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tools: note that the mouse frequency measured is the highest frequency

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Some devices scale the frequency based on the input and will provide
recordings with different frequencies each time. Recommend to measure multiple
times since we can only know what the highest frequency is.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2015-01-07 13:39:55 +10:00
parent 59c824ebc0
commit f4cc76d96f
1 changed files with 4 additions and 2 deletions
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6
tools/mouse-dpi-tool.c
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@ -51,8 +51,10 @@ static int
usage(void) {
printf("Usage: %s /dev/input/event0\n", program_invocation_short_name);
printf("\n");
printf("This tool reads relative events from the kernel and calculates\n "
"the distance covered and frequency of the incoming events.\n");
printf("This tool reads relative events from the kernel and calculates\n"
"the distance covered and maximum frequency of the incoming events.\n"
"Some mouse devices provide dynamic frequencies, it is\n"
"recommended to measure multiple times to obtain the highest value.\n");
return 1;
}