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@invisiblethingslab.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
(cherry picked from commit ffb60a58df48419c1f2607cd3cc919fa2bfc9c2d)
(cherry picked from commit 5c6be595b1bc5d4216fb8fd54f9ed7a0a8ce076e)

diff --git a/tools/misc/xenpm.c b/tools/misc/xenpm.c
index 762311e5a5639f50300a2d3f7dcbc58804492c89..6131e280bda84ecc9c1378debc5d4a5dfabe19b8 100644 (file)
--- a/tools/misc/xenpm.c
+++ b/tools/misc/xenpm.c
@@ -1217,7 +1217,7 @@ 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++ )