mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
389 lines
12 KiB
JavaScript
389 lines
12 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const INT_MAX = 0x7FFFFFFF;
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const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
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Cu.import("resource://gre/modules/Services.jsm", this);
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function test_expired_histogram() {
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var histogram_id = "FOOBAR";
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var test_expired_id = "TELEMETRY_TEST_EXPIRED";
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var clone_id = "ExpiredClone";
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var dummy = Telemetry.newHistogram(histogram_id, "28.0a1", 1, 2, 3, Telemetry.HISTOGRAM_EXPONENTIAL);
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var dummy_clone = Telemetry.histogramFrom(clone_id, test_expired_id);
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var rh = Telemetry.registeredHistograms([]);
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dummy.add(1);
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dummy_clone.add(1);
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do_check_eq(Telemetry.histogramSnapshots["__expired__"], undefined);
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do_check_eq(Telemetry.histogramSnapshots[histogram_id], undefined);
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do_check_eq(Telemetry.histogramSnapshots[test_expired_id], undefined);
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do_check_eq(Telemetry.histogramSnapshots[clone_id], undefined);
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do_check_eq(rh[test_expired_id], undefined);
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}
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function test_histogram(histogram_type, name, min, max, bucket_count) {
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var h = Telemetry.newHistogram(name, "never", min, max, bucket_count, histogram_type);
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var r = h.snapshot().ranges;
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var sum = 0;
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var log_sum = 0;
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var log_sum_squares = 0;
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for(var i=0;i<r.length;i++) {
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var v = r[i];
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sum += v;
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if (histogram_type == Telemetry.HISTOGRAM_EXPONENTIAL) {
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var log_v = Math.log(1+v);
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log_sum += log_v;
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log_sum_squares += log_v*log_v;
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}
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h.add(v);
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}
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var s = h.snapshot();
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// verify properties
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do_check_eq(sum, s.sum);
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if (histogram_type == Telemetry.HISTOGRAM_EXPONENTIAL) {
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// We do the log with float precision in C++ and double precision in
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// JS, so there's bound to be tiny discrepancies. Just check the
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// integer part.
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do_check_eq(Math.floor(log_sum), Math.floor(s.log_sum));
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do_check_eq(Math.floor(log_sum_squares), Math.floor(s.log_sum_squares));
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do_check_false("sum_squares_lo" in s);
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do_check_false("sum_squares_hi" in s);
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} else {
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// Doing the math to verify sum_squares was reflected correctly is
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// tedious in JavaScript. Just make sure we have something.
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do_check_neq(s.sum_squares_lo + s.sum_squares_hi, 0);
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do_check_false("log_sum" in s);
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do_check_false("log_sum_squares" in s);
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}
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// there should be exactly one element per bucket
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for each(var i in s.counts) {
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do_check_eq(i, 1);
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}
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var hgrams = Telemetry.histogramSnapshots
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gh = hgrams[name]
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do_check_eq(gh.histogram_type, histogram_type);
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do_check_eq(gh.min, min)
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do_check_eq(gh.max, max)
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// Check that booleans work with nonboolean histograms
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h.add(false);
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h.add(true);
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var s = h.snapshot().counts;
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do_check_eq(s[0], 2)
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do_check_eq(s[1], 2)
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// Check that clearing works.
