observe: Provide the sum of the elapsed time of the individual operations

We can use the elapsed time of the indiividual operations to profile the
synchronous throughput of a trace and eliminate all replay overhead. At
the cost of running the trace synchronously of course.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/perf/cairo-perf.h b/perf/cairo-perf.h
index b52bdfaf0..9c70b5b3f 100644
--- a/perf/cairo-perf.h
+++ b/perf/cairo-perf.h
@@ -77,6 +77,7 @@ typedef struct _cairo_perf {
     cairo_bool_t exact_iterations;
     cairo_bool_t raw;
     cairo_bool_t list_only;
+    cairo_bool_t observe;
     char **names;
     unsigned int num_names;
     char **exclude_names;