startProfTimer :: IO () Source

Start attributing ticks to cost centres. This is called by the RTS on startup but can be disabled using the rts flag --no-automatic-time-samples.

Since: base-4.7.0.0

stopProfTimer :: IO () Source

Stop attributing ticks to cost centres. Allocations will still be attributed.

Since: base-4.7.0.0

startHeapProfTimer :: IO () Source

Start heap profiling. This is called normally by the RTS on start-up, but can be disabled using the rts flag --no-automatic-heap-samples.

Note: This won't do anything unless you also specify a profiling mode on the command line using the normal RTS options.

Since: base-4.16.0.0

stopHeapProfTimer :: IO () Source

Stop heap profiling.

Note: This won't do anything unless you also specify a profiling mode on the command line using the normal RTS options.

Since: base-4.16.0.0

requestHeapCensus :: IO () Source

Request a heap census on the next context switch. The census can be requested whether or not the heap profiling timer is running.

Note: This won't do anything unless you also specify a profiling mode on the command line using the normal RTS options.

Since: base-4.16.0.0