bench/compose: add new benchmark

Signed-off-by: Ran Benita <ran234@gmail.com>

Makefile.am

@@ -247,10 +247,12 @@ BENCH_LDADD = $(TESTS_LDADD) -lrt
 check_PROGRAMS += \
 	bench/key-proc \
 	bench/rules \
-	bench/rulescomp
+	bench/rulescomp \
+	bench/compose
 bench_key_proc_LDADD = $(BENCH_LDADD)
 bench_rules_LDADD = $(BENCH_LDADD)
 bench_rulescomp_LDADD = $(BENCH_LDADD)
+bench_compose_LDADD = $(BENCH_LDADD)
 
 ##
 # Custom targets

bench/.gitignore

@@ -1,3 +1,4 @@
 key-proc
 rules
 rulescomp
+compose

bench/compose.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright © 2014 Ran Benita <ran234@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <time.h>
+
+#include "xkbcommon/xkbcommon-compose.h"
+
+#include "../test/test.h"
+
+#define BENCHMARK_ITERATIONS 1000
+
+int
+main(void)
+{
+    struct xkb_context *ctx;
+    struct timespec start, stop, elapsed;
+    char *path;
+    FILE *file;
+    struct xkb_compose_table *table;
+
+    ctx = test_get_context(CONTEXT_NO_FLAG);
+    assert(ctx);
+
+    path = test_get_path("compose/en_US.UTF-8/Compose");
+    file = fopen(path, "r");
+
+    xkb_context_set_log_level(ctx, XKB_LOG_LEVEL_CRITICAL);
+    xkb_context_set_log_verbosity(ctx, 0);
+
+    clock_gettime(CLOCK_MONOTONIC, &start);
+    for (int i = 0; i < BENCHMARK_ITERATIONS; i++) {
+        rewind(file);
+        table = xkb_compose_table_new_from_file(ctx, file, "",
+                                                XKB_COMPOSE_FORMAT_TEXT_V1,
+                                                XKB_COMPOSE_COMPILE_NO_FLAGS);
+        assert(table);
+        xkb_compose_table_unref(table);
+    }
+    clock_gettime(CLOCK_MONOTONIC, &stop);
+
+    fclose(file);
+    free(path);
+
+    elapsed.tv_sec = stop.tv_sec - start.tv_sec;
+    elapsed.tv_nsec = stop.tv_nsec - start.tv_nsec;
+    if (elapsed.tv_nsec < 0) {
+        elapsed.tv_nsec += 1000000000;
+        elapsed.tv_sec--;
+    }
+
+    fprintf(stderr, "compiled %d compose tables in %ld.%09lds\n",
+            BENCHMARK_ITERATIONS, elapsed.tv_sec, elapsed.tv_nsec);
+
+    xkb_context_unref(ctx);
+    return 0;
+}