xnu-3248.30.4.tar.gz

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

diff --git a/tools/tests/MPMMTest/KQMPMMtest.c b/tools/tests/MPMMTest/KQMPMMtest.c
index 4ee81c42734b41ecd03383bcb0184ee7f1722207..0686350f3a80649cc3cc029d0bd60ec7078a7ece 100644 (file)
--- a/tools/tests/MPMMTest/KQMPMMtest.c
+++ b/tools/tests/MPMMTest/KQMPMMtest.c
@@ -1,7 +1,5 @@
 #include <AvailabilityMacros.h>
-#ifdef AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER
-#include </System/Library/Frameworks/System.framework/PrivateHeaders/mach/thread_policy.h>
-#endif
+#include <mach/thread_policy.h>
 
 #include <pthread.h>
 #include <stdio.h>
@@ -20,6 +18,8 @@
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/signal.h>
+#include <errno.h>
+#include "../unit_tests/tests_common.h"
 
 #define MAX(A, B) ((A) < (B) ? (B) : (A))
 
@@ -70,6 +70,8 @@ static boolean_t      timeshare = FALSE;
 static boolean_t       threaded = FALSE;
 static boolean_t       oneway = FALSE;
 static boolean_t       do_select = FALSE;
+static boolean_t    save_perfdata = FALSE;
+
 int                    msg_type;
 int                    num_ints;
 int                    num_msgs;
@@ -100,6 +102,7 @@ void usage(const char *progname) {
        fprintf(stderr, "    -work num\t\tmicroseconds of client work\n");
        fprintf(stderr, "    -pages num\t\tpages of memory touched by client work\n");
        fprintf(stderr, "    -select   \t\tselect prior to calling kevent().\n");
+       fprintf(stderr, "    -perf   \t\tCreate perfdata files for metrics.\n");
        fprintf(stderr, "default values are:\n");
        fprintf(stderr, "    . no affinity\n");
        fprintf(stderr, "    . not timeshare\n");
@@ -202,6 +205,9 @@ void parse_args(int argc, char *argv[]) {
                } else if (0 == strcmp("-select", argv[0])) {
                        do_select = TRUE;
                        argc--; argv++;
+               } else if (0 == strcmp("-perf", argv[0])) {
+                       save_perfdata = TRUE;
+                       argc--; argv++;
                } else 
                        usage(progname);
        }
@@ -313,7 +319,6 @@ void setup_client_ports(struct port_args *ports)
 
 static void
 thread_setup(int tag) {
-#ifdef AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER
        kern_return_t                   ret;
         thread_extended_policy_data_t   epolicy;
         thread_affinity_policy_data_t   policy;
@@ -337,7 +342,6 @@ thread_setup(int tag) {
                 if (ret != KERN_SUCCESS)
                         printf("thread_policy_set(THREAD_AFFINITY_POLICY) returned %d\n", ret);
         }
-#endif
 }
 
 void *
@@ -737,6 +741,7 @@ wait_for_servers(void)
        exit(1);
 }
 
+
 int main(int argc, char *argv[]) 
 {
        int             i;
@@ -824,6 +829,10 @@ int main(int argc, char *argv[])
        double dsecs = (double) deltatv.tv_sec + 
                1.0E-6 * (double) deltatv.tv_usec;
 
+       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;
+
        printf(" in %ld.%03u seconds\n",  
               (long)deltatv.tv_sec, deltatv.tv_usec/1000);
        printf("  throughput in messages/sec:     %g\n",
@@ -831,6 +840,9 @@ int main(int argc, char *argv[])
        printf("  average message latency (usec): %2.3g\n", 
                        dsecs * 1.0E6 / (double) totalmsg);
 
+       if (save_perfdata == TRUE) {
+               record_perf_data("kqmpmm_avg_msg_latency", "usec", avg_msg_latency, "Message latency measured in microseconds. Lower is better", stderr);
+       }
        return (0);
 
 }