Add lttctl support for switch_timer

[ltt-control.git] / lttctl / lttctl.c

diff --git a/lttctl/lttctl.c b/lttctl/lttctl.c
index e08280aab2e066cd19f3b8479df1e6ae8ad9397a..7380136fc6eefcbe1e0c4bb3da3e81e80815a438 100644 (file)
--- a/lttctl/lttctl.c
+++ b/lttctl/lttctl.c
@@ -41,6 +41,7 @@ struct channel_option {
        int overwrite;
        int bufnum;
        int bufsize;
+       int switch_timer;
 };
 
 struct lttctl_option {
@@ -124,6 +125,8 @@ static void show_arguments(void)
        printf("        channel.<channelname>.bufsize= (in bytes, rounded to "
               "next power of 2)\n");
        printf("        <channelname> can be set to all for all channels\n");
+       printf("        channel.<channelname>.switch_timer= (timer interval in "
+              "ms)\n");
        printf("\n");
        printf(" Integration options:\n");
        printf("  -C, --create_start\n");
@@ -205,6 +208,7 @@ static void init_channel_opt(struct channel_option *opt, char *opt_name)
                opt->overwrite = -1;
                opt->bufnum = -1;
                opt->bufsize = -1;
+               opt->switch_timer = -1;
                strcpy(opt->chan_name, opt_name);
        }
 }
@@ -291,6 +295,14 @@ int set_channel_opt(struct channel_option *opt, char *opt_name, char *opt_valstr
                
                opt->bufsize = opt_val;
                return 0;
+       } else if (!strcmp("switch_timer", opt_name)) {
+               ret = sscanf(opt_valstr, "%d", &opt_val);
+               if (ret != 1 || opt_val < 0) {
+                       return -EINVAL;
+               }
+               
+               opt->switch_timer = opt_val;
+               return 0;
        } else {
                return -EINVAL;
        }
@@ -622,6 +634,11 @@ static int lttctl_channel_setup(struct channel_option *opt)
                                                          opt->bufsize)) != 0)
                        return ret;
        }
+       if (opt->switch_timer != -1) {
+               if ((ret = lttctl_set_channel_switch_timer(opt_tracename,
+                               opt->chan_name, opt->switch_timer)) != 0)
+                       return ret;
+       }
 
        return 0;
 }