Commit 9bebbbc4 authored by Chris Wilson's avatar Chris Wilson 🤔

overlay: Generate unique name for snapshots

Since we no longer increment the counter every frame, we need to use a
timestamp instead.
Signed-off-by: Chris Wilson's avatarChris Wilson <>
parent a18023f6
......@@ -34,6 +34,7 @@
#include <errno.h>
#include <signal.h>
#include <getopt.h>
#include <time.h>
#include "overlay.h"
#include "chart.h"
......@@ -754,6 +755,13 @@ static int get_sample_period(struct config *config)
return 500000;
static void overlay_snapshot(struct overlay_context *ctx)
char buf[1024];
sprintf(buf, "/tmp/overlay-snapshot-%ld.png", (long)time(NULL));
cairo_surface_write_to_png(ctx->surface, buf);
int main(int argc, char **argv)
static struct option long_options[] = {
......@@ -853,9 +861,7 @@ int main(int argc, char **argv)
if (take_snapshot) {
char buf[80];
sprintf(buf, "overlay-snapshot-%d.png", i-1);
cairo_surface_write_to_png(ctx.surface, buf);
take_snapshot = 0;
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