Commit a5ad0f80 authored May 17, 2021 by Tomasz Zawadzki

lib/event: update reactor tsc_last going poll mode



Disabling interrupt mode on reactor now updates the tsc_last
to current time. So any further tsc caulations will not account
for the time when reactor was in interrupt mode.

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I56fb8a738eea60ee5de3b49d586f7cb228b54510
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7901


Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot

parent 7438c388

lib/event/reactor.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -363,6 +363,9 @@ _reactor_set_notify_cpuset_cpl(void arg1, void arg2)
		struct spdk_reactor *target = arg1;

		if (target->new_in_interrupt == false) {
		/* Reactor is no longer in interrupt mode. Refresh the tsc_last to accurately
		* track reactor stats. */
		target->tsc_last = spdk_get_ticks();
		target->set_interrupt_mode_in_progress = false;
		spdk_thread_send_msg(_spdk_get_app_thread(), target->set_interrupt_mode_cb_fn,
		target->set_interrupt_mode_cb_arg);