Imported Upstream version 0.5.3upstream/0.5.3

1 files changed, 86 insertions, 0 deletions

diff --git a/summary.c b/summary.c
new file mode 100644
index 0000000..dab845c
--- /dev/null
+++ b/summary.c
@@ -0,0 +1,86 @@
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+#include "common.h"
+
+static int num_entries = 0;
+static struct entry_st {
+	char *name;
+	int count;
+	struct timeval tv;
+} *entries = NULL;
+
+static int tot_count = 0;
+static unsigned long int tot_usecs = 0;
+
+static void fill_struct(void *key, void *value, void *data)
+{
+	struct opt_c_struct *st = (struct opt_c_struct *)value;
+
+	entries = realloc(entries, (num_entries + 1) * sizeof(struct entry_st));
+	if (!entries) {
+		perror("realloc()");
+		exit(1);
+	}
+	entries[num_entries].name = (char *)key;
+	entries[num_entries].count = st->count;
+	entries[num_entries].tv = st->tv;
+
+	tot_count += st->count;
+	tot_usecs += 1000000 * st->tv.tv_sec;
+	tot_usecs += st->tv.tv_usec;
+
+	num_entries++;
+}
+
+static int compar(const void *a, const void *b)
+{
+	struct entry_st *en1, *en2;
+
+	en1 = (struct entry_st *)a;
+	en2 = (struct entry_st *)b;
+
+	if (en2->tv.tv_sec - en1->tv.tv_sec) {
+		return (en2->tv.tv_sec - en1->tv.tv_sec);
+	} else {
+		return (en2->tv.tv_usec - en1->tv.tv_usec);
+	}
+}
+
+void show_summary(void)
+{
+	int i;
+
+	num_entries = 0;
+	entries = NULL;
+
+	dict_apply_to_all(dict_opt_c, fill_struct, NULL);
+
+	qsort(entries, num_entries, sizeof(*entries), compar);
+
+	fprintf(options.output, "%% time     seconds  usecs/call     calls      function\n");
+	fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
+	for (i = 0; i < num_entries; i++) {
+		unsigned long long int c;
+		unsigned long long int p;
+		c = 1000000 * (int)entries[i].tv.tv_sec +
+		    (int)entries[i].tv.tv_usec;
+		p = 100000 * c / tot_usecs + 5;
+		fprintf(options.output, "%3lu.%02lu %4d.%06d %11lu %9d %s\n",
+		       (unsigned long int)(p / 1000),
+		       (unsigned long int)((p / 10) % 100),
+		       (int)entries[i].tv.tv_sec, (int)entries[i].tv.tv_usec,
+		       (unsigned long int)(c / entries[i].count),
+		       entries[i].count,
+#ifdef USE_DEMANGLE
+		       options.demangle ? my_demangle(entries[i].name) :
+#endif
+		       entries[i].name);
+	}
+	fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
+	fprintf(options.output, "100.00 %4lu.%06lu             %9d total\n", tot_usecs / 1000000,
+	       tot_usecs % 1000000, tot_count);
+}