From b661434202672f920291bf5685b68772103c66cb Mon Sep 17 00:00:00 2001 From: Aleksandr Razumov Date: Tue, 17 Dec 2019 13:06:42 +0300 Subject: Add minimum CPU number and only lower CPUs on --cpu-num-from-quota * Add `--cpu-num-min` flag to control minimum CPUs * Only lower CPU count * Fix comments --- runsc/boot/config.go | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'runsc/boot') diff --git a/runsc/boot/config.go b/runsc/boot/config.go index 7841d1a7a..d9f5b67c0 100644 --- a/runsc/boot/config.go +++ b/runsc/boot/config.go @@ -254,8 +254,14 @@ type Config struct { // CPUNumFromQuota sets CPU number count to available CPU quota, using // least integer value greater than or equal to quota. // - // E.g. 0.2 CPU quota would result in 1, and 1.9 in 2. + // E.g. 0.2 CPU quota will result in 1, and 1.9 in 2. CPUNumFromQuota bool + + // CPUNumMin is minimum value of CPU number setting when CPUNumFromQuota + // strategy is active. + // + // E.g. when CPUNumMin is 2, 0.2 CPU quota will result in 2 instead of 1. + CPUNumMin int } // ToFlags returns a slice of flags that correspond to the given Config. @@ -289,7 +295,9 @@ func (c *Config) ToFlags() []string { "--overlayfs-stale-read=" + strconv.FormatBool(c.OverlayfsStaleRead), } if c.CPUNumFromQuota { - f = append(f, "--cpu-num-from-quota") + f = append(f, "--cpu-num-from-quota", + "--cpu-num-min="+strconv.Itoa(c.CPUNumMin), + ) } // Only include these if set since it is never to be used by users. if c.TestOnlyAllowRunAsCurrentUserWithoutChroot { -- cgit v1.2.3