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tools: debug-events: offset timestamps by the first normal event

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Start counting the timestamps from the first time we get something off the
actual fd. This makes it easier to match up timestamps with the output from
libinput record.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-11-11 15:47:10 +10:00
parent eef00ff3c6
commit 558cc3f11c
1 changed files with 11 additions and 7 deletions
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18
tools/libinput-debug-events.c
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@ -155,7 +155,7 @@ print_event_header(struct libinput_event *ev)
static void
print_event_time(uint32_t time)
{
printq("%+6.2fs ", (time - start_time) / 1000.0);
printq("%+6.2fs ", start_time ? (time - start_time) / 1000.0 : 0);
}
static inline void
@ -908,8 +908,16 @@ mainloop(struct libinput *li)
fprintf(stderr, "Expected device added events on startup but got none. "
"Maybe you don't have the right permissions?\n");
while (!stop && poll(&fds, 1, -1) > -1)
handle_and_print_events(li);
/* time offset starts with our first received event */
if (poll(&fds, 1, -1) > -1) {
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
start_time = tp.tv_sec * 1000 + tp.tv_nsec / 1000000;
do {
handle_and_print_events(li);
} while (!stop && poll(&fds, 1, -1) > -1);
}
printf("\n");
}
@ -923,16 +931,12 @@ int
main(int argc, char **argv)
{
struct libinput *li;
struct timespec tp;
enum tools_backend backend = BACKEND_NONE;
const char *seat_or_device = "seat0";
bool grab = false;
bool verbose = false;
struct sigaction act;
clock_gettime(CLOCK_MONOTONIC, &tp);
start_time = tp.tv_sec * 1000 + tp.tv_nsec / 1000000;
tools_init_options(&options);
while (1) {