PR #20752 8342818: Implement CPU Time Profiling for JFR

Copy JFR sampler

parttimenerd committed 118 days ago

Unfinished CPU-time sampler

parttimenerd committed 118 days ago

Slight improvements

parttimenerd committed 118 days ago

Merge events

parttimenerd committed 118 days ago

WIP: merge events and fix bugs

parttimenerd committed 118 days ago

WIP: sampling starts working

parttimenerd committed 118 days ago

Add missing files

parttimenerd committed 118 days ago

Fix some issues

parttimenerd committed 118 days ago

Remove thread array

parttimenerd committed 118 days ago

WIP

parttimenerd committed 118 days ago

Make crash protected code smaller

parttimenerd committed 118 days ago

Log how many times queue is full

parttimenerd committed 118 days ago

Improve

parttimenerd committed 118 days ago

Fix bugs

parttimenerd committed 118 days ago

More fixes

parttimenerd committed 118 days ago

Add event for full queue

parttimenerd committed 118 days ago

Remove some sampled thread states to prevent seg faults

parttimenerd committed 118 days ago

Small change

parttimenerd committed 118 days ago

Add jfr view application.cpu-time-failed-samples

parttimenerd committed 118 days ago

Disable CPUTimeSampler by default

parttimenerd committed 118 days ago

Don't walk in _thread_in_vm state

parttimenerd committed 118 days ago

Try to fix thread crash issues

parttimenerd committed 118 days ago

Add cpu-time-overflowed-samples view

parttimenerd committed 118 days ago

Remove unused method

parttimenerd committed 118 days ago

Fix bugs

parttimenerd committed 118 days ago

Record "thread in deopt" as failed trace

parttimenerd committed 118 days ago

Configure queue size factor via env variable for testing

parttimenerd committed 118 days ago

Record thread obtain failure as failed event

parttimenerd committed 118 days ago

Make it compile on mac os

parttimenerd committed 118 days ago

First try of a proper lock-less queue

parttimenerd committed 118 days ago

First try of a proper lock-less queue

parttimenerd committed 118 days ago

cpu-time-failed-samples-no-threads

parttimenerd committed 118 days ago

Add failing

parttimenerd committed 118 days ago

Add failing

parttimenerd committed 118 days ago

Fix bug

parttimenerd committed 118 days ago

Walk in more states but not while in stw

parttimenerd committed 118 days ago

Clean up

parttimenerd committed 118 days ago

Remove unused and not required code

parttimenerd committed 118 days ago

Reset stacktraces from samples without threads

parttimenerd committed 118 days ago

Only record samples with a valid thread id

parttimenerd committed 118 days ago

Tiny fix

parttimenerd committed 118 days ago

Tiny build fix

parttimenerd committed 118 days ago

Tiny build fix

parttimenerd committed 118 days ago

Clean up includes

parttimenerd committed 118 days ago

Readd include of osThread.hpp

parttimenerd committed 118 days ago

Small reordering

parttimenerd committed 118 days ago

Improve sampler

parttimenerd committed 118 days ago

Improve CPU time sampler

parttimenerd committed 118 days ago

Use enum for internal error codes

parttimenerd committed 118 days ago

Tiny fix

parttimenerd committed 118 days ago

Remove CPUTimeExecutionSample#state

parttimenerd committed 118 days ago

Clamp queue size

parttimenerd committed 118 days ago

Clamp queue size

parttimenerd committed 118 days ago

Replace perror with JVM logging

parttimenerd committed 118 days ago

Reset state at disroll

parttimenerd committed 118 days ago

Yield after processing nothing

parttimenerd committed 118 days ago

Fix main sampler loop

parttimenerd committed 118 days ago

Tiny fixes

parttimenerd committed 118 days ago

Test multiple recordings in same JVM process

parttimenerd committed 118 days ago

Improve max queue size computation

parttimenerd committed 118 days ago

Guard crash protection with lock

parttimenerd committed 118 days ago

Fix is_empty

parttimenerd committed 118 days ago

Implement queue more conservative

parttimenerd committed 118 days ago

Add Jaroslav's fix

parttimenerd committed 118 days ago

Queue head/tail unpacking cleanup

parttimenerd committed 118 days ago

Refactor head/tail retrieval

parttimenerd committed 118 days ago

Avoid mutex assertion failure

parttimenerd committed 118 days ago

Reimplemented concurrent queue for Jfr traces

parttimenerd committed 118 days ago

Get rid of JfrThreadCrashProtection_lock

parttimenerd committed 118 days ago

Fix walkable assertion

parttimenerd committed 118 days ago

Remove walkable assertion and add comment

parttimenerd committed 118 days ago

Fix event names and make experimental

parttimenerd committed 115 days ago

Remove trailing whitespace

parttimenerd committed 112 days ago

Rename 'CPUTimeExecutionSampleThrottles' event to 'CPUTimeExecutionSampleLoss'

jbachorik committed 109 days ago

Rename 'dropped' samples to 'lost' samples

jbachorik committed 106 days ago

Reorg vrame imports

jbachorik committed 105 days ago

Add include for 'timer_t' type

jbachorik committed 105 days ago

Adjust wording in lost samples event description

jbachorik committed 105 days ago

Update view.ini

jbachorik committed 105 days ago

Fix CI build issue

parttimenerd committed 103 days ago

Simplify enqueue_buffer handling

parttimenerd committed 103 days ago

Remove manuall enqueue_buffer handling

parttimenerd committed 103 days ago

Fix view name

parttimenerd committed 103 days ago

Improve view description

parttimenerd committed 103 days ago

Small stuff

parttimenerd committed 103 days ago

Small stuff

parttimenerd committed 103 days ago

Rename event

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Split up TestFullStackTrace

parttimenerd committed 103 days ago

Remove atomic store

parttimenerd committed 103 days ago

Use JFR thread hooks

parttimenerd committed 103 days ago

Remove newline change

parttimenerd committed 103 days ago

Tiny refactorings

parttimenerd committed 103 days ago

Revert "Remove manuall enqueue_buffer handling"

parttimenerd committed 103 days ago

Don't check for enqueue buffer fullness level too often

parttimenerd committed 102 days ago

Modify event label

parttimenerd committed 94 days ago

Ensure CPU time tests only run on Linux

parttimenerd committed 92 days ago

Remove printfs

parttimenerd committed 92 days ago

Add failed property to CPUTimeSample

parttimenerd committed 92 days ago

Add maxRate property

parttimenerd committed 92 days ago

Fix compilation error on non-linux systems

parttimenerd committed 91 days ago

jdk 8342818: Implement CPU Time Profiling for JFR #20752 Open

jdk
8342818: Implement CPU Time Profiling for JFR
#20752

Open