xnu-4903.241.1.tar.gz

[apple/xnu.git] / tools / tests / MPMMTest / MPMMtest.c

diff --git a/tools/tests/MPMMTest/MPMMtest.c b/tools/tests/MPMMTest/MPMMtest.c
index c2991c37cb97d8159d24e4f9e4dacd21a0eb3a00..7dc344fd43300822b9622a48e85c40185be35d9d 100644 (file)
--- a/tools/tests/MPMMTest/MPMMtest.c
+++ b/tools/tests/MPMMTest/MPMMtest.c
@@ -4,6 +4,7 @@
 #include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <libgen.h>
 #include <string.h>
 #include <err.h>
 #include <unistd.h>
@@ -17,6 +18,8 @@
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/signal.h>
+#include <errno.h>
+#include "../unit_tests/tests_common.h" /* for record_perf_data() */
 
 #include <libkern/OSAtomic.h>
 
@@ -72,6 +75,7 @@ static boolean_t      timeshare = FALSE;
 static boolean_t       threaded = FALSE;
 static boolean_t       oneway = FALSE;
 static boolean_t       useset = FALSE;
+static boolean_t       save_perfdata = FALSE;
 int                    msg_type;
 int                    num_ints;
 int                    num_msgs;
@@ -114,6 +118,7 @@ void usage(const char *progname) {
        fprintf(stderr, "    -verbose\t\tbe verbose (use multiple times to increase verbosity)\n");
        fprintf(stderr, "    -oneway\t\tdo not request return reply\n");
        fprintf(stderr, "    -count num\t\tnumber of messages to send\n");
+       fprintf(stderr, "    -perf   \t\tCreate perfdata files for metrics.\n");
        fprintf(stderr, "    -type trivial|inline|complex\ttype of messages to send\n");
        fprintf(stderr, "    -numints num\tnumber of 32-bit ints to send in messages\n");
        fprintf(stderr, "    -servers num\tnumber of server threads to run\n");
@@ -179,6 +184,9 @@ void parse_args(int argc, char *argv[]) {
                } else if (0 == strcmp("-oneway", argv[0])) {
                        oneway = TRUE;
                        argc--; argv++;
+               } else if (0 == strcmp("-perf", argv[0])) {
+                       save_perfdata = TRUE;
+                       argc--; argv++;
                } else if (0 == strcmp("-type", argv[0])) {
                        if (argc < 2) 
                                usage(progname);
@@ -940,6 +948,16 @@ int main(int argc, char *argv[])
        printf("  average message latency (usec): %2.3g\n", 
                        dsecs * 1.0E6 / (double) totalmsg);
 
+       double time_in_sec = (double)deltatv.tv_sec + (double)deltatv.tv_usec/1000.0;
+       double throughput_msg_p_sec = (double) totalmsg/dsecs;
+       double avg_msg_latency = dsecs*1.0E6 / (double)totalmsg;
+
+       if (save_perfdata == TRUE) {
+               char name[256];
+               snprintf(name, sizeof(name), "%s_avg_msg_latency", basename(argv[0]));
+               record_perf_data(name, "usec", avg_msg_latency, "Message latency measured in microseconds. Lower is better", stderr);
+       }
+
        if (stress_prepost) {
                int64_t sendns = abs_to_ns(g_client_send_time);
                dsecs = (double)sendns / (double)NSEC_PER_SEC;