From 01e6545054e5289c623ebc255e15dc3727b45065 Mon Sep 17 00:00:00 2001
From: David Goulet <david.goulet@polymtl.ca>
Date: Tue, 4 Oct 2011 14:17:01 -0400
Subject: [PATCH 1/1] Add unregister measures

Signed-off-by: David Goulet <david.goulet@polymtl.ca>
---
 benchmark/benchmark.c  | 23 +++++++++++++++++++++++
 benchmark/benchmark.h  |  1 +
 benchmark/measures.h   |  6 ++++++
 ltt-sessiond/ust-app.c |  6 ++++++
 4 files changed, 36 insertions(+)

diff --git a/benchmark/benchmark.c b/benchmark/benchmark.c
index 8fbe8ad78..9100fae57 100644
--- a/benchmark/benchmark.c
+++ b/benchmark/benchmark.c
@@ -150,6 +150,29 @@ no_data:
 	return;
 }
 
+/*
+ * Time taken by an UST apps to unregister.
+ */
+void bench_print_ust_unregister(void)
+{
+    double res;
+
+    fprintf(fp, "--- UST unregister time ---\n");
+
+    if (time_ust_unregister_start == 0 || time_ust_unregister_stop == 0) {
+        goto no_data;
+    }
+
+    res = get_bench_time(time_ust_unregister_start, time_ust_unregister_stop);
+    fprintf(fp, "UST unregister time\n");
+    fprintf(fp, "Time: %.20f sec.\n", res);
+    return;
+
+no_data:
+    fprintf(fp, "NO DATA\n");
+    return;
+}
+
 /*
  * This time value is only coherent is an UST application registered.
  */
diff --git a/benchmark/benchmark.h b/benchmark/benchmark.h
index 2a23fd97e..bbdadbbd8 100644
--- a/benchmark/benchmark.h
+++ b/benchmark/benchmark.h
@@ -33,6 +33,7 @@ void bench_init(void);
 void bench_close(void);
 void bench_print_boot_process(void);
 void bench_print_ust_register(void);
+void bench_print_ust_unregister(void);
 void bench_print_ust_notification(void);
 double bench_get_create_session(void);
 double bench_get_destroy_session(void);
diff --git a/benchmark/measures.h b/benchmark/measures.h
index 91809e1ac..cbcac2204 100644
--- a/benchmark/measures.h
+++ b/benchmark/measures.h
@@ -69,6 +69,12 @@ cycles_t time_ust_register_start;
  */
 cycles_t time_ust_register_stop;
 
+/*
+ *  * UST unregister time
+ *   */
+cycles_t time_ust_unregister_start;
+cycles_t time_ust_unregister_stop;
+
 /*
  * UST dispatch registration request time
  *
diff --git a/ltt-sessiond/ust-app.c b/ltt-sessiond/ust-app.c
index ea062557e..afd8ea5c0 100644
--- a/ltt-sessiond/ust-app.c
+++ b/ltt-sessiond/ust-app.c
@@ -28,6 +28,8 @@
 
 #include "ust-app.h"
 
+#include "benchmark.h"
+
 /* Init ust traceable application's list */
 static struct ust_app_list ust_app_list = {
 	.head = CDS_LIST_HEAD_INIT(ust_app_list.head),
@@ -173,6 +175,8 @@ void ust_app_unregister(int sock)
 {
 	struct ust_app *lta;
 
+	tracepoint(ust_unregister_start);
+
 	ust_app_lock_list();
 	lta = find_app_by_sock(sock);
 	if (lta) {
@@ -182,6 +186,8 @@ void ust_app_unregister(int sock)
 		free(lta);
 	}
 	ust_app_unlock_list();
+
+	tracepoint(ust_unregister_stop);
 }
 
 /*
-- 
2.34.1