The following pull request was submitted through Github. It can be accessed and reviewed at: https://github.com/lxc/lxcfs/pull/402
This e-mail was sent by the LXC bot, direct replies will not reach the author unless they happen to be subscribed to this list. === Description (from pull-request) === To stop the immediate bleeding. Closes #401. Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
From b3c85f5d1af413ffef992b272beb676f95becf19 Mon Sep 17 00:00:00 2001 From: Christian Brauner <christian.brau...@ubuntu.com> Date: Tue, 28 Apr 2020 10:35:26 +0200 Subject: [PATCH] sysfs: cpuinfo: show cgroup cpuset value To stop the immediate bleeding. Closes #401. Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com> --- src/sysfs_fuse.c | 14 +++++++++----- tests/test_proc | 3 +++ 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/src/sysfs_fuse.c b/src/sysfs_fuse.c index 5bdb2ce..06073c4 100644 --- a/src/sysfs_fuse.c +++ b/src/sysfs_fuse.c @@ -96,12 +96,16 @@ static int sys_devices_system_cpu_online_read(char *buf, size_t size, if (use_view) max_cpus = max_cpu_count(cg); - if (max_cpus == 0) + if (use_view) { + if (max_cpus > 1) + total_len = snprintf(d->buf, d->buflen, "0-%d\n", max_cpus - 1); + else + total_len = snprintf(d->buf, d->buflen, "0\n"); + } else if (cpuset) { + total_len = snprintf(d->buf, d->buflen, "%s\n", cpuset); + } else { return read_file_fuse("/sys/devices/system/cpu/online", buf, size, d); - if (max_cpus > 1) - total_len = snprintf(d->buf, d->buflen, "0-%d\n", max_cpus - 1); - else - total_len = snprintf(d->buf, d->buflen, "0\n"); + } if (total_len < 0 || total_len >= d->buflen) return log_error(0, "Failed to write to cache"); diff --git a/tests/test_proc b/tests/test_proc index fbb38d4..9e16878 100755 --- a/tests/test_proc +++ b/tests/test_proc @@ -49,6 +49,9 @@ echo "==> Testing /proc/cpuinfo" [ "$(grep "^processor" ${LXCFSDIR}/proc/cpuinfo | wc -l)" = "1" ] grep -q "^processor.*0$" ${LXCFSDIR}/proc/cpuinfo || grep -q "^processor 0:.*" ${LXCFSDIR}/proc/cpuinfo +echo "==> Testing /sys/devices/system/cpu/online" +[ "$(cat ${LXCFSDIR}/sys/devices/system/cpu/online)" = "$(cat ${cpupath}/lxcfs_test_proc/cpuset.cpus)" ] + # Test stat echo "==> Testing /proc/stat" [ "$(grep "^cpu" ${LXCFSDIR}/proc/stat | wc -l)" = "2" ]
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