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https://github.com/hyprwm/wlroots-hyprland.git
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util/log: improve time prefix
Log milliseconds. This is useful when debugging a rendering loop. Print the time relative to the compositor start-up.
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parent
7bce056f1d
commit
e7f8cc6801
1 changed files with 30 additions and 8 deletions
38
util/log.c
38
util/log.c
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@ -11,6 +11,7 @@
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static bool colored = true;
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static enum wlr_log_importance log_importance = WLR_ERROR;
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static struct timespec start_time = {-1};
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static const char *verbosity_colors[] = {
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[WLR_SILENT] = "",
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@ -19,20 +20,39 @@ static const char *verbosity_colors[] = {
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[WLR_DEBUG ] = "\x1B[1;30m",
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};
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static void timespec_sub(struct timespec *r, const struct timespec *a,
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const struct timespec *b) {
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const long NSEC_PER_SEC = 1000000000;
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r->tv_sec = a->tv_sec - b->tv_sec;
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r->tv_nsec = a->tv_nsec - b->tv_nsec;
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if (r->tv_nsec < 0) {
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r->tv_sec--;
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r->tv_nsec += NSEC_PER_SEC;
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}
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}
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static void init_start_time(void) {
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if (start_time.tv_sec >= 0) {
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return;
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}
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clock_gettime(CLOCK_MONOTONIC, &start_time);
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}
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static void log_stderr(enum wlr_log_importance verbosity, const char *fmt,
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va_list args) {
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init_start_time();
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if (verbosity > log_importance) {
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return;
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}
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// prefix the time to the log message
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struct tm result;
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time_t t = time(NULL);
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struct tm *tm_info = localtime_r(&t, &result);
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char buffer[26];
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// generate time prefix
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strftime(buffer, sizeof(buffer), "%F %T - ", tm_info);
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fprintf(stderr, "%s", buffer);
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struct timespec ts = {0};
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clock_gettime(CLOCK_MONOTONIC, &ts);
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timespec_sub(&ts, &ts, &start_time);
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fprintf(stderr, "%02d:%02d:%02d.%03ld ", (int)(ts.tv_sec / 60 / 60),
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(int)(ts.tv_sec / 60 % 60), (int)(ts.tv_sec % 60),
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ts.tv_nsec / 1000000);
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unsigned c = (verbosity < WLR_LOG_IMPORTANCE_LAST) ? verbosity : WLR_LOG_IMPORTANCE_LAST - 1;
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@ -60,6 +80,8 @@ static void log_wl(const char *fmt, va_list args) {
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}
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void wlr_log_init(enum wlr_log_importance verbosity, wlr_log_func_t callback) {
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init_start_time();
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if (verbosity < WLR_LOG_IMPORTANCE_LAST) {
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log_importance = verbosity;
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}
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