mirror of
https://github.com/hyprwm/wlroots-hyprland.git
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e7f8cc6801
Log milliseconds. This is useful when debugging a rendering loop. Print the time relative to the compositor start-up.
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
#define _XOPEN_SOURCE 700 // for snprintf
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-server-core.h>
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#include <wlr/util/log.h>
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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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[WLR_ERROR ] = "\x1B[1;31m",
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[WLR_INFO ] = "\x1B[1;34m",
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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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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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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "%s", verbosity_colors[c]);
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}
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vfprintf(stderr, fmt, args);
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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "\x1B[0m");
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}
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fprintf(stderr, "\n");
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}
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static wlr_log_func_t log_callback = log_stderr;
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static void log_wl(const char *fmt, va_list args) {
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static char wlr_fmt[1024];
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int n = snprintf(wlr_fmt, sizeof(wlr_fmt), "[wayland] %s", fmt);
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if (n > 0 && wlr_fmt[n - 1] == '\n') {
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wlr_fmt[n - 1] = '\0';
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}
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_wlr_vlog(WLR_INFO, wlr_fmt, 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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if (callback) {
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log_callback = callback;
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}
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wl_log_set_handler_server(log_wl);
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}
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void _wlr_vlog(enum wlr_log_importance verbosity, const char *fmt, va_list args) {
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log_callback(verbosity, fmt, args);
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}
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void _wlr_log(enum wlr_log_importance verbosity, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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log_callback(verbosity, fmt, args);
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va_end(args);
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}
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enum wlr_log_importance wlr_log_get_verbosity(void) {
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return log_importance;
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}
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