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h.clear();
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var s = h.snapshot();
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for each(var i in s.counts) {
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do_check_eq(i, 0);
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}
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do_check_eq(s.sum, 0);
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if (histogram_type == Telemetry.HISTOGRAM_EXPONENTIAL) {
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do_check_eq(s.log_sum, 0);
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do_check_eq(s.log_sum_squares, 0);
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} else {
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do_check_eq(s.sum_squares_lo, 0);
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do_check_eq(s.sum_squares_hi, 0);
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}
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h.add(0);
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h.add(1);
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var c = h.snapshot().counts;
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do_check_eq(c[0], 1);
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do_check_eq(c[1], 1);
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}
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function expect_fail(f) {
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let failed = false;
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try {
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f();
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failed = false;
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} catch (e) {
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failed = true;
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}
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do_check_true(failed);
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}
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function expect_success(f) {
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let succeeded = false;
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try {
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f();
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succeeded = true;
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} catch (e) {
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succeeded = false;
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}
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do_check_true(succeeded);
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}
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function test_boolean_histogram()
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{
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var h = Telemetry.newHistogram("test::boolean histogram", "never", 99,1,4, Telemetry.HISTOGRAM_BOOLEAN);
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var r = h.snapshot().ranges;
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// boolean histograms ignore numeric parameters
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do_check_eq(uneval(r), uneval([0, 1, 2]))
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var sum = 0
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for(var i=0;i<r.length;i++) {
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var v = r[i];
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sum += v;
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h.add(v);
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}
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h.add(true);
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h.add(false);
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var s = h.snapshot();
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do_check_eq(s.histogram_type, Telemetry.HISTOGRAM_BOOLEAN);
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// last bucket should always be 0 since .add parameters are normalized to either 0 or 1
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do_check_eq(s.counts[2], 0);
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do_check_eq(s.sum, 3);
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do_check_eq(s.counts[0], 2);
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}
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function test_flag_histogram()
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{
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var h = Telemetry.newHistogram("test::flag histogram", "never", 130, 4, 5, Telemetry.HISTOGRAM_FLAG);
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var r = h.snapshot().ranges;
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// Flag histograms ignore numeric parameters.
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do_check_eq(uneval(r), uneval([0, 1, 2]))
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// Should already have a 0 counted.
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var c = h.snapshot().counts;
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var s = h.snapshot().sum;
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do_check_eq(uneval(c), uneval([1, 0, 0]));
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do_check_eq(s, 1);
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// Should switch counts.
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h.add(2);
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var c2 = h.snapshot().counts;
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var s2 = h.snapshot().sum;
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do_check_eq(uneval(c2), uneval([0, 1, 0]));
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do_check_eq(s, 1);
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// Should only switch counts once.
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h.add(3);
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var c3 = h.snapshot().counts;
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var s3 = h.snapshot().sum;
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do_check_eq(uneval(c3), uneval([0, 1, 0]));
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do_check_eq(s3, 1);
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do_check_eq(h.snapshot().histogram_type, Telemetry.FLAG_HISTOGRAM);
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}
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function test_getHistogramById() {
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try {
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Telemetry.getHistogramById("nonexistent");
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do_throw("This can't happen");
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} catch (e) {
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}
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var h = Telemetry.getHistogramById("CYCLE_COLLECTOR");
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var s = h.snapshot();
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do_check_eq(s.histogram_type, Telemetry.HISTOGRAM_EXPONENTIAL);
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do_check_eq(s.min, 1);
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do_check_eq(s.max, 10000);
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}
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function compareHistograms(h1, h2) {
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let s1 = h1.snapshot();
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let s2 = h2.snapshot();
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do_check_eq(s1.histogram_type, s2.histogram_type);
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do_check_eq(s1.min, s2.min);
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do_check_eq(s1.max, s2.max);
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do_check_eq(s1.sum, s2.sum);
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if (s1.histogram_type == Telemetry.HISTOGRAM_EXPONENTIAL) {
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do_check_eq(s1.log_sum, s2.log_sum);
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do_check_eq(s1.log_sum_squares, s2.log_sum_squares);
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} else {
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do_check_eq(s1.sum_squares_lo, s2.sum_squares_lo);
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do_check_eq(s1.sum_squares_hi, s2.sum_squares_hi);
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}
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do_check_eq(s1.counts.length, s2.counts.length);
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for (let i = 0; i < s1.counts.length; i++)
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do_check_eq(s1.counts[i], s2.counts[i]);
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do_check_eq(s1.ranges.length, s2.ranges.length);
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for (let i = 0; i < s1.ranges.length; i++)
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do_check_eq(s1.ranges[i], s2.ranges[i]);
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}
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function test_histogramFrom() {
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// Test one histogram of each type.
