Changeset bfe4a88b in mainline

Timestamp:

2025-05-10T14:07:54Z (4 weeks ago)

Author:

Miroslav Cimerman <mc@…>

Children:

287b2ea

Parents:

7e68d61

Message:

bdwrite: measure and print elapsed time

File:

• uspace/app/bdwrite/bdwrite.c (modified) (4 diffs)

uspace/app/bdwrite/bdwrite.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2024 Miroslav Cimerman
+ * Copyright (c) 2025 Miroslav Cimerman
  * All rights reserved.
  *
@@ -41 +41 @@
 #include <stdio.h>
 #include <abi/ipc/ipc.h>
+#include <perf.h>
 
 static void usage(void);
@@ -113 +114 @@
                 goto end;
         }
+
+        stopwatch_t stopwatch;
+        stopwatch_init(&stopwatch);
+        stopwatch_start(&stopwatch);
+
         uint64_t left = blkcnt;
         while (left != 0) {
@@ -131 +137 @@
         }
 end:
+        stopwatch_stop(&stopwatch);
+        nsec_t t = stopwatch_get_nanos(&stopwatch);
+        printf("Elapsed time:\n");
+        printf("\t%llu ms\n", NSEC2MSEC(t));
+        printf("\t%lf s\n", NSEC2SEC((double)t));
         free(buf);
         block_fini(dev);