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Bdev: add the ZCopy operation for IO stats

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To track the ZCopy IO stats like IOs and Bytes read and written.

Change-Id: Iab2c4d8397aee5d746db9491bd4e8ac4eea69529
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/539
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
GangCao 2020-01-18 00:49:07 -05:00 committed by Tomasz Zawadzki
parent f6e682af75
commit 9e33ad7562
1 changed files with 37 additions and 0 deletions
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37
lib/bdev/bdev.c
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@ -1474,6 +1474,12 @@ bdev_qos_io_to_limit(struct spdk_bdev_io *bdev_io)
case SPDK_BDEV_IO_TYPE_READ:
case SPDK_BDEV_IO_TYPE_WRITE:
return true;
case SPDK_BDEV_IO_TYPE_ZCOPY:
if (bdev_io->u.bdev.zcopy.start) {
return true;
} else {
return false;
}
default:
return false;
}
@ -1493,6 +1499,13 @@ bdev_is_read_io(struct spdk_bdev_io *bdev_io)
}
case SPDK_BDEV_IO_TYPE_READ:
return true;
case SPDK_BDEV_IO_TYPE_ZCOPY:
/* Populate to read from disk */
if (bdev_io->u.bdev.zcopy.populate) {
return true;
} else {
return false;
}
default:
return false;
}
@ -1510,6 +1523,13 @@ bdev_get_io_size_in_byte(struct spdk_bdev_io *bdev_io)
case SPDK_BDEV_IO_TYPE_READ:
case SPDK_BDEV_IO_TYPE_WRITE:
return bdev_io->u.bdev.num_blocks * bdev->blocklen;
case SPDK_BDEV_IO_TYPE_ZCOPY:
/* Track the data in the start phase only */
if (bdev_io->u.bdev.zcopy.start) {
return bdev_io->u.bdev.num_blocks * bdev->blocklen;
} else {
return 0;
}
default:
return 0;
}
@ -4481,6 +4501,23 @@ bdev_io_complete(void *ctx)
bdev_io->internal.ch->stat.bytes_unmapped += bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen;
bdev_io->internal.ch->stat.num_unmap_ops++;
bdev_io->internal.ch->stat.unmap_latency_ticks += tsc_diff;
break;
case SPDK_BDEV_IO_TYPE_ZCOPY:
/* Track the data in the start phase only */
if (bdev_io->u.bdev.zcopy.start) {
if (bdev_io->u.bdev.zcopy.populate) {
bdev_io->internal.ch->stat.bytes_read +=
bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen;
bdev_io->internal.ch->stat.num_read_ops++;
bdev_io->internal.ch->stat.read_latency_ticks += tsc_diff;
} else {
bdev_io->internal.ch->stat.bytes_written +=
bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen;
bdev_io->internal.ch->stat.num_write_ops++;
bdev_io->internal.ch->stat.write_latency_ticks += tsc_diff;
}
}
break;
default:
break;
}