[Xen-changelog] [xen staging] tools/misc/xenpm: fix getting info when some CPUs are offline

[patchbot@xxxxxxx]

commit ffb60a58df48419c1f2607cd3cc919fa2bfc9c2d
Author:     Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
AuthorDate: Wed Oct 31 14:04:58 2018 +0100
Commit:     Wei Liu <wei.liu2@xxxxxxxxxx>
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 <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 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#staging

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