With these we can write a simple bpftrace script to identify work being done,
and in particular what woke us up from sleeping.
Signed-off-by: John Levon <john.levon@nutanix.com>
Change-Id: I8997d847625ee4558092dbd753e6fc1b17beca92
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9424
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
