Skip site navigation (1)Skip section navigation (2) 
Date:      Fri, 25 Sep 2015 09:55:52 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r288214 - head/sys/cam/ctl
Message-ID:  <201509250955.t8P9tqNG059986@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help 
Author: mav
Date: Fri Sep 25 09:55:51 2015
New Revision: 288214
URL: https://svnweb.freebsd.org/changeset/base/288214

Log:
  Collect DMA statistics on secondary HA node.

Modified:
  head/sys/cam/ctl/ctl.c

Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c	Fri Sep 25 09:14:29 2015	(r288213)
+++ head/sys/cam/ctl/ctl.c	Fri Sep 25 09:55:51 2015	(r288214)
@@ -1365,6 +1365,9 @@ ctl_isc_event_handler(ctl_ha_channel cha
 				io->io_hdr.status = msg->hdr.status;
 
 			if (msg->dt.sg_sequence == 0) {
+#ifdef CTL_TIME_IO
+				getbintime(&io->io_hdr.dma_start_bt);
+#endif
 				i = msg->dt.kern_sg_entries +
 				    msg->dt.kern_data_len /
 				    CTL_HA_DATAMOVE_SEGMENT + 1;
@@ -12622,9 +12625,11 @@ static void
 ctl_send_datamove_done(union ctl_io *io, int have_lock)
 {
 	union ctl_ha_msg msg;
+#ifdef CTL_TIME_IO
+	struct bintime cur_bt;
+#endif
 
 	memset(&msg, 0, sizeof(msg));
-
 	msg.hdr.msg_type = CTL_MSG_DATAMOVE_DONE;
 	msg.hdr.original_sc = io;
 	msg.hdr.serializing_sc = io->io_hdr.serializing_sc;
@@ -12640,15 +12645,20 @@ ctl_send_datamove_done(union ctl_io *io,
 	msg.scsi.fetd_status = io->io_hdr.port_status;
 	msg.scsi.residual = io->scsiio.residual;
 	io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
-
 	if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
 		ctl_failover_io(io, /*have_lock*/ have_lock);
 		return;
 	}
-
 	ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
 	    sizeof(msg.scsi) - sizeof(msg.scsi.sense_data) +
 	    msg.scsi.sense_len, M_WAITOK);
+
+#ifdef CTL_TIME_IO
+	getbintime(&cur_bt);
+	bintime_sub(&cur_bt, &io->io_hdr.dma_start_bt);
+	bintime_add(&io->io_hdr.dma_bt, &cur_bt);
+	io->io_hdr.num_dmas++;
+#endif
 }
 
 /*

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201509250955.t8P9tqNG059986>