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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/profiler/pc-count-profiler.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/profiler/pc-count-profiler.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/profiler/pc-count-profiler.js b/js/src/jit-test/tests/profiler/pc-count-profiler.js new file mode 100644 index 0000000000..235055af3b --- /dev/null +++ b/js/src/jit-test/tests/profiler/pc-count-profiler.js @@ -0,0 +1,53 @@ +// Smoke test for the PC count profiler. + +function f(x) { + if (x < 10) + return 0; + if (x < 50) + return 1; + return 2; +} + +L: try { + // Profile the test function "f". + pccount.start(); + for (var i = 0; i < 100; ++i) f(i); + pccount.stop(); + + // Count the profiled scripts, stop if no scripts were profiled. + var n = pccount.count(); + if (n === 0) + break L; + + // Find the script index for "f". + var scriptIndex = -1; + for (var i = 0; i < n; ++i) { + var summary = JSON.parse(pccount.summary(i)); + if (summary.name === "f") + scriptIndex = i; + } + + // Stop if the script index for "f" wasn't found. + if (scriptIndex < 0) + break L; + + // Retrieve the profiler data for "f". + var contents = pccount.contents(scriptIndex); + assertEq(typeof contents, "string"); + + // The profiler data should be parsable as JSON text. + var contents = JSON.parse(contents, (name, value) => { + // Split the Ion code segments into multiple entries. + if (name === "code") + return value.split("\n"); + + return value; + }); + + // Pretty print the profiler data. + var pretty = JSON.stringify(contents, null, 1); + print(pretty); +} finally { + // Clean-up. + pccount.purge(); +} |