[xen staging] x86/perfc: conditionalize HVM and shadow counters

[patchbot@xxxxxxx]

commit fa2f4c39c48f975ae1b87247fa2f71673e2838ca
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Dec 21 10:38:18 2021 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Dec 21 10:38:18 2021 +0100

    x86/perfc: conditionalize HVM and shadow counters
    
    There's no point including them when the respective functionality isn't
    enabled in the build. Note that this covers only larger groups; more
    fine grained exclusion may want to be done later on.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/perfc_defn.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xen/arch/x86/include/asm/perfc_defn.h 
b/xen/arch/x86/include/asm/perfc_defn.h
index 1a9ea3f89e..a98df515d9 100644
--- a/xen/arch/x86/include/asm/perfc_defn.h
+++ b/xen/arch/x86/include/asm/perfc_defn.h
@@ -4,6 +4,8 @@
 
 PERFCOUNTER_ARRAY(exceptions,           "exceptions", 32)
 
+#ifdef CONFIG_HVM
+
 #define VMX_PERF_EXIT_REASON_SIZE 56
 #define VMX_PERF_VECTOR_SIZE 0x20
 PERFCOUNTER_ARRAY(vmexits,              "vmexits", VMX_PERF_EXIT_REASON_SIZE)
@@ -13,6 +15,8 @@ PERFCOUNTER_ARRAY(cause_vector,         "cause vector", 
VMX_PERF_VECTOR_SIZE)
 #define SVM_PERF_EXIT_REASON_SIZE (1+141)
 PERFCOUNTER_ARRAY(svmexits,             "SVMexits", SVM_PERF_EXIT_REASON_SIZE)
 
+#endif /* CONFIG_HVM */
+
 PERFCOUNTER(seg_fixups,             "segmentation fixups")
 
 PERFCOUNTER(apic_timer,             "apic timer interrupts")
@@ -37,6 +41,8 @@ PERFCOUNTER(exception_fixed,        "pre-exception fixed")
 PERFCOUNTER(guest_walk,            "guest pagetable walks")
 
 /* Shadow counters */
+#ifdef CONFIG_SHADOW_PAGING
+
 PERFCOUNTER(shadow_alloc,          "calls to shadow_alloc")
 PERFCOUNTER(shadow_alloc_tlbflush, "shadow_alloc flushed TLBs")
 
@@ -112,6 +118,8 @@ PERFCOUNTER(shadow_unsync,         "shadow OOS unsyncs")
 PERFCOUNTER(shadow_unsync_evict,   "shadow OOS evictions")
 PERFCOUNTER(shadow_resync,         "shadow OOS resyncs")
 
+#endif /* CONFIG_SHADOW_PAGING */
+
 PERFCOUNTER(realmode_emulations, "realmode instructions emulated")
 PERFCOUNTER(realmode_exits,      "vmexits from realmode")
 
--
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