selftests: timers: clocksource-switch: add 'runtime' command line parameter

So the user can decide how long the test should run.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: John Stultz <jstultz@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/timers/clocksource-switch.c b/tools/testing/selftests/timers/clocksource-switch.c
index 5256e6215980c0a6c856bb81a0be9f7aeb0b004a..577e4b74211af6a61598aba1bbe7e155d5cbc931 100644 (file)
--- a/tools/testing/selftests/timers/clocksource-switch.c
+++ b/tools/testing/selftests/timers/clocksource-switch.c
@@ -124,17 +124,22 @@ int main(int argc, char **argv)
        char orig_clk[512];
        int count, i, status, opt;
        int do_sanity_check = 1;
+       int runtime = 60;
        pid_t pid;
 
        /* Process arguments */
-       while ((opt = getopt(argc, argv, "s")) != -1) {
+       while ((opt = getopt(argc, argv, "st:")) != -1) {
                switch (opt) {
                case 's':
                        do_sanity_check = 0;
                        break;
+               case 't':
+                       runtime = atoi(optarg);
+                       break;
                default:
-                       printf("Usage: %s [-s]\n", argv[0]);
+                       printf("Usage: %s [-s] [-t <secs>]\n", argv[0]);
                        printf("        -s: skip sanity checks\n");
+                       printf("        -t: Number of seconds to run\n");
                        exit(-1);
                }
        }
@@ -167,7 +172,7 @@ int main(int argc, char **argv)
        printf("Running Asynchronous Switching Tests...\n");
        pid = fork();
        if (!pid)
-               return run_tests(60);
+               return run_tests(runtime);
 
        while (pid != waitpid(pid, &status, WNOHANG))
                for (i = 0; i < count; i++)