libinput/tools/libinput-measure.c
Peter Hutterer 328bc99d3b tools: add "libinput measure touchpad-tap"
This is the first tool of many more to come to enable users to gather
information aobut their devices and/or usage of these devices. Previously,
these required the users to record events, submit them to a bugzilla, have me
run various scripts over it and then decree that the scripts have spoken.
Push some of this into the hands of the users so they can query the numbers
locally and start investigating (or at least get an idea of what's happening).

This tool measures the time deltas between touch up and touch down and prints
a basic summary, together with the ability to print a dat file with the data
for visualization by e.g. gnuplot. Eventually, more of the current analysis
scripts will be moved into this or other helpers.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2017-06-02 12:21:35 +10:00

92 lines
2.4 KiB
C

/*
* Copyright © 2017 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#include <getopt.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <libudev.h>
#include <libinput-util.h>
#include "shared.h"
static inline void
usage(void)
{
printf("Usage: libinput measure [--help] FEATURE [/dev/input/event0]\n");
printf("\n"
"Collect measurements related to FEATURE on the given device.\n"
"\n"
"Options:\n"
"--help ...... show this help\n"
"\n"
"Available features are:\n"
" touchpad-tap-time\n"
" Measures the time for tap-to-click interactions\n"
" "
"For information about each feature, see the --help output for that feature.\n"
"\n"
"This tool requires access to the /dev/input/eventX nodes.\n");
}
int
main(int argc, char **argv)
{
int option_index = 0;
while (1) {
int c;
static struct option opts[] = {
{ "help", no_argument, 0, 'h' },
{ 0, 0, 0, 0}
};
c = getopt_long(argc, argv, "h", opts, &option_index);
if (c == -1)
break;
switch(c) {
case 'h':
usage();
return EXIT_SUCCESS;
default:
usage();
return EXIT_FAILURE;
}
}
if (optind >= argc) {
usage();
return EXIT_FAILURE;
}
argc--;
argv++;
return tools_exec_command("libinput-measure", argc, argv);
}