Transpiled version (11078L) is out of date.
1 | asclass AbstractProfiler is AutoCloseable {
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2 | // config |
3 | settable int interval = 40; // 25 Hz |
4 | settable bool skipSleeping; |
5 | |
6 | // results |
7 | new MultiSet<S> stackTraceMultiSet; |
8 | gettable volatile int samples; |
9 | |
10 | // temporary |
11 | java.util.Timer timer; |
12 | Lock lock = lock(); |
13 | |
14 | void start {
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15 | lock lock; |
16 | assertCanStart(); |
17 | printWithMS("Starting " + this);
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18 | stop(); |
19 | clear(); |
20 | timer = doEvery_daemon("Profiler", interval, r stepImpl);
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21 | } |
22 | |
23 | void assertCanStart {}
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24 | abstract void stepImpl(); |
25 | |
26 | public void stop aka close() {
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27 | lock lock; |
28 | if (timer != null) {
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29 | stopTimer(timer); |
30 | timer = null; |
31 | printWithMS("Stopped " + this);
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32 | } |
33 | } |
34 | |
35 | void clear() {
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36 | lock lock; |
37 | stackTraceMultiSet.clear(); |
38 | samples = 0; |
39 | } |
40 | |
41 | MultiSet<S> results() {
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42 | lock lock; |
43 | ret cloneMultiSet(stackTraceMultiSet); |
44 | } |
45 | |
46 | MultiSet<S> stopAndGetResults() {
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47 | lock lock; |
48 | stop(); |
49 | ret results(); |
50 | } |
51 | |
52 | S renderFullResults(bool mostImportantLast) {
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53 | var traces = results(); |
54 | int n = traces.size(); |
55 | int percent = ratioToIntPercent(l(traces), samples); |
56 | ret (samples == 0 ? "Nothing sampled" |
57 | : percent + "% core activity [" + n2(samples, "sample") + " taken]") + "\n\n" |
58 | + joinMap(mostImportantLast ? traces.lowestFirst() : traces.highestFirst(), trace -> |
59 | traces.get(trace) + "/" + n + "\n" + trace + "\n\n" |
60 | ); |
61 | } |
62 | |
63 | // must be locked first |
64 | protected void addSample(StackTraceElement[] stackTrace) {
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65 | stackTraceMultiSet.add(stackTraceToString(stackTrace)); |
66 | } |
67 | } |
Began life as a copy of #1035050
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| Snippet ID: | #1036378 |
| Snippet name: | AbstractProfiler |
| Eternal ID of this version: | #1036378/10 |
| Text MD5: | 728419c663cf104ae35694525a04a315 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-11-30 11:59:30 |
| Source code size: | 1612 bytes / 67 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 138 / 212 |
| Version history: | 9 change(s) |
| Referenced in: | [show references] |