Tiptop in a sentence as a noun

So perhaps you could use 'tiptop' to get a general view of what might be slow, and then drill down using 'perf top'.

Tiptop definitions

noun

the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession"

noun

the extreme top or summit

adjective

of the highest quality; "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"

See also: A-one crack first-rate super topnotch top-notch