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ci: Increase limit of concurrent crosvm instances per runner

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Ensure we can handle up to 128 concurrent crosvm instances per runner
with the current CID generator. This is a safety margin for the new
64-core runners.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15238>
This commit is contained in:
Cristian Ciocaltea 2022-02-28 21:26:31 +02:00
parent 8346983775
commit 1f0a0839eb
1 changed files with 5 additions and 4 deletions
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9
.gitlab-ci/crosvm-runner.sh
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@ -8,8 +8,8 @@ set -e
# #
# A CID is a 32-bit Context Identifier to be assigned to a crosvm instance # A CID is a 32-bit Context Identifier to be assigned to a crosvm instance
# and must be unique across the host system. For this purpose, let's take # and must be unique across the host system. For this purpose, let's take
# the least significant 26 bits from CI_JOB_ID as a base and generate a 6-bit # the least significant 25 bits from CI_JOB_ID as a base and generate a 7-bit
# prefix number to handle up to 64 concurrent crosvm instances per job runner. # prefix number to handle up to 128 concurrent crosvm instances per job runner.
# #
# As a result, the following variables are set: # As a result, the following variables are set:
# - VSOCK_CID: the crosvm unique CID to be passed as a run argument # - VSOCK_CID: the crosvm unique CID to be passed as a run argument
@ -30,7 +30,7 @@ set_vsock_context() {
local cid_prefix=0 local cid_prefix=0
unset VSOCK_TEMP_DIR unset VSOCK_TEMP_DIR
while [ ${cid_prefix} -lt 64 ]; do while [ ${cid_prefix} -lt 128 ]; do
VSOCK_TEMP_DIR=${dir_prefix}${cid_prefix} VSOCK_TEMP_DIR=${dir_prefix}${cid_prefix}
mkdir "${VSOCK_TEMP_DIR}" >/dev/null 2>&1 && break || unset VSOCK_TEMP_DIR mkdir "${VSOCK_TEMP_DIR}" >/dev/null 2>&1 && break || unset VSOCK_TEMP_DIR
cid_prefix=$((cid_prefix + 1)) cid_prefix=$((cid_prefix + 1))
@ -38,9 +38,10 @@ set_vsock_context() {
[ -n "${VSOCK_TEMP_DIR}" ] || return 1 [ -n "${VSOCK_TEMP_DIR}" ] || return 1
VSOCK_CID=$(((CI_JOB_ID & 0x3ffffff) | ((cid_prefix & 0x3f) << 26))) VSOCK_CID=$(((CI_JOB_ID & 0x1ffffff) | ((cid_prefix & 0x7f) << 25)))
VSOCK_STDOUT=5001 VSOCK_STDOUT=5001
VSOCK_STDERR=5002 VSOCK_STDERR=5002
return 0 return 0
} }