Board: ARM Industrial Module AIM711 (S3C4510)
CPU : S3C4510B (ARM7TDMI core), 50MHz
8MB RAM, 2MB Flash
Startup, main stack : stack used 82 size 2400
Startup : Interrupt stack used 134 size 4096
Startup : Idlethread stack used 91 size 2048
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
Reading the hardware clock takes 33 'ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took 17.68 microseconds (884 raw clock ticks)
Testing parameters:
Clock samples: 32
Threads: 64
Thread switches: 128
Mutexes: 32
Mailboxes: 32
Semaphores: 32
Scheduler operations: 128
Counters: 32
Flags: 32
Alarms: 32
Confidence
Ave Min Max Var Ave Min Function
====== ====== ====== ====== ========== ========
22.99 15.24 36.98 4.01 50% 26% Create thread
2.96 2.88 8.30 0.17 98% 98% Yield thread [all suspended]
3.57 3.36 8.76 0.26 93% 71% Suspend [suspended] thread
3.64 3.00 8.74 0.33 65% 20% Resume thread
5.44 4.78 15.10 0.42 75% 26% Set priority
0.77 0.20 1.98 0.25 59% 17% Get priority
14.46 12.40 33.02 1.03 85% 9% Kill [suspended] thread
2.95 2.88 7.44 0.14 98% 98% Yield [no other] thread
6.73 5.40 15.60 0.44 78% 6% Resume [suspended low prio] thread
3.59 2.98 7.18 0.28 56% 21% Resume [runnable low prio] thread
5.77 4.78 13.46 0.44 71% 18% Suspend [runnable] thread
2.97 2.88 8.86 0.18 98% 98% Yield [only low prio] thread
3.40 2.86 6.26 0.26 59% 17% Suspend [runnable->not runnable]
14.15 12.08 30.54 1.09 78% 23% Kill [runnable] thread
11.00 9.74 23.38 0.75 70% 31% Destroy [dead] thread
20.35 17.72 43.00 1.26 73% 14% Destroy [runnable] thread
23.77 21.02 45.38 1.59 68% 35% Resume [high priority] thread
8.40 8.30 15.38 0.18 89% 89% Thread switch
0.10 0.08 1.52 0.03 92% 92% Scheduler lock
2.01 1.98 3.80 0.06 92% 92% Scheduler unlock [0 threads]
2.01 1.98 3.80 0.06 92% 92% Scheduler unlock [1 suspended]
2.01 1.98 4.08 0.06 92% 92% Scheduler unlock [many suspended]
2.01 1.98 3.68 0.05 92% 92% Scheduler unlock [many low prio]
0.67 0.54 3.90 0.21 96% 96% Init mutex
4.55 4.14 12.40 0.53 96% 87% Lock [unlocked] mutex
4.84 4.12 12.78 0.56 65% 56% Unlock [locked] mutex
3.72 3.18 8.86 0.41 68% 56% Trylock [unlocked] mutex
3.22 2.76 5.38 0.26 65% 28% Trylock [locked] mutex
0.49 0.34 3.26 0.26 93% 84% Destroy mutex
33.13 32.42 43.64 0.66 90% 81% Unlock/Lock mutex
1.21 1.06 5.12 0.25 96% 96% Create mbox
0.63 0.46 2.66 0.22 96% 71% Peek [empty] mbox
4.57 3.64 11.12 0.50 75% 18% Put [first] mbox
0.52 0.10 2.74 0.23 62% 18% Peek [1 msg] mbox
5.39 4.46 12.00 0.56 75% 43% Put [second] mbox
0.51 0.10 2.38 0.22 62% 18% Peek [2 msgs] mbox
5.06 4.00 13.86 0.60 81% 18% Get [first] mbox
5.01 4.36 9.20 0.38 68% 25% Get [second] mbox
5.56 4.70 11.22 0.55 75% 37% Tryput [first] mbox
4.25 3.14 10.64 0.49 75% 9% Peek item [non-empty] mbox
5.10 3.82 14.02 0.78 78% 40% Tryget [non-empty] mbox
3.86 3.12 9.72 0.47 81% 21% Peek item [empty] mbox
4.13 3.28 11.20 0.54 87% 59% Tryget [empty] mbox
0.60 0.14 2.34 0.22 68% 9% Waiting to get mbox
0.61 0.14 2.90 0.27 78% 15% Waiting to put mbox
4.51 3.66 11.20 0.53 84% 50% Delete mbox
26.55 26.00 31.46 0.37 78% 40% Put/Get mbox
0.53 0.44 2.68 0.15 96% 90% Init semaphore
3.08 2.76 5.02 0.29 43% 46% Post [0] semaphore
3.64 3.20 7.72 0.40 53% 50% Wait [1] semaphore
3.08 2.66 7.40 0.39 50% 50% Trywait [0] semaphore
2.72 2.62 5.88 0.20 96% 96% Trywait [1] semaphore
0.85 0.52 3.30 0.32 50% 50% Peek semaphore
0.80 0.34 3.74 0.39 46% 37% Destroy semaphore
21.87 21.54 25.64 0.28 68% 65% Post/Wait semaphore
1.18 1.04 4.92 0.24 96% 96% Create counter
0.69 0.52 2.84 0.24 93% 71% Get counter value
0.26 0.14 1.76 0.18 78% 78% Set counter value
3.73 3.24 5.62 0.14 78% 12% Tick counter
0.79 0.36 3.58 0.19 78% 15% Delete counter
0.53 0.44 3.06 0.17 96% 90% Init flag
3.49 3.02 9.28 0.45 53% 50% Destroy flag
2.93 2.52 7.42 0.39 50% 46% Mask bits in flag
3.58 3.12 9.38 0.46 50% 50% Set bits in flag [no waiters]
7.48 7.22 12.90 0.35 96% 96% Wait for flag [AND]
4.92 4.66 11.22 0.39 96% 96% Wait for flag [OR]
4.58 4.30 11.66 0.44 96% 96% Wait for flag [AND/CLR]
4.39 4.12 11.02 0.43 96% 96% Wait for flag [OR/CLR]
0.06 0.00 1.40 0.11 87% 87% Peek on flag
1.82 1.58 8.02 0.40 96% 96% Create alarm
7.27 6.54 17.86 0.77 93% 87% Initialize alarm
3.30 2.58 7.28 0.60 56% 71% Disable alarm
7.60 5.82 14.72 0.84 81% 12% Enable alarm
3.86 3.06 9.20 0.67 53% 65% Delete alarm
4.03 3.90 7.18 0.23 96% 90% Tick counter [1 alarm]
25.12 24.98 28.82 0.24 96% 93% Tick counter [many alarms]
7.92 7.64 14.00 0.40 96% 96% Tick & fire counter [1 alarm]
155.10 154.42 161.04 0.37 90% 6% Tick & fire counters [>1 together]
29.27 29.02 35.48 0.42 96% 93% Tick & fire counters [>1 separately]
17.87 17.32 49.30 0.56 98% 97% Alarm latency [0 threads]
24.39 22.02 63.60 1.43 57% 19% Alarm latency [2 threads]
55.33 52.72 62.44 1.11 67% 20% Alarm latency [many threads]
37.98 36.54 170.56 2.17 97% 97% Alarm -> thread resume latency
29 0 259 (main stack: 805) Thread stack used (1120 total)
All done, main stack : stack used 805 size 2400
All done : Interrupt stack used 163 size 4096
All done : Idlethread stack used 239 size 2048
Timing complete - 28880 ms total
PASS:<Basic timing OK>
EXIT:<done> |