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let names = [
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"CYCLE_COLLECTOR", // EXPONENTIAL
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"GC_REASON_2", // LINEAR
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"GC_RESET", // BOOLEAN
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"TELEMETRY_TEST_FLAG" // FLAG
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];
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for each (let name in names) {
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let [min, max, bucket_count] = [1, INT_MAX - 1, 10]
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let original = Telemetry.getHistogramById(name);
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let clone = Telemetry.histogramFrom("clone" + name, name);
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compareHistograms(original, clone);
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}
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// Additionally, set the flag on TELEMETRY_TEST_FLAG, and check it gets set on the clone.
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let testFlag = Telemetry.getHistogramById("TELEMETRY_TEST_FLAG");
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testFlag.add(1);
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let clone = Telemetry.histogramFrom("FlagClone", "TELEMETRY_TEST_FLAG");
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compareHistograms(testFlag, clone);
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}
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function test_getSlowSQL() {
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var slow = Telemetry.slowSQL;
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do_check_true(("mainThread" in slow) && ("otherThreads" in slow));
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}
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function test_addons() {
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var addon_id = "testing-addon";
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var fake_addon_id = "fake-addon";
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var name1 = "testing-histogram1";
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var register = Telemetry.registerAddonHistogram;
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expect_success(function ()
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register(addon_id, name1, 1, 5, 6, Telemetry.HISTOGRAM_LINEAR));
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// Can't register the same histogram multiple times.
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expect_fail(function ()
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register(addon_id, name1, 1, 5, 6, Telemetry.HISTOGRAM_LINEAR));
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// Make sure we can't get at it with another name.
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expect_fail(function () Telemetry.getAddonHistogram(fake_addon_id, name1));
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// Check for reflection capabilities.
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var h1 = Telemetry.getAddonHistogram(addon_id, name1);
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// Verify that although we've created storage for it, we don't reflect it into JS.
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var snapshots = Telemetry.addonHistogramSnapshots;
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do_check_false(name1 in snapshots[addon_id]);
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h1.add(1);
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h1.add(3);
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var s1 = h1.snapshot();
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do_check_eq(s1.histogram_type, Telemetry.HISTOGRAM_LINEAR);
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do_check_eq(s1.min, 1);
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do_check_eq(s1.max, 5);
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do_check_eq(s1.counts[1], 1);
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do_check_eq(s1.counts[3], 1);
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var name2 = "testing-histogram2";
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expect_success(function ()
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register(addon_id, name2, 2, 4, 4, Telemetry.HISTOGRAM_LINEAR));
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var h2 = Telemetry.getAddonHistogram(addon_id, name2);
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h2.add(2);
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h2.add(3);
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var s2 = h2.snapshot();
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do_check_eq(s2.histogram_type, Telemetry.HISTOGRAM_LINEAR);
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do_check_eq(s2.min, 2);
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do_check_eq(s2.max, 4);
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do_check_eq(s2.counts[1], 1);
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do_check_eq(s2.counts[2], 1);
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// Check that we can register histograms for a different addon with
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// identical names.
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var extra_addon = "testing-extra-addon";
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expect_success(function ()
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register(extra_addon, name1, 0, 1, 2, Telemetry.HISTOGRAM_BOOLEAN));
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// Check that we can register flag histograms.
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var flag_addon = "testing-flag-addon";
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var flag_histogram = "flag-histogram";
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expect_success(function()
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register(flag_addon, flag_histogram, 0, 1, 2, Telemetry.HISTOGRAM_FLAG))
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expect_success(function()
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register(flag_addon, name2, 2, 4, 4, Telemetry.HISTOGRAM_LINEAR));
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// Check that we reflect registered addons and histograms.
