diff options
Diffstat (limited to 'perf/cairo-perf-trace.c')
| -rw-r--r-- | perf/cairo-perf-trace.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/perf/cairo-perf-trace.c b/perf/cairo-perf-trace.c index 5e3b92c3..3577a25c 100644 --- a/perf/cairo-perf-trace.c +++ b/perf/cairo-perf-trace.c @@ -108,6 +108,7 @@ struct trace { const cairo_boilerplate_target_t *target; void *closure; cairo_surface_t *surface; + cairo_bool_t observe; }; cairo_bool_t @@ -253,6 +254,10 @@ _similar_surface_create (void *closure, cairo_surface_t *surface; struct scache skey, *s; + if (args->observe) + return cairo_surface_create_similar (args->surface, + content, width, height); + if (uid == 0 || surface_cache == NULL) return args->target->create_similar (args->surface, content, width, height); @@ -356,6 +361,7 @@ usage (const char *argv0) "The command-line arguments are interpreted as follows:\n" "\n" " -r raw; display each time measurement instead of summary statistics\n" +" -s sync; only sum the elapsed time of the indiviual operations\n" " -v verbose; in raw mode also show the summaries\n" " -i iterations; specify the number of iterations per test case\n" " -x exclude; specify a file to read a list of traces to exclude\n" @@ -479,6 +485,7 @@ parse_options (cairo_perf_t *perf, perf->exact_iterations = 0; perf->raw = FALSE; + perf->observe = FALSE; perf->list_only = FALSE; perf->names = NULL; perf->num_names = 0; @@ -488,7 +495,7 @@ parse_options (cairo_perf_t *perf, perf->num_exclude_names = 0; while (1) { - c = _cairo_getopt (argc, argv, "i:x:lrvc"); + c = _cairo_getopt (argc, argv, "i:x:lsrvc"); if (c == -1) break; @@ -509,6 +516,9 @@ parse_options (cairo_perf_t *perf, perf->raw = TRUE; perf->summary = NULL; break; + case 's': + perf->observe = TRUE; + break; case 'v': verbose = 1; break; @@ -599,6 +609,8 @@ cairo_perf_trace (cairo_perf_t *perf, NULL /* copy_page */ }; + args.observe = perf->observe; + trace_cpy = xstrdup (trace); name = basename_no_ext (trace_cpy); @@ -638,6 +650,12 @@ cairo_perf_trace (cairo_perf_t *perf, CAIRO_BOILERPLATE_MODE_PERF, 0, &args.closure); + if (perf->observe) { + cairo_surface_t *obs; + obs = cairo_surface_create_observer (args.surface); + cairo_surface_destroy (args.surface); + args.surface = obs; + } if (cairo_surface_status (args.surface)) { fprintf (stderr, "Error: Failed to create target surface: %s\n", @@ -663,14 +681,20 @@ cairo_perf_trace (cairo_perf_t *perf, csi = cairo_script_interpreter_create (); cairo_script_interpreter_install_hooks (csi, &hooks); - cairo_perf_yield (); - cairo_perf_timer_start (); + if (! perf->observe) { + cairo_perf_yield (); + cairo_perf_timer_start (); + } cairo_script_interpreter_run (csi, trace); - clear_surface (args.surface); /* queue a write to the sync'ed surface */ - cairo_perf_timer_stop (); - times[i] = cairo_perf_timer_elapsed (); + if (perf->observe) { + times[i] = cairo_device_observer_elapsed (cairo_surface_get_device (args.surface)) * (1e-9 * cairo_perf_ticks_per_second ()); + } else { + clear_surface (args.surface); /* queue a write to the sync'ed surface */ + cairo_perf_timer_stop (); + times[i] = cairo_perf_timer_elapsed (); + } cairo_script_interpreter_finish (csi); scache_clear (); |