for (i = 0; i < nb_calib; i++) {
freq += (double) get_cpu_freq();
}
+
return (freq / (double)nb_calib);
}
total += res;
+ if (time_ust_notify_apps_start == 0 || time_ust_notify_apps_stop == 0) {
+ goto no_data;
+ }
+
+ res = get_bench_time(time_ust_notify_apps_start,
+ time_ust_notify_apps_stop);
+ fprintf(fp, "futex wake\n");
+ fprintf(fp, "Time: %.20f sec.\n", res);
+
+ total += res;
+
fprintf(fp, "Global UST nonification time\n");
fprintf(fp, "Time: %.20f sec.\n", total);
return;
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.
*/
total += res;
- if (time_ust_manage_register_start == 0 ||
- time_ust_manage_register_stop == 0) {
- goto no_data;
- }
+ fprintf(fp, "--> Manage registration breakdown\n");
+
+ res = get_bench_time(time_ust_register_read_start,
+ time_ust_register_read_stop);
+ fprintf(fp, "read() from pipe time\n");
+ fprintf(fp, "Time: %.20f sec.\n", res);
+
+ total += res;
+
+ res = get_bench_time(time_ust_register_add_start,
+ time_ust_register_add_stop);
+ fprintf(fp, "register_traceable_app time\n");
+ fprintf(fp, "Time: %.20f sec.\n", res);
+
+ total += res;
- res = get_bench_time(time_ust_manage_register_start,
- time_ust_manage_register_stop);
- fprintf(fp, "Manage UST registration time\n");
+ res = get_bench_time(time_ust_register_done_start,
+ time_ust_register_done_stop);
+ fprintf(fp, "send register done command time\n");
fprintf(fp, "Time: %.20f sec.\n", res);
total += res;
res = get_bench_time(time_sessiond_boot_start, time_sessiond_boot_end);
- fprintf(fp, "Boot time inside main() from start to first pthread_join (blocking state)\n");
+ fprintf(fp, "Inside main() from start to first pthread_join"
+ "(blocking state)\n");
+ fprintf(fp, "Time: %.20f sec.\n", res);
+
+ global_boot_time += res;
+
+ res = get_bench_time(time_sessiond_th_kern_start,
+ time_sessiond_th_kern_poll);
+
+ fprintf(fp, "Kernel thread from start to poll() (ready state)\n");
fprintf(fp, "Time: %.20f sec.\n", res);
global_boot_time += res;
- res = get_bench_time(time_sessiond_th_kern_start, time_sessiond_th_kern_poll);
+ res = get_bench_time(time_sessiond_th_apps_start,
+ time_sessiond_th_apps_poll);
- fprintf(fp, "Boot time of the kernel thread from start to poll() (ready state)\n");
+ fprintf(fp, "Application thread from start to poll() (ready state)\n");
fprintf(fp, "Time: %.20f sec.\n", res);
global_boot_time += res;
- res = get_bench_time(time_sessiond_th_apps_start, time_sessiond_th_apps_poll);
+ res = get_bench_time(time_sessiond_th_cli_start,
+ time_sessiond_th_cli_poll);
- fprintf(fp, "Boot time of the application thread from start to poll() (ready state)\n");
+ fprintf(fp, "Client thread from start to poll() (ready state)\n");
fprintf(fp, "Time: %.20f sec.\n", res);
global_boot_time += res;
- res = get_bench_time(time_sessiond_th_cli_start, time_sessiond_th_cli_poll);
+ res = get_bench_time(time_sessiond_th_dispatch_start,
+ time_sessiond_th_dispatch_block);
- fprintf(fp, "Boot time of the client thread from start to poll() (ready state)\n");
+ fprintf(fp, "Dispatch registration thread from start to poll()"
+ "(ready state)\n");
fprintf(fp, "Time: %.20f sec.\n", res);
global_boot_time += res;
- fprintf(fp, "Global Boot Time of ltt-sessiond: %0.20f sec.\n", global_boot_time);
+ fprintf(fp, "Global Boot Time\n");
+ fprintf(fp, "Time: %0.20f sec.\n", global_boot_time);
}