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snapshots = Telemetry.addonHistogramSnapshots;
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do_check_true(addon_id in snapshots)
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do_check_true(extra_addon in snapshots);
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do_check_true(flag_addon in snapshots);
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// Check that we have data for our created histograms.
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do_check_true(name1 in snapshots[addon_id]);
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do_check_true(name2 in snapshots[addon_id]);
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var s1_alt = snapshots[addon_id][name1];
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var s2_alt = snapshots[addon_id][name2];
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do_check_eq(s1_alt.min, s1.min);
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do_check_eq(s1_alt.max, s1.max);
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do_check_eq(s1_alt.histogram_type, s1.histogram_type);
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do_check_eq(s2_alt.min, s2.min);
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do_check_eq(s2_alt.max, s2.max);
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do_check_eq(s2_alt.histogram_type, s2.histogram_type);
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// Even though we've registered it, it shouldn't show up until data is added to it.
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do_check_false(name1 in snapshots[extra_addon]);
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// Flag histograms should show up automagically.
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do_check_true(flag_histogram in snapshots[flag_addon]);
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do_check_false(name2 in snapshots[flag_addon]);
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// Check that we can remove addon histograms.
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Telemetry.unregisterAddonHistograms(addon_id);
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snapshots = Telemetry.addonHistogramSnapshots;
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do_check_false(addon_id in snapshots);
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// Make sure other addons are unaffected.
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do_check_true(extra_addon in snapshots);
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}
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// Check that telemetry doesn't record in private mode
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function test_privateMode() {
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var h = Telemetry.newHistogram("test::private_mode_boolean", "never", 1,2,3, Telemetry.HISTOGRAM_BOOLEAN);
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var orig = h.snapshot();
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Telemetry.canRecord = false;
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h.add(1);
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do_check_eq(uneval(orig), uneval(h.snapshot()));
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Telemetry.canRecord = true;
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h.add(1);
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do_check_neq(uneval(orig), uneval(h.snapshot()));
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}
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// Check that histograms that aren't flagged as needing extended stats
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// don't record extended stats.
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function test_extended_stats() {
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var h = Telemetry.getHistogramById("GRADIENT_DURATION");
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var s = h.snapshot();
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do_check_eq(s.sum, 0);
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do_check_eq(s.log_sum, 0);
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do_check_eq(s.log_sum_squares, 0);
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h.add(1);
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s = h.snapshot();
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do_check_eq(s.sum, 1);
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do_check_eq(s.log_sum, 0);
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do_check_eq(s.log_sum_squares, 0);
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}
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function generateUUID() {
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let str = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator).generateUUID().toString();
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// strip {}
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return str.substring(1, str.length - 1);
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}
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function run_test()
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{
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let kinds = [Telemetry.HISTOGRAM_EXPONENTIAL, Telemetry.HISTOGRAM_LINEAR]
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for each (let histogram_type in kinds) {
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let [min, max, bucket_count] = [1, INT_MAX - 1, 10]
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test_histogram(histogram_type, "test::"+histogram_type, min, max, bucket_count);
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const nh = Telemetry.newHistogram;
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expect_fail(function () nh("test::min", "never", 0, max, bucket_count, histogram_type));
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expect_fail(function () nh("test::bucket_count", "never", min, max, 1, histogram_type));
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}
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// Instantiate the storage for this histogram and make sure it doesn't
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// get reflected into JS, as it has no interesting data in it.
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let h = Telemetry.getHistogramById("NEWTAB_PAGE_PINNED_SITES_COUNT");
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do_check_false("NEWTAB_PAGE_PINNED_SITES_COUNT" in Telemetry.histogramSnapshots);
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test_boolean_histogram();
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test_getHistogramById();
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test_histogramFrom();
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test_getSlowSQL();
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test_privateMode();
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test_addons();
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test_extended_stats();
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test_expired_histogram();
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}
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