v8/test/mjsunit/tools/tickprocessor-test.separate-bytecodes
Camillo Bruni 615255dd4e [tools] Profiler builtins and sparkplug fixes
- Add filter to skip baseline handlers
- Make profiler types more readable
- Refactor tickprocessor test to use serialized symbols
- Add large tickprocessor stress test with a complete V8 log

Change-Id: Icc09c2eb8ea63c1805d793d2d47f79b0d5080b5b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784686
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74094}
2021-04-21 11:44:31 +00:00

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Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
[Shared libraries]:
ticks total nonlib name
3 23.1% /lib32/libm-2.7.so
1 7.7% ffffe000-fffff000
[JavaScript]:
ticks total nonlib name
[C++]:
ticks total nonlib name
2 15.4% 22.2% v8::internal::Runtime_Math_exp(v8::internal::Arguments)
1 7.7% 11.1% v8::internal::JSObject::LookupOwnRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
1 7.7% 11.1% v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry(v8::internal::String*)
1 7.7% 11.1% exp
[Summary]:
ticks total nonlib name
0 0.0% 0.0% JavaScript
5 38.5% 55.6% C++
0 0.0% 0.0% GC
4 30.8% Shared libraries
2 15.4% Unaccounted
[C++ entry points]:
ticks cpp total name
2 40.0% 15.4% v8::internal::Runtime_Math_exp(v8::internal::Arguments)
1 20.0% 7.7% v8::internal::JSObject::LookupOwnRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
1 20.0% 7.7% v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry(v8::internal::String*)
1 20.0% 7.7% exp
[Bottom up (heavy) profile]:
Note: percentage shows a share of a particular caller in the total
amount of its parent calls.
Callers occupying less than 1.0% are not shown.
ticks parent name
3 23.1% /lib32/libm-2.7.so
3 100.0% LazyCompile: exp native math.js:41
3 100.0% Script: exp.js
2 15.4% v8::internal::Runtime_Math_exp(v8::internal::Arguments)
2 100.0% LazyCompile: exp native math.js:41
2 100.0% Script: exp.js
2 15.4% UNKNOWN
1 50.0% LazyCompile: exp native math.js:41
1 100.0% Script: exp.js
1 7.7% v8::internal::JSObject::LookupOwnRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
1 100.0% Script: exp.js
1 7.7% v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry(v8::internal::String*)
1 100.0% Script: exp.js
1 7.7% ffffe000-fffff000
1 7.7% exp
1 100.0% LazyCompile: exp native math.js:41
1 100.0% Script: exp.js