From 8a0fc18d884b2930c0ebc66dd7e711d1e5d566c0 Mon Sep 17 00:00:00 2001 From: Alberto Garcia Date: Thu, 18 Feb 2016 12:27:02 +0200 Subject: [PATCH] throttle: Add command-line settings to define the burst periods This patch adds all the throttling.*-max-length command-line parameters to define the length of the burst periods. Signed-off-by: Alberto Garcia Reviewed-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- blockdev.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/blockdev.c b/blockdev.c index e01486e896..4fde17ff07 100644 --- a/blockdev.c +++ b/blockdev.c @@ -414,6 +414,19 @@ static void extract_common_blockdev_options(QemuOpts *opts, int *bdrv_flags, throttle_cfg->buckets[THROTTLE_OPS_WRITE].max = qemu_opt_get_number(opts, "throttling.iops-write-max", 0); + throttle_cfg->buckets[THROTTLE_BPS_TOTAL].burst_length = + qemu_opt_get_number(opts, "throttling.bps-total-max-length", 1); + throttle_cfg->buckets[THROTTLE_BPS_READ].burst_length = + qemu_opt_get_number(opts, "throttling.bps-read-max-length", 1); + throttle_cfg->buckets[THROTTLE_BPS_WRITE].burst_length = + qemu_opt_get_number(opts, "throttling.bps-write-max-length", 1); + throttle_cfg->buckets[THROTTLE_OPS_TOTAL].burst_length = + qemu_opt_get_number(opts, "throttling.iops-total-max-length", 1); + throttle_cfg->buckets[THROTTLE_OPS_READ].burst_length = + qemu_opt_get_number(opts, "throttling.iops-read-max-length", 1); + throttle_cfg->buckets[THROTTLE_OPS_WRITE].burst_length = + qemu_opt_get_number(opts, "throttling.iops-write-max-length", 1); + throttle_cfg->op_size = qemu_opt_get_number(opts, "throttling.iops-size", 0); @@ -4071,6 +4084,30 @@ QemuOptsList qemu_common_drive_opts = { .name = "throttling.bps-write-max", .type = QEMU_OPT_NUMBER, .help = "total bytes write burst", + },{ + .name = "throttling.iops-total-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the iops-total-max burst period, in seconds", + },{ + .name = "throttling.iops-read-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the iops-read-max burst period, in seconds", + },{ + .name = "throttling.iops-write-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the iops-write-max burst period, in seconds", + },{ + .name = "throttling.bps-total-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the bps-total-max burst period, in seconds", + },{ + .name = "throttling.bps-read-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the bps-read-max burst period, in seconds", + },{ + .name = "throttling.bps-write-max-length", + .type = QEMU_OPT_NUMBER, + .help = "length of the bps-write-max burst period, in seconds", },{ .name = "throttling.iops-size", .type = QEMU_OPT_NUMBER,