why envoy cost too much RssAnon but fewer Rssfile in qilin arm?

[huanghuangzym]

we run istio proxy in x86 and qilin v10 arm
the rss cost too much difference

[root@calico3-master pprof]# cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

[root@calico3-master pprof]# uname -a
Linux calico3-master 3.10.0-1160.83.1.el7.x86_64 #1 SMP Wed Jan 25 16:41:43 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

[root@asm-hl-s2763-578f kubepods-burstable-pod54db4c99_41d2_42d3_87b5_78b7a9f27d4b.slice:cri-containerd:0d0a13c087520511b46fad8fcaa384baf7aba1854fbf758176eb1c21b717ec7a]# cat /etc/os-release
NAME="Kylin Linux Advanced Server"
VERSION="V10 (Sword)"
ID="kylin"
VERSION_ID="V10"
PRETTY_NAME="Kylin Linux Advanced Server V10 (Sword)"
ANSI_COLOR="0;31"

containerd:0d0a13c087520511b46fad8fcaa384baf7aba1854fbf758176eb1c21b717ec7a]# uname -a
Linux asm-hl-s2763-578f 4.19.90-24.4.v2101.ky10.aarch64 #1 SMP Mon May 24 14:45:37 CST 2021 aarch64 aarch64 aarch64 GNU/Linux

[huanghuangzym]

@wbpcode @lizan can help?

[huanghuangzym]

istio version 1.18.2

[github-actions]

This issue has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in the next 7 days unless it is tagged "help wanted" or "no stalebot" or other activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted" or "no stalebot". Thank you for your contributions.