1 files changed, 64 insertions, 0 deletions
diff --git a/pseudo_profile.c b/pseudo_profile.c
new file mode 100644
index 0000000..c4af803
--- /dev/null
+++ b/pseudo_profile.c
@@ -0,0 +1,64 @@
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "pseudo.h"
+
+int
+main(int argc, char **argv) {
+	int fd;
+	pseudo_profile_t totals = { .total_ops = 0 }, item;
+	int count = 0;
+
+	if (argc < 2) {
+		fprintf(stderr, "usage: pseudo_profile <profiling_data>\n");
+		exit(1);
+	}
+
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0) {
+		fprintf(stderr, "Can't open '%s': %s.\n",
+			argv[1], strerror(errno));
+		exit(1);
+	}
+	while (read(fd, &item, sizeof(item)) == sizeof(item)) {
+		if (item.total_ops > 0) {
+			++count;
+			totals.processes += item.processes;
+			totals.total_ops += item.total_ops;
+			totals.messages += item.messages;
+			totals.op_time.tv_sec += item.op_time.tv_sec;
+			totals.op_time.tv_usec += item.op_time.tv_usec;
+			if (totals.op_time.tv_usec >= 1000000) {
+				++totals.op_time.tv_sec;
+				totals.op_time.tv_usec -= 1000000;
+			}
+			totals.ipc_time.tv_sec += item.ipc_time.tv_sec;
+			totals.ipc_time.tv_usec += item.ipc_time.tv_usec;
+			if (totals.ipc_time.tv_usec >= 1000000) {
+				++totals.ipc_time.tv_sec;
+				totals.ipc_time.tv_usec -= 1000000;
+			}
+			totals.wrapper_time.tv_sec += item.wrapper_time.tv_sec;
+			totals.wrapper_time.tv_usec += item.wrapper_time.tv_usec;
+			if (totals.wrapper_time.tv_usec >= 1000000) {
+				++totals.wrapper_time.tv_sec;
+				totals.wrapper_time.tv_usec -= 1000000;
+			}
+		}
+	}
+	printf("Found data for %d PIDs, %d processes.\n",
+		count, totals.processes);
+	printf("%lld messages for %lld ops.\n", totals.messages, totals.total_ops);
+	double otime = totals.op_time.tv_sec + (totals.op_time.tv_usec / 1000000.0);
+	double itime = totals.ipc_time.tv_sec + (totals.ipc_time.tv_usec / 1000000.0);
+	double wtime = totals.wrapper_time.tv_sec + (totals.wrapper_time.tv_usec / 1000000.0);
+	printf("%.4f msec wrapper time, %.4f msec op time, %.4f msec IPC time.\n",
+		wtime * 1000, otime * 1000, itime * 1000);
+
+	return 0;
+}