-e'.
This mismatch can confuse users and lead to incorrect command-line
usage. This patch updates the usage string to correctly show:
	"-e, --threads NRTHR"
to match the implementation.

Note: checkpatch.pl reports a false-positive spelling warning on
'Run', which is intentional.

Link: https://patch.msgid.link/20251106031040.1869-1-zhangchujun@cmss.chinamobile.com
Signed-off-by: Zhang Chujun <zhangchujun@cmss.chinamobile.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Chujun
2025-11-06 11:10:40 +08:00
committed by Greg Kroah-Hartman
parent 952637c5b9
commit 6917e894f8
1 changed files with 1 additions and 1 deletions
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2
tools/tracing/latency/latency-collector.c
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@@ -1725,7 +1725,7 @@ static void show_usage(void)
"-n, --notrace\t\tIf latency is detected, do not print out the content of\n"
"\t\t\tthe trace file to standard output\n\n"
"-t, --threads NRTHR\tRun NRTHR threads for printing. Default is %d.\n\n"
"-e, --threads NRTHR\tRun NRTHR threads for printing. Default is %d.\n\n"
"-r, --random\t\tArbitrarily sleep a certain amount of time, default\n"
"\t\t\t%ld ms, before reading the trace file. The\n"