Discussion:
[Xen-changelog] [xen master] tools/misc/xenpm: fix getting info when some CPUs are offline
p***@xen.org
2018-11-04 05:07:38 UTC
Permalink
commit ffb60a58df48419c1f2607cd3cc919fa2bfc9c2d
Author: Marek Marczykowski-Górecki <***@invisiblethingslab.com>
AuthorDate: Wed Oct 31 14:04:58 2018 +0100
Commit: Wei Liu <***@citrix.com>
CommitDate: Thu Nov 1 10:20:34 2018 +0000

tools/misc/xenpm: fix getting info when some CPUs are offline

Use physinfo.max_cpu_id instead of physinfo.nr_cpus to get max CPU id.
This fixes for example 'xenpm get-cpufreq-para' with smt=off, which
otherwise would miss half of the cores.

Signed-off-by: Marek Marczykowski-Górecki <***@invisiblethingslab.com>
Acked-by: Wei Liu <***@citrix.com>
---
tools/misc/xenpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/misc/xenpm.c b/tools/misc/xenpm.c
index 86c12ea5fb..65aa4c9d42 100644
--- a/tools/misc/xenpm.c
+++ b/tools/misc/xenpm.c
@@ -1231,7 +1231,7 @@ int main(int argc, char *argv[])
xc_interface_close(xc_handle);
return ret;
}
- max_cpu_nr = physinfo.nr_cpus;
+ max_cpu_nr = physinfo.max_cpu_id + 1;

/* calculate how many options match with user's input */
for ( i = 0; i < ARRAY_SIZE(main_options); i++ )
--
generated by git-patchbot for /home/xen/git/xen.git#master

Loading...