The Return of the Frame Pointers
Brendan Gregg
MARCH 16, 2024
To explain this example in more detail: The profiler periodically interrupts software execution, and for those disconnected stacks it happens to be the execution of the kernel software ("vfs*", "ext*", etc.). Apart from library code, maybe your application doesn't have frame pointers either, in which case everything is broken.
Let's personalize your content