Comment 4 for bug 1864626

The time it need for each tests (tested on node rizzo with 5.3.0-40-generic):
$ time sudo ./nsleep-lat
nsleep latency CLOCK_REALTIME [OK]
nsleep latency CLOCK_MONOTONIC [OK]
nsleep latency CLOCK_MONOTONIC_RAW [UNSUPPORTED]
nsleep latency CLOCK_REALTIME_COARSE [UNSUPPORTED]
nsleep latency CLOCK_MONOTONIC_COARSE [UNSUPPORTED]
nsleep latency CLOCK_BOOTTIME [OK]
nsleep latency CLOCK_REALTIME_ALARM [OK]
nsleep latency CLOCK_BOOTTIME_ALARM [OK]
nsleep latency CLOCK_TAI [OK]
# Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0

real 2m7.350s
user 0m0.024s
sys 0m0.000s

$ time sudo ./set-timer-lat
Setting timers for every 1 seconds
CLOCK_REALTIME ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_REALTIME ABSTIME PERIODIC max latency: 154950 ns : [OK]
CLOCK_REALTIME RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_REALTIME RELTIME PERIODIC max latency: 155470 ns : [OK]
CLOCK_REALTIME ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_REALTIME ABSTIME ONE-SHOT max latency: 152090 ns : [OK]
CLOCK_REALTIME ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_REALTIME RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_REALTIME RELTIME ONE-SHOT max latency: 140419 ns : [OK]
CLOCK_REALTIME RELTIME ONE-SHOT count: 1 : [OK]
CLOCK_MONOTONIC ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_MONOTONIC ABSTIME PERIODIC max latency: 153497 ns : [OK]
CLOCK_MONOTONIC RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_MONOTONIC RELTIME PERIODIC max latency: 151476 ns : [OK]
CLOCK_MONOTONIC ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_MONOTONIC ABSTIME ONE-SHOT max latency: 149738 ns : [OK]
CLOCK_MONOTONIC ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_MONOTONIC RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_MONOTONIC RELTIME ONE-SHOT max latency: 140657 ns : [OK]
CLOCK_MONOTONIC RELTIME ONE-SHOT count: 1 : [OK]
CLOCK_BOOTTIME ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_BOOTTIME ABSTIME PERIODIC max latency: 153272 ns : [OK]
CLOCK_BOOTTIME RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_BOOTTIME RELTIME PERIODIC max latency: 148789 ns : [OK]
CLOCK_BOOTTIME ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_BOOTTIME ABSTIME ONE-SHOT max latency: 146898 ns : [OK]
CLOCK_BOOTTIME ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_BOOTTIME RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_BOOTTIME RELTIME ONE-SHOT max latency: 139261 ns : [OK]
CLOCK_BOOTTIME RELTIME ONE-SHOT count: 1 : [OK]
CLOCK_REALTIME_ALARM ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_REALTIME_ALARM ABSTIME PERIODIC max latency: 157077 ns : [OK]
CLOCK_REALTIME_ALARM RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_REALTIME_ALARM RELTIME PERIODIC max latency: 151637 ns : [OK]
CLOCK_REALTIME_ALARM ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_REALTIME_ALARM ABSTIME ONE-SHOT max latency: 147835 ns : [OK]
CLOCK_REALTIME_ALARM ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_REALTIME_ALARM RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_REALTIME_ALARM RELTIME ONE-SHOT max latency: 138752 ns : [OK]
CLOCK_REALTIME_ALARM RELTIME ONE-SHOT count: 1 : [OK]
CLOCK_BOOTTIME_ALARM ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_BOOTTIME_ALARM ABSTIME PERIODIC max latency: 155109 ns : [OK]
CLOCK_BOOTTIME_ALARM RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_BOOTTIME_ALARM RELTIME PERIODIC max latency: 150989 ns : [OK]
CLOCK_BOOTTIME_ALARM ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_BOOTTIME_ALARM ABSTIME ONE-SHOT max latency: 147849 ns : [OK]
CLOCK_BOOTTIME_ALARM ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_BOOTTIME_ALARM RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_BOOTTIME_ALARM RELTIME ONE-SHOT max latency: 141602 ns : [OK]
CLOCK_BOOTTIME_ALARM RELTIME ONE-SHOT count: 1 : [OK]
CLOCK_TAI ABSTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_TAI ABSTIME PERIODIC max latency: 152173 ns : [OK]
CLOCK_TAI RELTIME PERIODIC timer fired early: 0 : [OK]
CLOCK_TAI RELTIME PERIODIC max latency: 147688 ns : [OK]
CLOCK_TAI ABSTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_TAI ABSTIME ONE-SHOT max latency: 145860 ns : [OK]
CLOCK_TAI ABSTIME ONE-SHOT count: 1 : [OK]
CLOCK_TAI RELTIME ONE-SHOT timer fired early: 0 : [OK]
CLOCK_TAI RELTIME ONE-SHOT max latency: 139589 ns : [OK]
CLOCK_TAI RELTIME ONE-SHOT count: 1 : [OK]
# Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0

real 2m0.066s
user 0m0.013s
sys 0m0.004s

$ time sudo ./inconsistency-check
Consistent CLOCK_REALTIME [OK]
Consistent CLOCK_MONOTONIC [OK]
Consistent CLOCK_PROCESS_CPUTIME_ID [OK]
Consistent CLOCK_THREAD_CPUTIME_ID [OK]
Consistent CLOCK_MONOTONIC_RAW [OK]
Consistent CLOCK_REALTIME_COARSE [OK]
Consistent CLOCK_MONOTONIC_COARSE [OK]
Consistent CLOCK_BOOTTIME [OK]
Consistent CLOCK_REALTIME_ALARM [OK]
Consistent CLOCK_BOOTTIME_ALARM [OK]
Consistent CLOCK_TAI [OK]
# Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0

real 1m45.074s
user 1m21.003s
sys 0m24.068s

$ time sudo ./raw_skew
WARNING: ADJ_OFFSET in progress, this will cause inaccurate results
Estimating clock drift: 14.683(est) 14.685(act) [OK]
# Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0

real 2m0.013s
user 0m0.002s
sys 0m0.011s